Modified Item: No
Country/Region of Manufacture: United States
Custom Bundle: No
Interchange Part Number: AM312639B
Manufacturer Part Number: BK351
Other Part Number: BRNY
Brand: USA Standard Gear
Non-Domestic Product: No
Drive Type: 4WD,AWD
Manufacturer Warranty: Yes
New Process NP246 Bearing and Seal Kit
Includes Patented Pump Wear Protector!
Fits many Chevy and GMC Trucks 1998-up
Premium OEM quality kit includes everything you'll need to bring your transfer case back to new!
Contains everything pictured:
(4) Caged Roller Bearings
(4) Caged Needle Bearings
(2) Thrust Washers
(1) Set of fork pads
(3) Metal Clad Seals (Input, Rear Output, and Front Output)
O-rings, Plug, and adapter gasket
(1) Pump Wear Protector
OEM Case halves are made of Magnesium for their light weight.
Problem with that is the pumps are made of harder aluminum which eat holes into the pocket creating a leak
and resulting failure if run too long low on fluid. Worn cases can be saved using epoxy to seal the damage.
Popular applications:
Chevrolet Avalanche:
8 CYL 5.3L 2002 - 2007 NP 246 (aluminum cases, chain driven)
8 CYL 8.1L 2002 - 2006 NP 246 (aluminum cases, chain driven)
Cadillac Escalade:
8 CYL 5.7L 1999 - 2000 NP 246 (aluminum cases, chain driven)
Chevrolet / GMC: (Suburban, Tahoe, Yukon, Denali):
8 CYL 5.0L 1998 - 1999 NP 246 (aluminum cases, chain driven, electric shift)
8 CYL 5.3L 1999 - 2006 NP 246 (aluminum cases, chain driven, electric shift)
8 CYL 5.7L 1998 - 1999 NP 246 (aluminum cases, chain driven, electric shift)
8 CYL 6.0L 1999 - 2006 NP 246 (aluminum cases, chain driven, electric shift)
8 CYL 7.4L 1998 - 2000 NP 246 (aluminum cases, chain driven, electric shift)
8 CYL 8.1L 2001 - 2006 NP 246 (aluminum cases, chain driven, electric shift)
Chevrolet / GMC: (Full Size) 1500, 2500, 3500 (GMC Sierra & Silverado):
6 CYL 4.3L 1998 - 2007 NP 246 (aluminum cases, chain driven, electric Shift)
8 CYL 4.8L 1999 - 2007 NP 246 (aluminum cases, chain driven, electric Shift)
8 CYL 5.0L 1998 - 1999 NP 246 (aluminum cases, chain driven, electric Shift)
8 CYL 5.3L 1999 - 2007 NP 246 (aluminum cases, chain driven, electric Shift)
8 CYL 5.7L 1998 - 1999 NP 246 (aluminum cases, chain driven, electric Shift)
8 CYL 6.0L 1999 - ON NP 246 (aluminum cases, chain driven, electric Shift)
8 CYL 7.4L 1998 - 2000 NP 246 (aluminum cases, chain driven, electric Shift)
