The 10 Best 68RFE Torque Converters for Maximum Performance in 2025
If you want maximum performance for your Dodge Cummins with a 68RFE transmission in 2025, look for torque converters like the 68RFE-46-3D or the 2,200 Stall Triple Disk Billet version. Focus on durability, stall speed, and lockup clutch design for towing and acceleration. Options like the TO-656 and SC-23618C1-20 offer reliability and OEM fitment. Choosing the right weight and material will optimize power and efficiency. Keep exploring to discover which model suits your needs best.
Key Takeaways
- Choose 68RFE torque converters with stall speeds between 1,900-2,200 RPM for optimal towing and launch performance in 2025.
- Prioritize billet steel or aluminum construction with carbon-graphitic clutch discs for durability and efficient heat dissipation.
- Verify compatibility with Dodge Ram 2500/3500 models (2008-2018) and ensure correct spline count and mounting style.
- Select converters featuring lockup clutch designs to improve power transfer, fuel efficiency, and reduce heat buildup.
- Opt for units backed by comprehensive warranties (1-3 years) and return policies to ensure risk-free purchases.
68RFE-46-3D Torque Converter for Dodge Cummins 68RFE
If you’re driving a Dodge Cummins with a 68RFE transmission and want to boost your truck’s performance, the 68RFE-46-3D torque converter from SunCoast Diesel is a top contender. This triple disk billet torque converter offers a 1,900-2,000 RPM stall speed, ideal for improving launch and towing power. It fits Ram 2500 and 3500 models from 2008 to 2018, making it versatile for many Cummins owners. Weighing 77 pounds and made in the USA, it comes with a core included in the price. Plus, you get a 30-day return policy for peace of mind.
Best For: Dodge Cummins owners with 68RFE transmissions in Ram 2500 and 3500 models (2008-2018) looking to enhance towing and launch performance.
Pros:
- High stall speed (1,900-2,000 RPM) improves launch and towing power.
- Compatible with a wide range of Ram 2500 and 3500 models from 2008 to 2018.
- Includes core in price and backed by a 30-day return policy for customer peace of mind.
Cons:
- Heavy at 77 pounds, which may require careful handling during installation.
- Relatively niche product with a high Best Sellers Rank in Automotive category.
- Limited to vehicles with 68RFE transmissions, not suitable for other transmission types.
CVT Torque Converter 30 Series Mini Bike Clutch with Chain Drive Pulley and Belts
- 【CVT Torque Converter Clutch Kit】: 3/4" CVT Torque Converter is designed to replacement for Comet TAV2 Torq-A-Verters 217610A, 218353A, 219456A, 219552A. You can use it on all engines with 3/4” straight crankshaft, and it can also replace for Comet Manco Go Karts.(Please confirm the product size before purchase)
- 【3 High quality Belts for 6” Driven】: Center to center of driver and driven: 6-15/16 to 7". Length: 27.76”(70.5cm), width:3/4”(1.9cm), outside circumference:27-23/64. At the same time, we also provide two extra belts for spare supplies.
- 【Premium Materials】Engine Compatibility: 3/4"shaft with flat key, 6.5HP(212cc) Horizontal Shaft Gas Engine. It is made of premium iron and aluminum to make sure it can be sturdy, durable, maximum torque, wear-resisting and fast heat dissipation 30-75.
- 【Package Include】:2 sprocket teeth: 10 tooth sprocket for #40 #41 #420 chain and 12 tooth sprocket for #35 chain. Driven unit: overall diameter 6"(5/8" driven pulley), Driver clutch bore: 3/4". 3 belts, Also include aluminum engine mount plate, built in jackshaft with sprocket(Chain not included), full Mounting Hardware Kit. (Note: Most of the parts have been assembled)
- 【Compatible with】Comet torque converter kits are fit for small vehicles, small tractors, riding lawnmowers, go karts, mini choppers, mini bikes, motorcycles, ATV and waterski winches. You can adjusted the engagement range from 1200RPM - Maximum 3100 RPM by changing out springs(not included) and other adjustments. (the engagement range of this kit is approximately 2350±200 RPM)
Choosing the CVT Torque Converter 30 Series means equipping your mini bike or small vehicle with a clutch system built for versatility and durability. It fits 3/4” straight crankshafts, including Comet TAV2 engines and 6.5HP gas engines, making it ideal for mini bikes, go-karts, and more. The package includes sprockets, three high-quality belts, an aluminum mount plate, and mounting hardware. Made from premium iron and aluminum, it offers excellent torque, wear resistance, and heat dissipation. With adjustable engagement from 1200 to 3100 RPM, it enhances performance across various applications while maintaining reliability and ease of installation.
Best For: Enthusiasts and hobbyists seeking a durable and adjustable CVT torque converter for mini bikes, go-karts, and small engines with 3/4” straight crankshafts.
Pros:
- Includes multiple sprockets, high-quality belts, and complete mounting hardware for easy installation.
- Made from premium iron and aluminum, providing excellent torque capacity, wear resistance, and heat dissipation.
- Adjustable engagement RPM range (1200 to 3100 RPM) allows customization for various small vehicle applications.
Cons:
- Springs for engagement adjustment are not included, which may require additional purchase.
- Some users report occasional concerns with hardware quality.
- Chain for the jackshaft sprocket is not included, necessitating a separate purchase.
TO-656 47RE 48RE transmission torque converter for 5.9L diesel
- TO-656 47RE 48RE transmission torque converter for 5.9L diesel
- Mount : 6 pads
- Spline : 23
- 1 Year Limited Warranty
- Please send your vehicle info: Year, Make, Model, Engine Size and Transmission model after purchase using Amazon MESSAGING system.
For anyone running a 5.9L diesel with a 47RE or 48RE transmission, the TO-656 torque converter stands out as a reliable upgrade. Remanufactured to meet or exceed OEM specs, it features a 6-pad mount and 23-spline fitment, ensuring solid compatibility and performance. Made in the USA by BILLETORQUE, this 49-pound unit is painted for durability and backed by a 1-year limited warranty. It’s a practical choice if you want dependable power transfer without hassle. After purchase, you can confirm fitment by providing your vehicle details through Amazon messaging, making sure it’s the right match.
Best For: Owners of 5.9L diesel trucks with 47RE or 48RE transmissions seeking a reliable, remanufactured torque converter built to OEM specifications.
Pros:
- Remanufactured to meet or exceed OEM specs for dependable performance.
- Made in the USA by BILLETORQUE, ensuring quality manufacturing.
- Comes with a 1-year limited warranty and easy fitment confirmation via Amazon messaging.
Cons:
- Relatively heavy at 49 pounds, which might complicate installation.
- Ranked low in overall automotive sales, indicating limited popularity or availability.
- Requires providing vehicle information post-purchase for fitment confirmation, adding a step before installation.
68RFE 2,200 Stall Triple Disk Billet Torque Converter for Dodge Cummins
- Refundable Core Charge Required
- For The 2007-Current 68RFE Equipped 6.7L Cummins
One standout feature of the 68RFE 2,200 Stall Triple Disk Billet Torque Converter is its triple disc design with multiple billet stators, making it an ideal choice for Dodge Cummins owners who demand enhanced performance and durability. SunCoast Diesel’s custom pump and turbine modifications, combined with tig-welded reinforced fins and heat-treated 4140 turbine splines, guarantee long-lasting strength. The forged billet cover and proprietary Raybestos clutch plates provide 3.4 times more lockup clutch surface than stock, delivering superior power transfer. Compatible with 2007-current 6.7L Cummins Ram 2500 and 3500 models, this converter’s precision engineering boosts reliability and performance under tough conditions.
Best For: Dodge Cummins owners with 2007-current 6.7L Ram 2500 and 3500 models seeking enhanced torque converter performance and durability.
Pros:
- Triple disc design with billet stators offers improved stall options and power transfer.
- Durable construction with tig-welded fins, heat-treated 4140 turbine splines, and forged billet cover.
- 3.4 times more lockup clutch surface area than stock for superior reliability and performance.
Cons:
- Requires a refundable core charge, adding to initial purchase cost.
- Limited to 6.7L Cummins engines equipped with the 68RFE transmission, not universal.
- Heavier weight (77 pounds) may require professional installation and handling.
SC-23618C1-20 Torque Converter for Dodge (2,000 Stall, 23 Spline, Triple Disk, Billet)
- Refundable Core Charge Required
- This Category 1 SunCoast Torque Converter Fits Both 47 And 48RE Transmissions
If you need a torque converter built tough for heavy-duty towing and hauling, the SC-23618C1-20 is a solid choice. SunCoast Diesel crafted this 2,000 stall, triple disk billet converter specifically for Dodge’s 47 and 48RE transmissions. It features a billet steel cover, hardened turbine splines, and three carbon-graphitic clutch discs for durability and improved response. Weighing 74 pounds, it fits Ram 2500 and 3500 models from 1996 to 2003. While it’s not designed for racing, this converter excels in reliability and strength, making it ideal for demanding work trucks needing consistent performance on the road.
Best For: Heavy-duty truck owners and operators who need a durable, reliable torque converter for towing and hauling with Dodge 47 and 48RE transmissions in Ram 2500 and 3500 models from 1996 to 2003.
Pros:
- Built with billet steel components and hardened turbine splines for enhanced durability.
- Features triple carbon-graphitic clutch discs for improved vehicle response and smooth operation.
- Designed specifically for heavy-duty applications, ensuring reliable performance under demanding conditions.
Cons:
- Not suitable for racing or high-performance motorsport applications.
- Heavier weight (74 pounds) may slightly affect fuel efficiency.
- Limited to certain Dodge Ram models and transmissions, restricting broader compatibility.
Torque Converter Stator, fits Chrysler 68RFE 6.7L Cummins Diesel. SX-5-11
- Industry Part ID: SX-5-11, BW-ST-1S (Sonnax)
- Low Stall
- Material: Aluminum
- Brand: Tri Component Products
- Perfect for all applications including Heavy-Duty.
Anyone looking to boost their Chrysler 68RFE 6.7L Cummins Diesel’s performance should consider the Torque Converter Stator SX-5-11. Made from aluminum by Tri Component Products, this low-stall stator fits perfectly with 68RFE transmissions and compatible BorgWarner units. It’s designed for heavy-duty applications, ensuring reliable power transfer and improved efficiency. Weighing just 2.42 pounds, it’s lightweight yet durable. Plus, it comes with a 12-month manufacturer replacement warranty and a 30-day return policy through Amazon, making it a risk-free upgrade. If you want consistent performance gains, the SX-5-11 stator is a solid choice to enhance your torque converter’s capabilities.
Best For: Enthusiasts and professionals seeking to enhance the performance and efficiency of Chrysler 68RFE 6.7L Cummins Diesel transmissions, especially in heavy-duty applications.
Pros:
- Made from durable, lightweight aluminum for long-lasting performance.
- Compatible with multiple transmissions including BorgWarner 310mm units.
- Comes with a 12-month manufacturer warranty and 30-day return policy for risk-free installation.
Cons:
- Specifically designed for Chrysler 68RFE and select BorgWarner transmissions, limiting broader compatibility.
- May require professional installation for optimal performance and fitment.
- Low stall type may not suit all driving styles or performance needs.
TO-657 68RFE transmission torque converter DUAL DISCS for 6.7L diesel
- TO-657 68RFE transmission torque converter DUAL DISCS for 6.7L diesel (NOT ACTUAL PICTURE SHOWN)
- Mount : 6 HOLES - (NOT ACTUAL PICTURE SHOWN)
- Spline : 27
- 1 Year Limited Warranty
- Please send your vehicle info: Year, Make, Model, Engine Size and Transmission model after purchase using Amazon MESSAGING system.
The TO-657 68RFE transmission torque converter with dual discs is perfect for diesel enthusiasts who demand reliable performance from their 6.7L engines. Remanufactured to meet or exceed OEM specs, it guarantees durability and smooth power transfer. Weighing 49 pounds and painted for protection, this unit features a 6-hole mount and 27-spline design, fitting perfectly with your 68RFE transmission. Made in the USA by BILLETORQUE, it comes with a 1-year limited warranty and Amazon’s 30-day return guarantee. Having a solid 5-star rating, it’s a dependable choice to boost your diesel’s performance without compromise.
Best For: Diesel truck owners with a 6.7L engine and 68RFE transmission seeking a reliable, OEM-spec torque converter with dual discs for enhanced performance.
Pros:
- Remanufactured to meet or exceed OEM specifications for durability and performance.
- Made in the USA with a protective painted exterior and solid build quality.
- Includes a 1-year limited warranty and Amazon’s 30-day return guarantee for buyer confidence.
Cons:
- Higher Best Sellers Rank indicating it may be less popular or harder to find compared to alternatives.
- Limited customer reviews with only one rating, which may not provide enough user feedback.
- Heavier weight (49 pounds) could make installation more challenging for some users.
07.5-18 Dodge Cummins 68RFE ProForce Enhanced Stall Torque Converter
- BD Diesel parts have a level of precision and quality that goes above and beyond the competition.
- Whether hauling that heavy load, cruising down the highway, or launching down the quarter mile, BD has a turbo solution that will work for you.
- BD Diesel has the product that best fits your performance or application goals.
- Torque Converters
- Torque Converters
For those who demand top-tier performance from their Dodge Cummins diesel, the 07.5-18 Dodge Cummins 68RFE ProForce Enhanced Stall Torque Converter by BD Diesel stands out as a powerhouse. This machined marvel weighs 74 pounds and measures 15 by 15 by 11 inches, built for precision and durability. BD Diesel’s expertise shines here, offering a torque converter ideal for heavy hauling, highway cruising, or quarter-mile launches. Designed in Canada with rigorous standards, it delivers consistent performance tailored to your needs. Backed by Amazon’s 30-day return policy and BD Diesel’s warranty, it’s a solid upgrade for any Cummins enthusiast.
Best For: Enthusiasts and professionals seeking enhanced performance and durability in their 07.5-18 Dodge Cummins diesel trucks for heavy hauling, highway cruising, or racing applications.
Pros:
- Precision-machined construction ensures high durability and consistent performance.
- Versatile use suitable for heavy loads, highway driving, and quarter-mile launches.
- Backed by BD Diesel’s warranty and Amazon’s 30-day return policy for buyer confidence.
Cons:
- Heavier weight (74 pounds) may require additional installation effort.
- Specific warranty details need to be obtained separately, which could delay decision-making.
- Designed exclusively for 07.5-18 Dodge Cummins 68RFE models, limiting compatibility with other vehicles.
Transmissions Replacement Torque Converter 68RFE for 2007-2024 Dodge 6.7L Diesel
If you drive a 2007-2024 Dodge with a 6.7L diesel engine, you’ll appreciate how the Shift Rite Transmissions replacement 68RFE torque converter locks up like a factory part while maintaining a low stall speed. Manufactured by Recon, this 65-pound unit fits perfectly and guarantees smooth power transfer without sacrificing fuel efficiency. It’s designed specifically for Dodge’s 6.7L diesels from 2007 to 2015, with factory-level lock-up performance. Backed by a 1-year warranty and a 30-day return policy, this torque converter balances reliability and value. It’s a solid choice if you need a dependable replacement for your 68RFE transmission.
Best For: Owners of 2007-2015 Dodge trucks with a 6.7L diesel engine seeking a reliable, factory-quality replacement torque converter for their 68RFE transmission.
Pros:
- Provides factory-level torque converter lock-up and low stall speed for smooth power transfer.
- Manufactured by Recon and backed by a 1-year warranty for peace of mind.
- Fits perfectly and maintains fuel efficiency, ensuring dependable vehicle performance.
Cons:
- Compatibility officially listed only up to 2015 models despite product title mentioning 2024.
- Heavier unit at 65 pounds, which may require careful handling during installation.
- Relatively low sales rank (#3,974,034 in Automotive) indicating limited customer reviews or popularity.
SC-68RFEC1-20 Torque Converter for Dodge Cummins 68RFE
- Refundable Core Charge Required
- Fits All 68RFE Transmissions And Is Engineered To Handle All Of Your Everyday Duties
When you’re towing or hauling heavy loads with a Dodge Cummins 68RFE transmission, you’ll appreciate the SC-68RFEC1-20 torque converter’s 2,000 stall triple disc billet design. This converter features a billet lockup apply piston and a CNC-machined billet steel cover, ensuring durability with 4140 turbine splines and a hardened hub. It’s precision assembled in the USA, computer-balanced within .01 gram, and built specifically for towing—not racing. Compatible with all 68RFE transmissions from 2010 to 2018 Ram 2500 and 3500 models, it also comes with a three-year unlimited mileage warranty for peace of mind.
Best For: Owners of 2010-2018 Ram 2500 and 3500 trucks with 68RFE transmissions who need a durable, high-performance torque converter optimized for towing and hauling heavy loads.
Pros:
- Durable construction with CNC-machined billet steel cover and 4140 hardened components for longevity.
- Precision balanced and assembled in the USA, ensuring reliable and smooth performance.
- Comes with a 3-year unlimited mileage warranty, providing strong customer assurance.
Cons:
- Designed specifically for towing and hauling, not suitable for racing or high-RPM applications.
- Requires a refundable core charge, which adds initial purchase complexity.
- Heavier weight (86 pounds) may complicate installation for some users.
Factors to Consider When Choosing a 68RFE Torque Converter
When choosing a 68RFE torque converter, you’ll want to focus on key factors like stall speed selection and build material quality. Make sure it’s compatible with your vehicle and consider the lockup clutch design for performance efficiency. Don’t overlook the torque converter’s weight, as it can affect your truck’s overall response.
Stall Speed Selection
Although selecting the right stall speed for your 68RFE torque converter might seem straightforward, it plays a crucial role in how your vehicle performs. Stall speed is the RPM where the converter starts to engage, affecting acceleration and engine response. If you tow heavy loads or need high performance, a higher stall speed—between 1,900 and 2,200 RPM—helps your engine respond quicker under stress. For daily driving or lighter use, a lower stall speed around 1,200 to 1,500 RPM offers smoother engagement and better fuel efficiency. When choosing, consider your vehicle’s weight, purpose, and any engine mods you’ve made. You can adjust stall speed by swapping springs or selecting torque converters designed for specific RPM ranges to match your driving needs precisely.
Build Material Quality
Build material quality directly impacts the durability and performance of your 68RFE torque converter. Choosing premium materials like billet steel or aluminum guarantees enhanced strength and resistance to wear. Aluminum is particularly favored for its lightweight properties, helping improve your vehicle’s efficiency without compromising robustness. Heat-treated components, such as hardened turbine splines, prevent premature failure under high stress, boosting reliability. Additionally, carbon-graphitic clutch discs provide superior friction and heat dissipation, essential for heavy-duty use. Look for torque converters featuring furnaced-brazed fins, as they greatly enhance structural integrity to withstand thermal and mechanical stresses during operation. Prioritizing these material qualities means you’ll get a torque converter that performs consistently and lasts longer under demanding conditions.
Compatibility With Vehicle
Material quality sets the foundation for a reliable 68RFE torque converter, but making certain it fits your vehicle correctly is just as important. You need to confirm compatibility with your specific model year and engine type, especially since many 68RFE converters suit Ram trucks from 2008 to 2018. Don’t overlook the spline count and mounting style—some models feature 23 or 27 splines, affecting installation. Also, check the stall speed to match your performance goals, with options from 1,900 to 2,200 RPM. Consider how you use your vehicle; some converters handle heavy towing better than others. Always review the manufacturer’s specs and compatibility lists to avoid fitment issues. Taking these steps makes certain you get a torque converter that performs reliably and fits perfectly.
Lockup Clutch Design
The lockup clutch plays an essential role in your 68RFE torque converter by eliminating slip between the engine and transmission, which boosts fuel efficiency and performance during cruising. When choosing a torque converter, consider a lockup clutch made from carbon-graphitic materials, as these withstand high pressure and temperature, guaranteeing reliable engagement and longer transmission life. A well-designed clutch reduces heat generation and increases torque capacity, which is vital for towing or heavy-duty use. Look for models with adjustable engagement points, allowing you to tailor performance to your driving conditions. Proper lockup clutch function also delivers smoother shifts and quicker vehicle response, enhancing overall driving experience. Prioritizing these features guarantees your torque converter meets performance and durability demands.
Torque Converter Weight
Weight plays a critical role in how your 68RFE torque converter performs and responds. Heavier converters, often around 77 pounds or more, offer enhanced durability and strength, making them ideal for towing or high-performance use. However, if you prioritize quicker throttle response and acceleration, a lighter torque converter might be better, though it may sacrifice durability under heavy stress. The materials used, like aluminum or steel, considerably impact the converter’s weight—aluminum usually weighs less, helping with responsiveness. When choosing, consider your vehicle’s specs and how you plan to use it. Matching the torque converter’s weight to your driving needs guarantees best performance and longevity without compromising reliability under demanding conditions.
Warranty Coverage Terms
Choosing the right 68RFE torque converter means looking beyond just performance factors like weight. You should carefully examine the warranty coverage terms to protect your investment. Most torque converters come with a limited warranty lasting from 1 to 3 years, depending on the manufacturer. Some brands even offer extended warranties with unlimited mileage, while others limit coverage based on miles driven. Warranties typically cover manufacturing defects but often exclude damage from improper installation or misuse. Make certain you keep your receipt and proof of purchase, as these are usually required for any claims. Reviewing the warranty details helps you understand the conditions involved and prevents surprises later. Prioritizing solid warranty coverage guarantees peace of mind while maximizing your converter’s performance and lifespan.
Core Charge Requirements
Although paying a core charge might feel like an extra cost upfront, it plays an essential role when buying a 68RFE torque converter. This refundable deposit encourages you to return your old, defective torque converter for recycling or remanufacturing, helping reduce waste. The core charge is usually included in your purchase price but varies depending on the model and manufacturer. To get your refund, you’ll need to send back your old core in the condition specified by the manufacturer. Once they receive and verify it, they’ll process your refund. Understanding these core charge requirements guarantees you won’t lose money and supports sustainable practices while upgrading your vehicle’s performance. Always check the specific terms before completing your purchase.
Manufacturer Reputation
Manufacturer reputation plays an essential role when selecting a 68RFE torque converter, as it directly impacts the product’s quality and reliability. When you choose an established manufacturer, you’re more likely to get a durable, high-performance converter built to handle demanding conditions. Reputable companies back their products with solid warranty and support, so you won’t be left stranded if issues arise. Checking customer reviews can give you real-world insights into how well a converter performs and whether the manufacturer stands behind their product. Additionally, manufacturers with industry certifications and strict adherence to OEM specs guarantee their converters meet high quality and performance standards. By prioritizing manufacturer reputation, you’re investing in a torque converter you can trust for long-lasting, reliable performance.
Frequently Asked Questions
How Does a Torque Converter Impact Overall Fuel Efficiency?
A torque converter affects your fuel efficiency by controlling power transfer between the engine and transmission. If it locks up properly, you’ll reduce slippage, improving fuel economy. Poorly performing converters waste energy and gas.
Can Torque Converters Be Rebuilt or Should They Always Be Replaced?
You can rebuild torque converters if the damage isn’t severe, saving money and resources. However, if wear is extensive or performance drops considerably, replacing them guarantees reliability and peak function. Choose based on condition.
What Maintenance Tips Extend the Life of a 68RFE Torque Converter?
You should regularly check and change transmission fluid, avoid overheating, and address leaks promptly. Also, don’t ignore unusual noises or vibrations—they’re signs you need maintenance to keep your torque converter running smoothly longer.
Are There Compatibility Issues With Aftermarket Torque Converters?
You might face compatibility issues with aftermarket torque converters if they’re not designed specifically for your transmission model. Always check specs and manufacturer recommendations to guarantee a proper fit and avoid performance problems or damage.
How Do Stall Speeds Affect Daily Driving and Towing Performance?
You’ll notice higher stall speeds let your engine rev more before engaging, improving towing power but can reduce fuel efficiency and cause heat. Lower stall speeds offer smoother daily driving but might limit towing performance.