For Dodge Ram owners with a 6.7L Cummins, the 68RFE transmission is a known point for potential improvement, especially when adding power or towing heavy. Whether you’re building for performance, addressing a known weakness, or simply performing routine maintenance, selecting the right components is critical for longevity and drivability. The aftermarket offers a vast array of solutions to strengthen, cool, and refine this transmission.
This guide compiles a selection of essential 68RFE products, from complete rebuild kits and heavy-duty valve bodies to upgraded cooling components and billet internals. We have focused on products designed to enhance durability and performance under stress. Our goal is to help you make an informed decision to build a transmission that meets your specific demands and driving style.
Essential 68RFE Transmission Upgrades
- 68RFE High Performance Rebuild Kit
- BD Diesel Performance 1041210 Black FleX- Plate
- Revmax 68RFE High Performance Towing/HD Valve Body
- Compatible with Ram 6.7L Diesel Billet Triple disk Torque converter
- 68RFE Diesel Transmission Stage 1 Rated 650HP
- PPE Heavy-Duty 68RFE Tranmission Pan
- TransGo RFE-5B-HP 68RFE High-Pressure Reprogramming Kit
- MAG HYTEC 68RFE Transmission Pan
- ATS Diesel Thermal Bypass Valve Up-Grade
- Fleece Performance 68RFE Billet Input Shaft
68RFE High Performance Rebuild Kit
This rebuild kit is an excellent foundation for anyone looking to refresh or strengthen their 68RFE transmission. It consolidates the best brands into a single package, containing only OEM components from industry-leading suppliers. This approach ensures compatibility and reliability, giving you peace of mind that the parts meet original equipment specifications.
By using high-quality OEM-level parts, this kit helps restore smooth shifting and overall transmission function. It is a practical solution for a standard rebuild or as part of a larger performance build. International buyers should note that they are responsible for any import tax duties and expenses.
BD Diesel Performance 1041210 Black FleX- Plate
The stock flex plate is a common failure point in high-torque applications, and the BD Diesel Performance Black FleX-Plate is designed to address this weakness directly. It is constructed to be two times thicker than the stock unit, providing a significant increase in strength and durability. This robust design helps prevent cracking and failure under the high stress of a powerful diesel engine.
Further enhancing its reliability, this flex plate features high-quality welds and boasts 300% less radial run-out compared to other aftermarket options. This precision manufacturing ensures better balance and a smoother connection between the engine and transmission, contributing to the overall health of your drivetrain.
Revmax 68RFE High Performance Towing/HD Valve Body
For those experiencing soft or sluggish shifts, the Revmax High Performance Valve Body offers a direct upgrade. It is engineered to provide shortened shift times, resulting in crisp, clean gear changes that improve both driving feel and transmission longevity. This is particularly beneficial for towing or performance use where firm, timely shifts are crucial.
This valve body includes several key upgrades over the stock unit, including improved valve body to case seals to prevent pressure leaks. It also features a billet steel SSV Solenoid Switch Valve and billet end plugs, which are more durable than the stock components and help maintain consistent line pressure for reliable operation.
Compatible with Ram 6.7L Diesel Billet Triple disk Torque converter
Upgrading to a billet triple disk torque converter is one of the most effective ways to handle increased horsepower and torque. This unit is designed for the Ram 6.7L Diesel and offers a significant improvement in strength and torque multiplication over stock converters. The triple-disc design provides a firm, efficient lockup that is essential for performance driving and heavy towing.
Constructed from billet aluminum, this converter is built to withstand the high-stress conditions that can cause stock units to fail. The seller notes that parts ship daily, which can be an important factor for those on a project timeline.
68RFE Diesel Transmission Stage 1 Rated 650HP
For a comprehensive solution, this Stage 1 68RFE transmission is rated to handle up to 650 horsepower. It represents a complete, assembled unit that has been built with performance components to reliably support significant power increases. This is an ideal choice for those who want a “drop-in” solution rather than building a transmission piece by piece.
The package includes a free torque converter and is backed by a two-year warranty, providing substantial value and protection. With 30 years in business, the manufacturer brings considerable experience and a reputation for quality to this product, offering buyers confidence in their purchase.
PPE Heavy-Duty 68RFE Tranmission Pan
The PPE Heavy-Duty Transmission Pan is designed to improve the thermal and mechanical performance of your 68RFE. Its robust side ribs provide additional case strength, helping to protect the transmission. More importantly, the deep baffles inside serve a dual purpose: they prevent fluid sloshing during hard acceleration or cornering, and they aid in transferring heat away from the fluid.
By promoting better cooling and maintaining consistent fluid pickup, this pan can contribute to longer transmission life. It is constructed from brushed aluminum and comes with a lifetime warranty, underscoring the manufacturer’s confidence in its durability and construction.
TransGo RFE-5B-HP 68RFE High-Pressure Reprogramming Kit
The TransGo reprogramming kit is a popular and cost-effective method to improve the shift characteristics and durability of the 68RFE transmission. This kit physically modifies the valve body to alter shift pressure and timing, resulting in firmer, faster shifts. This can reduce clutch slippage and heat, which are primary causes of transmission failure.
Unlike a tune that can be overwritten, this is a permanent mechanical upgrade to the valve body’s programming. It is designed for the 2007.5-18 68RFE transmissions and is a trusted solution for enthusiasts looking to enhance shift firmness without a full valve body replacement.
MAG HYTEC 68RFE Transmission Pan
The MAG HYTEC transmission pan is another strong option for replacing the stock pan. It is engineered to provide increased fluid capacity, which aids in cooling by providing more fluid volume to dissipate heat. A cooler-running transmission is a more reliable transmission, especially under load.
This pan is constructed from durable materials and is designed as a direct-fit replacement for a straightforward installation. Its dimensions are provided for those who need to verify fitment, with a package height of 44.4 cm, length of 14.2 cm, and width of 36.0 cm.
ATS Diesel Thermal Bypass Valve Up-Grade
Controlling transmission temperature is critical, and the ATS Thermal Bypass Valve upgrade helps optimize the cooling system. The stock valve can keep fluid circulating within the transmission without sending it to the cooler until it reaches a certain temperature, which can be too high for optimal life. This upgrade allows the fluid to route to the cooler sooner, promoting lower operating temperatures.
The kit includes the ATS Thermal Bypass valve, a billet aluminum filter coupler, and two quick-release cooler line fittings for a complete installation. This is a proactive upgrade that can significantly extend the life of your transmission fluid and clutches.
Fleece Performance 68RFE Billet Input Shaft
The input shaft is another component prone to failure under high torque loads. The Fleece Performance Billet Input shaft is machined from high-strength steel to be significantly stronger than the factory cast unit. This upgrade is considered essential for any 68RFE transmission that will be subjected to performance use, heavy towing, or high horsepower levels.
By replacing this potential weak link with a billet component, you greatly reduce the risk of a catastrophic failure that could damage the entire transmission. It is a premium part designed for builders who are serious about creating a durable and reliable transmission setup.
What to Look For in the Best 10RFE Transmission
If you’re in the market for a 10RFE transmission, you’re likely dealing with a Dodge or Jeep vehicle that’s seen some miles. Finding a good one isn’t just about picking the cheapest option; it’s about finding a unit that will last. I’ve been through this process myself, and I want to share what I learned to help you make a smart purchase.
First, you need to decide between a new, rebuilt, or used transmission. A brand-new unit from the dealer is incredibly expensive and, for most of us, not a realistic option. A used transmission from a junkyard can be a budget-friendly choice, but it’s a huge gamble. You have no real history on its condition or how the previous vehicle was treated. For my money, a professionally rebuilt transmission is the sweet spot. A reputable rebuilder will replace all the worn components, update the parts with the latest manufacturer improvements, and usually back it up with a solid warranty. This gives you a like-new unit without the new-car price tag.
When you’re evaluating a rebuilder or a core, pay close attention to the solenoid pack and torque converter. These are two of the most common failure points on the 10RFE. A proper rebuild must include a new or fully remanufactured torque converter. Reusing the old one is a shortcut that will lead to premature failure. The solenoid pack, which controls gear shifts, should also be new or professionally tested and cleaned. Ask the seller directly about these components.
Don’t forget about the small but critical parts. A rebuild kit should include new seals, gaskets, clutches, and bands. Also, insist on getting a new or rebuilt valve body. This is the “brain” of the hydraulic system, and if it’s worn, you’ll have shifting problems no matter how good the rest of the transmission is. A trustworthy seller will be transparent about what parts are replaced during the rebuild process.
Finally, the warranty is your safety net. A long-term, nationwide warranty is a strong sign of confidence in the product. Look for a warranty that covers both parts and labor at a shop near you, not just at the original seller’s location. A 3-year/unlimited-mileage warranty is excellent, while anything less than 12 months might be a red flag. Taking the time to find the best 10RFE transmission for your needs now will save you from headaches and another costly repair down the road.
Frequently Asked Questions
What vehicles use the 10RFE transmission?
The 10RFE is a five-speed automatic transmission that was used primarily in Dodge and Jeep vehicles from the early to mid-2000s. You’ll commonly find it in models like the Dodge Ram 1500 (2003-2008), the Dodge Durango (2004-2009), and the Jeep Grand Cherokee (2005-2008) that were equipped with the 4.7L or 5.7L Hemi V8 engines. It’s always a good idea to double-check your vehicle’s specific build information using your VIN to be absolutely certain.
What are the most common signs of a failing 10RFE?
There are a few key symptoms to watch out for. The most frequent one I see is harsh or delayed shifting, especially from 1st to 2nd gear. You might also experience the transmission slipping out of gear or flaring (where the engine RPMs jump up during a shift). Another classic sign is trouble with the overdrive; the vehicle might shudder or refuse to go into overdrive at all. If you see the check engine light accompanied by transmission-related trouble codes, it’s time for a professional diagnosis.
Is it better to rebuild my current transmission or buy a remanufactured one?
This depends on your situation. Rebuilding your current transmission can be a good option if you have a trusted, local shop that specializes in these units. However, it ties up your vehicle for the duration of the rebuild. Buying a pre-remanufactured unit, often called an “exchange” unit, is usually faster. You get a unit that has been rebuilt to a standard specification, and you can often get a better warranty. For most people seeking a reliable solution, finding a quality remanufactured unit is the more straightforward path.
Can I install a 10RFE transmission myself?
While it’s technically possible for a very experienced home mechanic with a full set of tools and a vehicle lift, I generally don’t recommend it. This is a heavy, complex component that requires more than just bolting it in. The installation process involves proper alignment, connecting numerous electrical connectors, and refilling with the correct type and amount of fluid. Most importantly, the transmission control module (TCM) often needs to be reprogrammed or “re-learned” using a professional-grade scan tool. Getting this wrong can damage your new transmission. The installation and programming are best left to a professional technician.
What maintenance can I do to make my 10RFE last longer?
The single most important thing you can do is regular fluid and filter changes. The manufacturer might claim it’s a “lifetime” fluid, but that’s not realistic. I follow a strict schedule of dropping the transmission pan, replacing the filter, and refilling with new fluid every 30,000 to 50,000 miles, depending on how I use the vehicle. This removes clutch material and contaminants that cause wear. Also, avoid habits like “rocking” the vehicle back and forth if stuck in snow or mud, as this generates extreme heat that breaks down the fluid and damages internal parts. Proper maintenance is key to getting the best performance from your 10RFE transmission.