6.6L Duramax F/R Crankshaft Seal Service Kit
- This kit contains specialty tools for servicing the front and rear crankshaft seals on 2001-2016 6.6L Duramax diesel engines.
- Includes: 3878 Rear Crankshaft Seal Installer to press fit the rear seal, 3879 Front Crankshaft Seal Installer to press fit the front seal, 4042 Front Crankshaft Seal/Wear Sleeve Remover to pull the front seal without damage, and 4043 Rear Crankshaft Seal Remover with jaws to grab and remove the rear seal safely.
- All components are precision engineered for Duramax applications.
- The installers properly fit the inner and outer seal bodies while the removers use controlled force and jaws to prevent seal and engine damage.
- This comprehensive kit services GM, Isuzu, and GMT800 HD trucks needing front and rear crankshaft seal removal and installation.
- Compare 3878, 3879, 4042 and 4043 to GM factory tools J-44642, J-44645, J-44641 and J-44644.
We have a number of Home Delivery services available to you. Availability of these options will be shown at checkout.
Delivery Service | Description | Please Note |
Standard | Within 3-4 working days
(07:00 - 19:30hrs) | Weekdays Only (only applies to orders placed before 6pm) |
Express Delivery | Next Working Day (08:00 - 18:00hrs) | Weekdays Only, applies to orders placed before 4pm Mon-Thurs, before 3pm on Fri & before 2pm on Sat (no Sunday deliveries) |
Premium Delivery - DPD | Next Working Day (07:00 - 19:30hrs) | Weekdays Only, applies to orders placed before 4pm Monday-Thursday. (Orders placed after 4pm Thur - Sunday before 1pm, will be delivered Monday) |
Large Parcel Delivery | Within 3-5 working days (07:00 - 19:30hrs) | Weekdays Only (only applies to orders placed before 6pm) |
Premium Saturday Delivery | Saturday Delivery (07:00 - 19:30hrs) | Delivered Saturday with a 1 Hour delivery slot and Tracking. (only applies to orders placed on Friday before 2pm) |
Premium Sunday Delivery | Sunday Delivery (07:00 - 19:30hrs) | Delivered Sunday with a 1 Hour delivery slot and Tracking. (only applies to orders placed on Friday before 2pm) |
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