OMC Parts / OMC Cobra Stern Drive Tech Drawings

OMC Cobra rebuilt upper gear housing

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Rebuilt OMC Cobra upper gear case housing assembly
  • Rebuilt OMC Cobra upper housing
  • New upper housing assemblies are also available
  • For years 1986 thru 1989 and 1990 (4 cylinder 2.3L) and 1990 thru 1993 (4 cylinder 3.0L)
  • Compatible with all (4.3L V6) and (5.0L - 7.5L V8)
  • Engine compatibility, gear ratio and OEM cross reference number chart
  • Includes new complete water pump
  • Ratios: 21:16, 21:18, 21:17, and 21:19
  • NOTE: U-Joint and Yoke upper gearcase components are NOT included in the complete upper assembly
  • Complete Cobra lower gear housing assembly also available
  • Warranty (1 year parts and labour) see our service procedure for more information.
  • Customer has up to 90 day to return old unit (core). Note please use same shipping box to return core and ship UPS
*Note U-Joint and Yoke not included
W-Cobra-upper-gearcase-1.jpg
Complete Cobra upper gear housing assembly with water pump

Core charge of $360 is refunded off the purchase price after trade in is received.

Engine

# of teeth on original gears

Core unit trade in required or a deposit of $360.00 if not sending old unit in
# 29920-R All four cylinder 1986 - 1989 and 1990 (2.3L) OEM 986382
21/18

# 29920R 21/18 Complete rebuilt upper gear housing assembly with water pump

$1495.98 *after trade in 

Four cylinder 1990 - 1993 (3.0L) see used cobra or phone about rebuilt 21/21 stock we may have
21/21

# U987064 Complete 21/21 used rebuilt upper gear housing assembly with water pump $1495.98

# 29940-R (4.3L ) / 262 V6 OEM 986380
21/19

# 29940R Complete rebuilt upper gear housing assembly with water pump OEM # 986380 gear ratio 21:19

$1495.98 *after trade in

# 29920-R (5.0L) / 302 Ford V8 OEM # 986382
21/18

# 29920R Complete rebuilt upper gear housing assembly with water pump

$1495.98 *after trade in

# 29930-R (5.0L) / 305 Chevy V8 OEM # 986844
21/17

# 29930R Complete rebuilt upper gear housing assembly with water pump 

$1495.98 *after trade in 

# 29930-R (5.8L) / 351 Ford V8 EFI OEM # 986844
21/17

# 29930R Complete rebuilt upper gear housing assembly with water pump 

$1495.98 *after trade in 

# 29910-R (5.7L) / 350 Chevy V8 OEM # 986381
21/16

# 29910R Complete rebuilt upper gear housing assembly with water pump 

$1495.98 *after trade in 

# 29910-R (5.8L) / 351 Ford V8 OEM 986381
21/16

# 29910R Complete rebuilt upper gear housing assembly with water pump $1495.98 *after trade in

# 29930-R (7.5L) / 460 Ford V8 1987 - 1999 OEM # 986844
21/17

# 29930R Complete rebuilt upper gear housing assembly with water pump 

$1495.98 *after trade in 

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Click here for OMC Cobra complete lower unit
28820 cobra lower .jpg
# 28820 cobra lower unit with water pump