Head & Rocker Arm Group 140 Hp Parts for 1978 OMC Stern Drive 120hp 990243D Stern Drive
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #1 — 980502 — VALVE COVER. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0980502 - Valve Cover [ More info ] Unavailable |
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NLA [ More info ] Unavailable |
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3853784 - Valve Cover - Volvo Penta (3853784) [ More info ]
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| #2 — 908611 — GASKET, CYLINDER HEAD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0908611 - 914812 [ More info ] Unavailable |
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0914812 - Cylinder Head Gasket [ More info ] Unavailable |
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NLA [ More info ] Unavailable |
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3853336 - Gasket Volvo Penta - Volvo Penta (3853336) [ More info ]
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18-2946 - Gasket, 3853336, 27-52364 [ More info ]
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| #3 — 982242 — CYLINDER HEAD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0982242 - Cylinder Head 3.0L GM [ More info ] Unavailable |
| #4 — 311378 — CORE PLUG (2 required per assembly) | ||
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0311378 - Freeze Plug [ More info ]
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3852102 - Core Plug, Volvo [ More info ]
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| #5 — 3814692 — STUD, 0003 O S (0 required per assembly) | ||
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[ More info ] Unavailable |
| #5 — 3815892 — STUD 0013 O S (0 required per assembly) | ||
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[ More info ] Unavailable |
| #6 — 311543 — GROMMET. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0311543 - Valve Cover Grommet [ More info ]
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3852103 - Grommet, Volvo [ More info ]
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| #7 — 311545 — ELBOW. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0311545 - Valve Cover Elbow [ More info ]
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3852104 - Elbow - Volvo Penta (3852104) [ More info ]
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| #10 — 3788417 — BOLT, HEAD TO CRANKCASE (10 required per assembly) | ||
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[ More info ] Unavailable |
| #14 — 180016 — SCREW (5 required per assembly) | ||
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0180016 - - [ More info ] Unavailable |
| #15 — 979826 — SPARK PLUG, AC MR 43T. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (4 required per assembly) | ||
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0979826 - Spark Plug MR43T [ More info ] Unavailable |
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0763819 - Spark Plug MR43T [ More info ] Unavailable |
| #15 — 979827 — SPARK PLUG, CHAMPION RBL 8. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (4 required per assembly) | ||
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0979827 [ More info ] Unavailable Replaced by 0916476 |
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0916476 [ More info ] Unavailable Replaced by 3854400 |
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3854400 - Spark Plug RV15YC4 [ More info ] Unavailable |
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RV15YC4 - Champion Spark Plug ( #18) [ More info ]
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| #16 — 3835333 — SEAL (8 required per assembly) | ||
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[ More info ] Unavailable |
| #17 — 3947770 — LEU (16 required per assembly) | ||
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CUM3947770 - PLATE,COVER [ More info ] Unavailable |
| #18 — 3729363 — CAP (8 required per assembly) | ||
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[ More info ] Unavailable |
| #19 — 3836755 — SHIELD (8 required per assembly) | ||
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VOL3836755 - NLA BALL [ More info ] Unavailable |
| #20 — 3735381 — VALVE SPRING AND DAMPER (8 required per assembly) | ||
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[ More info ] Unavailable |
| #21 — 5723551 — ARM, VALVE ROCKER (8 required per assembly) | ||
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[ More info ] Unavailable |
| #23 — 3744341 — NUT, CONED, 3/8-24 (1 required per assembly) | ||
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[ More info ] Unavailable |
| #25 — 311415 — SCREW, CLAMP CYLINDER HEAD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (2 required per assembly) | ||
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0311415 - Screw, Clamp [ More info ]
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| #26 — 310928 — CLAMP, CYLINDER HEAD, STBD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (2 required per assembly) | ||
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0310928 - Clamp - Cable [ More info ]
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3852092 - Clamp, Volvo [ More info ]
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| #27 — 310439 — CLAMP, HOSE TO VALVE COVER. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0310439 - Hose Clamp [ More info ]
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| #28 — 306834 — SCREW. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (2 required per assembly) | ||
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| #29 — 907852 — CLAMP, FUEL LINE BRACKET. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0907852 [ More info ] Unavailable Replaced by 3852427 |
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3852427 - Clamp - Fuel Line To Bracket [ More info ]
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| #30 — 316659 — NUT, SCREW. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0316659 - Nut [ More info ] Unavailable |
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3852099 - Nut, Volvo [ More info ]
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| #32 — 908605 — BRACKET, CLAMP. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0908605 - Bracket [ More info ] Unavailable |
| #33 — 311111 — LIFT BRACKET. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0311111 - Lift Bracket [ More info ] Unavailable |