Parts for MerCruiser R / MR / Alpha One (Sterndrive) 1983-1990 Gear Housing (Driveshaft) - R

Revise Search: All Models > R / MR / Alpha One (Sterndrive) 1983-1990 > 6225577 - 0D469858 > Gear Housing (Driveshaft) - R

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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 ]

#	26-32511A 1	SEAL KIT (1 required per assembly)
		26-32511A 1 - Seal Kit [ More info ] $74.33 In Stock
		18-2648 - Seal Kit, 26-32511A1 [ More info ] $53.66 In Stock
#	46-57234T 1	PUMP KIT, Water (1 required per assembly)
		46-57234T 1 - Water Pump Base Kit [ More info ] $51.03 1 In Stock.
#	43-803079T 1	REPAIR KIT, Lower Gear (1 required per assembly)
		43-803079T 1 - Lower Gear Repair Kit [ More info ] Unavailable
		18-2404 - Gear Kit, 43-803079T1 [ More info ] $602.99 $346.35 In Stock
		43-96084A 7 - Gear Set [ More info ] $208.33 10+ In Stock.
#	26-33144A 2	SEAL KIT (- required per assembly)
		26-33144A 2 - Seal Kit [ More info ] $95.83 In Stock
		18-2652 - Seal Kit, 26-33144A2 [ More info ] $78.37 8 In Stock.
#	1623-8951A43	GEAR HOUSING ASSEMBLY, COMPLETE (1 required per assembly)
		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
#	46-96148A 8	BODY ASSEMBLY, Water Pump (- required per assembly)
		46-96148A 8 - Water Pump Kit, No Base [ More info ] $65.83 10+ In Stock.
		18-3517 - Water Pump Kit, No Base, 46-96148A8 [ More info ] $54.29 $49.80 10+ In Stock.
		18-3319 - Water Pump Kit 46-42579A4, With Base 18-3419 [ More info ] $67.69 $57.40 In Stock
		18-3317 - Mercury Water Pump Kit, With Base 18-3417 [ More info ] $68.99 $65.89 5 In Stock.
		18-3316 - Water Pump Kit 46-78400A2, With Base 18-3416 [ More info ] $70.59 $62.05 In Stock
		46-96148T 8 - Water Pump Kit, No Base [ More info ] $66.33 10+ In Stock.
#	47-89984T 5	IMPELLER KIT, Water Pump (1 required per assembly)
		47-89984T 5 - Water Pump Repair Kit [ More info ] $61.80 4 In Stock.
		47-89984Q 5 - Water Pump Repair Kit [ More info ] $61.80 Available to Order: Usually ships within 10 days.
#	31-803068T 1	BEARING AND SEAL KIT (1 required per assembly)
		31-803068T 1 - Bearing And Seal Kit [ More info ] $394.67 Available to Order: Usually ships within 10 days.
#1	1623-5356A 4	GEAR HOUSING 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 1	PIN, SHIFT CRANK - GEAR HOUSING (1 required per assembly)
		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 inch) (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 inch) (2 required per assembly)
		16-56298 - Stud [ More info ] $4.50 1 In Stock.
#5	26-45577 1	SEAL, GEAR HOUSING (1 required per assembly) (Component of Driveshaft Housing Seal Kit 26-32511A1) (Component of Gear Repair Kits No. 1-5)
		26-45577 1 - Seal - Priced Individually [ More info ] $4.10 10+ In Stock.
		18-2944-9 - Gasket 26-45577 2-Pack [ More info ] $5.99 $5.50 9 In Stock.
#6	16-56297 2	STUD, (.312-18/.324-24 x 3.380), WATER PUMP GEAR HOUSING (1 required per assembly)
		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 GEAR HOUSING (3-1/4 inch) (2 required per assembly)
		16-69501 - Stud [ More info ] $3.50 8 In Stock.
#9	31-92366A 1	BEARING ASSEMBLY, Roller, DRIVE SHAFT (1 required per assembly)
		31-92366A 1 - Bearing - Roller - Drive Shaft [ More info ] $31.67 $16.72 10+ 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	66884	INSERT, WATER PICKUP (PORT SIDE) (1 required per assembly)
		66884 - Water Pickup Insert [ More info ] $16.66 5 In Stock.
#12	10-76156	SCREW, (#10-32 x 1.88), INSERT TO GEAR HOUSING (1 required per assembly)
		10-76156 - Screw [ More info ] $3.30 10+ In Stock.
#13	11-45812	NUT, (#10-32) Stainless Steel, INSERT SCREW (1 required per assembly)
		11-45812 - Nut, (#10-32) [ More info ] $4.43 9 In Stock.
		11-859124 - Nut, (#10-32) Stainless Steel, Nylon Insert [ More info ] $17.92 10+ In Stock.
#14	45-41939F 1	DRIVESHAFT ASSEMBLY (1 required per assembly)
		45-41939F 1 - Drive Shaft - Black [ More info ] $769.83 2 In Stock.
#15	17-30545	PIN, DRIVESHAFT (1 required per assembly)
		17-30545 - Pin - Priced Individually [ More info ] $5.80 10+ In Stock.
#16	24-34576	SPRING, COMPRESSION - DRIVESHAFT (1 required per assembly)
		24-34576 - Spring, Compression - Drive Shaft,NLA [ More info ] $9.17 10+ In Stock.
#17	25-30613	O-RING, UPPER - DRIVESHAFT (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.
#18	43-96084A 7	GEAR SET (INCLUDES PINION AND FORWARD GEARS) (1 required per assembly)
#19	11-35921	NUT, (.625-18), PINION GEAR TO DRIVESHAFT (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.
#20	15-57007A 1	SHIM, DRIVESHAFT BEARING (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.
#21	31-53079A 1	BEARING ASSEMBLY, Tapered Roller, DRIVESHAFT (1 required per assembly)
		31-53079A 1 - Tapered Roller Bearing - Dirve Shaft [ More info ] $38.50 $9.25 10+ In Stock.
#22	27-856704	GASKET, WATER PUMP TO GEAR HOUSING (1 required per assembly)
		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.
#23	25-33145	O-RING, (1.984 x .139), WATER PUMP (1 required per assembly)
		25-33145 - O-ring, (1.984 X .139) [ More info ] $3.70 1 In Stock.
		25-8M0214923 - O RING @5 [ More info ] Unavailable
#24	46-57234A 1	BASE ASSEMBLY, Water Pump (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 1 In Stock.
#25	26-89238	SEAL, Oil, WATER PUMP (1 required per assembly)
		26-89238 - Seal [ More info ] $20.33 2 In Stock.
		18-2014 - Seal 26-89238, 26F69430 [ More info ] $17.99 $16.59 9 In Stock.
#26	26-16977	SEAL, Oil, WATER PUMP (1 required per assembly)
		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.
#27	17-35973	PIN, Dowel, WATER PUMP (2 required per assembly)
		17-35973 - Pin -Dowel - Priced Individually [ More info ] $1.70 10+ In Stock.
#28	27-85608 1	GASKET, LOWER - WATER PUMP (1 required per assembly) (Component of Lower Seal Kit 26-33144A2)
		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 2 In Stock.
#29	32435	FACE PLATE (1 required per assembly)
		32435 - Face Plate - Priced Individually [ More info ] Unavailable
		32435 1 - Face Plate [ More info ] $8.90 2 In Stock.
		8M0204677 - Wear Plate [ More info ] $8.90 10 In Stock.
#30	27-858524	GASKET, UPPER - WATER PUMP (1 required per assembly)
		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.
#31	46-96148T 1	BODY ASSEMBLY, Water Pump (1 required per assembly)
		46-96148T 1 - Water Pump Body [ More info ] $49.92 In Stock
		18-3116 - Housing 46-96148A1 [ More info ] $48.99 $44.58 3 In Stock.
#32	48752T	INSERT, WATER PUMP (1 required per assembly)
		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 $2.63 Available to Order: Usually ships within 10 days.
#33	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.
#34	47-89984T 4	IMPELLER, WATER PUMP (1 required per assembly)
		47-89984T 4 - Impeller [ More info ] $47.58 10+ In Stock.
		18-3017 - Impeller 47-89984 [ More info ] $39.99 $20.88 10+ In Stock.
#35	28-56654	KEY, IMPELLER DRIVE (1 required per assembly)
		28-56654 - Drive Key - Priced Individually [ More info ] $1.99 5 In Stock.
		28-8M0032834 - Key - Priced Individually [ More info ] $4.40 10+ In Stock.
		28-8M0214992 - KEY @5 [ More info ] Unavailable
#36	10-30720	SCREW, (.250-20 x 2.25), WATER PUMP TO GEAR HOUSING (1 required per assembly)
		10-30720 - Screw, NLA [ More info ] $17.11 10+ In Stock.
#37	12-36001	WASHER, WATER PUMP 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.
#38	11-826708 9	NUT, (.250-28), WATER PUMP STUDS (2 required per assembly)
		11-826708 9 - Nut - Priced Individually [ More info ] $1.40 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.
#39	11-45592	NUT, (.312-24), WATER PUMP STUDS (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.
#40	12-29245	WASHER, (.281 x .500 x .060) Stainless Steel, WATER PUMP 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 Available to Order: Usually ships within 10 days.
#41	25-30271	RING, Rubber, DRIVESHAFT (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.
#42	23-29804T	SLEEVE, GUIDE - WATER INLET TUBE (1 required per assembly)
		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.
#43	77481 1	SHIFT SHAFT, LOWER (1 required per assembly)
		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.
#44	53-29641	E RING, SHIFT SHAFT (1 required per assembly)
		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 4 In Stock.
#45	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.
#46	25-25439	O-RING, (.862 x .103), 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 4 In Stock.
#47	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.
#48	26-89236 1	SEAL, Oil, SHIFT SHAFT BUSHING (1 required per assembly)
		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.
#49	12-31266	WASHER, RUBBER - SHIFT SHAFT BUSHING (1 required per assembly)
		12-31266 - Washer (rubber) [ More info ] $1.10 Available to Order: Usually ships within 10 days.
#50	12-29395	WASHER, (.390 x 1.00 x .06), SHIFT SHAFT (1 required per assembly)
		12-29395 - Washer, (.390 X 1.00 X .06) [ More info ] $0.98 6 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.
#51	10-79953Q 2	SCREW KIT, (.375-16 x .250) Drain (1 required per assembly)
		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 Available to Order: Usually ships within 10 days.
		10-79953K04 - Drain Screw - Priced Individually [ More info ] $7.20 10+ In Stock.
#52	12-19183 2	WASHER, FILL/DRAIN SCREW (1 required per assembly)
		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 4 In Stock.
		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.