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Chevrolet 15661460 Extension Seal

1988-2005 Chevrolet

Customer Questions & Expert Answers (3)
15661460 GM Extension Seal Product Photo 1 of 1
  • Part Description
    Seal, Transfer Case
  • Position
    Rear
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number15661460
    Part DescriptionExtension Seal; Seal, Transfer Case
    Item Dimensions4.0 x 3.9 x 1.9 inches
    Item Weight0.40 Pounds
    PositionRear
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU15661460
    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
    1992-2005 Chevrolet Blazer6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel1/2 TON, 2 DOOR, 4 DOOR
    1988-1999 Chevrolet K15006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L DieselK1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
    1988-2000 Chevrolet K25006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 6.5L Diesel, 8 Cyl 7.4LK2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
    1988-1991 Chevrolet K35008 Cyl 5.7L, 8 Cyl 6.2L Diesel, 8 Cyl 7.4LK3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 EXTENDED CAB, K3500 REGULAR CAB
    1995-2004, 1992-1993 Chevrolet S104 Cyl 2.2L, 4 Cyl 2.2L Flex, 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L2 DOOR, 4 DOOR, CREW CAB, PICKUP, PICKUP EXTENDED CAB
    1992-1999 Chevrolet Suburban8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L1/2 TON, 3/4 TON
    1995-1999 Chevrolet Tahoe8 Cyl 5.7L, 8 Cyl 6.5L DieselCLASSIC 2 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 15661460 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How can you remove the oil seal and Transfer Case Seal from the transmission during the repair of the 1999 GMC Jimmy? Posted by Derawn K.
    A:
    To remove the oil seal and bushing, remove the driveshaft and carefully tap the dust shield (if equipped) to the rear and remove it from the transmission. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Syed / May 04, 2022
    Q:
    What are the steps for reinstalling the U-joint flange and dust shield (if equipped) along with the Transfer Case Seal for the 1998 GMC Sonoma? Posted by Maryjo G.
    A:
    Reinstall the U-joint flange and nut (if equipped) and tighten the nut to the torque specifications. Reinstall the dust shield (if equipped) by carefully tapping it into place. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Jul 28, 2025

Genuine GM Part 15661460, the Right Choice

To ensure reliability, purchase GM part # 15661460 Extension Seal. It is sometimes referred to as Chevrolet Transfer Case 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, S10, Tahoe models.

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