SKU: 303-021-2326 | UPC: 3030212326
ATS Diesel 2007.5+ 6.7L Cummins 68RFE Accumulator Piston Kit
Upgrade the valve body in your 2007.5-2018 Ram 2500/3500 with 6.7L Cummins and 68RFE transmission using this accumulator piston kit from ATS Diesel.
The kit replaces weak stock pistons with larger designs that deliver 50% more clamping force to OD and reverse clutches for crisp shifts and reduced wear. It handles high-horsepower builds while preventing common transmission failures.
Key Features
- Larger Piston Design: 50% increased apply surface area on overdrive and reverse pistons for greater hydraulic clamping force and clutch holding power
- Stiffer Accumulator Spring: 25% firmer than stock to eliminate piston flop and ensure consistent pressure under load
- Billet 6061-T6 Aluminum Construction: Lightweight yet durable material resists cracking and deformation in high-pressure environments
- Complete Kit Contents: Includes both accumulator pistons, upgraded spring, all O-rings, and seals for a drop-in installation
- Failure Prevention: Addresses stock piston weaknesses that lead to clutch slippage and early transmission rebuilds
Product Notes
- Direct replacement for OEM accumulator pistons in 68RFE valve body
- No core charge required. no exchange needed
- Packaged for safe transit in protective foam inserts
Installation Notes
- Professional installation recommended.
- Requires valve body removal and disassembly from the 68RFE transmission
- Uses stock mounting hardware. torque to factory specs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007.5-2018 | Ram | 2500 Pickup | 6.7L V8 Diesel |
| 2007.5-2018 | Ram | 3500 Pickup | 6.7L V8 Diesel |
| 2007.5-2018 | Ram | 3500 Dually Pickup | 6.7L V8 Diesel |
Why Choose ATS Diesel?
- Decades of experience building heavy-duty diesel transmissions
- Focus on real-world durability for towing and performance applications
- Precision-machined components tested in high-stress conditions
Frequently Asked Questions
- Q: Which transmissions and engines is this kit designed for?
- A: Fits 68RFE automatic transmissions in 2007.5-2018 Ram 2500/3500 models equipped with 6.7L Cummins diesel engines
- Q: What materials are used in the pistons?
- A: Machined from billet 6061-T6 aircraft-grade aluminum with reinforced seals for maximum strength and sealing
- Q: Does this kit come with a warranty?
- A: Backed by ATS Diesel’s limited lifetime warranty on manufacturing defects when installed properly
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Compact box measuring 6 x 4 x 2 inches
- Weight: 0.5 lbs
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