Cylinder & Crankcase Parts for 1978 Evinrude 150 hp 150840S Outboard Motor

Revise Search: All Years > 1978 > 150 hp > Evinrude 150840S > Cylinder & Crankcase

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View diagram and parts list below. Tap to zoom. Scroll down to order.
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 — 388807 — CYLINCER C'CASE ASSY., 235 HP. 235 HP MODELS ONLY (1 required per assembly)
		0388807 [ More info ] Unavailable Replaced by 0389500
		0389500 - 394109 V-6 C.CASE [ More info ] Unavailable
		0394109 - V-6 C.CASE [ More info ] Unavailable

#1 — 388516 — CYLINCER C'CASE ASSY., 200 HP. 200 HP MODELS ONLY (1 required per assembly)

0388516 - L/P 634.60 [ More info ]
Unavailable

#1 — 388521 — CYLINDER C'CASE ASSY., 150, 175 HP. 150 & 175 HP MODELS ONLY (1 required per assembly)

0388521 - L/P 1246.35 [ More info ]
Unavailable

#2 — 304178 — PIN, DOWEL BEARING (2 required per assembly)

0304178 - Bearing Dowel [ More info ]

$9.65 $6.35
10+ In Stock.

#3 — 314616 — STUD (4 required per assembly)

0314616 - Stud [ More info ]

$24.98 $16.44
10+ In Stock.

#4 — 305070 — PIN, TAPER (2 required per assembly)

0305070 - Pin [ More info ]

$5.97
10+ In Stock.

#5 — 320808 — STUD, SHIFT LEVER (1 required per assembly)

0320808 [ More info ]
Unavailable
Replaced by 0338653

0338653 - Stud [ More info ]

$26.99
10+ In Stock.

#6 — 316988 — SCREW, LOCKPLATE CYL. TO C'CASE (8 required per assembly)

0316988 - Screw [ More info ]

$5.00
10+ In Stock.

#7 — 322411 — DEFLECTOR, WATER PASSAGE (6 required per assembly)

0322411 - Water Passage Deflector [ More info ]

$7.11
10+ In Stock.

18-0892 - Hose, 322411 [ More info ]

$6.99 $6.04
1 In Stock.

#8 — 320744 — WASHER, STUD (1 required per assembly)

0320744 - Shift Lever Washer [ More info ]

$4.99
10+ In Stock.

#9 — 309577 — LOCKPLATE (2 required per assembly)

0309577 - Lock Plate [ More info ]

$16.31 $8.27
10+ In Stock.

#10 — 324565 — SCREW. 235 HP MODELS ONLY (6 required per assembly)

0324565 - Screw - Exhaust Cover [ More info ]

$2.49
10+ In Stock.

0324813 - Screw [ More info ]

$7.95
2 In Stock.

#11 — 323625 — SEAL, EXHAUST MANIFOLD, 235 HP (1 required per assembly)

0323625 - Seal, Exhaust Manifold [ More info ]
Unavailable

0336429 - Seal, Exhaust Manifold [ More info ]

$55.99
10+ In Stock.

#12 — 307133 — GASKET, BYPASS COVER (6 required per assembly)

0307133 - By-Pass Cover Gasket [ More info ]

$5.11
10+ In Stock.

#13 — 320939 — COVER, BYPASS, LOWER PORT (1 required per assembly)
		0320939 [ More info ] Unavailable Replaced by 0325968
		0325968 - Bypass Cover - 328005 [ More info ] Unavailable
		0328005 - Bypass Cover [ More info ] $31.99 $26.74 10+ In Stock.

#14 — 320940 — COVER, BYPASS (5 required per assembly)

0320940 [ More info ]
Unavailable
Replaced by 0328004

0328004 - Bypass Cover [ More info ]

$33.99 $28.41
10+ In Stock.

#15 — 303806 — TUBING (2 required per assembly)

0303806 - Tubing [ More info ]

$10.99
10+ In Stock.

#16 — 318590 — BUSHING, BELLCRANK & ROD (1 required per assembly)

0318590 - Bushing [ More info ]

$19.99
10+ In Stock.

#17 — 303480 — LOCKWASHER, GROUND STRAP (4 required per assembly)

0303480 - Washer [ More info ]

$0.71
10+ In Stock.

0328701 - LockWasher [ More info ]

$1.32
10+ In Stock.

#18 — 376349 — STRAP, GROUND (1 required per assembly)

0376349 - Lead [ More info ]

$14.29
10+ In Stock.

#19 — 306049 — SCREW, BYPASS COVER (27 required per assembly)

0306049 - Screw [ More info ]

$9.65 $7.05
10+ In Stock.

#20 — 305284 — SCREW, STRAP TO COVER (1 required per assembly)

0305284 - Screw [ More info ]

$2.73
10+ In Stock.

0908158 - Screw [ More info ]

$5.11
10+ In Stock.

3852050 - Screw, Volvo [ More info ]

$4.00
4 In Stock.

#21 — 320745 — GASKET, CYLINDER HEAD (2 required per assembly)
		0320745 - Cylinder Head Gasket [ More info ] Unavailable
		0335360 - Cylinder Head Gasket [ More info ] Unavailable
		0766779 - Head Gasket [ More info ] $47.49 $38.88 5 In Stock.
		0766779 - Head Gasket [ More info ] $47.49 $38.88 5 In Stock.
		18-2964 - Head Gasket 335360 [ More info ] $39.99 $36.39 10+ In Stock.

#22 — 323457 — CYL. HEAD, STBD., 150, 175, 200 HP (1 required per assembly)

0323457 [ More info ]
Unavailable
Replaced by 0325557

0325557 - Cylinder Head, Starboard [ More info ]
Unavailable

#22 — 323873 — CYLINDER HEAD, STBD., 235 HP (1 required per assembly)

0323873 [ More info ]
Unavailable
Replaced by 0325557

0325557 - Cylinder Head, Starboard [ More info ]
Unavailable

#23 — 321028 — GASKET, COVER (2 required per assembly)

0321028 - Water Jacket Cover Gasket [ More info ]

$10.49
10+ In Stock.

#24 — 320840 — COVER, CYLINDER HEAD (2 required per assembly)

0320840 - COVER Cylinder Head [ More info ]
Unavailable

#25 — 306409 — SCREW, CYLINDER HEAD COVER (40 required per assembly)

0306409 - Cover Screw [ More info ]

$9.65
3 In Stock.

#26 — 307267 — SCREW, CYLINDER HEAD (28 required per assembly)

0307267 - Screw, Cyl Head [ More info ]

$15.29 $11.18
10+ In Stock.

#27 — 384771 — SPARK PLUG, CHAMPION UL-77V (6 required per assembly)
		0384771 - Spark Plug UL77V [ More info ] Unavailable
		0502195 - Spark Plug UL77V [ More info ] Unavailable
		UL77V - Champion Spark Plug ( #831M) [ More info ] $12.34 10+ In Stock.
		UL77V - Champion Spark Plug ( #831M) [ More info ] $12.34 10+ In Stock.

#28 — 386686 — TEMPERATURE SWITCH (2 required per assembly)

0386686 - Temperature Switch [ More info ]
Unavailable

#29 — 323456 — CYL. HEAD, PORT, 150, 175, 200 HP (1 required per assembly)

0323456 - L/P 78.85 [ More info ]
Unavailable

#29 — 323872 — CYLINDER HEAD, PORT, 235 HP (1 required per assembly)

0323872 - Cylinder Head, Port 200 [ More info ]

$125.00
1 In Stock.

#30 — 322858 — GASKET, WATER PASSAGE COVER (1 required per assembly)

0322858 - Water Passage Gasket [ More info ]

$4.00
10+ In Stock.

18-2547-9 - Gasket 322858 2-Pack [ More info ]

$5.90 $5.74
Available to Order: Usually ships within 10 days.

#31 — 322859 — COVER, WATER PASSAGE (1 required per assembly)

0322859 [ More info ]
Unavailable
Replaced by 0323896

0323896 - Cylinder Cover [ More info ]

$19.00 $11.55
10+ In Stock.

#32 — 300646 — SCREW, WATER PASSAGE COVER (6 required per assembly)

0300646 - Screw [ More info ]

$9.65 $4.90
10+ In Stock.

#33 — 387281 — BELLCRANK ASSY. (1 required per assembly)

0387281 - Bell Crank [ More info ]

$45.90
1 In Stock.

#34 — 321435 — GASKET, EXH. COVER, 150, 175, 200 HP (1 required per assembly)

0321435 - Exhaust Cover Gasket [ More info ]

$26.49 $17.24
10+ In Stock.

18-2549-9 - Gasket 321435 2-Pack [ More info ]

$10.91 $9.71
In Stock

#34 — 323217 — GASKET, EXHAUST COVER, 235 HP (1 required per assembly)

0323217 [ More info ]
Unavailable
Replaced by 0336430

0336430 - Exhaust Cover Gasket [ More info ]

$18.49
1 In Stock.

#35 — 310525 — PIN, THROTTLE CAM TO YOKE (1 required per assembly)

0310525 - Anchor Pin [ More info ]

$15.29 $10.06
10+ In Stock.

#36 — 320813 — WASHER, SPARK ADVANCE LEVER (1 required per assembly)

0320813 - Washer [ More info ]

$2.99
10+ In Stock.

#37 — 320938 — EXH. COVER, INNER, 150, 175, 200 HP (1 required per assembly)

0320938 [ More info ]
Unavailable
Replaced by 0326308

0326308 - COVER [ More info ]

$226.43
Available to Order: Usually ships within 10 days.

#37 — 323215 — EXHAUST COVER, INNER, 235 HP (1 required per assembly)
		0323215 - Exhaust Cover, Inner, 235 [ More info ] Unavailable
		0329379 [ More info ] Unavailable Replaced by 0336432
		0336432 - Exhaust Manifold [ More info ] Unavailable

#38 — 323360 — COVER, EXHAUST OUTER, 150, 175, 200 HP (1 required per assembly)

0323360 - Outer Exhaust Cover - 150 [ More info ]
Unavailable

0329494 - Exhaust Cover [ More info ]

$125.99
1 In Stock.

#38 — 323213 — COVER, EXHAUST OUTER, 235 HP (1 required per assembly)
		0323213 [ More info ] Unavailable Replaced by 0329495
		0329495 [ More info ] Unavailable Replaced by 0336433
		0336433 - Cover [ More info ] $48.39 $29.43 4 In Stock.

#39 — 321182 — GASKET, INNER COVER, 150, 175, 200 HP (1 required per assembly)

0321182 - Inner Cover Gasket [ More info ]

$16.73
10 In Stock.

18-2545-9 - Gasket 321182 2-Pack [ More info ]

$22.02
Available to Order: Usually ships within 10 days.

#39 — 323216 — GASKET, INNER COVER, 235 HP (1 required per assembly)
		0323216 - Inner Cover Gasket [ More info ] Unavailable
		0326688 [ More info ] Unavailable Replaced by 0328770
		0328770 - Inner Exhaust Cover Gasket, 175HP [ More info ] Unavailable
		0393561 - Inner Exhaust Cover Gasket, 175HP [ More info ] $49.99 7 In Stock.

#40 — 323218 — SCREW, EXHAUST MANF TO CYL., 5" LONG. 235 HP MODELS ONLY (6 required per assembly)

0323218 - Screw - Exhaust Manifold [ More info ]

$33.99 $20.67
10+ In Stock.

#40 — 324429 — SCREW, EXHAUST MANF TO CYL., 1" LONG. 235 HP MODELS ONLY (2 required per assembly)

0324429 [ More info ]
Unavailable
Replaced by 0909533

0909533 - Screw [ More info ]

$6.23
10+ In Stock.

#40 — 319126 — SCREW, EXH MANF TO CYL., 1-3/8" LONG. 235 HP MODELS ONLY (4 required per assembly)

0319126 - Screw [ More info ]

$6.23
10+ In Stock.

#40 — 317952 — SCREW, EXH MANF TO CYL., 1-7/8" LONG. 235 HP MODELS ONLY (4 required per assembly)

0317952 [ More info ]
Unavailable
Replaced by 0323626

0323626 - Screw [ More info ]

$3.77
7 In Stock.

#40 — 317972 — SCREW, EXH MANF TO CYL., 4-1/4" LONG. 235 HP MODELS ONLY (6 required per assembly)

0317972 - Screw, Exh Manifold To Cyl (4-1/4 Inches Long) [ More info ]
Unavailable

#40 — 324424 — SCREW, EXH MANF TO CYL., 2-5/8" LONG. 235 HP MODELS ONLY (3 required per assembly)

0324424 - Exhaust Manifold Cover Screw [ More info ]

$6.59
10+ In Stock.

#40 — 322441 — SCREW, EXH MANF TO CYL., 3"LONG. 235 HP MODELS ONLY (1 required per assembly)

0322441 - SCREW [ More info ]
Unavailable

#40 — 302030 — SCREW, EXH MANF TO CYL., 1-1/4" LONG. 200 HP MODELS ONLY 150 & 175 HP MODELS ONLY (28 required per assembly)

0302030 - Screw, Bracket [ More info ]
Unavailable

0303398 - Screw, NLA [ More info ]

$4.99
10+ In Stock.

#41 — 204046 — NUT, THROTTLE STOP (1 required per assembly)
		0204046 [ More info ] Unavailable Replaced by 0328712
		0328712 - Screw Throttle Nut [ More info ] $7.95 10+ In Stock.
		3852185 - Nut, Volvo [ More info ] $5.10 Available to Order: Usually ships within 10 days.

#42 — 320805 — BUSHING, SHIFT LEVER (1 required per assembly)

0320805 - Shift Lever Bushing [ More info ]
Unavailable

#43 — 322068 — BOLT, DOUBLE END, BYPASS COVER (1 required per assembly)

0322068 - Bolt Double End [ More info ]
Unavailable

#44 — 388529 — SHIFT LEVER & STUD (1 required per assembly)

0388529 - Shift Lever [ More info ]

$29.35
1 In Stock.

#45 — 320768 — BOLT, DOUBLE END (4 required per assembly)

0320768 - Bypass Cover Bolt [ More info ]

$2.00 $1.22
10+ In Stock.

#46 — 552993 — WASHER, BELLCRANK TO CASE (1 required per assembly)

0552993 - Washer [ More info ]

$2.99
10+ In Stock.

0330266 - Washer [ More info ]

$9.65
10+ In Stock.

#47 — 318660 — CAP (1 required per assembly)

0318660 - Throttle Stop Cap [ More info ]

$9.65
4 In Stock.

#48 — 316602 — SCREW, THROTTLE STOP (1 required per assembly)

0316602 - Screw, NLA [ More info ]

$5.00
6 In Stock.

#49 — 314125 — BUSHING, LINK (1 required per assembly)

0314125 - Bushing [ More info ]

$10.70 $7.05
10+ In Stock.

#50 — 306778 — SCREW (20 required per assembly)

0306778 - Retainer Screw [ More info ]
Unavailable

#51 — 318248 — BUSHING, BELLCRANK (2 required per assembly)

0318248 - Bushing, Bellcrank [ More info ]

$20.39 $13.42
10+ In Stock.

#52 — 308993 — SPRING, IDLE ADJUST (1 required per assembly)

0308993 - Idle Adjust Spring [ More info ]

$9.65 $6.35
10+ In Stock.

#53 — 203688 — NUT, IDLE ADJUST (1 required per assembly)

0203688 - Nut [ More info ]

$7.95
10+ In Stock.

#54 — 322357 — SCREW, IDLE ADJUST (1 required per assembly)

0322357 - Screw - Idle Adj [ More info ]

$2.19
10+ In Stock.

#55 — 320836 — LEVER, SPARK ADVANCE (1 required per assembly)

0320836 - Lever Spark Advance [ More info ]
Unavailable

#56 — 387282 — BELLCRANK ASSY. (1 required per assembly)

0387282 - Bellcrank & Pin, NLA [ More info ]

$16.00 $9.73
5 In Stock.

#57 — 305650 — COTTER PIN (4 required per assembly)

0305650 - Cotter Pin [ More info ]

$1.32
10+ In Stock.

3852052 - Cotter Pin - Volvo Penta (3852052) [ More info ]

$1.40
Available to Order: Usually ships within 10 days.

#58 — 310524 — YOKE, THROTTLE CAM (1 required per assembly)

0310524 - Rod to Cam Yoke [ More info ]

$29.69
10+ In Stock.

#59 — 389821 — LEVER, THROTTLE (1 required per assembly)

0389821 - Lever Pin Assembly [ More info ]

$62.99 $38.30
4 In Stock.

#60 — 310441 — CLAMP, LEADS (1 required per assembly)

0310441 - J-Clamp [ More info ]

$4.26 $2.80
10+ In Stock.

#61 — 320811 — BUSHING (1 required per assembly)

0320811 - Throttle Bushing [ More info ]
Unavailable

#62 — 320812 — BUSHING, SPARK LEVER (1 required per assembly)

0320812 - Spark Lever Bushing [ More info ]

$12.99
10+ In Stock.

#63 — 306124 — WASHER, THROTTLE LEVER (1 required per assembly)

0306124 - Throttle Lever Washer [ More info ]

$2.40
5 In Stock.

0320744 - Shift Lever Washer [ More info ]

$4.99
10+ In Stock.

#64 — 321270 — SPRING, THROTTLE LEVER (1 required per assembly)

0321270 - Throttle Lever Spring [ More info ]

$9.00
3 In Stock.

#65 — 320951 — LINK, THROTTLE LEVER (1 required per assembly)

0320951 - Throttle Lever Link [ More info ]
Unavailable

#66 — 303480 — LOCKWASHER, BOLT DOUBLE END (2 required per assembly)

0303480 - Washer [ More info ]

$0.71
10+ In Stock.

0328701 - LockWasher [ More info ]

$1.32
10+ In Stock.

#67 — 301472 — NUT, DOUBLE END BOLT, BYPASS COVER (2 required per assembly)

0301472 - Nut [ More info ]

$1.25
10+ In Stock.

0328740 - Nut [ More info ]

$5.40
Available to Order: Usually ships within 10 days.

#68 — 321886 — ELBOW, INDICATOR (1 required per assembly)

0321886 - Indicator Elbow, 90 Degree [ More info ]

$4.88
10+ In Stock.

18-3290 - Elbow, 321886 [ More info ]

$3.99 $3.71
3 In Stock.

#69 — 204757 — SPRING WASHER (2 required per assembly)

0204757 - Washer [ More info ]

$9.65
Available to Order: Usually ships within 10 days.

#70 — 302474 — WASHER, LINK (3 required per assembly)

0302474 - Washer [ More info ]

$6.42
10+ In Stock.

#71 — 319217 — SUPPORT BRACE, PORT (1 required per assembly)

0319217 - Support Brace, Port [ More info ]

$20.89 $12.71
10+ In Stock.

#72 — 319218 — SUPPORT BRACE, STARBOARD (1 required per assembly)

0319218 - Support Brace [ More info ]

$24.99 $15.20
10+ In Stock.

#73 — 313581 — BUMPER, SUPPORT BRACE (2 required per assembly)

0313581 - Support Brace Bumper [ More info ]

$11.72 $8.56
10+ In Stock.

#74 — 301472 — NUT, LOWER BYPASS COVER (4 required per assembly)

0301472 - Nut [ More info ]

$1.25
10+ In Stock.

0328740 - Nut [ More info ]

$5.40
Available to Order: Usually ships within 10 days.

#75 — 313700 — SOCKET, LINKAGE (2 required per assembly)

0313700 [ More info ]
Unavailable
Replaced by 0395448

0395448 - Joint Kit, Ball and Socket [ More info ]

$11.49
10+ In Stock.

#76 — 313703 — BALL, SOCKET LINKAGE (2 required per assembly)

0313703 - Joint Kit [ More info ]

$3.00
2 In Stock.

0395448 - Joint Kit, Ball and Socket [ More info ]

$11.49
10+ In Stock.

#77 — 320950 — ROD, SPARK ADVANCE (1 required per assembly)

0320950 - Spark Advance Rod [ More info ]
Unavailable

0330116 - Spark Advance Rod [ More info ]
Unavailable

#78 — 320396 — NUT, SHIFT LEVER TO CRANKCASE (1 required per assembly)

0320396 - Lock Nut [ More info ]
Unavailable

0315077 - Lock Nut [ More info ]

$9.65 $6.35
10+ In Stock.

#79 — 309335 — WASHER, NUT, SHIFT LEVER (1 required per assembly)

0309335 - Washer [ More info ]

$8.73 $2.72
10+ In Stock.

#80 — 306482 — WASHER, SHIFT ROD (1 required per assembly)

0306482 - Washer [ More info ]

$6.99
10+ In Stock.

0329241 - Washer [ More info ]

$9.65 $6.35
5 In Stock.

3852193 - Washer, Volvo [ More info ]

$6.00
Available to Order: Usually ships within 10 days.

#81 — 322709 — ROD, SHIFT LEVER TO BELLCRANK (1 required per assembly)

0322709 - ROD [ More info ]
Unavailable

#82 — 554427 — NUT, PIN, BELLCRANK (1 required per assembly)

0554427 - Nut [ More info ]

$5.40
10+ In Stock.

0328064 - Nut [ More info ]

$10.70 $5.42
10+ In Stock.

#83 — 553766 — SPRING WASHER, ROD END (1 required per assembly)

0553766 - Bow Washer [ More info ]

$7.95 $5.24
10+ In Stock.

#84 — 318205 — SCREW, BELLCRANK TO CRANKCASE (1 required per assembly)

0318205 - Shoulder Screw [ More info ]

$67.82 $14.06
10+ In Stock.

#85 — 306418 — SCREW, SUPPORT BRACKET TO BYPASS COVER (4 required per assembly)

0306418 - Screw [ More info ]

$10.70
10+ In Stock.

#86 — 317245 — SPRING, PRESSURE RELEASE VALVE (2 required per assembly)

0317245 - Pressure Relief Valve Spring [ More info ]

$7.34
10+ In Stock.

#87 — 321027 — VALVE, PRESSURE RELEASE (2 required per assembly)

0321027 - Pressure Release Valve [ More info ]

$8.12
10+ In Stock.

#88 — 320880 — SEAT, VALVE (2 required per assembly)

0320880 - Valve Seat [ More info ]

$10.31
10+ In Stock.

#89 — 321222 — WASHER, VALVE (2 required per assembly)

0321222 - Washer, Valve [ More info ]

$13.19
10+ In Stock.

#90 — 310058 — GROMMET, THERMOSTAT (2 required per assembly)

0310058 - Thermostat Seal [ More info ]

$4.00
10+ In Stock.

18-0182-9 - Gasket 27-62386 2-Pack [ More info ]

$4.13 $3.36
Available to Order: Usually ships within 10 days.

#91 — 378065 — THERMOSTAT ASSY. (2 required per assembly)
		0378065 - Thermostat, 143 Degrees [ More info ] Unavailable
		0393659 - Thermostat, 143 Degrees [ More info ] Unavailable
		0437414 - Thermostat, 143 Degrees [ More info ] Unavailable
		0434841 - Thermostat, 143 Degrees [ More info ] Unavailable
		5005440 - Thermostat, 143 Degrees [ More info ] $27.49 $22.51 10+ In Stock.
		18-3543 - Thermostat, 143 Degrees, 5005440, 8330720 [ More info ] $22.39 $20.59 10+ In Stock.