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This ATS Diesel valve-body component supports application-specific hydraulic pressure and clutch control. Transmission family and production split must match before installation. Review the verified fitment, exact configuration, specifications, included components, and installation requirements below before ordering.
Key Features
- Stiffer Accumulator Spring: 25% firmer than stock to eliminate piston flop and ensure consistent pressure under load.
- Complete Kit Contents: Includes both accumulator pistons, upgraded spring, all O-rings, and seals for a drop-in installation.
- Larger Piston Design: 50% increased apply surface area on overdrive and reverse pistons for greater hydraulic clamping force and clutch holding power.
- Failure Prevention: Addresses stock piston weaknesses that lead to clutch slippage and early transmission rebuilds.
- Billet 6061-T6 Aluminum Construction: Lightweight yet durable material resists cracking and deformation in high-pressure environments.
- Precision-machined components tested in high-stress conditions.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2007-2010 | Dodge | Ram 2500 | |
| 2007-2010 | Dodge | Ram 3500 | |
| 2011-2024 | Ram | 2500 | |
| 2011-2024 | Ram | 3500 |
Specifications
| Brand | ATS Diesel Performance |
|---|---|
| Manufacturer Part Number | 303-021-2326 |
| Product Type | Accumulator Piston |
| Condition | New |
| Official Configuration | 2007.5+ / Accumulator Piston Kit |
| Engine Compatibility | 6.7L Cummins |
| Transmission Compatibility | 68RFE |
| Manufacturer GTIN | 00840440598190 |
| Manufacturer Reference | ATS 68RFE Accumulator Piston Kit / Accumulator Plate Fits 2007.5-2019+ 6.7L Cummins |
What's Included
One new ATS Diesel component in the exact configuration shown. Gaskets, hardware, wiring, fittings, fluids, filters, tuning, and companion parts are included only when the manufacturer listing expressly states they are part of this exact configuration.
About ATS Diesel Performance
ATS Diesel Performance develops transmission, turbocharger, exhaust, fuel-system, and drivetrain components for Dodge, Ram, Ford, and GM diesel trucks. Product selection remains exact-application specific.
Related ATS Diesel Parts
- ATS Diesel 2007.5+ Cummins 6.7L w/ Automatic Trans Doomsday Device - Dipstick Overflow Control
- ATS Diesel 2007.5+ Dodge 6.7L Common Rail Cummins 2pc Holset 351VE Flange Exhaust Manifold
- ATS Diesel 2007.5+ Dodge 6.7L Cummins Electronic Fuel Regulator
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Frequently Asked Questions
Does this valve body component fit 2007-2010, 2011-2024 Dodge Ram 2500, Dodge Ram 3500, Ram 2500, Ram 3500?
Those are the verified vehicle applications. Also confirm 6.7L Cummins, 68RFE, production split, factory equipment, and every ATS application note before ordering.
Does this part require the exact 68RFE?
Yes. Match the transmission family, production split, connector or mechanical interface, fluid specification, and companion ATS components before installation.
What should be verified before installation?
Inspect the related transmission or drivetrain components, confirm all required seals and hardware, and use the current ATS torque, fluid, setup, and break-in procedures.
Installation Instructions
Use the current ATS Diesel instructions and vehicle service information. Verify the exact application, required tools, fasteners, seals, fluids, calibration, torque values, clearances, and startup or relearn procedure. Professional installation is recommended for internal transmission, turbocharger, fuel-system, and driveline work.
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