Mercury-Mercruiser 18643A5 Engine Coupler Assembly
18643A5 Engine Coupling Assembly
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
Availability: 23 in stock
Manufacturer part number: 18643A5
GTIN: 745061124066
Normally Ships: Available - Next business day
Manufacturer: Mercury Marine
MSRP: $384.99
$368.01
18643A5
WARNING: Cancer - www.P65Warnings.ca.gov
Triangular shape, flywheel mount
Fits:
Mercruiser Sterndrive 3.0L (1999‑2016) engines
4.5L MPI engines
GM V‑6 & V‑8 (305 & 350 cid) Alpha engines (1993‑2015)
18643A5
WARNING: Cancer - www.P65Warnings.ca.gov
Triangular shape, flywheel mount
Fits:
Mercruiser Sterndrive 3.0L (1999‑2016) engines
4.5L MPI engines
GM V‑6 & V‑8 (305 & 350 cid) Alpha engines (1993‑2015)
- 3.0L GM 181 I/L4 - 0L097000 THRU 0W301999
- 3.0L GM 181 I/L4 - 0W302000 THRU 1A0019999
- 3.0L GM 181 I/L4 - 1A002000 THRU 1A020543
- 3.0L GM 181 I/L4 - 1A020544 & Up
- 3.0L MPI EC - 1A072812 & Up
- 262 MAG (TBI)(GEN+) - 0F803800 THRU 0K999999
- 4.3L (GEN +) (2 BBL.) GM 262 V-6 1998 - 0L010044 THRU 0M614999
- 4.3L (GEN +) (2 BBL.) GM 262 V-6 1998 - 0L010044 THRU 0M614999
- 4.3L (GEN +) (4BBL) Reman - 1G400000 & Up
- 4.3L (GEN II) (2 BBL.) GM 262 V-6 1993-1995 - 0F000878 THRU 0F601126
- 4.3L (GEN II) (2 BBL.) GM 262 V-6 1996 - 0F601127 THRU 0F802999
- 4.3L CARB ALPHA/BRAVO - 0M615000 THRU 0W300012
- 4.3L CARB ALPHA/BRAVO - 0W300013 THRU 0W309999
- 4.3L CARB ALPHA/BRAVO - 0W310000 THRU 0W649999
- 4.3L CARB ALPHA/BRAVO - 0W650000 THRU 1A063239
- 4.3L CARB ALPHA/BRAVO - 1A063240 & Up
- 4.3L EFI (GEN+) TBI GM 262 V-6 - 0L012009 THRU 0L618999
- 4.3L EFI (GEN+) TBI GM 262 V-6 - 0L619000 THRU 0M322780
- 4.3L MPI ALPHA/BRAVO - 0M615000 THRU 0W309999
- 4.3L MPI ALPHA/BRAVO - 0W310000 THRU 0W649999
- 4.3L MPI ALPHA/BRAVO - 0W650000 THRU 0W658582
- 4.3L MPI ALPHA/BRAVO - 0W658583 THRU 0W658583
- 4.3L MPI ALPHA/BRAVO - 0W658584 THRU 1A030367
- 4.3L MPI ALPHA/BRAVO - 1A030368 THRU 1A030369
- 4.3L MPI ALPHA/BRAVO - 1A030370 THRU 1A063239
- 4.3L MPI ALPHA/BRAVO - 1A063240 & Up
- 4.3L MPI ALPHA/BRAVO - 0M300000 THRU 0M614999
- 4.3L MPI ALPHA/BRAVO EC - 1A637496 & Up
- 4.3LH (GEN +) (4 BBL.) GM 262 V-6 1998 - 0L010044 THRU 0M614999
- 4.3LX (GEN +) (2 BBL.) GM 262 V-6 1996-1997 - 0F803000 THRU 0K999999
- 4.3LX (GEN II) (4 BBL.) GM 262 V-6 1993-1995 - 0F001220 THRU 0F601126
- 4.3LX (GEN II) (4 BBL.) GM 262 V-6 1996 - 0F601127 THRU 0F802999
- 4.3LXH (GEN +) (4 BBL.) GM 262 V-6 1996-1997 - 0F803114 THRU 0K999999
- 4.5L MPI 200 Alpha/Bravo - 2A441953 & Up
- 4.5L MPI 200 Alpha/Bravo EC - 2A441953 & Up
- 4.5L MPI 250 Alpha/Bravo - 2A441953 & Up
- 4.5L MPI 250 Alpha/Bravo EC - 2A441953 & Up
- 200 (2 BBL.) GM 305 V-8 1987 - 0B525982 THRU 0B774444
- 230 (4 BBL.) GM 305 V-8 1987 - 0B525982 THRU 0B773739
- 260 (4 BBL.) GM 305 V-8 1987 - 0B525982 THRU 0B773739
- 260 GM 350 V-8 1987 - 0B525982 THRU 0B773304
- 350 MAG MPI ALPHA/BRAVO - 0L010019 THRU 0L339999
- 350 MAG MPI ALPHA/BRAVO - 0L331599 THRU 0M299999
- 350 MAG MPI ALPHA/BRAVO - 1A623185 & Up
- 350 MAG MPI ALPHA/BRAVO - 1A300000 THRU 1A611927
- 350 MAG MPI ALPHA/BRAVO - 1A611928 THRU 1A623184
- 350 MAG MPI ALPHA/BRAVO - 0M300000 THRU 0M599999
- 350 MAG MPI ALPHA/BRAVO - 0M600000 THRU 0W059999
- 350 MAG MPI ALPHA/BRAVO - 0W310000 THRU 0W649999
- 350 MAG MPI ALPHA/BRAVO - 0W650000 THRU 1A299999
- 350 MAG MPI ALPHA/BRAVO - 0W060000 THRU 0W309999
- 350 MAG MPI ALPHA/BRAVO EC - 1A623185 & Up
- 350 MAG MPI ALPHA/BRAVO EC - 1A300000 THRU 1A611927 and MORE
- 350 MAG MPI ALPHA/BRAVO EC - 1A611928 THRU 1A623184
- 350 MAG MPI HORIZON ALPHA/BRAVO - 0M300000 THRU 0M599999
- 350 MAG MPI HORIZON ALPHA/BRAVO - 0M600000 THRU 0W059999
- 350 MAG MPI HORIZON ALPHA/BRAVO - 0W310000 THRU 0W649999
- 350 MAG MPI HORIZON ALPHA/BRAVO - 0W650000 THRU 1A299999
- 350 MAG MPI HORIZON ALPHA/BRAVO - 0W060000 THRU 0W309999
- 350 MAG MPI HORIZON ALPHA/BRAVO EC - 1A623185 & Up
- 350 MAG MPI HORIZON ALPHA/BRAVO EC - 1A300000 THRU 1A611927
- 350 MAG MPI HORIZON ALPHA/BRAVO EC - 1A611928 THRU 1A623184
- 350 MAG. ALPHA (4 BBL.) GM 350 V-8 1996 - 0F601000 THRU 0K001526
- 350 MAG. ALPHA (4 BBL.) GM 350 V-8 1997 - 0K001527 THRU 0K999999
- 350 MAG. ALPHA EFI(GEN+) GM 350 V-8 1996 - 0F800300 THRU 0K001508
- 350 MAG. ALPHA EFI(GEN+) GM 350 V-8 1997 - 0K001509 AND UP
- 350 MAG. ALPHA GM 350 V-8 1987-1995 - 0B525982 THRU 0F600999
- 377 MAG MPI BRAVO - 1A623185 & Up
- 377 MAG MPI BRAVO - 1A300000 THRU 1A611927
- 377 MAG MPI BRAVO - 1A611928 THRU 1A623184
- 377 MAG MPI BRAVO EC - 1A623185 & Up
- 377 MAG MPI BRAVO EC - 1A343300 THRU 1A611927
- 377 MAG MPI BRAVO EC - 1A611928 THRU 1A623184
- 5.0L (2 BBL.) GM 305 V-8 1988-1995 - 0B774445 THRU 0F600999
- 5.0L (2 BBL.) GM 305 V-8 1998-2001 - 0L015751 THRU 0M599999
- 5.0L CARB ALPHA/BRAVO - 0M600000 THRU 0W300009
- 5.0L CARB ALPHA/BRAVO - 0W300010 THRU 0W309999
- 5.0L CARB ALPHA/BRAVO - 0W310000 THRU 0W649999
- 5.0L CARB ALPHA/BRAVO - 0W650000 & Up
- 5.0L EFI GM 305 V-8 1998 - 0L012052 THRU 0L339999
- 5.0L EFI GM 305 V-8 1999-2001 - 0L331631 THRU 0M299999
- 5.0L MPI ALPHA/BRAVO - 1A623185 & Up
- 5.0L MPI ALPHA/BRAVO - 1A300000 THRU 1A611927
- 5.0L MPI ALPHA/BRAVO - 1A611928 THRU 1A623184
- 5.0L MPI ALPHA/BRAVO - 0M300000 THRU 0M599999
- 5.0L MPI ALPHA/BRAVO - 0M600000 THRU 0W059999
- 5.0L MPI ALPHA/BRAVO - 0W310000 THRU 0W649999
- 5.0L MPI ALPHA/BRAVO - 0W650000 THRU 1A299999
- 5.0L MPI ALPHA/BRAVO - 0W060000 THRU 0W309999
- 5.0L MPI ALPHA/BRAVO EC - 1A623185 & Up
- 5.0L MPI ALPHA/BRAVO EC - 1A300000 THRU 1A611927
- 5.0L MPI ALPHA/BRAVO EC - 1A611928 THRU 1A623184
- 5.0LX (4 BBL.) GM 305 V-8 1988-1995 - 0B773740 THRU 0F600999
- 5.7L (2 BBL.) GM 350 V-8 1996 - 0F601000 THRU 0K001526
- 5.7L (2 BBL.) GM 350 V-8 1997 - 0K001527 THRU 0K999999
- 5.7L (2 BBL.) GM 350 V-8 1998-2001 - 0L010037 THRU 0M599999
- 5.7L ALPHA EFI (TBI) GM 350 V-8 1995 - 0F355305 THRU 0F752389
- 5.7L BRAVO EFI (TBI) GM 350 V-8 1995 - 0F225560 THRU 0F752399
- 5.7L CARB ALPHA/BRAVO - 0M600000 THRU 0W300754
- 5.7L CARB ALPHA/BRAVO - 0W300755 THRU 0W309999
- 5.7L CARB ALPHA/BRAVO - 0W310000 THRU 0W649999
- 5.7L CARB ALPHA/BRAVO - 0W650000 & Up
- 5.7L EFI (2 BBL.-TBI) GM 350 V-8 1996 - 0F752400 THRU 0K001505
- 5.7L EFI (2 BBL.-TBI) GM 350 V-8 1997 - 0K001506 THRU 0K999999
- 5.7L EFI (GEN+) REPOWER PLUS GM 350 V-8 - ALL
- 5.7L EFI GM 350 V-8 1998 - 0L010035 THRU 0L339999
- 5.7L EFI GM 350 V-8 1999-2001 - 0L325977 THRU 0M299999
- 5.7L GM 350 V-8 1988-1995 - 0B525982 THRU 0F600999
- 5.7LX (4 BBL) GM 350 V-8 1996 - 0F601000 THRU 0K001526
- 5.7LX (4 BBL) GM 350 V-8 1997 - 0K001527 THRU 0K999999
- 5.7LX BRAVO EFI (GEN+) GM 350 V-8 1996 - 0F800300 THRU 0K001508
- 5.7LX BRAVO EFI (GEN+) GM 350 V-8 1997 - 0K001509 AND UP
- 5.7LX EFI (4 BBL.-TBI) GM 350 V-8 1996 - 0F752400 THRU 0K001505
- 5.7LX EFI (4 BBL.-TBI) GM 350 V-8 1997 - 0K001506 THRU 0K999999
- MX 6.2L MPI BRAVO - 0M300000 THRU 0M599999
- MX 6.2L MPI BRAVO - 0M600000 THRU 0W059999
- MX 6.2L MPI BRAVO - 0W310000 THRU 0W649999
- MX 6.2L MPI BRAVO - 0W650000 THRU 1A299999
- MX 6.2L MPI BRAVO - 0W060000 THRU 0W309999
- MX 6.2L MPI HORIZON BRAVO - 0M300000 THRU 0M599999
- MX 6.2L MPI HORIZON BRAVO - 0M600000 THRU 0W059999
- MX 6.2L MPI HORIZON BRAVO - 0W310000 THRU 0W649999
- MX 6.2L MPI HORIZON BRAVO - 0W650000 THRU 1A299999
- MX 6.2L MPI HORIZON BRAVO - 0W060000 THRU 0W309999
- 3.0L TKS Plus - 1G404114 & Up
- 350 MPI ALPHA - 1G400000 & Up
- 357 Alpha 4V - 1G400000 & Up
- 357 Mag Bravo 4V - 1G400000 & Up
- 383 Mag Bravo 4V - 1G480748 & Up
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Please note the new superseded part is a functional replacement and may look different from the original part