18-2175 Engine Coupler Kit
$259.95
18-2175
Replaces Mercruiser part #18643A7. comes with new style "yoke". Flex plate style for late style 3" Flywheel bolt pattern. GM (Chevy) 4.3. 5.0 and 5.7-liter engines with 14" flywheels. (also some early 7.4-Liter engine using Alpha outdrive).(Note:if you have newer yoke, see part #18-2323 w/o yoke).
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18-2323 Engine Coupler (Without Yoke)
$171.19
18-2323
Replaces Mercruiser # 18643A5, without yoke. Late model
GM (chevy) 4.3, 5.0 and 5.7-Liter engines with 3" crankshaft bolt pattern and 14" flywheel.
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18-2195 Engine Coupler Kit (4-cyl)
$259.95
18-2195
Replaces Mercruiser part #12632A7. Flex plate and new style "yoke" for late style for GM (Chevy) 4-cyl (3.0-Liter). Engines with late style, 3" crankshaft bolt pattern and 14" flywheel. (if you have late style "yoke" see part #18-2321 sold w/o yoke)
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18-2321 Engine Coupler (4-CYL)
$175.19
18-2321
Replaces Mercruiser # 12632A6, coupler w/o yoke, for Mercruiser GM (chevy) 4-cylinder (3.0-Liter) late model engines. With 3" crankshaft bolt pattern and 14" flywheel.
(same as 18-2195 but w/o yoke)
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18-2412 Mercruise Engine Coupler (BRAVO)
$339.95
18-2412
Replaces: 18311A17, 861523A9, For: All Bravo engines.
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18-2171 Engine Coupler
$139.95
18-2171
Replaces Mercruiser part #76850A2. For all early GM Engines that had 3-1/2" crank shaft bolt pattern, 12-3/4" flywheel. Early GM (Chevy) 4,6 and 8 -cylinder engines.(engines with 2-piece rear main seals).
Do not use if you have a MR/Alpha/Bravo with "Triangular" 3 bolt coupler.
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18-2172 Engine Coupler Kit
$215.19
18-2172
Replaces Mercruiser part #14505A2. Use when you are replaceing older, Chevy(GM V-6 and V-8 engines), with 2-piece rear main seal engine (which had a 3-1/2" crankshaft bolt pattern) with a newer 1-piece rear main seal engine that has the smaller 3" crankshaft bolt pattern. Comes with studs, washers and nuts.
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18-2173 Engine Coupler (FORD Engines)
$227.19
18-2173
Replaces Mercruiser part #59826A3. For Ford Engines. Bolts to crankshaft bolts.
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18-2413 Engine Coupler (Early 470's)
$295.95
18-2413
Replaces: 69354A2, For: 470, 485 (224 cu. in.), 3.7-Liter 4-cylinder "aluminum block" engines, s/n 4208730-6218036 (1976-1982).
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18-2414 Engine Coupler (Late 470's Engines)
$295.95
18-2414
Fits Mercruiser 3.7-Liter, 4-cylinder "aluminum block" engines (1983-1989), Replaces Mercruiser # 97432A2. For 165, 170, 470 (s/n 6170297 and up)
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