Parts for MerCruiser 225-S 1974 Gear Housing Assembly, Complete

Revise Search: All Models > 225-S 1974 > 3856268 - 4200499 > Gear Housing Assembly, Complete

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Each product listed is an OEM or aftermarket equivalent part. [ Example ]

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Engine section

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

#	1623-5356A 3	GEAR HOUSING ASSEMBLY, COMPLETE (SEE NOTE BELOW) (1 required per assembly)
		1623-5356A 3 - Gear Housing Assembly [ More info ] Unavailable
		1623-5356A19 - Gear Housing [ More info ] Unavailable
		1623-5356A20 - Gear Housing Assembly [ More info ] Unavailable
		1623-8951A 2 - Gear Housing Assembly [ More info ] Unavailable
		1623-8951A19 - Gearcase [ More info ] Unavailable
		1623-8951A23 - Gearcase COMP [ More info ] Unavailable
		1623-8951A43 - Gear Housing Assembly [ More info ] Unavailable
		90-106-02 - SE106 Lower Unit Mercruiser Alpha One, Standard Rotation [ More info ] $975.00 $975.00 Available to Order
#1	1623-5356A 4	GEAR HOUSE ASSEMBLY (1 required per assembly)
		1623-5356A 4 - Gear Housing Assembly [ More info ] $1,337.79 10+ In Stock.
		18-2402 - Housing, 1623-5356A4 [ More info ] $908.99 $823.67 Available to Order: Usually ships within 10 days.
#2	17-37972	PIN, SHAFT CRANK - GEAR HOUSING (1 required per assembly)
		17-37972 - Pin, Shaft Crank - Gear Housing [ More info ] $1.28 10+ In Stock.
		17-37972 1 - Pin [ More info ] $3.50 Available to Order: Usually ships within 10 days.
#3	16-46911	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (3 3/16") (1 required per assembly)
		16-46911 - Stud [ More info ] $7.20 $1.44 10+ In Stock.
#4	16-56298	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (1 31/32") (2 required per assembly)
		16-56298 - Stud [ More info ] $4.50 1 In Stock.
#5	26-45577	SEAL, GEAR HOUSING (1 required per assembly)
		26-45577 - Seal - Priced Individually [ More info ] $2.77 4 In Stock.
		26-45577 1 - Seal - Priced Individually [ More info ] $4.10 10+ In Stock.
		26-8M0204680 - QUAD RING SEAL, ORANGE, Priced Individually [ More info ] $4.10 Available to Order: Usually ships within 10 days.
		18-2944-9 - Gasket 26-45577 2-Pack [ More info ] $5.99 $5.50 Available to Order: Usually ships within 10 days.
#6	16-56297	STUD, WATER PUMP BASE AND BODY TO GEAR HOUSING (3 3/8") (1 required per assembly)
		16-56297 - Stud [ More info ] $12.21 10+ In Stock.
		16-56297 2 - Stud [ More info ] Unavailable
		16-8M0034463 - Stud [ More info ] $17.17 Available to Order: Usually ships within 10 days.
#7	16-69501	STUD, WATER PUMP BASE AND BODY TO GEAR HOUSING (3 1/4") (2 required per assembly)
		16-69501 - Stud [ More info ] $3.50 10 In Stock.
#8	17-46912	PIN, DOWEL - GEAR HOUSING TO DRIVE SHAFT HOUSING (2 required per assembly)
		17-46912 - Pin -Dowel [ More info ] $0.50 10+ In Stock.
		17-85500 - Pin, Dowel (.187 X .530) [ More info ] $1.50 10+ In Stock.
		178M0084726 - Pin - Dowel [ More info ] $4.90 Available to Order: Usually ships within 10 days.
#9	31-35934	BEARING, ROLLER - DRIVE SHAFT (1 required per assembly)
		31-35934 - Roller Bearing [ More info ] $28.00 10+ In Stock.
		31-35934A 1 - Roller Bearing [ More info ] $20.00 $4.80 10+ In Stock.
#10	-66884	INSERT, WATER PICKUP (PORT SIDE) (1 required per assembly)
		66884 - Water Pickup Insert [ More info ] $16.66 5 In Stock.
#10	-66885	INSERT, WATER PICKUP (STARBOARD SIDE) (1 required per assembly)
		66885 - Water Pickup Insert [ More info ] $6.40 $3.58 7 In Stock.
#11	10-76156	SCREW, INSERT TO GEAR HOUSING (1 7/8") (1 required per assembly)
		10-76156 - Screw [ More info ] $3.30 10+ In Stock.
#12	11-45812	NUT, INSERT TO GEAR HOUSING SCREW (1 required per assembly)
		11-45812 - Nut, (#10-32) [ More info ] $4.43 8 In Stock.
		11-859124 - Nut, (#10-32) Stainless Steel, Nylon Insert [ More info ] $17.92 10+ In Stock.
#13	45-55757A 1	DRIVE SHAFT ASSEMBLY (1 required per assembly)
		45-55757A 1 - Drive Shaft [ More info ] Unavailable
		45-41939A 1 - Drive Shaft [ More info ] $155.54 2 In Stock.
		45-41939F 1 - Drive Shaft - Black [ More info ] $769.83 2 In Stock.
#14	17-30545	PIN, DRIVE SHAFT (1 required per assembly)
		17-30545 - Pin - Priced Individually [ More info ] $5.80 10+ In Stock.
#15	24-34576	SPRING, COMPRESSION - DRIVE SHAFT (1 required per assembly)
		24-34576 - Spring, Compression - Drive Shaft,NLA [ More info ] $9.17 10+ In Stock.
#16	25-30613	"O" RING, UPPER - DRIVE SHAFT (1 required per assembly)
		25-30613 - O-ring, Upper Drive Shaft [ More info ] $1.70 10+ In Stock.
		25-8M0214919 - O RING @5 [ More info ] Unavailable
		18-7158-9 - (PK5) O-Ring 25-30613 [ More info ] $8.99 5 In Stock.
#17	43-61027	GEAR, PINION - DRIVE SHAFT (1 required per assembly)
		43-61027 - Gear, Pinion - Drive Shaft [ More info ] $50.00 1 In Stock.
		43-96084A 4 - Gear Set [ More info ] $269.99 10+ In Stock.
#18	11-35921	NUT, PINION GEAR TO DRIVE SHAFT (1 required per assembly)
		11-35921 - Nut, (.625-18) [ More info ] $7.70 10+ In Stock.
		18-3719 - Nut, 11-35921, 314730 [ More info ] $4.99 $4.51 4 In Stock.
		18-2359 - Nut Kit [ More info ] $5.19 $2.97 Available to Order: Usually ships within 10 days.
#19	15-57007A 1	SHIM, DRIVE SHAFT BEARING TO GEAR HOUSING (.002-3-5-10-20) (AR required per assembly)
		15-57007A 1 - Shim Set [ More info ] $44.92 4 In Stock.
		18-2295 - Shim Set, 15-57007A 1 [ More info ] $30.99 $28.03 1 In Stock.
#20	31-53079A 1	TAPERED ROLLER BEARING ASSEMBLY, DRIVE SHAFT (1 required per assembly)
		31-53079A 1 - Tapered Roller Bearing - Dirve Shaft [ More info ] $38.50 $9.25 10+ In Stock.
#21	27-33146	GASKET, WATER PUMP BASE TO GEAR HOUSING (1 required per assembly)
		27-33146 - Water Pump Base Gasket [ More info ] Unavailable
		27-85610 - Water Pump To Gear Housing Gasket [ More info ] $1.56 8 In Stock.
		27-85610 1 - Gasket - Priced Individually [ More info ] $2.77 10+ In Stock.
		27-856704 - Water Pump To Gear Housing Gasket [ More info ] $3.30 10+ In Stock.
		27-8M0214962 - GASKET @5 [ More info ] Unavailable
		18-2826-9 - Gasket 27-33146 2-Pack [ More info ] $1.34 4 In Stock.
#22	25-33145	"O" RING, WATER PUMP BASE (1 required per assembly)
		25-33145 - O-ring, (1.984 X .139) [ More info ] Unavailable
		25-8M0214923 - O RING @5 [ More info ] Unavailable
		18-7162-9 - (PK5) O-Ring 25-33145 [ More info ] $14.99 $14.26 Available to Order: Usually ships within 10 days.
#23	46-57234A 1	WATER PUMP BASE ASSEMBLY (1 required per assembly)
		46-57234A 1 - Water Pump Base [ More info ] $49.44 6 In Stock.
		18-3417 - Water Pump Base 46-57234A1 [ More info ] $39.99 $36.70 4 In Stock.
#24	26-33144	OIL SEAL, WATER PUMP BASE (1 required per assembly)
		26-33144 - Oil Seal , Priced Individually [ More info ] $12.21 10+ In Stock.
		26-89238 - Seal [ More info ] $20.33 In Stock
		18-2014 - Seal 26-89238, 26F69430 [ More info ] $17.99 $16.59 9 In Stock.
#25	26-31507	OIL SEAL, WATER PUMP BASE (1 required per assembly)
		26-31507 - OIL Seal , Priced Individually [ More info ] Unavailable
		26-79884 - Oil Seal [ More info ] Unavailable
		26-16977 - Seal [ More info ] $21.01 In Stock
		18-2026 - Seal, 321453 [ More info ] $15.99 $15.95 10+ In Stock.
		18-2013 - Seal, 26-16977 [ More info ] $15.99 $14.42 8 In Stock.
#26	17-35973	DOWEL PIN, WATER PUMP BASE TO WATER PUMP BODY (2 required per assembly)
		17-35973 - Pin -Dowel - Priced Individually [ More info ] $1.70 10+ In Stock.
#27	27-32433	GASKET, LOWER - WATER PUMP BASE TO FACE PLATE (1 required per assembly)
		27-32433 - Lower Water Pump Gasket [ More info ] Unavailable
		27-85608 - Water Pump Gasket [ More info ] Unavailable
		27-85608 1 - Gasket - Priced Individually [ More info ] Unavailable
		27-8M0090319 - Water Pump Gasket - Priced Individually [ More info ] $4.00 10+ In Stock.
		18-2914-9 - Gasket 27-85608 2-Pack [ More info ] $5.99 Available to Order: Usually ships within 10 days.
#28	-32435	PLATE, FACE - WATER PUMP BASE TO WATER PUMP BODY (1 required per assembly)
		32435 - Face Plate - Priced Individually [ More info ] Unavailable
		32435 1 - Face Plate [ More info ] Unavailable
		8M0204677 - Wear Plate [ More info ] $8.90 9 In Stock.
#29	27-32434	GASKET, UPPER - FACE PLATE TO WATER PUMP BODY (1 required per assembly)
		27-32434 - Upper Water Pump Gasket [ More info ] Unavailable
		27-85609 - Water Pump Gasket [ More info ] Unavailable
		27-85609 1 - Gasket , Priced Individually [ More info ] Unavailable
		27-858524 - Water Pump Base Gasket [ More info ] $3.90 10+ In Stock.
		18-2915-9 - Gasket 27-858524 2-Pack [ More info ] $5.19 10+ In Stock.
#30	46-64141A 1	WATER PUMP BODY ASSEMBLY (1 required per assembly)
		46-64141A 1 - Water Pump Body [ More info ] Unavailable
		46-96148A 1 - Water Pump Body Assembly [ More info ] Unavailable
		46-96148T 1 - Water Pump Body [ More info ] $49.92 In Stock
		18-3116 - Housing 46-96148A1 [ More info ] $48.99 $44.58 2 In Stock.
#31	-48752	INSERT, WATER PUMP BODY (1 required per assembly)
		48752 - Water Pump Insert, Priced Individually [ More info ] $8.99 10+ In Stock.
		48752T - Water Pump Insert - Priced Individually [ More info ] $11.90 Available to Order: Usually ships within 10 days.
		18-3114 - SS Cup, 48752 [ More info ] $3.19 $2.86 Available to Order: Usually ships within 10 days.
#32	26-38970	SEAL, RUBBER - WATER INLET TUBE (1 required per assembly)
		26-38970 - Seal - Priced Individually [ More info ] $4.90 10+ In Stock.
		18-3110 - Seal, 26-38970 [ More info ] $3.49 $2.77 Available to Order: Usually ships within 10 days.
#33	47-65960	IMPELLER, WATER PUMP (1 required per assembly)
		47-65960 - Impeller, Priced Individually [ More info ] Unavailable
		47-89984 - Impeller [ More info ] Unavailable
		47-89984 2 - Impeller [ More info ] Unavailable
		47-89984 4 - Impeller [ More info ] Unavailable
		47-89984T 4 - Impeller [ More info ] $47.58 10+ In Stock.
		18-3017 - Impeller 47-89984 [ More info ] $39.99 $36.49 10+ In Stock.
#34	28-56654	PIN, IMPELLER DRIVE (1 required per assembly)
		28-56654 - Drive Key - Priced Individually [ More info ] $1.99 4 In Stock.
		28-8M0032834 - Key - Priced Individually [ More info ] $4.40 10+ In Stock.
		28-8M0214992 - KEY @5 [ More info ] Unavailable
#35	10-30720	SCREW, WATER PUMP BODY TO GEAR HOUSING (2 1/4") (1 required per assembly)
		10-30720 - Screw, NLA [ More info ] $17.11 10+ In Stock.
#36	12-36001	WASHER, WATER PUMP BODY SCREW (1 required per assembly)
		12-36001 - Washer - Priced Individually [ More info ] $1.40 10+ In Stock.
		18-4270 - Washer 12-36001 [ More info ] $1.25 $0.92 10+ In Stock.
#37	11-35888	NUT, WATER PUMP BODY SHEETS STUDS (1/4-28) (2 required per assembly)
		11-35888 - Nut (1/4-28) [ More info ] $6.60 $2.91 10+ In Stock.
		18-3722-9 - Lock Nut, 121731, 11-35888, Pack of 5 [ More info ] $11.99 $6.88 Available to Order: Usually ships within 10 days.
#38	11-45592	NUT, WATER PUMP BODY STUDS (5/16-24) (1 required per assembly)
		11-45592 - Nut (5/16-24) [ More info ] $2.21 10+ In Stock.
		11-826709111 - Nut, (.312-24) Stainless Steel [ More info ] $4.30 $3.66 10+ In Stock.
		18-3723-9 - Lock Nut, 11-45592, 5PK [ More info ] $15.19 2 In Stock.
#39	12-29245	WASHER, WATER PUMP BODY STUD (3 required per assembly)
		12-29245 - Washer [ More info ] $0.89 10+ In Stock.
		12-8M0204649 - WASHER Note: Priced Individually [ More info ] $1.20 9 In Stock.
#40	25-30271	RING, RUBBER - CENTRIFUGAL SLINGER (DRIVE SHAFT) (1 required per assembly)
		25-30271 - Ring - Priced Individually [ More info ] Unavailable
		25-8M0214918 - WATER PUMP HSG RUBBER RING O/B [ More info ] $1.90 5 In Stock.
		18-7426-9 - O-Ring (PK2) 25-30271 [ More info ] $3.99 $3.22 2 In Stock.
#41	23-29804	SLEEVE, GUIDE - WATER INLET TUBE (1 required per assembly)
		2329804 - Sleeve - Priced Individually [ More info ] $5.54 10+ In Stock.
		23-29804T - Sleeve - Priced Individually [ More info ] $8.70 10+ In Stock.
		18-3109 - Tube 23-29804 [ More info ] $6.19 $5.60 3 In Stock.
#42	-66066	SHAFT, SHIFT - LOWER (1 required per assembly) SERIAL 00000000-04640109
		66066 - Shift Shaft, Priced Individually [ More info ] Unavailable
		77481 - Shift Shaft - Lower [ More info ] Unavailable
		77481 1 - Shift Shaft - Lower [ More info ] $60.75 $52.50 8 In Stock.
		18-2150 - Shaft, 77481-1 [ More info ] $59.29 $53.76 3 In Stock.
#42	-77481	SHAFT, SHIFT - LOWER (1 required per assembly) SERIAL 04640110-09999999
#43	18-20233	CLIP, RETAINING - SHIFT SHAFT (1 required per assembly)
		18-20233 - Pin, Hair-Ext, Priced Individually [ More info ] $2.21 10+ In Stock.
		53-29641 - E Ring - Priced Individually [ More info ] $1.70 4 In Stock.
		18-4295-9 - Clip, 53-29461, 2PK [ More info ] $2.59 $2.17 Available to Order: Usually ships within 10 days.
#44	12-27880	WASHER, LOWER SHIFT SHAFT AND CRANK (1 required per assembly)
		12-27880 - Washer, Lower Shift Shaft And Crank [ More info ] $1.60 10+ In Stock.
#45	25-25439	"O" RING, SHIFT SHAFT BUSHING (1 required per assembly)
		25-25439 - O-Ring, Shaft Shaft Bushing [ More info ] $1.90 10+ In Stock.
		18-7420-9 - O-Ring (PK5) 25-21836 [ More info ] $9.99 $9.50 3 In Stock.
#46	23-30617A 2	BUSHING ASSEMBLY, SHIFT SHAFT (1 required per assembly)
		23-30617A 2 - Bushing Assembly [ More info ] Unavailable
		23-8M0112749 - Shift Shaft Bushing ZZ [ More info ] $28.17 In Stock
		18-2154 - Bushing, 23-30617A2 [ More info ] $23.99 $21.73 5 In Stock.
#47	26-46021	OIL SEAL, SHIFT SHAFT BUSHING (1 required per assembly)
		26-46021 - Oil Seal - Priced Individually [ More info ] Unavailable
		26-89236 - Seal [ More info ] $12.21 10+ In Stock.
		26-89236 1 - Seal [ More info ] $17.00 10+ In Stock.
		18-2009 - Seal, 26-89236 [ More info ] $11.99 $11.31 10+ In Stock.
#48	12-31266	WASHER, RUBBER - SHIFT SHAFT BUSHING (1 required per assembly)
		12-31266 - Washer (rubber) [ More info ] $1.10 10+ In Stock.
#49	12-29395	WASHER, SHIFT SHAFT (1 required per assembly)
		12-29395 - Washer, (.390 X 1.00 X .06) [ More info ] $0.98 5 In Stock.
		12-8M0042641 - Washer [ More info ] $1.60 Available to Order: Usually ships within 10 days.
		18-4267-9 - Washer, 12-29395, 2PK [ More info ] $2.99 2 In Stock.
#50	10-28634	SCRE, GEAR HOUSING GREASE FILLER AND VENT HOLE (1 required per assembly)
		10-28634 - Drain Screw ONLY, Priced Individually [ More info ] Unavailable
		10-79953 - Drain Screw ONLY, Priced Individually [ More info ] Unavailable
		10-79953A 2 - Drain Screw Kit [ More info ] Unavailable
		10-79953Q 2 - Screw Kit - Priced Individually [ More info ] Unavailable
		10-79953Q04 - Screw Kit - Priced Individually [ More info ] $7.20 10+ In Stock.
		18-2244 - Plug Kit, 10-79953A2 [ More info ] $3.59 10+ In Stock.
		10-79953K04 - Drain Screw - Priced Individually [ More info ] $7.20 10+ In Stock.
#51	12-20260	WASHER, GEAR HOUSING GREASE FILLER AND VENT HOLE SCREW (1 required per assembly)
		12-20260 - Sealing Washer [ More info ] Unavailable
		12-19183 - Washer (3/8 Inch Screw) [ More info ] Unavailable
		12-19183 2 - Washer - Priced Individually [ More info ] Unavailable
		12-19183 3 - Seal -Blue - Priced Individually [ More info ] $1.40 10+ In Stock.
		18-2945-9 - Gasket 12-19183 2-Pack [ More info ] $2.29 Available to Order: Usually ships within 10 days.
		12-19183Q02 - Seals, Pack of 4 (yes this is actually a pack of 4) [ More info ] $6.40 10+ In Stock.
		12-19183K02 - Seal, Pack of 4 [ More info ] $6.40 10+ In Stock.