Mercruiser 4.3 Parts

Mercruiser 4.3 EFI & 4.3 MPI, LX Engine Parts

We stock replacement parts for all Mercruiser 4.3 litre engines including the 4.3L EFI, MPI and LX models, all you need to start shopping for parts is your engine serial number and then select your model from the list below.

The Mercruiser 4.3L engine manufactured by Mercury Marine and has been a popular choice for boaters since its introduction in the 1980s. It is a six cylinder petrol engine arranged in a v formation, also known as a V6, typically producing between 190 and 220 horsepower (depending on the age and model of the engine). The increased power over smaller displacement engines makes it suitable for a wide range of boats, including smaller to mid-sized vessels.

For help finding the right Mercuiser 4.3l parts for your boat, contact us via sales@keypart.com, or call +44(0)1923 276000 and our specialist team will be able to help identify the parts you need.

If you need parts for a different Mercruiser petrol engine click here to return to the main category

Model Production Years Serial Number Range
4.3L 1A063240 to 1A999999
4.3L 1996 to 1996 0F601127 to 0F802999
4.3L 1993 to 1995 0F000878 to 0F601126
4.3L 1992 to 1993 0D714107 to 0F000877
4.3L 1988 to 1992 0B773243 to 0D714106
4.3L 0M615000 to 0W649999
4.3L 0W650000 to 1A063239
4.3L 1998 to 1998 0L010044 to 0M614999
4.3L EFI 0L012009 to 0L359999
4.3L EFI 0L619000 to 0M322780
4.3L EFI 0L360000 to 0L618999
4.3L MPI 1A063240 to 2A999999
4.3L MPI 0W650000 to 1A063239
4.3L MPI 0M615000 to 0W649999
4.3L MPI 2003 to 2004 0M320025 to 0M614999
4.3L MPI 0M300000 to 0M320024
4.3LH 1998 to 1998 0L010044 to 0M614999
4.3LX 1996 to 1996 0F601127 to 0F802999
4.3LX 1993 to 1995 0F001220 to 0F601126
4.3LX 1992 to 1993 0D714370 to 0F001219
4.3LX 1988 to 1992 0B775130 to 0D714369
4.3LX 1996 to 1997 0F803000 to 0K999999
4.3LXH 1996 to 1997 0F803114 to 0K999999
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