Parts for MerCruiser 140 GM 181 I / L4 1972-1978 Exhaust Manifold Assembly

Revise Search: All Models > 140 GM 181 I / L4 1972-1978 > 3332138 - 5157668 > Exhaust Manifold Assembly

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Each product listed is an OEM or aftermarket equivalent part. [ Example ]

Engine section

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

#1	52390A 1	EXHAUST MANIFOLD ASSEMBLY (1 required per assembly)
		52390A 1 - Manifold [ More info ] Unavailable
		96705A 1 - Manifold Assembly [ More info ] $1,087.14 Available to Order: Usually ships within 10 days.
		18-1955-1 - Manifold, 96705A1 for Rochester - See Detail Page for Important Info [ More info ] $687.72 1 In Stock.
		MC-1-96705 -MerCruiser Exhaust Manifold 4Cyl. See Detail Page [ More info ] $730.00 $559.76 3 In Stock.
		MC-1-52390 -MerCruiser Exhaust Manifold 4 Cylinder [ More info ] $699.00 $512.90 3 In Stock.
#2	16-49545	STUD, EXHAUST MANIFOLD TO EXHAUST ELBOW (1 3/4") (4 required per assembly)
		16-49545 - Stud - Priced Individually [ More info ] Unavailable
		168M0204664 - STUD Note: Priced Individually [ More info ] $2.90 2 In Stock.
#3	22-68307	PLUG, PIPE - EXHAUST MANIFOLD (1/8-27) (1 required per assembly)
		22-68307 - Plug [ More info ] $11.80 $10.03 10+ In Stock.
#4	22-48118	PLUG, EXHAUST MANIFOLD (1 required per assembly)
		22-48118 - Plug, NLA [ More info ] $11.10 10+ In Stock.
#5	22-32561	PLUG, PIPE - EXHAUST MANIFOLD (1/4-18) (1 required per assembly)
		22-32561 - Plug - Priced Individually [ More info ] $4.43 10+ In Stock.
		22-8M0204652 - PLUG @2 [ More info ] Unavailable
#6	32-53370	TUBE, HEAT - EXHAUST MANIFOLD (1 required per assembly)
		32-53370 - Tubing, NLA [ More info ] $24.99 10+ In Stock.
#7	10-33231	SCREW, PLUG - EXHAUST MANIFOLD (1/2") (2 required per assembly)
		10-33231 - Screw [ More info ] Unavailable
		10-98257 - Screw [ More info ] $1.10 10+ In Stock.
#8	10-52143	SCREW, EXHAUST MANIFOLD TO CYLINDER HEAD (4 3/4") (4 required per assembly)
		10-52143 - Screw, NLA [ More info ] $4.43 10+ In Stock.
#9	12-20553	WASHER, EXHAUST MANIFOLD SCREW (6 required per assembly)
		12-20553 - Washer - Priced Individually [ More info ] $1.40 10+ In Stock.
#10	16-52093	STUD, EXHAUST MANIFOLD TO CYLINDER HEAD (5 1/4") (2 required per assembly)
		16-52093 - Stud, NLA [ More info ] $7.78 10+ In Stock.
#11	11-49838	NUT, EXHAUST MANIFOLD STUD (2 required per assembly)
		11-49838 - Nut - Priced Individually [ More info ] $1.10 10+ In Stock.
#12	60252	END CAP/CONNECTOR, EXHAUST MANIFOLD (FRONT) (1 required per assembly)
		60252 - End Cap [ More info ] $25.00 2 In Stock.
		60252A 2 - End Cap Assembly [ More info ] $155.25 Available to Order: Usually ships within 10 days.
		18-4009 - End Cap, 60252A 2 [ More info ] $76.99 $69.75 2 In Stock.
		1-60252 - Mercruiser Exhaust Manifold Front End Cap Connector [ More info ] $59.99 $46.01 7 In Stock.
#13	27-48043 1	GASKET, END CAP/CONNECTOR TO EXHAUST MANIFOLD (1 required per assembly)
		27-48043 1 - Gasket - Priced Individually [ More info ] $5.30 10+ In Stock.
#14	10-25038	SCREW, END CAP/CONNECTOR TO EXH. MANIFOLD (7/8")- (4 required per assembly) SERIAL 00000000-04481625
		10-25038 - Screw - Priced Individually [ More info ] Unavailable
		10-23703 - Screw, NLA [ More info ] $2.49 10+ In Stock.
#14	10-24234	SCREW, END CAP/CONNECTOR TO EXH. MANIFOLD (1") (4 required per assembly) SERIAL 04481626-09999999
		10-24234 - Screw - Priced Individually [ More info ] Unavailable
		10-35386 - Screw - Priced Individually [ More info ] $1.10 10+ In Stock.
#15	54-60517	CLAMP, WIRING HARNESS TO EXHAUST MANIFOLD (3/8") (1 required per assembly) SERIAL 03332138-03462607
		54-60517 - CLAMP,NLA [ More info ] Unavailable
#15	54-60516	CLAMP, WIRING HARNESS TO EXHAUST MANIFOLD (9/16") (1 required per assembly) SERIAL 03332138-03462607
		54-60516 - Clamp [ More info ] $6.00 1 In Stock.
#16	10-29240	SCREW, WIRING HARNESS CLAMP FASTENING (5/8") (2 required per assembly) SERIAL 03332138-03462607
		10-29240 - Screw - Priced Individually [ More info ] Unavailable
		10-32228 - Screw - Priced Individually [ More info ] $1.70 10+ In Stock.
#17	12-24676	WASHER, WIRING HARNESS CLAMP SCREW (3 required per assembly) SERIAL 03462608-09999999
		12-24676 - Washer, (.200 X .440 X .032) [ More info ] $1.40 Available to Order: Usually ships within 10 days.
#18	54870	END CAP, EXHAUST MANIFOLD (REAR) (3 required per assembly) SERIAL 00000000-04481625
		54870 - End Cap [ More info ] Unavailable
		73813A 1 - End Cap Assembly [ More info ] $48.47 1 In Stock.
		1-73813 - MerCruiser Rear End Cap Gasket [ More info ] $27.50 $22.08 2 In Stock.
		1-54870 - Read End Cap [ More info ] $61.00 $46.77 1 In Stock.
#18	73813A 1	END CAP, EXHAUST MANIFOLD (REAR) (1 required per assembly) SERIAL 04481626-09999999
#19	27-73814	GASKET, END CAP TO EXHAUST MANIFOLD (1 required per assembly) SERIAL 04481626-09999999
		27-73814 - End Cap Gasket [ More info ] $3.32 10+ In Stock.
		27-73814 1 - Gasket - Priced Individually [ More info ] Unavailable
		27-807218 - End Cap Gasket [ More info ] $4.50 Available to Order: Usually ships within 10 days.
		MC47-27-73814 - GASKET-MANIFOLD END CAP [ More info ] $7.00 $5.37 Available to Order: Usually ships within 10 days.
#20	10-25299	SCREW, END CAP TO EXHAUST MANIFOLD (3/4") (4 required per assembly) SERIAL 04481626-09999999
		10-25299 - Screw - Priced Individually [ More info ] $0.40 10+ In Stock.
#21	27-53354	GASKET, EXHAUST MANIFOLD TO CYLINDER HEAD (1 required per assembly)
		27-53354 - Exhaust Manifold To Cylinder Head Gasket [ More info ] $17.30 In Stock
		18-2912-1 - Gasket [ More info ] $18.99 $17.38 1 In Stock.
#22	60426A 1	EXHAUST ELBOW ASSEMBLY (1 required per assembly) SERIAL 00000000-04512155
		60426A 1 - Elbow [ More info ] Unavailable
		76351A 1 - Elbow [ More info ] Unavailable
		76351A 2 - Elbow Assembly [ More info ] Unavailable
		76351A04 - Exhaust Elbow [ More info ] $374.00 Available to Order: Usually ships within 10 days.
		MC-20-76351 - MerCruiser Exhaust Elbow/Riser [ More info ] $319.99 $230.04 In Stock
		MC-20-60426 - MerCruiser Exhaust Elbow/riser [ More info ] $313.99 $240.26 2 In Stock.
#22	76351A 1	EXHAUST ELBOW ASSEMBLY (1 required per assembly) SERIAL 04512156-09999999
#23	32-58616A 1	TUBE, WATER SEPERATION - EXHAUST ELBOW (1 required per assembly) SERIAL 00000000-04512155
		32-58616A 1 - Tube Assembly [ More info ] Unavailable
		32-58616A 2 - Tubing [ More info ] $157.69 10+ In Stock.
#25	22-33198	PLUG, EXHAUST ELBOW (4 required per assembly)
		22-33198 - Plug [ More info ] Unavailable
		22-33198A 1 - Plug [ More info ] Unavailable
		22-41622 - Pipe Plug [ More info ] Unavailable
		22-41622 3 - Pipe Plug [ More info ] $3.40 Available to Order: Usually ships within 10 days.
		18-4258 - Pipe Plug, 3/4 x 14 [ More info ] $5.79 Available to Order: Usually ships within 10 days.
#26	27-99777 2	GASKET, EXHAUST ELBOW TO EXHAUST MANIFOLD (1 required per assembly)
		27-99777 2 - Gasket - Priced Individually [ More info ] $4.40 10+ In Stock.
		27-99777Q02 - Gasket [ More info ] $6.40 6 In Stock.
#27	13-37459	LOCKWASHER, EXHAUST ELBOW TO EXHAUST MANIFOLD STUD (4 required per assembly)
		13-37459 - LockWasher , Priced Individually [ More info ] Unavailable
		13-35048 - LockWasher - Priced Individually [ More info ] $1.20 10+ In Stock.
#29	32-47642	HOSE ASSEMBLY, INLET - WATER DISTRIBUTION BLOCK TO DRIVE UNI (1 required per assembly)
		32-47642 - Hose -49 Inch [ More info ] $28.41 10+ In Stock.
#30	54-32523	CLAMP, INLET HOSE TO WATER DISTRIBUTION BLOCK AND DRIVE UNIT (2 required per assembly)
		54-32523 - Hose Attaching Clamp [ More info ] Unavailable
		54-815504310 - Clamp [ More info ] $17.30 1 In Stock.
#31	47587A 2	BLOCK ASSEMBLY, WATER DISTRIBUTION - CYLINDER HEAD (1 required per assembly) SERIAL 03332138-03462607
		47587A 2 - Thermostat Housing Assembly [ More info ] Unavailable
		861493A 3 - Thermostat Housing Assembly [ More info ] Unavailable
		861493A07 - Thermostat Housing Kit [ More info ] $177.08 In Stock
		MC-29-60372 - Upper Thermostat Housing [ More info ] $62.99 $47.71 7 In Stock.
		MC-29-47587 - Lower Thermostat Housing [ More info ] $68.99 $52.82 5 In Stock.
#32	22-32803	PLUG, PIPE - WATER DISTRIBUTION BLOCK (1 required per assembly) SERIAL 03332138-03462607
		22-32803 - Plug [ More info ] $4.99 1 In Stock.
		228M0180565 - PLUG [ More info ] $7.70 Available to Order: Usually ships within 10 days.
		18-4264 - Pipe Plug, 3/8-18 NPT [ More info ] $5.49 $4.15 4 In Stock.
#31	63908A 2	BLOCK ASSEMBLY, WATER DISTRIBUTION (1 required per assembly) SERIAL 03462608-09999999
		63908A 2 - BLOCK ASSY [ More info ] Unavailable
#34	27-814680	GASKET, WATER DISTRIBUTION BLOCK (1 required per assembly)
		27-814680 - Water Distribution Block Gasket [ More info ] Unavailable
		27-814680 1 - Thermostat Housing Gasket [ More info ] $4.00 10+ In Stock.
#35	10-21077	SCREW, WATER DISTRIBUTION BLOCK TO CYLINDER HEAD (7/8") (2 required per assembly)
		10-21077 - Screw, NLA [ More info ] $2.21 10+ In Stock.
#36	22-53509	ELBOW, WATER DISTRIBUTION BLOCK (1 required per assembly)
		22-53509 - Elbow, NLA [ More info ] $10.00 10+ In Stock.
#37	59078	THERMOSTAT (1 required per assembly)
		59078 - Thermostat, 140 Degrees [ More info ] $38.83 5 In Stock.
		18-3550 - Thermostat, 140 Degrees, 59078 [ More info ] $33.89 $30.67 4 In Stock.
		59078Q 3 - Thermostat, 140 Degress, Priced Individually [ More info ] $37.47 8 In Stock.
#38	27-47590	GASKET, THERMOSTAT COVER (1 required per assembly)
		27-47590 - Thermostat Cover Gasket [ More info ] $2.21 10+ In Stock.
		27-47590 1 - Gasket - Priced Individually [ More info ] $3.30 10+ In Stock.
#39	60372A 1	COVER ASSEMBLY, THERMOSTAT - WATER DISTRIBUTION BLOCK (1 required per assembly)
		60372A 1 - Cover Assembly [ More info ] Unavailable
		60372A 2 - Thermostat Cover Assembly [ More info ] Unavailable
#40	10-60374	SCREW, THERMOSTAT COVER ATTACHING (1 3/4") (2 required per assembly)
		10-60374 - Screw [ More info ] Unavailable
		10-75206 - Screw [ More info ] Unavailable
		10-881892 - Screw [ More info ] $3.60 Available to Order: Usually ships within 10 days.
#41	12-36533	WASHER, THERMOSTAT COVER SCREW (1 required per assembly)
		12-36533 - Washer [ More info ] $1.40 Available to Order: Usually ships within 10 days.
#42	10-52447	SCREW, THERMOSTAT COVER ATTACHING (2 1/4") (1 required per assembly) SERIAL 03462608-03771644
		10-52447 - Screw - Priced Individually [ More info ] Unavailable
		10-67450 - Screw - Priced Individually [ More info ] $3.88 10+ In Stock.
#43	32-52481	HOSE, WATER DISTRIBUTION BLOCK TO END CAP/CONNECTOR (1 required per assembly)
		32-52481 - Hose - Housing To End Cap [ More info ] Unavailable
		18-70930 - Hose, 32-52481 [ More info ] $34.99 $29.57 In Stock
#44	54-32780	CLAMP, HOSE TO WATER DISTRIBUTION BLOCK AND END CAP/CONNECTO (2 required per assembly)
		54-32780 - Clamp [ More info ] Unavailable
		54-815504220 - Clamp [ More info ] $7.30 Available to Order: Usually ships within 10 days.
#45	32-47640	HOSE, WATER DISTRIBUTION BLOCK TO WATER PUMP (1 required per assembly)
		32-47640 - Hose - Water Distribution Block To Water Pump [ More info ] Unavailable
		32-96879 - Hose - Housing To Water Pump [ More info ] Unavailable
		32-8M0071007 - Hose [ More info ] $44.97 5 In Stock.
		18-70931 - Hose, 32-96879, 311075 [ More info ] $36.99 $33.51 5 In Stock.
#46	54-32781	CLAMP, HOSE TO WATER DISTRIBUTION BLOCK AND WATER PUMP (2 required per assembly)
		54-32781 - Hose Attaching Clamp [ More info ] Unavailable
		54-815504228 - Clamp [ More info ] $19.90 Available to Order: Usually ships within 10 days.
#47	32877	COVER, WATER PUMP SERIAL # THRU (1 required per assembly) SERIAL 03332138-03462607
		32877 - Cover [ More info ] $7.70 $4.32 10+ In Stock.
#48	54-38426	CLAMP, WATER PUMP COVER TO WATER PUMP (1 required per assembly) SERIAL 03332138-03462607
		54-38426 - Clamp [ More info ] Unavailable
		54-43510 - Clamp [ More info ] Unavailable
		54-815504412 - Clamp [ More info ] Unavailable
		54-8M0204717 - CLAMP [ More info ] Unavailable