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Access Mercury  wiring diagrams and repair procedures. Learn how to repair, install or remove a part, reset engine lights...
 
Mercury 140 Engine (L4, 140 cid, 2.3L)
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This Mercury 140/2.3L engine/motor can fit the Bobcat, Capri, Cougar, Marquis, Zephyr, Topaz and some other Mercury car and/or truck applications - for more details see your automobile manual.

1988 - 1991

1988-1991 Mercury 140 OHV, HSC (High Swirl Combustion). Not HO.
Engine DescriptionSizeVINPrice/Core
1988-1991 Mercury 140 OHV, HSC (High Swirl Combustion). Not HO.

140/2.3LS$1,492/$150
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1987

1987 Mercury 140 OHV, HSC (High Swirl Combustion). Not HO.
Engine DescriptionSizeVINPrice/Core
1987 Mercury 140 OHV, HSC (High Swirl Combustion). Not HO.

140/2.3LS, R$1,492/$150
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1987 Mercury 140 OHV, HSC (High Swirl Combustion). Not HO.
Engine DescriptionSizeVINPrice/Core
1987 Mercury 140 OHV, HSC (High Swirl Combustion). Not HO.

140/2.3LR$1,492/$150
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1985 - 1994

1985-1986 Mercury 140 OHV, HSC (High Swirl Combustion), Block # E43Z. '88 up see 56140-14
Engine DescriptionSizeVINPrice/Core
1985-1986 Mercury 140 OHV, HSC (High Swirl Combustion), Block # E43Z. '88 up see 56140-14

140/2.3LS$1,492/$150
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1985-1986 Mercury 140 Carb, flat bottom intake ports, D shaped combustion chamber
Engine DescriptionSizeVINPrice/Core
1985-1986 Mercury 140 Carb, flat bottom intake ports, D shaped combustion chamber

140/2.3LA$1,292/$200
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1984 - 1986

1984-1986 Mercury 140 OHV, HSC (High Swirl Combustion), Block # E43Z. '88 up see 56140-14
Engine DescriptionSizeVINPrice/Core
1984-1986 Mercury 140 OHV, HSC (High Swirl Combustion), Block # E43Z. '88 up see 56140-14

140/2.3LR, S, X$1,492/$150
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1984 Mercury 140 OHV, HSC (High Swirl Combustion), Block # E43Z. '88 up see 56140-14
Engine DescriptionSizeVINPrice/Core
1984 Mercury 140 OHV, HSC (High Swirl Combustion), Block # E43Z. '88 up see 56140-14

140/2.3L6, E, R, S, X$1,492/$150
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1983

1983 Mercury 140 Turbo, FI, flat bottom intake port, with oil return on left side of block, D shaped combustion chamber
Engine DescriptionSizeVINPrice/Core
1983 Mercury 140 Turbo, FI, flat bottom intake port, with oil return on left side of block, D shaped combustion chamber

140/2.3L6, W, T$1,488/$350
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1983 Mercury 140 Turbo, carb, round intake ports, D shaped combustion chamber
Engine DescriptionSizeVINPrice/Core
1983 Mercury 140 Turbo, carb, round intake ports, D shaped combustion chamber

140/2.3LW$1,488/$350
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1982

1982 Mercury 140 Turbo, carb, round intake ports, D shaped combustion chamber
Engine DescriptionSizeVINPrice/Core
1982 Mercury 140 Turbo, carb, round intake ports, D shaped combustion chamber

140/2.3L6, W, T$1,488/$350
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1979

1979 Mercury 140 Turbo, carb, round intake ports, D shaped combustion chamber
Engine DescriptionSizeVINPrice/Core
1979 Mercury 140 Turbo, carb, round intake ports, D shaped combustion chamber

140/2.3LW, T$1,488/$350
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1975 - 1984

1975 Mercury 140 Passenger car,  Also fits Courier 77-80
Engine DescriptionSizeVINPrice/Core
1975 Mercury 140 Passenger car, Also fits Courier 77-80

140/2.3LB$1,274/$200
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For troubleshooting tips and repair information on the Mercury 140/2.3L engine, please visit our Information page.