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Mercruiser Engine Coupler - GM / Chevy / Ford

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GLM Marine / Sierra aftermarket engine couplers for GM, Chevy and Ford inboard motors

  • 6 bolt couplers for GM engines older than 1986 with 2 piece rear main seals and all V8 models
  • Couplings for replacing V6/V8 motors with 3-1/2 inch crankshaft bolt pattern to a newer 1 piece rear main seal engine with 3 inch bolt pattern
  • 3 bolt engine coupler kits with triangular mounts including drive shaft yoke for MCM / Mag Alpha Mercruiser inboard motors
  • When installing a new coupler, you may need to use the engine alignment tool to line it up with the gimbal bearing

11500 Coupler Mercruiser engine chevy 2 piece rear main seal OEM 76850A2
11500 Coupler Mercruiser engine chevy 2 piece rear main seal OEM 76850A2
Sierra 18-2171 OEM 76850A2
Sierra 18-2171 OEM 76850A2

P/N GLM 11500 Chevy / GM coupler OEM 76850A2 $157.00

Used with 1985 and older Chevy engines with 2 piece rear main seals

110 hp. 1537370 to 2044030
120 hp. 1537370 to 6229717
120 hp.(2.5L) 6229718 and up
140 hp. 2508261 to 6229717
140 (3.0L) 6229718 and up
150 hp. 1666495 to 2048046
160 hp. 2048022 to 2770031
165 6 cyl. 2770032 and up
175 (4.3L) B5257955 and up
185 hp. 229CID 6330183 and up
185 hp. 262CID A331455 and up
190 hp. 1564539 and up
898 198 hp. 4762210 and up
200 hp. 6218462 and up

P/N Sierra 18-2171 Chevy coupler for 1985 and older motors with 2 piece rear main seals OEM 76850A2 $242.00

11510 Ford engine coupling 188-225-233 OEM 59826A3
11510 Ford engine coupling 188-225-233 OEM 59826A3
Sierra 18-2173 OEM 59826A3
Sierra 18-2173 OEM 59826A3

P/N GLM 11510 Ford engine coupler OEM 59826A3 $210.00

888 Ford 188 hp.3108723 up
225 Ford and 225 S Ford 3385721 up
233 Ford 4173000 up

P/N Sierra 18-2173 Coupler - All Ford Engines OEM 59826A3 $363.00

11520 Chevy V6 V8 2 piece rear main seal OEM 14505A2
11520 Chevy V6 V8 2 piece rear main seal OEM 14505A2
18-2172 OEM 14505A2
18-2172 OEM 14505A2

P/N GLM 11520 Chevy coupler OEM 14505A2 $200.00

Used with 1986 and newer V6 / V8 engines with 1 piece rear main seals

120 hp.(2.5L) 6229718 and up
140 (3.0L) 6229718 and up
185 hp. 262CID A331455 and up
200 hp. 6218462 and up

205 hp. 262CID A331455 - B527954
228 hp. 6218462 and up
230 (5.0L) 6218462 - B525981
260 (5.7L) 6218462 - B525981

P/N Sierra 18-2172 Chevy coupler OEM 14525A2 $319.00

18-2413-470-485 OEM 69354A2
18-2413-470-485 OEM 69354A2

P/N Sierra 18-2413 470 Coupler OEM 69354A2 $422.00

Works with Mercruiser 470 / 485 (1976 - 1982) 4208730 - 6218036

11530 GM V6-V8 triangular mount OEM 18643A7
11530 GM V6-V8 triangular mount OEM 18643A7

P/N GLM 11530 Coupling with triangular mount OEM 118643A7 $273.00

Includes yoke drive shaft

305 MCM 1983 - 1993
350 MCM 1983 - 1993

11532 MCM 3 LITER GM 305-350-454 1993 OEM 18643A5
11532 MCM 3 LITER GM 305-350-454 1993 OEM 18643A5

P/N GLM 11532 Coupling with triangular mount OEM 18643A5 $198.00

305 MCM 1999 and up
350 MCM 1999 and up

18-2195 OEM 12632A7
18-2195 OEM 12632A7
18-2321 4 cylinder OEM 12632A6
18-2321 4 cylinder OEM 12632A6

P/N GLM 18-2195 470 Coupler with triangular mount including yoke OEM 12632A7 $356.00

Includes yoke

2.5L (1987 - 1989) OB531854 - OC853256, 140 3.0L (1983 - 1986)6229718 - OB450800
3.0L (1987 - 1989) OB450801 - OC85658, 3.0LX (1990 - 1993) OC856559 - OF000000

P/N GLM 18-2321 470 Coupler with triangular mount OEM 12632A7 $272.00

*Does not include yoke

omcparts@rogers.com

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