Page 950 - 2021 Sierra Catalog

932
GEAR HOUSINGS
Part No.
18-4804
18-4805
18-4806
OE No.
984770, 986381
984771, 986382
984765, 986380
Description
Upper Gear Housing Complete, 21: 16 Ratio
Upper Gear Housing Complete, 21: 18 Ratio
Upper Gear Housing Complete, 21: 19 Ratio
Application
5.7L(1986-93), 5.8L(1986-89,1991-93)
2.5L (1986-89),3.0L(1986-93),5.0L(1989-93)
Part No.
18-0207 ➀
18-0209 ➀
18-0211 ➀
18-0227 ➀ ➁
18-0229 ➀ ➂
18-1713 ➀
18-02060 ➀ ➃
18-02061 ➀ ➄
18-02062 ➀
18-02063 ➀
O.E. No.
911668
911669, 911670, 911671, 911672, 911673, 911674, 911675, 911676, 911677
911669, 911670, 911671, 911672, 911673, 911674, 911675, 911676, 911678
911678
911679
3852563
911680
911681
911662
911663
Part No.
18-1279
18-1598
18-1599
18-3135
18-4749-9➀
Size
0.010
0.001
0.003
0.003
0.004
0.015
0.005
0.010
0.003
0.005
OE No.
317624
341013
123018
306643
3852568
18-02065 ➀
18-02066 ➀
18-02067 ➀
18-2229
18-2230
18-2231
SCREWS
Application
20, 25, 35 HP (1976-86)
120, 140, 275, 300 HP (1985-86) Cobra Drives
Fits: OMC Cobra (1986-93) without cone clutch
Fits: OMC Cobra (1986-93) without cone clutch
Cobra Drives
For Cover Assembly: (3 Pack)Fits: 2.3L (1987-90), 2.5L (1986), 2.6L (1989), 3.0L (1986-93), 4.3L (1986-93),5.0L (1986-94), 5.7L (1986-92), 5.8L (1989-93), 7.4L (1988)
4.3L, 3.0L high altitude OMC Cobra (1986-93)
➀ PKG of 3, priced per package
18-4801
COMPLETE LOWER UNIT ASSEMBLY Replaces: 5000356
Fits: 85-140hp Crossflow (1978-94) w/o Upper
Driveshaft Primered only
SHIMS
Part No.
O.E. No.
911665
911666
911667
323362
323361
314745
NOTE: For shim sizes larger than .010" use shim 18-0207 and appropriate combination of .001"shim (18-0209), and .003" shim (18-0211) to reach desired shim thickness.
Size
0.010
0.012
0.015
0.003
0.004
0.005
➀ Fits: OMC Cobra (1986-93) without cone clutch ➁ Green
➂ Tan
➃ Blue
➄ Brown
➅ Kit includes 1 each of 18-2229, 18-2230 & 18-2231
18-9876
SHIM GAUGE TOOL Replaces: 349957
MARINE GRADE 316 STAINLESS STEEL WORM GEAR HOSE CLAMPS
All components are manufactured from Marine Grade 316 stainless steel.
These clamps are designed to fit many applications from 5/16" to 7" diameter hoses.
STAINLESS STEEL CLAMPS
Part #
18-710-06-2
18-710-12-2
Diameter Size
5/16" to 7/8"
9/16" to 1 1/4"
Std. #
006
012
Part #
Diameter Size
1 9/16" to 2 1/2"
2 1/2" to 4 1/2"
Std. #
118-710-32-2
032
118-710-10-2
9/16" to 1 1/16"
010
118-710-48-2
2 9/16" to 3 1/2"
048
18-710-64-2
064
18-710-16-2
1 1/16" to 1 1/2"
016
18-710-72-2
3" to 5"
072
118-710-20-2
118-710-104-2
104
118-710-24-2
3/4" to 1 3/4"
1 1/16" to 2"
020
024
5" to 7"
18-4442
ENGINE ALIGNMENT TOOL
Used to verify engine alignment on Cobra models.
18-2100
LINK BELT HEAVY DUTY GIMBAL BEARING Replaces: 983937
Uses seal 18-8349
Fits all OMC Cobra and King Cobra Drives
18-3763
SHIFT SHAFT Replaces: 322941 For: V-4/V-6, Cobra, Stringer
I/O — OMC STERNDRIVE/COBRA - Drive System