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1978 OMC Stern Drive 240 - 990250P

CRANKCASE GROUP 240 HP MODELS section

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Reference numbers in this diagram are listed below — scroll down to order. ALL PARTS LISTED ARE GENUINE OEM.

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1978 OMC Stern Drive 240 - 990250P CRANKCASE GROUP 240 HP MODELS section
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1978 OMC Stern Drive 240 - 990250P - CRANKCASE GROUP 240 HP MODELS section


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Product availability is updated on this page every 24 hours. Add an item to the shopping cart to view it's current status

Required quantity shown is the quantity used per assembly. Prices are based on a quantity of one and all items are sold individually.

D7JE-6009-
 -
← D7JE-6009-AA

CYLINDER ASSEMBLY

CYLINDER ASSEMBLY
Leaves in 3-5 days
5+ Items in stock
Required: 1
1
 -
← D5JE-6010-CC

BLOCK ASSEMBLY

BLOCK ASSEMBLY
Leaves in 3-5 days
5+ Items in stock
Required: 1
2
 -
← D2JE-6250-BA

CAMSHAFT ASSEMBLY

CAMSHAFT ASSEMBLY
Leaves in 3-5 days
5+ Items in stock
Required: 1
12
 -
← C3AZ-6148-F

PISTON RING STANDARD

PISTON RING STANDARD
Leaves in 3-5 days
5+ Items in stock
Required: 4
12
 -
← C2AZ-6148-G

PISTON RING,.020" OVERSIZE

PISTON RING,.020" OVERSIZE
Leaves in 3-5 days
5+ Items in stock
Required: 4
12
 -
← C3AZ-6148-H

PISTON RING,.030" O./S

PISTON RING,.030" O./S
Leaves in 3-5 days
5+ Items in stock
Required: 4
14
 -
← B2AZ-6135-A

WRIST PIN STANDARD

WRIST PIN STANDARD
Leaves in 3-5 days
5+ Items in stock
Required: 1
14
 -
← B2AZ-6135-B

WRIST PIN, .001'OVERSIZE

WRIST PIN, .001'OVERSIZE
Leaves in 3-5 days
5+ Items in stock
Required: 1
15
 -
← D5UZ-6200-A

ROD ASSEMBLY

ROD ASSEMBLY
Leaves in 3-5 days
5+ Items in stock
Required: 8
17
 -
← C9AZ-6212-B

NUT, CONNECTOR ROD

NUT, CONNECTOR ROD
Leaves in 3-5 days
5+ Items in stock
Required: 16
18
 -
← C9AZ-6214-B

BOLT, CONNECTOR ROD

BOLT, CONNECTOR ROD
Leaves in 3-5 days
5+ Items in stock
Required: 16
19
 -
← C30Z-6288-A

CHAIN, TIMING

CHAIN, TIMING
Leaves in 3-5 days
5+ Items in stock
Required: 1
20
 -
← C50Z-6306-A

SPROCKET, C'SHAFT

SPROCKET, C'SHAFT
Leaves in 3-5 days
5+ Items in stock
Required: 1
21
 -
← DOAZ-6310-A

SLINGER, C'SHAFT OIL

SLINGER, C'SHAFT OIL
Leaves in 3-5 days
5+ Items in stock
Required: 1
22
 -
← D2AZ-6303-C

CRANKSHAFT ASSEMBLY

CRANKSHAFT ASSEMBLY
Leaves in 3-5 days
5+ Items in stock
Required: 1
23
 -
← D0OZ-6701-A

SEAL, C'SHAFT, REAR

SEAL, C'SHAFT, REAR
Leaves in 3-5 days
5+ Items in stock
Required: 2
26
 -
← 372854-S

KEY, SPROCKET TO C'SHAFT

KEY, SPROCKET TO C'SHAFT
Leaves in 3-5 days
5+ Items in stock
Required: 1
27
 -
← B8A-6378-A

WASHER, C'SHAFT PULLEY

WASHER, C'SHAFT PULLEY
Leaves in 3-5 days
5+ Items in stock
Required: 1
33
 -
← C20Z-6019-A

GASKET, CYLINDER FRONT

GASKET, CYLINDER FRONT
Leaves in 3-5 days
5+ Items in stock
Required: 1
34
0981948 - Coupling & Plug Assembly
0981948
0981948 ← 0981948

COUPLING ASSEMBLY

COUPLING ASSEMBLY
$174.99
You save $75.01. $250.00
Ships Immediately
1 Items in stock
Required: 1
35
0909567 - O-Ring
0909567
0909567 ← 0909567

O-RING, COUPLING

O-RING, COUPLING
$5.50
$5.50
Leaves in 6-8 days
Required: 1
40
0308153 - Armature Terminal Stud Nut
0308153
0308153 ← 0308153

NUT

NUT
$.99
You save 34%. $1.50
Ships Immediately
5+ Items in stock
Required: 2
41
0550757 - Washer
0550757
0550757 ← 0550757

LOCKWASHER

LOCKWASHER
$1.43
You save 5%. $1.50
Leaves in 6-8 days
Required: 1
44
0909514 - Stud
0909514
0909514 ← 0909514

STUD, HOUSING

STUD, HOUSING
$3.80
You save 5%. $4.00
Leaves in 6-8 days
Required: 14
47
0907801 - Nipple
0907801
0907801 ← 0907801

PIE, BLOCK TO COUPLING

PIE, BLOCK TO COUPLING
$9.99
You save 38%. $16.00
Ships Immediately
3 Items in stock
Required: 1
54
0316365 - Transmission Nut
0316365
0316365 ← 0316365

NUT< STUD

NUT< STUD
$.95
You save 5%. $1.00
Leaves in 6-8 days
Required: 4
56
 -
← C3AZ-6375-J

FLYWHEEL SSY

FLYWHEEL SSY
Leaves in 3-5 days
5+ Items in stock
Required: 1
57
 -
← C90Z-6316-A

DAMPER ASSEMBLY, C'SHAFT

DAMPER ASSEMBLY, C'SHAFT
Leaves in 3-5 days
5+ Items in stock
Required: 1
59
 -
← C9JE-6023-A

POINTER, TIMING

POINTER, TIMING
Leaves in 3-5 days
5+ Items in stock
Required: 1
60
 -
← 56126-S2

BOLT, FRONT COVER

BOLT, FRONT COVER
Leaves in 3-5 days
5+ Items in stock
Required: 2
61
 -
← D3AZ-6256-B

SPRKIT, C'SHAFT, 42T

SPRKIT, C'SHAFT, 42T
Leaves in 3-5 days
5+ Items in stock
Required: 1
62
 -
← D0AZ-6287-A

ECCENTRIC, CAMSHAFT, OUTER

ECCENTRIC, CAMSHAFT, OUTER
Leaves in 3-5 days
5+ Items in stock
Required: 1
62
 -
← D5AZ-6287-B

ECCENTRIC, CAMSHAFT, INNER

ECCENTRIC, CAMSHAFT, INNER
Leaves in 3-5 days
5+ Items in stock
Required: 1
63
 -
← C20Z-6278-A

WASHER, CAMSHAFT SPRKIT

WASHER, CAMSHAFT SPRKIT
Leaves in 3-5 days
5+ Items in stock
Required: 1
65
 -
← 384940-S

DOWEL. CAMSHAFT

DOWEL. CAMSHAFT
Leaves in 3-5 days
5+ Items in stock
Required: 1
67
 -
← 378223-S100

BOLT, VLYWHEEL

BOLT, VLYWHEEL
Leaves in 3-5 days
5+ Items in stock
Required: 6
69
 -
← C90Z-6A312-B

PULLEY ASSEMBLY, C'SHAFT

PULLEY ASSEMBLY, C'SHAFT
Leaves in 3-5 days
5+ Items in stock
Required: 1
70
 -
← 56140-S36

BOLT, PULLEY TO BALANCE

BOLT, PULLEY TO BALANCE
Leaves in 3-5 days
5+ Items in stock
Required: 3
71
 -
← D1AZ-6890-A

INSERT, OIL FILTER

INSERT, OIL FILTER
Leaves in 3-5 days
5+ Items in stock
Required: 1
78
 -
← EAD-6397-A

DOWEL, REAR ANG PLATE

DOWEL, REAR ANG PLATE
Leaves in 3-5 days
5+ Items in stock
Required: 2
383445-S
 -
← 383445-S

PLUG, CLEAN OUT HOLES

PLUG, CLEAN OUT HOLES
Leaves in 3-5 days
5+ Items in stock
Required: 10
376301-S
 -
← 376301-S

PLUG, FRT MAIN OIL GALLERY

PLUG, FRT MAIN OIL GALLERY
Leaves in 3-5 days
5+ Items in stock
Required: 0
376099-S
 -
← 376099-S

PLUT, REAR HOLE

PLUT, REAR HOLE
Leaves in 3-5 days
5+ Items in stock
Required: 1
87837-S100
 -
← 87837-S100

PLUG, DRAIN HOLES, BLOCK

PLUG, DRAIN HOLES, BLOCK
Leaves in 3-5 days
5+ Items in stock
Required: 2
81
0909811 - Exhaust Seal Clamp
0909811
0909811 ← 0909811

CLAMP, EXHAUST SEAL

CLAMP, EXHAUST SEAL
$3.99
You save 20%. $5.00
Ships Immediately
1 Items in stock
Required: 2

Required quantity shown is the quantity used per assembly. Prices are based on a quantity of one and all items are sold individually.

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Flat $3.95 Shipping on ALL parts orders

We offer shipping flat $3.95 shipping on ALL parts orders. (Complete Engines, Lower Units and Sterndrives excluded). In addition orders over $89 have reduced cost express shipping available in checkout.

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You can get a rough idea of standard transit times from the map above.