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Chevrolet 3764601 Seal

1982-2014 Chevrolet

Customer Questions & Expert Answers (2)
3764601 GM Seal Product Photo 1 of 1
  • Part Description
    Seal, Output Shaft
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number3764601
    Part DescriptionSeal; Seal, Output Shaft
    Item Dimensions4.2 x 2.4 x 0.7 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU3764601
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1985-2005 Chevrolet Astro4 Cyl 2.5L, 6 Cyl 4.3LVAN ASTRO
    2002-2009 Chevrolet Avalanche8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L1/2 TON
    1985-1992 Chevrolet Blazer6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel1/2 TON
    1985-1986 Chevrolet C106 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L DieselREGULAR CAB LONG BOX, REGULAR CAB STANDARD BOX
    1988-1998 Chevrolet C15006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4LC1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
    1985-1986 Chevrolet C206 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4LCREW CAB, REGULAR CAB
    1988-1998 Chevrolet C25006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4LC2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1985-1986 Chevrolet C306 Cyl 4.8L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4LCAB CHASSIS 135.5, CAB CHASSIS 159.9, CREW CAB, REGULAR CAB
    1988-1991 Chevrolet C35008 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4LC3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 EXTENDED CAB, C3500 REGULAR CAB
    1982-1983 Chevrolet Caprice6 Cyl 3.8L, 8 Cyl 4.4L, 8 Cyl 5.0L, 8 Cyl 5.7L Diesel4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON
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  • Customer Questions & Expert Answers

    Q:
    Is it correct part number for my vehicle?
    A:
    You can Select Your Vehicle to check if 3764601 fits your vehicle.
    Posted and answered by GM Parts Specialist Ed
    Q:
    How to replace Transfer Case Seal on Chevrolet Caprice? Posted by Shearon S.
    A:
    It is possible to make this operation on the transmission while it is still mounted on the car in question. Park the car over a raised platform, or otherwise lift it on a jack but have it supported by jack stands. Remove the gearbox shaft connection to the driveshaft and use a screwdriver or a chisel to remove the bad rubber seal. Paint gasket sealer all the way around the outside edge of the new seal, place the piece of pipe or a socket over the sealer and tap it with a hammer until the new seal is installed. Last, but not least, fit in the driveshaft of the vehicle and check the fluid quantity in the transmission unit.
    You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Jan 17, 2026

Genuine GM Part 3764601, the Right Choice

To ensure reliability, purchase GM part # 3764601 Seal. It is sometimes referred to as Chevrolet Transfer Case Seal, Chevrolet Automatic Transmission Seal. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Chevrolet Blazer, Silverado, Tahoe models.

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