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2010 GMC Sierra 3500 HD
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OEM (Genuine) 2010 GMC Sierra 3500 HD Gasket-Crankshaft Rear Oil Seal Housing
PartNumber: 12639249
Product Specifications- Notes: Silverado, Sierra
- Item Dimensions: 11.3 x 10.9 x 0.2 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12633578, 12553460, 12593587, 12559769, 12574293
- Part Description: 2010 GMC Sierra 3500 HD Gasket-Crankshaft Rear Oil Seal Housing
Vehicle Fitment- 2010 GMC Sierra 3500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
$40.31 MSRP:$60.16You Save: $19.85 (33%)
FAQ for Engine Main Bearing Gasket Repair
Q: How to remove the Crankshaft Rear Oil Seal?
A:
You should remove the automatic transmission flexplate and then remove and discard the crankshaft rear oil seal.
By Bob
GM Specialist
01/11/2022Q: How to install the Crankshaft Rear Oil Seal?
A:
You should install the J 41479 cone and bolts onto the rear of the crankshaft, install the rear oil seal onto the tapered cone, push the seal to the rear seal bore, install the oil seal with the part number markings facing away from the engine, align the oil seal into the tool, rotate the handle of the tool clockwise and then install the automatic transmission flexplate.
By Bob
GM Specialist
01/11/2022