Changing a Fuel Filter on a GM 6.5 Diesel

Glow Plug Article
Fuel Bowl Drain Light

If this site has helped you consider a Donation. Donation Info

This is the new filter design. It's a WIX 33976 or Hastings FF943

<Fuel filter Fuel filter top


1998 H1 - The Fuel filter is on the right and the fuel pump is on the left.


Showing the Long and Short Alignment Slots.

Notice the slots in the fuel Bowl and the O-ring seal


Seal on the fuel filter. - Grease the threads on the retaining ring.