Sierra 18-2175 Engine Coupler Kit Replaces 18643A
$256.99
$194.99
$62.00
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Sierra 18-2175 Mercruiser Engine Coupler Kit
NLA - Interchangeable with OEM part 18643A7
Flex plate style for late model, small crankshaft bolt pattern, style engines. Sierra replacement engine parts are manufactured to meet or exceed OEM requirements. Includes Sierra 18-2146 Yoke and Sierra 18-2323 Engine Coupler.
Fits: MCM GM V-6 & V-8 (305 & 350 cid) engines, (1983-1993) & 454 Mag Alpha
Interchangeable with:
- Mercruiser Stern Drive
- 12632A4
- 18643A2
- 18643A7
Alignment Video
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Other Details
- Google Product Type:
- DONOTSEND
- Wiser:
- Yes
- Product MPN:
- 18-2175
- Product UPC:
- 030999562487
- Discontinued:
- Yes