Product Description
MAHLE JV1684 is a rear main seal & rear cover gasket kit engineered for long service life on Ford Powerstroke platforms. Built with OE-grade materials (Teflon seal, Victo-Tech gasket) and includes the wear sleeve for a complete, lasting repair. Ideal during rear main reseal, flexplate/clutch service, or full refresh.
- Includes: Rear main seal (1-piece), wear sleeve, rear cover gasket
- Seal Material: Teflon • Gasket Material: Victo-Tech
- GTIN/UPC: 027067652744
- OE Quality: Meets or exceeds OE specs
Reference data verified from XDP product listing (specs, GTIN, contents).
Fitment
- 2003–2007 Ford Super Duty F-250 / F-350 / F-450 / F-550 with 6.0L Powerstroke
- Also fits: 2008–2010 Ford Super Duty with 6.4L Powerstroke and select 2004–2010 E-Series vans (6.0L) — confirm by VIN before purchase
Cross Reference Numbers
- Ford: 3C3Z-6701-AA (seal), 3C3Z-6D083-AA (rear cover gasket)
- International/Navistar: 1835733C1, 1877453C91
Install Notes
- Clean and inspect crank flange and cover; follow Ford/Cummins-equivalent surface prep best practices for Teflon seals
- Use appropriate installer to avoid lip damage and to properly seat the wear sleeve
- Verify PCV/CCV function; excessive crankcase pressure can cause repeat leaks
FAQ
Does this kit include everything needed at the rear cover?
Yes — it includes the rear main seal, the wear sleeve, and the rear cover gasket for a complete reseal at the back of the engine. xtremediesel.com
What engines will this fit?
Primarily 2003–2007 6.0L Powerstroke in F-Series; it is also used on 2008–2010 6.4L Powerstroke and many 2004–2010 6.0L E-Series vans (verify by VIN). xtremediesel.com +2 jackdemmerfordparts.com +2
What are the Ford/International cross numbers?
Common references include 3C3Z-6701-AA (seal), 3C3Z-6D083-AA (rear cover gasket), 1835733C1, and 1877453C91. xtremediesel.com +1
Is the seal rubber or Teflon?
Teflon (PTFE) 1-piece design; gasket is Victo-Tech material. xtremediesel.com
