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Access Mercury  wiring diagrams and repair procedures. Learn how to repair, install or remove a part, reset engine lights...
 
Mercury 351 Engine (V8, 351 cid, 5.8L)
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This Mercury 351/5.8L engine/motor can fit the Montego, Cougar, Grand Marquis, Marquis, Colony Park, Monarch, Cyclone, Comet, Monterey and some other Mercury car and/or truck applications - for more details see your automobile manual.

1989

1989 Mercury 351 Windsor, HO, dipstick in block, Non Roller cam.
Engine DescriptionSizeVINPrice/Core
1989 Mercury 351 Windsor, HO, dipstick in block, Non Roller cam.

351/5.8LG$1,451/$225
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1980 - 1988

1983 Mercury 351 Windsor, HO, All HO's have 4bbl carb, if 2bbl it is NOT HO, non roller.
Engine DescriptionSizeVINPrice/Core
1983 Mercury 351 Windsor, HO, All HO's have 4bbl carb, if 2bbl it is NOT HO, non roller.

351/5.8LH$1,421/$225
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1977

1977 Mercury 351 LPG, Windsor, Smog,  6 intake manifold bolts per head. Psgr car to 85, Truck & van thru 87 with 2 barrell carb.
Engine DescriptionSizeVINPrice/Core
1977 Mercury 351 LPG, Windsor, Smog, 6 intake manifold bolts per head. Psgr car to 85, Truck & van thru 87 with 2 barrell carb.

351/5.8LG$1,320/$225
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1975 - 1979

1975 Mercury 351 Midland, with or without smog.
Engine DescriptionSizeVINPrice/Core
1975 Mercury 351 Midland, with or without smog.

351/5.8LH$1,333/$200
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1970 - 1971

1970-1971 Mercury 351 Cleveland 4 Barrel Carb, R & R Customer’s Engine
Engine DescriptionSizeVINPrice/Core
1970-1971 Mercury 351 Cleveland 4 Barrel Carb, R & R Customer’s Engine

351/5.8LH$1,633/$700
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1969 - 1974

1970 Mercury 351 Cleveland 2 Barrel Carb, No Smog
Engine DescriptionSizeVINPrice/Core
1970 Mercury 351 Cleveland 2 Barrel Carb, No Smog

351/5.8LM$1,507/$300
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1970 Mercury 351 Windsor, No Smog, 8 intake bolts per head.
Engine DescriptionSizeVINPrice/Core
1970 Mercury 351 Windsor, No Smog, 8 intake bolts per head.

351/5.8LH$1,375/$300
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For troubleshooting tips and repair information on the Mercury 351/5.8L engine, please visit our Information page.