Parts for Mercury Marine 70 HP (3 Cylinder) Gear Housing Assembly, Complete (Serial Group No. 3) (Page 1)

Revise Search: All Models > 70 HP (3 Cylinder) > 9135825 - 9255130 (Belgium) > Gear Housing Assembly, Complete (Serial Group No. 3) (Page 1)

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• View diagram and parts list below.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

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COMPLETE GEARCASE?
• Aftermarket gearcase may be available for less than $900 USD. 70 HP+ only. Please call.

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 ]

#-	1643-6038A19	GEAR HOUSING ASSEMBLY,COMPLETE (SHORT SHAFT)-SEE NOTE BELOW (1 required per assembly)
		1643-6038A19 - GEAR HOUSING O NLA [ More info ] Unavailable
#-	1643-6038A20	GEAR HOUSING ASSEMBLY, COMPLETE (LONG SHAFT)- SEE NOTE BELOW (1 required per assembly)
		1643-6038A20 - GEAR HOUSING O NLA [ More info ] Unavailable
#1	1643-6038A 6	GEAR HOUSING ASSEMBLY (1 required per assembly)
		1643-6038A 6 - GEAR HOUSING ASSY O NLA [ More info ] Unavailable
#2	17-46912	PIN, DOWEL-GEAR HOUSING (2 required per assembly)
		17-46912 - Pin -Dowel [ More info ] $0.50 10+ in stock.
		17-85500 - Pin -Dowel [ More info ] $3.00 10+ in stock.
		178M0084726 - Pin - Dowel [ More info ] $3.80 Available to order: Usually ships within 8 days.
#3	16-33778	STUD, WATER PUMP BODY/BASE TO GEAR HOUSING (2 5/8) (3 required per assembly)
		16-33778 - Stud [ More info ] $8.60 7 in stock.
#4	16-57933	STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (2 3/16") (2 required per assembly)
		16-57933 - Stud [ More info ] $14.13 10 in stock.
		16-8M0034453 - Stud [ More info ] $17.70 $15.15 Available to order: Usually ships within 8 days.
#5	31-62091	BEARING, ROLLER-DRIVE SHAFT (1 required per assembly)
		31-62091 - 31-62091 - BEARING Roller O [ More info ] Unavailable Replaced by 31-62091T
		31-62091T - Bearing [ More info ] $51.58 Available to order: Usually ships within 8 days.
#6	72849A 1	SCREEN ASSEMBLY, PORT AND STARBOARD (SHORT SHAFT) (1 required per assembly)
		72849A 1 - Screen Assembly, NLA [ More info ] $45.22 1 in stock.
#6	63850	SCREEN WATER INTAKE-STARBOARD (LONG SHAFT) (1 required per assembly)
		63850 - Water Intake Screen, Starboard [ More info ] $10.00 10+ in stock.
#6	63851	SCREEN, WATER INTAKE-PORT (LONG SHAFT) (1 required per assembly)
		63851 - 63851 - SCREEN O [ More info ] Unavailable Replaced by -72849A 1
#7	10-36070	SCREW, SCREENS TO GEAR HOUSING (1 1/4") (1 required per assembly)
		10-36070 - Screw - Priced Individually [ More info ] $5.80 10+ in stock.
#8	11-45812	NUT,SCREEN TO GEAR HOUSING SCREW (1 required per assembly)
		11-45812 - Nut - Priced Individually [ More info ] $2.25 5 in stock.
		11-859124 - Nut - Priced Individually [ More info ] $14.08 10 in stock.
#9	38071	PLATE, SUPPORT - EXHAUST TUBE SEAL (1 required per assembly)
		38071 - 38071 - PLATE O [ More info ] Unavailable Replaced by -92815
		92815 - Support Plate, Exhaust Tube [ More info ] $17.33 3 in stock.
#10	37721	SEAL, EXHAUST TUBE (1 required per assembly)
		37721 - 37721 - SEAL O [ More info ] Unavailable Replaced by -37721001
		37721001 - Seal - Priced Individually [ More info ] $10.50 2 in stock.
		18-0539 - Seal, 37721 37721-001 [ More info ] $8.99 $7.23 6 in stock.
#11	43-60245	GEAR, PINION - DRIVE SHAFT (1 required per assembly)
		43-60245 - Pinion Gear [ More info ] $180.00 10+ in stock.
#12	11-55910	NUT, PINION GEAR TO DRIVE SHAFT (1 required per assembly)
		11-55910 - Nut - Priced Individually [ More info ] $4.20 $2.84 10+ in stock.
#13	27-32771	GASKET, WATER PUMP BASE TO GEAR HOUSING (1 required per assembly)
		27-32771 - Gasket - Priced Individually [ More info ] $2.80 10 in stock.
		18-2825-9 - Gasket 27-32771 2-Pack [ More info ] $8.14 $4.67 1 in stock.
#14	25-26855	"O" RING, WATER PUMP BASE (1 required per assembly)
		25-26855 - O-Ring - Priced Individually [ More info ] $2.70 10+ in stock.
		18-7155-9 - (PK5) O-Ring 25-26855 [ More info ] $14.95 $8.73 1 in stock.
#15	46-73640A 1	WATER PUMP BASE ASSEMBLY (1 required per assembly)
		46-73640A 1 - Water Pump Assembly [ More info ] $42.17 10+ in stock.
		46-73640T01 - Water Pump Base Assembly [ More info ] $48.50 $41.52 4 in stock.
		18-3423 - Water Pump Base, 46-73640A1 [ More info ] $39.16 $30.94 1 in stock.
#16	26-26782	OIL SEAL, WATER PUMP BASE (1 required per assembly)
		26-26782 - 26-26782 - OIL SEAL AT 2 O [ More info ] Unavailable Replaced by 26-79831
		26-79831 - Seal [ More info ] $13.60 10+ in stock.
		18-2055 - Seal, 26-79831 [ More info ] $11.33 $8.75 2 in stock.
#17	26-23300	OIL SEAL, WATER PUMP BASE (1 required per assembly)
		26-23300 - 26-23300 - SEAL Oil O [ More info ] Unavailable Replaced by 26-90562
		26-90562 - Seal - Priced Individually [ More info ] $16.90 $14.47 10+ in stock.
		18-2011 - Seal 26-90562 [ More info ] $13.91 $9.94 3 in stock.
#18	17-35973	DOWELL PIN, WATER PUMP BASE TO WATER PUMP BODY (2 required per assembly)
		17-35973 - Pin -Dowel - Priced Individually [ More info ] $1.40 10+ in stock.
		18-3227-9 - Pin, 17-35973, 5PK [ More info ] $9.95 $8.31 1 in stock.
#19	27-32769	GASKET, LOWER - WATER PUMP BASE TO FACE PLATE (1 required per assembly)
		27-32769 - 27-32769 - GASKET O [ More info ] Unavailable Replaced by 27-19553
		27-19553 - Gasket - Priced Individually [ More info ] $3.10 10+ in stock.
		18-2823-9 - Gasket 27-32769 2-Pack [ More info ] $6.30 $3.62 3 in stock.
#20	54705	PLATE, FACE - WATER PUMP BASE TO WATER PUMP BODY (1 required per assembly)
		54705 - Face Plate - Priced Individually [ More info ] $2.50 4 in stock.
		32768 - Face Plate, Water Pump Base to Water Pump Body [ More info ] $3.40 8 in stock.
		18-3107 - Plate 32768 [ More info ] $2.99 $2.44 1 in stock.
#21	27-32770	GASKET, UPPER - FACE PLATE TO WATER PUMP BODY (1 required per assembly)
		27-32770 - 27-32770 - GASKET O [ More info ] Unavailable Replaced by 27-19551
		27-19551 - Gasket - Priced Individually [ More info ] $1.90 10+ in stock.
		18-2824-9 - Gasket 27-32770 2-Pack [ More info ] $5.04 $2.53 1 in stock.
#22	47-65959	IMPELLER, WATER PUMP (1 required per assembly)
		47-65959 - 47-65959 - IMPELLER @4 O [ More info ] Unavailable Replaced by 47-89983
		47-89983 - 47-89983 - IMPELLER O [ More info ] Unavailable Replaced by 47-89983T
		47-89983T - Impeller [ More info ] $20.92 10+ in stock.
		18-3007 - Impeller 47-89983 [ More info ] $18.49 $13.30 10+ in stock.
#23	28-56662	KEY, IMPELLER DRIVE (1 required per assembly)
		28-56662 - 28-56662 - KEY O [ More info ] Unavailable Replaced by 28-8M0032837
		28-8M0032837 - Key - Priced Individually [ More info ] $4.30 10+ in stock.
#24	46-48746A 1	WATER PUMP BODY ASSEMBLY (1 required per assembly)
		46-48746A 1 - 46-48746A 1 - BODY ASSY O [ More info ] Unavailable Replaced by 46-77822A 1
		46-77822A 1 - Water Pump Body [ More info ] $27.30 $23.37 4 in stock.
		18-3118 - Water Pump Housing, 46-77822A1 [ More info ] $22.99 $17.91 6 in stock.
#25	48753	INSERT, WATER PUMP BODY (1 required per assembly)
		48753 - Water Pump Body Insert [ More info ] $5.30 10 in stock.
		18-3115 - Cup, 48753 [ More info ] $4.99 $3.71 10+ in stock.
#26	12-29245	WASHER, WATER PUMP BODY AND BASE STUDS (3 required per assembly)
		12-29245 - Washer [ More info ] $0.90 10+ in stock.
		18-4275 - SS Washer [ More info ] $1.99 $1.65 2 in stock.
#27	11-36069	NUT, WATER PUMP BODY AND BASE STUDS (3 required per assembly)
		11-36069 - Nut - Priced Individually [ More info ] $3.40 10+ in stock.
#28	26-38452	SEAL, WATER PUMP BODY TO WATER TUBE (1 required per assembly)
		26-38452 - Seal - Priced Individually [ More info ] $3.40 10+ in stock.
#29	12-38453	WASHER, CUPPED - WATER TUBE SEAL (1 required per assembly)
		12-38453 - Washer - Priced Individually [ More info ] $0.90 10+ in stock.
#30	25-20273	RING, RUBBER - CENTRIFUGAL SLINGER (1 required per assembly)
		25-20273 - O-Ring - Priced Individually [ More info ] $1.10 10+ in stock.
#31	10-28634	SCREW, GREASE FILLER AND VENT HOLE (2 required per assembly)
		10-28634 - 10-28634 - SCREW (.375-16) O [ More info ] Unavailable Replaced by 10-79953
		10-79953 - 10-79953 - SCREW (.375-16 x O [ More info ] Unavailable Replaced by 10-79953A 2
		10-79953A 2 - Drain Screw Kit [ More info ] $3.50 10+ in stock.
		10-79953Q 2 - 10-79953Q 2 - SCREW KIT (.375-1 O [ More info ] Unavailable Replaced by 10-79953Q04
		10-79953Q04 - Screw Kit - Priced Individually [ More info ] $5.90 10+ in stock.
		18-2244 - Plug Kit, 10-79953A2 [ More info ] $3.08 $2.16 10+ in stock.
		10-79953K04 - Drain Screw - Priced Individually [ More info ] $5.90 10+ in stock.
#32	12-20260	WASHER, GREASE FILLER AND VENT HOLE SCREW (2 required per assembly)
		12-20260 - 12-20260 - WASHER O [ More info ] Unavailable Replaced by 12-19183
		12-19183 - 12-19183 - WASHER Fiber O [ More info ] Unavailable Replaced by 12-19183 2
		12-19183 2 - 12-19183 2 - WASHER O [ More info ] Unavailable Replaced by 12-19183 3
		12-19183 3 - Seal -Blue - Priced Individually [ More info ] $1.00 10+ in stock.
		18-2945-9 - Gasket 12-19183 2-Pack [ More info ] $2.78 $1.52 10+ in stock.
		12-19183Q02 - Seals, Pack of 4 (yes this is actually a pack of 4) [ More info ] $5.20 10+ in stock.
		12-19183K02 - Seal, Pack of 4 [ More info ] $5.20 10+ in stock.
#35	76063A 1	SHAFT ASSEMBLY, SHIFT - LOWER (1 required per assembly)
		76063A 1 - Shaft Assembly [ More info ] $75.00 4 in stock.
#36	53-29641	CLIP, RETAINING - SHIFT SHAFT (1 required per assembly)
		53-29641 - E Ring - Priced Individually [ More info ] $1.40 7 in stock.
		18-4295-9 - Clip, 53-29461, 2PK [ More info ] $2.98 $1.83 10+ in stock.
#37	25-25439	"O" RING, SHIFT SHAFT BUSHING (1 required per assembly)
		25-25439 - O-Ring - Priced Individually [ More info ] $1.50 10+ in stock.
		18-7420-9 - O-Ring (PK5) 25-21836 [ More info ] $10.26 $4.46 8 in stock.
#38	23-55419A 1	BUSHING ASSEMBLY, SHIFT SHAFT (1 required per assembly)
		23-55419A 1 - 23-55419A 1 - BUSHING ASSY O [ More info ] Unavailable Replaced by 23-77631A 2
		23-77631A 2 - Bushing Assembly [ More info ] $27.10 $23.21 6 in stock.
		18-2155 - Bushing, 23-77631A2 [ More info ] $21.20 $16.87 9 in stock.
#39	26-24590	OIL SEAL, SHIFT SHAFT BUSHING (LOWER) (1 required per assembly)
		26-24590 - Seal - Priced Individually [ More info ] $10.00 10+ in stock.
		18-2048 - Seal 26-24590 [ More info ] $8.99 $6.66 3 in stock.
#40	26-31249	OIL SEAL, SHIFT SHAFT BUSHING (UPPER) (1 required per assembly)
		26-31249 - 26-31249 - OIL SEAL @5 O [ More info ] Unavailable Replaced by 26-46021
		26-46021 - 26-46021 - SEAL Oil O [ More info ] Unavailable Replaced by 26-89236
		26-89236 - Seal [ More info ] $6.50 10+ in stock.
		26-89236 1 - Seal [ More info ] $12.50 $7.01 10+ in stock.
		18-2009 - Seal, 26-89236 [ More info ] $10.81 $7.51 10+ in stock.
#41	12-31266	WASHER, RUBBER - SHIFT SHAFT BUSHING (1 required per assembly)
		12-31266 - Washer - Priced Individually [ More info ] $0.80 Available to order: Usually ships within 8 days.
		18-2340-9 - Washer, 12-31266, 5PK [ More info ] $7.45 $2.85 1 in stock.
#42	39019	BASE, LOWER - REVERSE LOCKING- NOT PART OF GEAR HOUSING (1 required per assembly)
		39019 - Base , Priced Individually [ More info ] $2.54 10+ in stock.
		78036 - Reverse Locking Base - Priced Individually [ More info ] $5.60 10+ in stock.
#43	39021	CAM, REVERSE LOCKING - NOT PART OF GEAR HOUSING (1 required per assembly)
		39021 - 39021 - CAM O [ More info ] Unavailable Replaced by -98316
		98316 - 98316 - CAM O [ More info ] Unavailable Replaced by -43308
		43308 - 43308 - CAM O [ More info ] Unavailable Replaced by -43308 1
		43308 1 - 43308 1 - CAM O [ More info ] Unavailable Replaced by -43308T 1
		43308T 1 - Cam [ More info ] $42.50 10+ in stock.
#44	45-74855A 1	DRIVE SHAFT ASSEMBLY (SHORT SHAFT) (1 required per assembly)
		45-74855A 1 - Drive Shaft Assembly [ More info ] $118.05 1 in stock.
		45-76089A 2 - Drive Shaft Assembly, NLA [ More info ] $150.00 5 in stock.
#44	45-74854A 1	DRIVE SHAFT ASSEMBLY (LONG SHAFT) (1 required per assembly)
		45-74854A 1 - 45-74854A 1 - DRIVE SHAFT ASSY O [ More info ] Unavailable Replaced by 45-76088A 2
		45-76088A 2 - Drive Shaft Assembly, NLA [ More info ] $180.00 10+ in stock.
#45	24-20254	SPRING, COMPRESSION - DRIVE SHAFT (1 required per assembly)
		24-20254 - Spring, NLA [ More info ] $10.00 10+ in stock.
#46	17-30545	PIN, DRIVE SHAFT (1 required per assembly)
		17-30545 - Pin - Priced Individually [ More info ] $4.50 10+ in stock.
#47	23-60242	SLEEVE, LUBRICATION - DRIVE SHAFT (1 required per assembly)
		23-60242 - 23-60242 - SLEEVE O [ More info ] Unavailable Replaced by -88181
		88181 - Lubrication Sleeve [ More info ] $11.50 10+ in stock.
#48	15-20929A 1	SHIM, BEARING TO GEAR HOUSING (.002-3-5-10) (AR required per assembly)
		15-20929A 1 - Shim Set, NLA [ More info ] $10.00 10+ in stock.
#49	31-38146A 1	ROLLER BEARING ASSEMBLY, TAPERED - DRIVE SHAFT (1 required per assembly)
		31-38146A 1 - Bearing [ More info ] $160.08 10+ in stock.
#-	A-46-73640A 2	WATER PUMP KIT
		46-73640A 2 - Water Pump Kit [ More info ] $102.50 1 in stock.
		18-3323 - Water Pump Kit 46-73640A2 [ More info ] $87.62 $69.22 10 in stock.
#-	C-26-79831A 1	SEAL KIT
		26-79831A 1 - Seal Kit [ More info ] $98.20 $84.09 In stock
		18-2654 - Seal Kit 26-79831A1 [ More info ] $69.99 $52.46 10+ in stock.
#-	A-27-76589A77	GASKET SET
		27-76589A77 - 27-76589A77 - GASKET SET O [ More info ] Unavailable Replaced by 27-88449A32
		27-88449A32 - Gasket Set [ More info ] $97.42 Available to order: Usually ships within 8 days.
		18-4357 - Gasket Set 27-88449A32 [ More info ] $97.99 $78.81 In stock
#-	A-27-76589A78	GASKET SET
		27-76589A78 - 27-76589A78 - GASKET SET O [ More info ] Unavailable Replaced by 27-76589A79
		27-76589A79 - 27-76589A79 - GASKET SET O [ More info ] Unavailable Replaced by 27-88449A80
		27-88449A80 - 27-88449A80 - GASKET SET O [ More info ] Unavailable Replaced by 27-88449A32
#-	A-27-76589A79	GASKET SET