Mercruiser outdrive parts | Alpha one lower unit repairs

Mercruiser Alpha One Outdrive Replacement

GLM Marine replacement gearcases with full 2 year warranties Compatible with 1970 - present models Mercruiser, MR, Alpha 1 and Gen 2 models All gear ratios available for all motors, 4 cylinder, V6 and V8 No core charge required on all outdrives

Replacement Lower Units	Description OEM #	Price (USD)	Price (Canadian)
18100 Mercruiser Lower Unit	P/N 18100 New lower unit assembly for all ratios and motors, up to 300 hp. 2 year warranty (1970 - 1990, MC-1, R/MR and Alpha One, serial numbers 2791957 - 0A545003) 1623-8951A43	$1399.95	$1846.95
18300 Alpha One Gen 2 Outdrive	P/N 18300 Lower gearcase assembly for Alpha 1 Generation 2 models, up to 300 hp. 2 year warranty (1991 - present, serial numbers 0A545004 - up) 1623-8951A43	$1431.95	$1889.95
Upper Gear Housings	Description OEM #	Price (USD)	Price (Canadian)
19600 Upper Gear Housing	Complete upper gearcase housing assembly with drive shaft - ready to bolt onto the lower unit. All ratios available for 1991 and up, serial numbers 0A545004 and up 1547-861063A6, 1547-861063A12, 1547-861063A10, 1547-861063A8	$1399.00 Engine / Model 4.3L and 4.3 LX 5.0L EFI, 5.7L 4.3L EFI, LH, 5.0L 3.0L, LX 4 CYL	$1748.00 Engine / Model 4.3L and 4.3 LX 3.0L and LX 4 cyl 4.3L EFI, LH, 5.0L 5.0L EFI, 5.7L, 350
19100 Drive Shaft Assembly	Complete upper gearcase with drive shaft and u-joints. All ratios available for 1970 - 1990, serial numbers 2791957 - 0A545003 1547-9412A20, 1547-9412A21, 1547-9412A22, 1547-9412A23, 1547-9412A19	$1199.00 Engine / Model V8 and 260 V6 and 470/485 4 cylinder Inline 6 cylinder	$1498.00 Engine / Model V8 and 260 V6 and 470/485 4 cylinder Inline 6 cylinder

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