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  Mercruiser Sterndrives
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   Upper Unit Components for OMC
    Bearings for OMC Cobra
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    Hardware, Upper Unit for OMC
    Housing Assemblies for OMC Stringer
    Shafts, Upper Unit for OMC
    Universal Joints for OMC Cobra
    Upper Gear Sets-OMC Cobra
    Upper Gear Sets-OMC Stringer
    Upper Gearcase Components for OMC Cobra
    Upper Gearcase for OMC Cobra
    Upper Gearcase Seal Kits-OMC Cobra
    Upper Gearcase Seal Kits-OMC Stringer
    Upper Gearcase Seal Kits-OMC SX
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Home > Sterndrive Parts (Inboard Outboard) > OMC Sterndrives > Upper Unit Components for OMC > Upper Gear Sets-OMC Cobra


Upper Gear Sets-OMC Cobra
Code / Price Name / Description
BPI22520   

$569.95

Sorry, BPI22520 is temporarily backordered. Please check back later.


Quantity in Basket: none
Gear Set, Upper OMC Cobra 5.7L, 5.8L, 86-93, 21:16


Upper Gear Set for 5.7L/5.8L V8 OMC Cobra (1986-1993)
21:16 ratio
OEM: 983825


BPI22540   

$539.95
   
Quantity in Basket: none
Gear Set, Upper, OMC Cobra 86-93, 21:19, 4.3L V6


Upper Gear Set for 4.3L V6 OMC Cobra (1986-1993) 21:19 ratio
OEM: 984012


BPI22560   

$524.95
   
Quantity in Basket: none
Gear Set, Upper OMC Cobra, 21:18 Small Block-V8 86-93


Upper Gear set for an OMC Sterndrive.
This set comes with the Drive Gear, the Driven Gear, and the 4 bearings, and is a 21:18 ratio.
It will fit the following applications:
5.0L (302 C.I.D.) Ford V-8 from 1986-93, 23
L 4-cyl from 1987-90
3.0L 4-cyl from 1986-89.
This item replaces OEM: # 983826.


GLM22520   

$569.95
   
Quantity in Basket: none
Gear Set, Upper OMC Cobra 86-93 5.7L, 5.8L, 21:16


Upper Gear Set for 5.7L/5.8L V8 OMC Cobra (1986-1993) 21:16 ratio
OEM: 983825


GLM22522   

$999.95
   
Quantity in Basket: none
Upper Gear Set Assembly, OMC Cobra 21:16


Upper Gear Assembly
Fits OMC Cobra 5.7L 350 Chevy V8, 5.8L 351 Ford V8
21:16 Ratio
OEM: 983917


GLM22532   

$999.95
   
Quantity in Basket: none
Upper Gear Set Assembly, OMC Cobra 21:17


Upper Gear Assembly
Fits OMC Cobra 5.0L 305 Chevy V8, 5.8L 351 Ford V8 EFI, 7.5L 460 Ford V8
21:17 Ratio
OEM: 983919


GLM22540   

$539.95
   
Quantity in Basket: none
Gear Set, Upper OMC Cobra 86-93, 21:19, 4.3L V6


Upper Gear Set for 4.3L V6 OMC Cobra (1986-1993) 21:19 ratio
OEM: 984012


GLM22542   

$1,009.95
   
Quantity in Basket: none
Upper Gear Set Assembly, OMC Cobra 21:19


Upper Gear Assembly
Fits OMC Cobra 4.3L 262 Chevy V6
21:19 Ratio
OEM: 984013


GLM22544   

$579.95
   
Quantity in Basket: none
Gear Set, Upper, OMC Cobra 86-93 5.0L, 5.8L, 7.5L 21:17


21:17 ratio Upper Unit Gear Set for 1986-1993 OMC Cobra
Fits:
5.0L 305 GM V8
5.8L 351 Ford V8 EFI
7.5L 460 Ford V8
Replaces OEM: 983835
This kit includes the following bearings:
GLM21540 (OEM: 983891)
GLM21541 (OEM: 983892)
GLM21542 (OEM: 983877)
GLM21543 (OEM: 983878)
Along with the 21:17 ratio Gear Set


GLM22560   

$579.95
   
Quantity in Basket: none
Gear Set, Upper OMC Cobra 86-93, 21:18 Small Block-V8


Upper Gear set for an OMC Sterndrive. This set comes with the Drive Gear, the Driven Gear, and the 4 bearings, and is a 21:18 ratio. It will fit the following applications: 5.0L (302 C.I.D.) Ford V-8 from 1986-93, 23.L 4-cyl from 1987-90, and 3.0L 4-cyl from 1986-89. This item replaces OEM: # 983826.


GLM22562   

$1,009.95
   
Quantity in Basket: none
Upper Gear Set Assembly, OMC Cobra 21:18


Upper Gear Assembly
Fits OMC Cobra 4 Cylinder 1987-1990 2.3L, 4 Cylinder 1986-1989 3.0L, 5.0L 302 Ford V8
21:18 Ratio
OEM: 983918


GLM22666   

$359.95
   
Quantity in Basket: none
Gear Set, OMC Stringer and Cobra, Heavy Duty


Heavy Duty Gear Set for OMC Stringer and Cobra
Includes GLM21651 thrust washer*
When all three gears need replacing in your OMC sterndrive the installation of this heavy-duty gear set is highly recommended. The heavy-duty gears can be used with all V6 and V8 OMC sterndrives from 1978-1985 with mechanical shift (not 1978-1980 with hydraulic shift).
It is recommended that a new clutch GLM22625 (this clutch is not included with the gear set) be installed with the heavy-duty gears.

*For model year 1990 OMC increased the prop shaft diameter at the carrier needle bearing (not the prop splines) from 1-3/16 to 1-1/4 inches.
Some older gearcases may be fitted with the new large diameter prop shaft. The large diameter prop shaft utilizes a thrust washer (included with this gear set) between the prop shaft and reverse gear. Discard the thrust washer when using the small diameter prop shaft.