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GMC C3500 Automatic Transmission Extension Housing Seal Replacement

1
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  1. ✓ In Stock 1979-1990 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    1979-1990 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    Partslink #: 9613S
    $6.69 View part →
  2. ✓ In Stock 1979-1991 GMC C3500 Automatic Transmission Extension Housing Seal (Timken)

    1979-1991 GMC C3500 Automatic Transmission Extension Housing Seal (Timken)

    Partslink #: 9613S
    $7.12 View part →
  3. ✓ In Stock 1979-1992 GMC C3500 Automatic Transmission Extension Housing Seal (ATP)

    1979-1992 GMC C3500 Automatic Transmission Extension Housing Seal (ATP)

    Partslink #: SO-22

    Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring

    $8.86 View part →
  4. ✓ In Stock 1979-1992 GMC C3500 Automatic Transmission Extension Housing Seal (Pioneer Cable)

    1979-1992 GMC C3500 Automatic Transmission Extension Housing Seal (Pioneer Cable)

    Partslink #: 760009

    Position: Housing To Case O-Ring, Square-Cut - Rear Bearing Retainer To Case O-Ring

    $8.88 View part →
  5. ✓ In Stock 1979-2000 GMC C3500 Automatic Transmission Extension Housing Seal (ATP)

    1979-2000 GMC C3500 Automatic Transmission Extension Housing Seal (ATP)

    Partslink #: JO-57

    w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625"

    $10.47 View part →
  6. ✓ In Stock 1979-2000 GMC C3500 Automatic Transmission Extension Housing Seal (Pioneer Cable)

    1979-2000 GMC C3500 Automatic Transmission Extension Housing Seal (Pioneer Cable)

    Partslink #: 759023

    w/o Boot Width: 0.5625" Outer Diameter: 2.9375" Inner Diameter: 2.0625"

    $10.69 View part →
  7. ✓ In Stock 1979-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    1979-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    Partslink #: 9449
    $11.16 View part →
  8. ✓ In Stock 1979-1992 GMC C3500 Automatic Transmission Extension Housing Seal (ATP)

    1979-1992 GMC C3500 Automatic Transmission Extension Housing Seal (ATP)

    Partslink #: HO-9

    W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output

    $11.72 View part →
  9. ✓ In Stock 1979-1992 GMC C3500 Automatic Transmission Extension Housing Seal (Pioneer Cable)

    1979-1992 GMC C3500 Automatic Transmission Extension Housing Seal (Pioneer Cable)

    Partslink #: 759016

    W/O Boot; W/Flange; W/O Extension Width: 0.5" Outer Diameter: 2.6875" Inner Diameter: 1.75" Position: Output

    $11.74 View part →
  10. ✓ In Stock 1979-1999 GMC C3500 Automatic Transmission Extension Housing Seal (Timken)

    1979-1999 GMC C3500 Automatic Transmission Extension Housing Seal (Timken)

    Partslink #: 9449

    1.89 in. Shaft

    $12.47 View part →
  11. ✓ In Stock 1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    Partslink #: 4583

    with GMC 4L60-E Transmission without Boot

    $12.64 View part →
  12. ✓ In Stock 1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    Partslink #: 4934

    Boot Type with GMC 4L60-E Transmission

    $20.00 View part →
  13. ✓ In Stock 1995-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National)

    1995-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National)

    Partslink #: W0133-2343999
    $21.09 View part →
  14. ✓ In Stock 1993-1994 GMC C3500 Automatic Transmission Extension Housing Seal (ATP)

    1993-1994 GMC C3500 Automatic Transmission Extension Housing Seal (ATP)

    Partslink #: CO-36

    w/ Boot

    $26.24 View part →
  15. ✓ In Stock 1993-1994 GMC C3500 Automatic Transmission Extension Housing Seal (Pioneer Cable)

    1993-1994 GMC C3500 Automatic Transmission Extension Housing Seal (Pioneer Cable)

    Partslink #: 759115

    w/ Boot

    $26.26 View part →
  16. ✓ In Stock 1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (Pioneer Cable)

    1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (Pioneer Cable)

    Partslink #: 759099

    w/ Boot Width: 1.625" Outer Diameter: 3.125" Inner Diameter: 2.0625"

    $28.29 View part →
  17. ✓ In Stock 1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (ATP)

    1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (ATP)

    Partslink #: JO-124

    w/ Boot Width: 1.625" Outer Diameter: 3.125" Inner Diameter: 2.0625"

    $28.31 View part →
  18. ✓ In Stock 1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    Partslink #: 4333N

    Boot Type 1.500 (in) Width with GMC 4L80-E Transmission

    $32.72 View part →
  19. ✓ In Stock 1991-1999 GMC C3500 Automatic Transmission Extension Housing Seal (Timken)

    1991-1999 GMC C3500 Automatic Transmission Extension Housing Seal (Timken)

    Partslink #: 4333N

    Booted

    $37.54 View part →
  20. ✓ In Stock 1995-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National)

    1995-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National)

    Partslink #: W0133-2312082
    $42.96 View part →
  21. ✓ In Stock 1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    1991-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National Bearing)

    Partslink #: 2457

    Over 15,000 (lb) Gross Vehicle Weight (GVW) without Boot

    $54.78 View part →
  22. ✓ In Stock 1995-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National)

    1995-2000 GMC C3500 Automatic Transmission Extension Housing Seal (National)

    Partslink #: W0133-1727208
    $58.81 View part →

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Automatic Transmission Extension Housing Seal Compatibility for GMC C3500

Browse our selection of quality automatic transmission extension housing seal parts designed specifically for your GMC C3500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Base · High Sierra · Sierra · Sierra Classic · Sierra Grande · Sierra SL · Sierra SLE · Sierra SLT · Sierra SLX

Body Types

Cab & Chassis · Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup

Engine Options

L6 4.1L · L6 4.8L · V8 5.0L · V8 5.7L · V8 6.2L · V8 6.5L · V8 6.6L · V8 7.4L

Transmissions

Automatic · Manual

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