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Automatic transmission service kit with steel sump pan, internal filter, valve body sleeve, and 7 quarts of ZF-spec fluid for Discovery and Range Rover
Automatic transmission service kit with steel sump pan, internal filter, valve body sleeve, and 7 quarts of ZF-spec fluid for Discovery and Range Rover
Automatic transmission service kit with steel sump pan, internal filter, valve body sleeve, and 7 quarts of ZF-spec fluid for Discovery and Range Rover
ATFCKIT – Automatic Transmission Filter Conversion Kit (6-Speed)

ATFCKIT – Automatic Transmission Filter Conversion Kit (6-Speed)

Steel Pan + Filter + Fluid + Valve Body Sleeve – ZF 6HP26

The ZF 6-speed automatic is solid, but servicing it shouldn't require lifting the engine or dropping the exhaust. The ATFCKIT makes fluid and filter service fast and painless by converting the OE one-piece sump/filter into a serviceable two-piece setup—saving you time, money, and a few busted knuckles.

This kit is built for trucks running the ZF 6HP26 6-speed auto. From the factory, a transmission service requires major disassembly because the sump and filter are molded together. The ATFCKIT replaces that with a bolt-in steel sump, a separate filter, and comes complete with a new valve body sleeve and 7 quarts of ZF-spec fluid—everything you need in one box.

It’s easier to install, easier to service again later, and tougher than the factory plastic pan.

Kit Includes:

  • Steel transmission sump pan

  • Replaceable internal transmission filter

  • New pan gasket and mounting hardware

  • 7 quarts ZF-spec automatic transmission fluid

  • Valve body sleeve (TZV500010) included

Vehicle Compatibility:

Fits all vehicles equipped with the ZF 6HP26 automatic transmission:

  • LR3 / Discovery 3 V8 4.4L (2005–2009)

  • LR3 / Discovery 3 V6 4.0L (2005–2009)

  • LR4 / Discovery 4 V8 5.0L (2010–2013)

  • Range Rover Full Size 4.4L (Jag Engine) (2006–2009)

  • Range Rover Full Size 4.2L Supercharged (Jag Engine) (2006–2009)

  • Range Rover Full Size NA & Supercharged (2010–2012)

  • Range Rover Sport NA & Supercharged (2006–2013)

Part Number: ATFCKIT

Installation Notes:

  • No need to remove exhaust or unbolt engine mounts

  • Follow recommended drain, cut, and replace method

  • Use included fluid (7 quarts) and fill to ZF spec

  • Valve body sleeve replaces known leak point at harness connector

Frequently Asked Questions:

Q: What's the difference between this and the stock setup?
A: The factory sump and filter are molded as one unit, requiring a major teardown to replace. This kit separates them and uses a steel pan that bolts in easily.

Q: Do I really need the valve body sleeve?
A: Yes — over time, the factory sleeve can leak and cause shifting issues. We include it because you’re already in there.

Q: What fluid is included?
A: 7 quarts of ZF-spec transmission fluid (or high-quality equivalent) are included with the kit.

Q: How often should I change the fluid and filter?
A: ZF recommends every 50,000–75,000 miles to maintain proper performance.

Q: Will this fit the 8-speed transmission?
A: No — this is specifically for the 6-speed ZF 6HP26 used in the models listed above.

 

Part Number: ATFKIT

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