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Automatic Transmission Extension Housing Seal for GMC K25/K2500 Suburban 1974 1973 1972 1971 1970 1969 1968 1967 - ATP Parts JO-57

Automatic Transmission Extension Housing Seal for GMC K25/K2500 Suburban 1974 1973 1972 1971 1970 1969 1968 1967 - ATP Parts JO-57

$15.87 - $15.87
$15.87
$15.87 - $15.87
$15.87
Availability:
5+ in stock, ready to be shipped

Condition: New

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Most orders ship out same business day if ordered before 1pm CST. Return within 30 days for a refund.

Automatic Transmission Extension Housing Seal

Vehicle Compatibility Chart

✅ Compatible with 80 vehicles
Year Make Model Liters Cylinders Notes
1974 GMC K25/K2500 Suburban 4.1L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1974 GMC K25/K2500 Suburban 4.1L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1974 GMC K25/K2500 Suburban 4.8L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1974 GMC K25/K2500 Suburban 4.8L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1974 GMC K25/K2500 Suburban 5.7L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1974 GMC K25/K2500 Suburban 5.7L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1974 GMC K25/K2500 Suburban 7.4L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1974 GMC K25/K2500 Suburban 7.4L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1973 GMC K25/K2500 Suburban 4.1L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1973 GMC K25/K2500 Suburban 4.1L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1973 GMC K25/K2500 Suburban 4.8L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1973 GMC K25/K2500 Suburban 4.8L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1973 GMC K25/K2500 Suburban 5.0L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1973 GMC K25/K2500 Suburban 5.0L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1973 GMC K25/K2500 Suburban 5.7L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1973 GMC K25/K2500 Suburban 5.7L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1973 GMC K25/K2500 Suburban 7.4L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1973 GMC K25/K2500 Suburban 7.4L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1972 GMC K25/K2500 Suburban 4.1L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1972 GMC K25/K2500 Suburban 4.1L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1972 GMC K25/K2500 Suburban 4.8L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1972 GMC K25/K2500 Suburban 4.8L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1972 GMC K25/K2500 Suburban 5.0L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1972 GMC K25/K2500 Suburban 5.0L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1972 GMC K25/K2500 Suburban 5.7L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1972 GMC K25/K2500 Suburban 5.7L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1972 GMC K25/K2500 Suburban 6.6L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1972 GMC K25/K2500 Suburban 6.6L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1971 GMC K25/K2500 Suburban Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1971 GMC K25/K2500 Suburban Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1970 GMC K25/K2500 Suburban 4.1L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1970 GMC K25/K2500 Suburban 4.1L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1970 GMC K25/K2500 Suburban 4.8L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1970 GMC K25/K2500 Suburban 4.8L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1970 GMC K25/K2500 Suburban 5.0L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1970 GMC K25/K2500 Suburban 5.0L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1970 GMC K25/K2500 Suburban 5.7L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1970 GMC K25/K2500 Suburban 5.7L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1970 GMC K25/K2500 Suburban 6.6L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1970 GMC K25/K2500 Suburban 6.6L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1969 GMC K25/K2500 Suburban 4.1L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1969 GMC K25/K2500 Suburban 4.1L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1969 GMC K25/K2500 Suburban 4.8L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1969 GMC K25/K2500 Suburban 4.8L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1969 GMC K25/K2500 Suburban 5.0L V6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1969 GMC K25/K2500 Suburban 5.0L V6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1969 GMC K25/K2500 Suburban 5.0L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1969 GMC K25/K2500 Suburban 5.0L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1969 GMC K25/K2500 Suburban 5.7L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1969 GMC K25/K2500 Suburban 5.7L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1969 GMC K25/K2500 Suburban 6.5L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1969 GMC K25/K2500 Suburban 6.5L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1968 GMC K25/K2500 Suburban 4.1L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1968 GMC K25/K2500 Suburban 4.1L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1968 GMC K25/K2500 Suburban 4.8L L6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1968 GMC K25/K2500 Suburban 4.8L L6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1968 GMC K25/K2500 Suburban 5.0L V6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1968 GMC K25/K2500 Suburban 5.0L V6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1968 GMC K25/K2500 Suburban 5.0L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1968 GMC K25/K2500 Suburban 5.0L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1968 GMC K25/K2500 Suburban 5.3L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1968 GMC K25/K2500 Suburban 5.3L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1968 GMC K25/K2500 Suburban 5.4L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1968 GMC K25/K2500 Suburban 5.4L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1968 GMC K25/K2500 Suburban 5.7L V6 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1968 GMC K25/K2500 Suburban 5.7L V6 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1968 GMC K25/K2500 Suburban 6.5L V8 Fits Automatic Transmission Extension Housing Seal without Boot, with dimensions: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625", compatible with 3L80, THM425, THM475/M40.
1968 GMC K25/K2500 Suburban 6.5L V8 Fits vehicles without boot, with a width of 0.5625", outer diameter of 2.9375", inner diameter of 2.0625"; compatible with 3L80, THM425, and THM475/M40 transmissions.
1967 GMC K25/K2500 Suburban 4.1L L6 Automatic Transmission Extension Housing Seal - no boot, 0.5625" width, 2.9375" outer diameter, 2.0625" inner diameter.
1967 GMC K25/K2500 Suburban 4.1L L6 Fitment: Automatic Transmission Extension Housing Seal without Boot; Measurements: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625"
1967 GMC K25/K2500 Suburban 4.6L V8 Automatic Transmission Extension Housing Seal - no boot, 0.5625" width, 2.9375" outer diameter, 2.0625" inner diameter.
1967 GMC K25/K2500 Suburban 4.6L V8 Fitment: Automatic Transmission Extension Housing Seal without Boot; Measurements: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625"
1967 GMC K25/K2500 Suburban 4.8L L6 Automatic Transmission Extension Housing Seal - no boot, 0.5625" width, 2.9375" outer diameter, 2.0625" inner diameter.
1967 GMC K25/K2500 Suburban 4.8L L6 Fitment: Automatic Transmission Extension Housing Seal without Boot; Measurements: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625"
1967 GMC K25/K2500 Suburban 5.0L V6 Automatic Transmission Extension Housing Seal - no boot, 0.5625" width, 2.9375" outer diameter, 2.0625" inner diameter.
1967 GMC K25/K2500 Suburban 5.0L V6 Fitment: Automatic Transmission Extension Housing Seal without Boot; Measurements: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625"
1967 GMC K25/K2500 Suburban 5.3L V8 Automatic Transmission Extension Housing Seal - no boot, 0.5625" width, 2.9375" outer diameter, 2.0625" inner diameter.
1967 GMC K25/K2500 Suburban 5.3L V8 Fitment: Automatic Transmission Extension Housing Seal without Boot; Measurements: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625"
1967 GMC K25/K2500 Suburban 5.7L V6 Automatic Transmission Extension Housing Seal - no boot, 0.5625" width, 2.9375" outer diameter, 2.0625" inner diameter.
1967 GMC K25/K2500 Suburban 5.7L V6 Fitment: Automatic Transmission Extension Housing Seal without Boot; Measurements: Width 0.5625", Outer Diameter 2.9375", Inner Diameter 2.0625"

Part Attributes

  • ATP

Part Interchanges

14118, 18992, 33006, 46433, 759023, 759149, 8625893, 8626009, 8655031, 9449, ML26, SL81