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SKU: 310-005-2392 | UPC: 3100052392
ATS Diesel 2013-2018 Ram Cummins 6.7L w/ 68RFE or Aisin AS69RC Trans Thermal Bypass Valve Upgrade
The ATS Diesel Thermal Bypass Valve Upgrade replaces the factory valve on 2013-2018 Ram trucks equipped with 6.7L Cummins diesel engines and 68RFE or Aisin AS69RC transmissions.
This direct-fit component uses a high-flow thermostat to bypass the transmission cooler during cold starts, directing fluid internally until optimal temperature is reached. It then fully engages the cooler to dump heat efficiently, reducing wear on clutches and seals while extending fluid life and improving shift quality under load.
Key Features
- CNC Machined Billet Aluminum Housing: Precision-machined from 6061-T6 aluminum with black anodized finish for corrosion resistance and durability in harsh conditions.
- High-Flow Brass Thermostat: Opens fully at 170 degrees F for rapid heat dissipation, preventing fluid oxidation and maintaining consistent performance during towing or high-stress use.
- Stainless Steel Spring and O-Rings: Provides reliable sealing and consistent bypass operation across thousands of cycles, eliminating factory plastic failures.
- Direct Bolt-On Design: Matches OEM mounting points with no modifications, ensuring simple installation and perfect integration with stock cooler lines.
- Enhanced Fluid Management: Warms transmission fluid 30 percent faster than stock, reducing initial wear and enabling crisper shifts from a cold start.
Product Notes
- Requires no transmission disassembly. installs in under 30 minutes with basic hand tools.
- Use with full-synthetic ATF for best results and to maintain warranty coverage.
- Packaged securely to prevent damage. handles standard ground shipping without issues.
Installation Notes
- Professional installation recommended.
- Drain minimal fluid from cooler line before removal. torque to 20 ft-lbs.
- Compatible with all factory and aftermarket cooler line fittings. no adapters needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2018 | Ram | 2500 Pickup | 6.7L L6 Diesel 68RFE Trans |
| 2013-2018 | Ram | 2500 Pickup | 6.7L L6 Diesel Aisin AS69RC Trans |
| 2013-2018 | Ram | 3500 Pickup | 6.7L L6 Diesel 68RFE Trans |
| 2013-2018 | Ram | 3500 Pickup | 6.7L L6 Diesel Aisin AS69RC Trans |
| 2013-2018 | Ram | 3500 Dually Pickup | 6.7L L6 Diesel 68RFE Trans |
| 2013-2018 | Ram | 3500 Dually Pickup | 6.7L L6 Diesel Aisin AS69RC Trans |
| 2013-2018 | Ram | 4500 Chassis Cab | 6.7L L6 Diesel Aisin AS69RC Trans |
| 2013-2018 | Ram | 5500 Chassis Cab | 6.7L L6 Diesel Aisin AS69RC Trans |
Why Choose ATS Diesel?
- Engineered and manufactured in the USA with over 20 years of heavy-duty diesel expertise.
- Backed by a limited lifetime warranty on manufacturing defects.
- dyno-tested for real-world towing and performance demands.
Frequently Asked Questions
- Q: Will this fit 2019+ Ram Cummins models?
- A: No, this valve is designed specifically for 2013-2018 models with 68RFE or Aisin AS69RC transmissions. later years use updated factory designs.
- Q: What material is the housing made from?
- A: Billet 6061-T6 aluminum, CNC machined and anodized for strength and heat resistance superior to factory plastic components.
- Q: Does installation void my transmission warranty?
- A: ATS products are CARB-approved where required and do not void OEM warranties when installed correctly. retain receipts for coverage.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact box measures 4 x 4 x 2 inches
- Weight: 0.7 lbs
ATS Diesel
ATS Diesel Performance is a family-owned manufacturer specializing in heavy-duty upgrades for diesel-powered pickup trucks. Every component is designed, engineered, and built in-house to handle the demands of towing, hauling, and high-horsepower builds on Cummins, Duramax, and Powerstroke platforms.Popular UpgradesATS transmission upgrade kits are a top choice for owners who tow heavy loads or run modified engines that exceed stock transmission limits. Their exhaust manifolds improve exhaust flow and turbo spool for stronger mid-range power, while the turbocharger lineup covers both drop-in replacements and compound twin-turbo setups. Advanced electronics including boost controllers and transmission monitoring systems help keep your build reliable under load.Will ATS Diesel parts void my truck's warranty?ATS builds components to OEM-or-better standards, but adding any aftermarket performance part can affect warranty coverage depending on your dealership and specific claim. The Magnu...
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