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Doc\'s Diesel Ford 6.7L Powerstroke 10R140 Transmission Service Kit 2020-2026Ford 6.7L Powerstroke 10R140 Transmission Service Kit 2020-2026 Product Description Doc\'s Diesel Transmission Service Kits:
Doc’s Diesel Transmission Service Kits come with everything you need to keep your transmission running strong. They help keep your fluid clean, which means smoother shifts and longer life for your rig. Regular filter and fluid swaps help you avoid costly breakdowns and keep your truck on the road where it belongs.
Product Details:
- Includes 1 Transmission Filter Kit + 3 Gallons of The ULV Automatic Transmission Fluid
- Gaskets Made with premium rubber NBR material
- Premium filter media keeps transmission fluid clean
- Gasket includes fitted screw holes for easy installation
- Doc\'s Auto Parts all have an OEM design, fit, and function that meet or exceed OEM Requirements
Fitment + Interchange:
Vehicle Fitment:
- 2020-2026 Ford 6.7L Powerstroke F-250, F-350, F-450, F-550 with 10R140 Diesel Ford 6.7L Powerstroke 10R140 Transmission Service Kit 2020-2025 DF-440: Motorcraft LC3Z-7G186-A, LC3P-7G186-AC, LC3Z-7F396-A, LC3Z-7F396-B / FT221
Doc\'s Part Number:
DF440+DULV-3
Change Interval:
Above all recommendations, change according to your vehicle’s manufacturer\'s warranty.
- Transmission Filters: Every 25,000-50,000 miles or 60,000 miles maximum
Note: Most OEM recommendations are based on regular driving, NOT hauling. Doc’s Diesel recommends changing transmission filters earlier than OEM recommended guidelines for preventative maintenance and to ensure the longevity of your transmission.
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Shipping Shipping Policies
Spend $99 or more and we’ll ship your order free anywhere in the lower 48.
Returns Return Policies
Not satisfied? No problem. You’ve got 30 days to send your parts back as long as they’re unused and in new condition. Just start a return through and we’ll handle the rest.
About Us About Doc\'s Diesel
At Doc’s Diesel, we make truck maintenance simple and affordable with parts that last. We started with premium filters that meet or beat OEM standards—and we didn’t stop there.
Now we offer brakes, hubs, wipers, oil, and more for Cummins, Powerstroke, Duramax, and EcoDiesel. Everything’s lab-tested and work-tested.
Based in small-town Ohio, and built on hard work, no B.S., and doing the job right.
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