This Differential Cover fits:
C20 & K20 3/4 Ton Truck 1973 to current
C2500 & K2500 3/4 Ton Truck 1973 to current
Silverado 2500 & 2500HD 3/4 Ton Truck 1973 to current
Sierra 2500 & 2500HD 3/4 Ton Truck 1973 to current
C30& K30 1 Ton Truck 1973 to current
C3500 & K3500 1 Ton Truck to current
Silverado and Sierra 3500
Vandura, Express, Savana and G20, G2500
3/4 Ton Vans 1973 to current
May not fit late model vehicles with a towing package.
See the "BEFORE YOU ORDER" Tab.
BEFORE YOU ORDER:
Verify which axle your vehicle was assembled with. Look for:
Tags and or specifications in the glove box.
You can call your vehicles Dealer with the VIN number.
Your mechanic may be able to help.
View the reference drawing for the cover that you intend to order.
The reference drawings are listed in the Vehicle sub-categories.
View the drawing and check for interferences.
Most brackets that are attached using one of
the cover bolts will generally not be a problem.
This cover NDC508-A could fit many GM vehicles.
Many of the listed vehicles were also built with a 7-1/2" 10 Bolt
or a 9-1/2" 14 Bolt axle.
From the Manufacturer
"This 14 bolt 10-1/2" differential cover uses 12 of the 14 bolts. The
bolt hole at the bottom was removed because the drain boss is best
located there. We have sold many of these and have never had a
problem with leaking. The flange is very strong and the two bolts
that are left out are not missed."
GM Bolt issues
GM installed the stock covers on this axle using different bolt
We will contact you prior to shipment to verify
which bolt package to ship.