OMC UPPER AND LOWER GEARCASES
Here at MARINEPARTS.COM we offer a complete line of factory remanufactured gearcases. All our gearcases are remanufactured by our factory trained marine technicians. That is why every unit that we sell comes complete with a industry leading 15 month limited warranty. All units are inspected before they are packaged and shipped. We ship our gearcases worldwide and we standby our warranty. Try to locate the unit you are looking for then fill out the info form to send us your units specifications. We need model, year and serial number of your old unit to ensure you're selecting the correct unit. Our chief technician will review your info and guarantee that the unit you order is the correct one!

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OMC STERNDRIVE GEARCASES

DRIVE ASSEMBLIES
OMC COMPLETE DRIVE ASSEMBLIES
PART #	HORSEPOWER	DESCRIPTION	YEAR	DETAILS & NOTES
SW-130A	120 & 140	4 cyl. Elec. Shift	1966 thru 77	Low profile
SW-130B	120 & 140	4 cyl. Elec. Shift	1966 thru 77	Low profile T/C
SW-130C	155	V-6 Elec. Shift	1966 thru 77	Low profile
SW-130D	155	V-6 Elec. Shift	1966 thru 77	Low profile T/C
SW-130E	All V-8	V-8 Elec. Shift	1966 thru 77	Low profile
SW-130F	All V-8	V-8 Elec. Shift	1966 thru 77	Low profile T/C
SW-131A	120 & 140	4 cyl. Elec. Shift	1966 thru 77	High profile
SW-131B	120 & 140	4 cyl. Elec. Shift	1966 thru 77	High profile T/C
SW-131C	155	V-6 Elec. Shift	1966 thru 77	High profile
SW-131D	155	V-6 Elec. Shift	1966 thru 77	High profile T/C
SW-131E	All V-8	V-8 Elec. Shift	1966 thru 77	High profile
SW-131F	All V-8	V-8 Elec. Shift	1966 thru 77	High profile T/C
SW-134A	120 & 140	4 cyl. Mech. Shift	1978 thru 82	400 Series (white)
DRIVE ASSEMBLIES
OMC COMPLETE DRIVE ASSEMBLIES
PART #	HORSEPOWER	DESCRIPTION	YEAR	DETAILS & NOTES
SW-134B	120 & 140	4 cyl. Mech. Shift	1983 thru 86	400 Series (silver)
SW-135A	3.8	V-6 Mech. Shift	1978 thru 82	800 Series (white)
SW-135B	4.3	V-6 Mech. Shift	1983 thru 86	800 Series (silver)
SW-135C	All V-8	V-8 Mech. Shift	1978 thru 82	800 Series (white)
SW-135D	All V-8	V-8 Mech. Shift	1983 thru 86	800 Series (silver)
SW-137A	2.3	4 cyl. Mech. Shift	1986 thru 93	Cobra drive, small hub
SW-137B	3	4 cyl. Mech. Shift	1986 thru 90	Cobra drive, small hub
SW-137B1	3	4 cyl. Mech. Shift	1991 thru 93	Cobra drive, large hub
SW-137C	4.3	V-6 Mech. Shift	1986 thru 93	Cobra drive, large hub
SW-137D	5	V-8 Mech. Shift	1986 thru 93	Cobra drive, large hub
SW-137E	5.7	V-8 Mech. Shift	1986 thru 93	Cobra drive, large hub
SW-138A	7.4	V-8 Mech. Shift	1986 thru 93	Cobra drive, king hub
DRIVE ASSEMBLIES
OMC LOWER DRIVE ASSEMBLIES
PART #	HORSEPOWER	DESCRIPTION	YEAR	DETAILS & NOTES
SW-141A	All engines	Electric shift	1966 thru 77	Electric shift
SW-142A	2.5 & 3.0	400 Lower	1978 thru 82	400 (white)
SW-142B	2.5 & 3.0	400 Lower	1983 thru 86	400 (silver)
SW-143A	3.8 / 5.7	800 Lower	1978 thru 82	800 (white)
SW-143B	4.3 / 5.7	800 Lower	1983 thru 86	800 (silver)
SW-144A	2.5 & 3.0	Cobra lower sm.	1986 thru 93	Wide body sm. Carr.
SW-145A	4.3 / 5.8	Cobra lower lg.	1986 thru 90	Wide body lg. Carr.
SW-145B	3.0 thru 5.8	Cobra lower lg.	1991 thru 93	Wide body tabs carr.
SW-145C	4.3 / 5.8	Cobra lower lg.	1989 thru 93	Cobra counter rotation
SW-146A	7.4	King Cobra	1986 thru 93	King Cobra mech. Shft.
SW-146B	7.4	King Cobra	1986 thru 93	King Cobra counter
SW-146C	7.4	King Cobra	1986 thru 93	King Cobra direct drive.
DRIVE ASSEMBLIES
OMC UPPER DRIVE ASSEMBLIES
PART #	HORSEPOWER	DESCRIPTION	YEAR	DETAILS & TEETH #
SW-150A	120 & 140	4 cyl	1966 thru 77	High profile, 16/20
SW-150B	120 & 140	4 cyl	1966 thru 77	High profile T/C, 16/20
SW-150C	120 & 140	4 cyl	1966 thru 77	Low profile, 16/20
SW-150D	120 & 140	4 cyl	1966 thru 77	Low profile T/C, 16/20
SW-151A	All engines	V-6	1966 thru 77	High profile, 19/20
SW-151B	All engines	V-6	1966 thru 77	High profile T/C, 19/20
SW-151C	All engines	V-6	1966 thru 77	Low profile, 19/20
SW-151D	All engines	V-6	1966 thru 77	Low profile T/C, 19/20
SW-152A	All engines	V-8	1966 thru 77	High profile, 21/16
SW-152B	All engines	V-8	1966 thru 77	High profile T/C, 21/16
SW-152C	All engines	V-8	1966 thru 77	Low profile, 21/16
SW-152D	All engines	V-8	1966 thru 77	Low profile T/C, 21/16
SW-154A	2.3 & 3.0	4 cyl	1978 thru 82	400 (white) R/H, 21/18
SW-154B	2.3 & 3.0	4 cyl	1983 thru 86	400 (silver) L/H, 21/18
SW-155A	3.8	V-6	1978 thru 82	800 (white) R/H, 21/20
SW-155B	3.8	V-6	1983 thru 86	800 (silver) L/H, 21/20
SW-155C	4.3	V-6	1985 thru 86	800 (silver) L/H, 21/19
SW-156A	5	V-8	1978 thru 82	800 (white) R/H, 21/17
SW-156B	5	V-8	1983 thru 86	800 (silver) L/H, 21/17
SW-156C	5.7	V-8	1978 thru 82	800 (white) R/H, 21/16
SW-156D	5.7	V-8	1983 thru 86	800 (silver) L/H, 21/16
SW-157A	2.3	4 cyl	1986 thru 93	Cobra Drive, 21/21
SW-157B	3	4 cyl	1986 thru 93	Cobra Drive, 21/18
SW-157C	4.3	V-6	1986 thru 93	Cobra Drive, 21/19
SW-157D	5	V-8	1986 thru 93	Cobra Drive, 21/17
SW-157E	5.7 / 5.8	V-8	1986 thru 93	Cobra Drive, 21/16
SW-157D	7.4	V-8	1986 thru 93	Cobra Drive, 21/17
SW-158A	7.4	V-8	1986 thru 93	Cobra Drive cone shift