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Access Jeep  wiring diagrams and repair procedures. Learn how to repair, install or remove a part, reset engine lights...
 
Jeep 258 Engine (L6, 258 cid, 4.2L)
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This Jeep 258/4.2L engine/motor can fit the DJ5, Jeepster, Cherokee, CJ6, CJ5, Wagoneer, J-2600, J-2500, J10, J20, Pickup, Wrangler, CJ7, Grand Wagoneer, Scrambler and some other Jeep car and/or truck applications - for more details see your automobile manual.

1987 - 1990

1987 Jeep 258 Block #444, Head #661, Crank #727, snout 2.100".
Engine DescriptionSizeVINPrice/Core
1987 Jeep 258 Block #444, Head #661, Crank #727, snout 2.100".

258/4.2LC$1,370/$400
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1986

1986 Jeep 258 Block #444. Head #480, 656, 000. Valve cover bolts thru center of cover.
Engine DescriptionSizeVINPrice/Core
1986 Jeep 258 Block #444. Head #480, 656, 000. Valve cover bolts thru center of cover.

258/4.2LC$1,370/$400
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1981 - 1985

1981-1985 Jeep 258 Block #444, Head #000. 5 Bolts around outside of valve cover & 2 thru center
Engine DescriptionSizeVINPrice/Core
1981-1985 Jeep 258 Block #444, Head #000. 5 Bolts around outside of valve cover & 2 thru center

258/4.2LC$1,370/$400
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1980

1980 Jeep 258 Block #077, Head #258
Engine DescriptionSizeVINPrice/Core
1980 Jeep 258 Block #077, Head #258

258/4.2LC$1,370/$300
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1975 - 1979

1976 Jeep 258 Block #445,  098
Engine DescriptionSizeVINPrice/Core
1976 Jeep 258 Block #445, 098

258/4.2L$1,370/$300
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1971 - 1974

1973 Jeep 258 Bolt on Rockers
Engine DescriptionSizeVINPrice/Core
1973 Jeep 258 Bolt on Rockers

258/4.2L$1,402/$300
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For troubleshooting tips and repair information on the Jeep 258/4.2L engine, please visit our Information page.