Parts for Mercury Marine 125 HP (4 Cylinder) Gear Housing, Propeller Shaft - 2.07:1 Gear Ratio

Revise Search: All Models > 125 HP (4 Cylinder) > 0T980000 - 0T999999 (USA) > Gear Housing, Propeller Shaft - 2.07:1 Gear Ratio

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NEED PARTS OR KITS?
• 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 ]

#-	1667-9011J 6	GEAR HOUSING ASSEMBLY (Complete)(Long-20 Inch Model) Torpedo Diameter - 4.25 Inch / 107.95 mm (1 required per assembly) NOTE: See Accessory Guide - Propeller Section- For Appropriate Hardware. (Thrust Washers/Nuts)
		1667-9011J 6 - Gearcase 115-125 Lg Black [ More info ] $2,178.57 Available to order: Usually ships within 8 days.
		90-205-A20 - SE205 Lower Unit Mercury 3 and 4 Cylinder, 2.07 to 1, 2 Stroke, 20 Inch - Special Order - No Returns [ More info ] $895.00 $895.00 Call to order
#-	1667-9011J 9	GEAR HOUSING ASSEMBLY (Complete)(X-Long-25 Inch Model) Torpedo Diameter - 4.25 Inch / 107.95 mm (1 required per assembly) NOTE: See Accessory Guide - Propeller Section- For Appropriate Hardware. (Thrust Washers/Nuts)
		1667-9011J 9 - Gearcase 115-125 Xl Black [ More info ] $2,178.57 Available to order: Usually ships within 8 days.
		90-205-A25 - SE205 Lower Unit Mercury 3 and 4 Cylinder, 2.07 to 1, 2 Stroke, 25 Inch - Special Order - No Returns [ More info ] $895.00 $895.00 Call to order
#-	1667-9011J15	GEAR HOUSING ASSEMBLY (Complete) Torpedo Diameter - 4.25 Inch / 107.95 mm (1 required per assembly) (High Altitude-2.33:1 Ratio)
		1667-9011J15 - Gearcase 75-125 Lg 2.33 [ More info ] $2,178.57 Available to order: Usually ships within 8 days.
		90-205-B20 - SE205 Lower Unit Mercury 3 and 4 Cylinder, 2.33 to 1, 2 Stroke, 20 Inch - Special Order - No Returns [ More info ] $895.00 $895.00 Call to order
#1	1667-9011G59	GEAR HOUSING ASSEMBLY, Basic (1 required per assembly)
		1667-9011G59 - Gear Housing -Basic-bl [ More info ] $1,313.93 Available to order: Usually ships within 8 days.
		18-4830 - Gear Housing Assembly [ More info ] $1,299.10 Available to order: Usually ships within 8 days.
#2	31-30894A 1	BEARING SET, Cup And Cone (1 required per assembly)
		31-30894A 1 - Bearing Set [ More info ] $52.80 $45.21 3 in stock.
		18-1156 - Bearing 31-30894A1 [ More info ] $47.40 $37.67 3 in stock.
#3	NSS	NOT SOLD SEPARATE, Cup (1 required per assembly)
		NSS - NOT SOLD SEPARATE O [ More info ] Unavailable
#4	43-881260A 3	GEAR, Forward - 29 Teeth (1 required per assembly)
		43-881260A 3 - Forward Gear Kit [ More info ] $441.79 1 in stock.
		18-1550 - Complete Gear Set -4 Cyl [ More info ] $824.73 $727.40 1 in stock.
#4	43-882813A 3	GEAR KIT, Forward And Pinion 28 Teeth (1 required per assembly) (High Altitude-2.33:1 Ratio)
		43-882813A 3 - Forward Gear Kit [ More info ] $634.42 Available to order: Usually ships within 8 days.
#5	31-30895T	BEARING, Needle (1 required per assembly)
		31-30895T - Bearing [ More info ] $17.90 $15.33 10 in stock.
		18-1157 - Bearing 31-30895 [ More info ] $19.84 $15.38 6 in stock.
#6	53-856823	RING, Retaining (1 required per assembly)
		53-856823 - Ring - Retaining [ More info ] $8.30 1 in stock.
#7	850315A 1	FOLLOWER KIT, Cam (1 required per assembly)
		850315A 1 - Cam Follower Kit [ More info ] $40.92 3 in stock.
#8	30-44530	BALL (3 required per assembly)
		30-44530 - Ball - (.219) - Priced Individually [ More info ] $1.90 10+ in stock.
#10	24-850327	SPRING (1 required per assembly)
		24-850327 - Spring [ More info ] $1.90 Available to order: Usually ships within 8 days.
#11	17-30632	PIN, Cross (1 required per assembly)
		17-30632 - Pin - Cross - Priced Individually [ More info ] $1.50 10+ in stock.
		17-8M0020941 - Pin - Priced Individually [ More info ] $2.30 6 in stock.
		17-8M0084681 - 17-8M0084681 - PIN Cross O [ More info ] Unavailable Replaced by 17-8M0100263
		17-8M0100263 - Pin - Priced Individually [ More info ] $3.30 2 in stock.
		18-2357 - Pin, 17-30632 [ More info ] $3.49 $2.71 1 in stock.
#12	24-30893	SPRING (1 required per assembly)
		24-30893 - Spring - Priced Individually [ More info ] $1.90 $1.14 10+ in stock.
		18-2348-9 - Spring, 24-30893, 2PK [ More info ] $8.98 $6.46 3 in stock.
#13	52-850048T	CLUTCH (1 required per assembly)
		52-850048T - Clutch [ More info ] $225.75 1 in stock.
		18-1562 - Clutch - Special Order - No Returns [ More info ] $224.96 In stock - special order item.
#14	44-850308	PROPELLER SHAFT (1 required per assembly)
		44-850308 - Prop Shaft [ More info ] $482.14 2 in stock.
#15	43-850036T	GEAR, Reverse - 29 Teeth (1 required per assembly)
		43-850036T - Reverse Gear [ More info ] $255.42 1 in stock.
		18-1560 - Reverse Gear [ More info ] $242.66 2 in stock.
#15	43-882814T	GEAR, Reverse - 28 Teeth (1 required per assembly) (High Altitude-2.33:1 Ratio)
		43-882814T - Reverse Gear [ More info ] $298.25 1 in stock.
#16	12596T 2	CARRIER ASSEMBLY, Bearing (1 required per assembly)
		12596T 2 - Bearing Carrier Assembly [ More info ] $211.08 1 in stock.
#17	25-97386	O-RING, (3.609 x .139) (1 required per assembly)
		785-97386 - 785-97386 - O-RING (3.609 x . O [ More info ] Unavailable Replaced by 25-861844
		25-861844 - O-Ring [ More info ] $5.90 10+ in stock.
		18-7961 - O-Ring 25-97386 [ More info ] $5.14 $3.73 8 in stock.
		18-7167-9 - O-Ring (PK5) 25-47254, 310414 [ More info ] $22.45 $14.02 2 in stock.
#18	31-30956T	BEARING, Needle (1 required per assembly)
		31-30956T - Bearing [ More info ] $17.70 10+ in stock.
		18-1158 - Bearing 31-30956, 387247 [ More info ] $14.16 $10.75 10+ in stock.
#19	26-70080	SEAL, Oil (Inner) (1 required per assembly)
		26-70080 - Seal [ More info ] $18.70 $16.02 10+ in stock.
#20	26-70081	SEAL, Oil (Outer) (1 required per assembly)
		26-70081 - Seal [ More info ] $16.92 10+ in stock.
		18-2053 - Seal 26-70081 [ More info ] $17.00 $12.07 10+ in stock.
#21	31-12578T	BEARING, Roller (1 required per assembly)
		31-12578T - Bearing [ More info ] $25.83 Available to order: Usually ships within 8 days.
		18-1113 - Bearing 31-12578 [ More info ] $23.67 $23.47 Available to order: Usually ships within 8 days.
#22	12-12577	THRUST WASHER (1 required per assembly)
		12-12577 - Washer [ More info ] $10.10 2 in stock.
		18-1191 - Thrust Washer, 12-12577 [ More info ] $9.13 2 in stock.
#23	31-12576	BEARING, Thrust (1 required per assembly)
		31-12576 - Bearing [ More info ] $24.70 $21.15 Available to order: Usually ships within 8 days.
		18-1112 - Bearing 31-12576 [ More info ] $20.90 $20.19 1 in stock.
#24	16-42917 2	STUD, (M8 x 48) (2 required per assembly)
		16-42917 2 - 16-42917 2 - STUD (M8 x 48) O [ More info ] Unavailable Replaced by 16-8M0034456
		16-8M0034456 - Stud [ More info ] $4.80 Available to order: Usually ships within 8 days.
#25	12-855941	WASHER (2 required per assembly)
		12-855941 - Washer [ More info ] $1.00 Available to order: Usually ships within 8 days.
#26	11-40137 8	NUT, (M8) (2 required per assembly)
		11-40137 8 - Nut [ More info ] $8.00 Available to order: Usually ships within 8 days.
#27	15-44491A 1	SHIM SET (006 Thru 038) (1 required per assembly)
		15-44491A 1 - Shim Set [ More info ] $10.00 10+ in stock.
#28	822773 1	INSERT, Threaded (2 required per assembly)
		822773 1 - Insert [ More info ] $3.40 Available to order: Usually ships within 8 days.
#-	43055A 4	COVER ASSEMBLY, Water Pump (1 required per assembly)
		43055A 4 - Water Pump Cover Assembly [ More info ] $98.25 6 in stock.
#-	27-13461A99	GASKET SET (1 required per assembly)
		27-13461A99 - Gasket Set [ More info ] $216.17 In stock
		18-4340 - Gasket Set, 27-13461A99 [ More info ] $225.99 $182.19 1 in stock.