Rebuilt GM Marine Long Block Engines - 4 Cylinder - Performance Product Technologies

Quickly and easily find the marine parts you are looking for by selecting the manufacturers catalog and searching by part number.

Rebuilt GM Marine Long Block Engines - 4 Cylinder

GM 4-Cylinder Engines						Long Block
Years Approx.	Description	HP	Liter/ CID	Cyls	Block Casting Numbers	Standard Rotation	Reverse Rotation
62-86	Original replacement for the 2.5L 110 horse power engine. Must have core to return.	110 & 120	2.5L 153 CID	L-4	857, 034, 449, 045, 035, 746, 087	GM153LA	--
62-86	Upgrade replacement for the 2.5L 110 horse power engine. Must have core to return.	110 & 120	2.5L 163 CID	L-4	886	GM163LA	--
75-90	2 Piece rear main seal. This is the early style block. Must have core to return.	130 & 140	3.0L 181 CID	L-4	087, 886, 678, 104, 446, 613, 080, 746	GM181LA	--
90-95	1 piece rear main seal. Electronic ignition. Must have core to return.	130 & 140	3.0L 181 CID	L-4	613, 080	GM181LB	--
95-04	1 piece rear main seal. Electronic ignition. High output series. Head casting number must be 620. Must have core to return.	130 & 140	3.0L 181 CID	L-4	080	GM181LC	--
95-04	1 piece rear main seal. Electronic ignition. High output series. Head casting number must be 619 or 770. Must have core to return.	130 & 140	3.0L 181 CID	L-4	080	GM181LD	--