Parts for Mercury Marine 50 HP Bigfoot (4-Stroke) Gearhousing (Prop Shaft) (1.83:1 / 2:1 Gear Ratio)

Revise Search: All Models > 50 HP Bigfoot (4-Stroke) > 9944807 - 0P016999 (Belgium) > Gearhousing (Prop Shaft) (1.83:1 / 2:1 Gear Ratio)

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

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 ]

#-	1682-821306A24	GEAR HOUSING (1 required per assembly) (BLACK) S/N-0G442710 & UP 1.83:1 GEAR RATIO
		1682-821306A24 - 1682-821306A24 - GEAR HOUSING ASSE O [ More info ] Unavailable Replaced by 1682-821306T24
		1682-821306T24 - Gearcase 30-50 4S Black [ More info ] $2,057.14 Available to order: Usually ships within 8 days.
#-	1682-821306A25	GEAR HOUSING (1 required per assembly) (GRAY) S/N-0G442710 & UP 1.83:1 GEAR RATIO
		1682-821306A25 - 1682-821306A25 - GEAR HOUSING ASSE O [ More info ] Unavailable Replaced by 1682-821306T25
		1682-821306T25 - GEAR HOUSING ASSE O NLA [ More info ] Unavailable
#-	1682-821306A17	GEAR HOUSING (1 required per assembly) (BLACK) S/N-0G442709 & BELOW; 2:1 GEAR RATIO
		1682-821306A17 - 1682-821306A17 - GEAR HOUSING ASSE O [ More info ] Unavailable Replaced by 1682-821306T17
		1682-821306T17 - Gearcase 30/40 4S 3C Lg [ More info ] $2,057.14 Available to order: Usually ships within 8 days.
#-	1682-821306A18	GEAR HOUSING (1 required per assembly) (GRAY) S/N-0G442709 & BELOW; 2:1 GEAR RATIO
		1682-821306A18 - 1682-821306A18 - GEAR HOUSING ASSE O [ More info ] Unavailable Replaced by 1682-821306T18
		1682-821306T18 - GEAR HSG-L-GRAY O NLA [ More info ] Unavailable
#1	1682-821306A12	GEAR HOUSING (1 required per assembly) (BLACK)
		1682-821306A12 - 1682-821306A12 - GEAR HOUSING ASSE O [ More info ] Unavailable Replaced by 1682-821306T12
		1682-821306T12 - Gear Housing -Basic-bl [ More info ] $754.07 Available to order: Usually ships within 8 days.
#1	1682-821306A13	GEAR HOUSING (1 required per assembly) (GRAY)
		1682-821306A13 - 1682-821306A13 - GEAR HOUSING ASSE O [ More info ] Unavailable Replaced by 1682-821306T13
		1682-821306T13 - GEAR HOUSING ASSE O NLA [ More info ] Unavailable
#39	17-821327	DOWEL PIN (2 required per assembly)
		17-821327 - Pin -Dowel [ More info ] $2.50 Available to order: Usually ships within 8 days.
#40	27-823942	GASKET WATER TUBE (1 required per assembly)
		27-823942 - Gasket [ More info ] $1.40 Available to order: Usually ships within 8 days.
#41	32-821828	TUBE (1 required per assembly)
		32-821828 - 32-821828 - TUBE O [ More info ] Unavailable Replaced by 32-8M0026108
		32-8M0026108 - Tube [ More info ] $15.30 Available to order: Usually ships within 8 days.
#42	19-824928	PLUG-RUBBER (1 required per assembly)
		19-824928 - PLUG [ More info ] $2.00 10+ in stock.
		19-824928001 - Plug [ More info ] $3.80 10+ in stock.
#43	821829	SCREEN-WATER INLET (1 required per assembly)
		821829 - Water Inlet Screen [ More info ] $8.90 10+ in stock.
#44	822157C 2	TRIM TAB (1 required per assembly)
		822157C 2 - 822157C 2 - TRIM TAB O [ More info ] Unavailable Replaced by -822157T 2
		822157T 2 - Trim Tab [ More info ] $35.75 10+ in stock.
#45	10-824970 20	SCREW (M8 X 20) (1 required per assembly)
		10-824970 20 - Screw [ More info ] $2.70 10+ in stock.
#46	12-72397	WASHER (1 required per assembly)
		12-72397 - Washer [ More info ] $2.40 10+ in stock.
#47	43-822162A 2	FORWARD GEAR (22 TEETH) (1 required per assembly) (1.83:1 GEAR RATIO)
		43-822162A 2 - 43-822162A 2 - GEAR ASSEMBLY For O [ More info ] Unavailable Replaced by 43-822162T 2
		43-822162T 2 - Forward Gear Assembly [ More info ] $283.75 Available to order: Usually ships within 8 days.
#47	43-821315A 1	FORWARD GEAR (26 TEETH) (1 required per assembly) (2:1 GEAR RATIO)
		43-821315A 1 - 43-821315A 1 - GEAR ASSEMBLY For O [ More info ] Unavailable Replaced by 43-821315T 1
		43-821315T 1 - Forward Gear Assembly [ More info ] $294.75 Available to order: Usually ships within 8 days.
#48	31-99328A 1	ROLLER BEARING ASSY. (1 required per assembly)
		31-99328A 1 - Bearing Assembly [ More info ] $32.83 2 in stock.
		31-8M0103470 - Bearing Assembly, Captive [ More info ] $39.20 $33.57 Available to order: Usually ships within 8 days.
#49	NSS	CUP (1 required per assembly)
		NSS - NOT SOLD SEPARATE O [ More info ] Unavailable
#50	31-41326	ROLLER BEARING (1 required per assembly)
		31-41326 - Bearing [ More info ] $17.20 $14.73 3 in stock.
#51	821578	FOLLOWER-CAM (1 required per assembly)
		821578 - Cam Follower [ More info ] $21.00 Available to order: Usually ships within 8 days.
#52	24-826199 1	SPRING (1 required per assembly)
		24-826199 1 - Spring [ More info ] $2.90 Available to order: Usually ships within 8 days.
#53	17-85093	PIN-CROSS (1 required per assembly)
		17-85093 - 17-85093 - PIN O [ More info ] Unavailable Replaced by 17-8M0020999
		17-8M0020999 - Pin Cross [ More info ] $6.30 Available to order: Usually ships within 8 days.
#54	52-821314	CLUTCH (1 required per assembly)
		52-821314 - 52-821314 - CLUTCH O [ More info ] Unavailable Replaced by 52-821314T
		52-821314T - Clutch [ More info ] $83.50 Available to order: Usually ships within 8 days.
#55	24-38114	SPRING (1 required per assembly)
		24-38114 - Spring [ More info ] $3.10 3 in stock.
#56	44-821577 2	PROPELLER SHAFT (1 required per assembly)
		44-821577 2 - Prop Shaft [ More info ] $411.58 Available to order: Usually ships within 8 days.
#57	43-822163	REVERSE GEAR (22 TEETH) (1 required per assembly) (1.83:1 GEAR RATIO)
		43-822163 - 43-822163 - GEAR Reverse O [ More info ] Unavailable Replaced by 43-822163 1
		43-822163 1 - 43-822163 1 - GEAR-REVERSE O [ More info ] Unavailable Replaced by 43-822163T 1
		43-822163T 1 - Reverse Gear [ More info ] $270.75 Available to order: Usually ships within 8 days.
#57	43-821312	REVERSE GEAR (26 TEETH) (1 required per assembly) (2:1 GEAR RATIO)
		43-821312 - 43-821312 - GEAR Reverse O [ More info ] Unavailable Replaced by 43-821312 1
		43-821312 1 - 43-821312 1 - GEAR Reverse - 26 O [ More info ] Unavailable Replaced by 43-821312T 1
		43-821312T 1 - Reverse Gear [ More info ] $288.92 1 in stock.
#58	30-20839	BALL BEARING (1 required per assembly)
		30-20839 - 30-20839 - BEARING Ball O [ More info ] Unavailable Replaced by 30-20839T
		30-20839T - Ball Bearing [ More info ] $68.70 $58.83 Available to order: Usually ships within 8 days.
		18-1190 - Bearing, 30-20839T [ More info ] $58.70 $47.67 In stock
#59	19291A 3	BEARING CARRIER (1 required per assembly)
		19291A 3 - Carrier Assembly [ More info ] $179.59 Available to order: Usually ships within 8 days.
		18-2370 - Bearing Carrier, 19291A3 [ More info ] $184.49 $149.77 6 in stock.
#60	25-815460	O RING (1 required per assembly)
		25-815460 - O-Ring [ More info ] $2.00 5 in stock.
#61	31-21700	NEEDLE BEARING (1 required per assembly)
		31-21700 - Bearing [ More info ] $14.10 9 in stock.
#62	26-69188	OIL SEAL (1 required per assembly)
		26-69188 - Seal [ More info ] $13.70 10+ in stock.
		18-2051 - Seal, 26-69188 [ More info ] $13.49 $9.07 10+ in stock.
#63	26-69189	OIL SEAL (1 required per assembly)
		26-69189 - Seal [ More info ] $16.30 $13.96 6 in stock.
		18-2052 - Seal, 26-69189 [ More info ] $14.99 $10.75 9 in stock.
#64	14-826613	TAB WASHER (2 required per assembly)
		14-826613 - Tab Washer - Priced Individually [ More info ] $2.50 3 in stock.
#64	12-855941	WASHER (2 required per assembly) (USE W/THREADED INSERT)
		12-855941 - Washer [ More info ] $1.00 Available to order: Usually ships within 8 days.
#65	10-40003 53	SCREW (M8 X 25) (2 required per assembly) (USE W/TAB WASHER)
		10-40003 53 - Screw - Priced Individually [ More info ] $2.00 5 in stock.
#65	10-855940 30	SCREW (2 required per assembly) (USE W/THREADED INSERT)
		10-855940 30 - Screw [ More info ] $2.10 10+ in stock.
#66	822773 1	THREADED INSERT (2 required per assembly)
		822773 1 - Insert [ More info ] $3.20 Available to order: Usually ships within 8 days.
#67	73345A 1	THRUST HUB (1 required per assembly) THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT
		73345A 1 - Thrust Washer [ More info ] $12.71 Available to order: Usually ships within 8 days.
		18-4233 - Thrust Washer, 73345A1 [ More info ] $17.09 $13.32 4 in stock.
#68	11-69578A 1	PROP NUT KIT (1 required per assembly) THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT
		11-69578A 1 - 11-69578A 1 - PROP NUT KIT O [ More info ] Unavailable Replaced by 11-69578Q 1
		11-69578Q 1 - Prop Nut Kit - Priced Individually [ More info ] $11.72 3 in stock.
		18-3704 - Nut, 11-69578 [ More info ] $17.39 $13.58 1 in stock.
		18-3702 - Nut Kit, 11-69578Q1 [ More info ] $11.96 $9.94 8 in stock.
		11-69578T 1 - Prop Nut Kit - Priced Individually [ More info ] $11.72 2 in stock.
#69	14-76281	TAB WASHER (1 required per assembly) THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT
		14-76281 - Tab Washer - Priced Individually [ More info ] $4.23 $3.44 10+ in stock.
		18-3204-9 - Washer, 14-76281, 10PK [ More info ] $16.04 $11.33 10 in stock.
		14-76281Q - Tab Washer - Priced Individually [ More info ] $4.23 1 in stock.
#70	10-40003 80	SCREW (4 required per assembly) THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT
		10-40003 80 - Screw [ More info ] $3.70 3 in stock.
#71	12-45176	WASHER (4 required per assembly) THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT
		12-45176 - Washer - Priced Individually [ More info ] $1.10 10+ in stock.
		18-4858-9 - Washer, 12-45176, 10PK [ More info ] $27.22 $17.96 8 in stock.
#72	19-95925	PLUG (1 required per assembly) THESE REPLACEMENT PARTS ARE NOT INCLUDED WITH COMPLETE GEAR HOUSING REPLACEMENT
		19-95925 - Plug [ More info ] $3.60 Available to order: Usually ships within 8 days.
#-	823547A 1	SEAL KIT (1 required per assembly)
		823547A 1 - 823547A 1 - SEAL KIT O [ More info ] Unavailable Replaced by -823547A 2
		823547A 2 - Gear Housing Seal Kit [ More info ] $85.90 $73.56 1 in stock.