GMC 250 Engine (L6, 250 cid, 4.1L)

This GMC 250/4.1L engine/motor can fit the K25/K2500 Pickup, K35/K3500 Pickup, K15/K1500 Pickup, G35/G3500 Van, P35/P3500 Van, P15/P1500 Van, G25/G2500 Van, K25/K2500 Suburban, K15/K1500 Suburban, G15/G1500 Van, P25/P2500 Van, C25/C2500 Pickup, C35/C3500 Pickup, Jimmy, C15/C1500 Pickup and some other GMC car and/or truck applications - for more details see your automobile manual.

1979 - 1984

1979 GMC 250 Integral Head, two barrel carb, four hole smog in head.
Engine Description
1979 GMC 250 Integral Head, two barrel carb, four hole smog in head.
Size
VIN
Price/Core
250/4.1L
D
$1,340/$250
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1975 - 1978

1975 GMC 250 With smog, one barrel integral head, valve cover 4-3/4" wide, with A/C.
Engine Description
1975 GMC 250 With smog, one barrel integral head, valve cover 4-3/4" wide, with A/C.
Size
VIN
Price/Core
250/4.1L
D
$1,340/$250
Top

1973 - 1974

1973-1974 GMC 250 Without smog,  three bolt starter, without integral intake manifold.
Engine Description
1973-1974 GMC 250 Without smog, three bolt starter, without integral intake manifold.
Size
VIN
Price/Core
250/4.1L
D
$1,191/$250
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1966 - 1972

1971 GMC 250 Without smog,  two hole starter mount.
Engine Description
1971 GMC 250 Without smog, two hole starter mount.
Size
VIN
Price/Core
250/4.1L
$1,191/$250
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For troubleshooting tips and repair information on the GMC 250/4.1L engine, please visit our Information page.