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Parts for MerCruiser III 1968-1972 Gear Housing Assembly, Complete

# 1636-3153A 6 GEAR HOUSING ASSEMBLY, COMPLETE (LEFT HAND ROTATION) (1 required per assembly) SERIAL 00000000-02815891
1636-3153A 6 - GEAR HOUSING ASSY O - Replaced by 1636-4354A 5
 

This part has been superseded.

1636-3153A 6 - 1636-3153A 6 - GEAR HOUSING ASSY O [ More info ]
Unavailable
Replaced by 1636-4354A 5
1636-4354A 5 - GEAR HOUSING ASSE O NLA
 

About Mercury Marine

OEM Part

1636-4354A 5 - GEAR HOUSING ASSE O NLA [ More info ]
Unavailable
# 1636-3153A 5 GEAR HOUSING ASSEMBLY, COMPLETE (RIGHT HAND ROTATION) (1 required per assembly) SERIAL 00000000-02815891
1636-3153A 5 - GEAR HOUSING ASSY O - Replaced by 1636-4354A 4
 

This part has been superseded.

1636-3153A 5 - 1636-3153A 5 - GEAR HOUSING ASSY O [ More info ]
Unavailable
Replaced by 1636-4354A 4
1636-4354A 4 - GEAR HOUSING ASSE O NLA
 

About Mercury Marine

OEM Part

1636-4354A 4 - GEAR HOUSING ASSE O NLA [ More info ]
Unavailable
# 1636-4354A 5 GEAR HOUSING ASSEMBLY, COMPLETE (LEFT HAND ROTATION) (1 required per assembly) SERIAL 02815892-09999999
# 1636-4354A 4 GEAR HOUSING ASSEMBLY, COMPLETE (RIGHT HAND ROTATION) (1 required per assembly) SERIAL 02815892-09999999
#1 1636-3153A 1 GEAR HOUSING ASSEMBLY (1 required per assembly) SERIAL 00000000-02815891
1636-3153A 1 - GEAR HOUSING ASSY O - Replaced by 1636-4354A 3
 

This part has been superseded.

1636-3153A 1 - 1636-3153A 1 - GEAR HOUSING ASSY O [ More info ]
Unavailable
Replaced by 1636-4354A 3
1636-4354A 3 - GEAR HOUSING ASSE O NLA
 

About Mercury Marine

OEM Part

1636-4354A 3 - GEAR HOUSING ASSE O NLA [ More info ]
Unavailable
#1 1636-4354A 3 GEAR HOUSING ASSEMBLY (1 required per assembly) SERIAL 02815892-09999999
#2 16-57982 STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (1 7/8") (1 required per assembly)
168M0041668 16-57982
 

About Mercury Marine

OEM Part

16-57982 - STUD [ More info ]

Add to shopping cart $23.53
3 in stock. Explain stock levels

STUD (.437-14/.437-20 x 16-8M0041668
 

About Mercury Marine

OEM Part

16-8M0041668 - Stud [ More info ]

Add to shopping cart $11.10
Available to order: Usually ships within 8 days. Explain stock levels

#3 16-57986 STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (2 9/16") (1 required per assembly)
16-57986 - STUD              O - Replaced by 16-57985
 

This part has been superseded.

16-57986 - 16-57986 - STUD O [ More info ]
Unavailable
Replaced by 16-57985
STUD 16-57985
 

About Mercury Marine

OEM Part

16-57985 - Stud [ More info ]

Add to shopping cart $25.02
1 in stock. Explain stock levels

#4 31-35246 ROLLER BEARING, DRIVE SHAFT (1 required per assembly)
BEARING,NLA 31-35246
31-35246

About Mercury Marine

OEM Part

31-35246 - Bearing, NLA [ More info ]

Add to shopping cart $90.00
10+ in stock. Explain stock levels

Pinion Bearing
18-1120

About Sierra Marine

OEM Match

18-1120 - Bearing - Special Order - No Returns [ More info ]

Add to shopping cart $120.54
In stock - special order item. Explain stock levels

#5 16-57981 STUD, BEARING RETAINER TO GEAR HOUSING (3") (4 required per assembly)
16-57981 - STUD              O NLA
 

About Mercury Marine

OEM Part

16-57981 - STUD O NLA [ More info ]
Unavailable
#6 34127A 1 TRIM TAB ASSEMBLY, GEAR HOUSING (1 required per assembly)
34127T1 34127A 1
34127A 1

About Mercury Marine

OEM Part

34127A 1 - Trim Tab [ More info ]

Add to shopping cart $8.00
9 in stock. Explain stock levels

34127T2 34127T 1
34127T 1

About Mercury Marine

OEM Part

34127T 1 - Trim Tab [ More info ]

Add to shopping cart $14.90
2 in stock. Explain stock levels

TRIM TAB ASSEMBLY 34127T 2
34127T 2

About Mercury Marine

OEM Part

34127T 2 - Trim Tab [ More info ]

Add to shopping cart $20.17
4 in stock. Explain stock levels

Trim Tab
18-6012

About Sierra Marine

OEM Match

18-6012 - Trim Tab, Zinc 34127A1 [ More info ]

Add to shopping cart $18.99 $17.54
1 in stock. Explain stock levels

#7 10-49354 SCREW, TRIM TAB TO GEAR HOUSING (2 1/2") (1 required per assembly)
10-49354 - SCREW             O - Replaced by 10-41350
 

This part has been superseded.

10-49354 - 10-49354 - SCREW O [ More info ]
Unavailable
Replaced by 10-41350
SCREW (.437-14 x 2.50) 10-41350
10-41350

About Mercury Marine

OEM Part

10-41350 - Screw [ More info ]

Add to shopping cart $20.09 $16.27
10+ in stock. Explain stock levels

#8 15-47295A 1 SHIM ASSEMBLY, ROLLER BEARING TO GEAR HOUSING (.002-3-5-10) (AR required per assembly)
SHIM SET,NLA 15-47295A 1
 

About Mercury Marine

OEM Part

15-47295A 1 - Shim Set, NLA [ More info ]

Add to shopping cart $50.00
5 in stock. Explain stock levels

#9 31-47484A 1 TAPERED ROLLER BEARING ASSEMBLY, PROPELLER GEAR (1 required per assembly)
BEARING,NLA 31-47484A 1
 

About Mercury Marine

OEM Part

31-47484A 1 - Bearing,NLA [ More info ]

Add to shopping cart $96.00
1 in stock. Explain stock levels

#10 43-53572A 2 GEAR ASSEMBLY (DRIVE AND PINION) (1 required per assembly)
43-53572A 2 - GEAR ASSEMBLY     O NLA
 

About Mercury Marine

OEM Part

43-53572A 2 - GEAR ASSEMBLY O NLA [ More info ]
Unavailable
#11 23-48016 SPACER, SPLIT - PROPELLER SHAFT (1 required per assembly)
23-48016 - SPACER            O NLA
 

About Mercury Marine

OEM Part

23-48016 - SPACER O NLA [ More info ]
Unavailable
#12 23-48015 SPACER, PROPELLER SHAFT (1 required per assembly)
SPACER,NLA 23-48015
 

About Mercury Marine

OEM Part

23-48015 - Spacer, NLA [ More info ]

Add to shopping cart $24.00
1 in stock. Explain stock levels

#13 53515A 1 ADAPTOR ASSEMBLY, TAPERED ROLLER BEARING (1 required per assembly) SERIAL 00000000-02529424
53516 53515A 1
 

About Mercury Marine

OEM Part

53515A 1 - Adaptor Assembly [ More info ]

Add to shopping cart $42.65
5 in stock. Explain stock levels

ADAPTOR,NLA 53516
 

About Mercury Marine

OEM Part

53516 - Adaptor, NLA [ More info ]

Add to shopping cart $290.00
1 in stock. Explain stock levels

#13 53516 ADAPTOR, TAPERED ROLLER BEARING (1 required per assembly) SERIAL 02529425-09999999
#14 23-48011 SLEEVE, TAPERED ROLLER BEARING ADAPTOR (1 required per assembly)
23-48011 - SLEEVE            O NLA
 

About Mercury Marine

OEM Part

23-48011 - SLEEVE O NLA [ More info ]
Unavailable
#15 17-53308 PIN, DOWEL - ADAPTOR SLEEVE (1 required per assembly)
PIN-DOWEL 17-53308
 

About Mercury Marine

OEM Part

17-53308 - Pin -Dowel [ More info ]

Add to shopping cart $1.00
10+ in stock. Explain stock levels

#17 15-47297A 1 SHIM ASSEMBLY, ROLLER BEARING TO THRUST RING (.002-3-5-10) (AR required per assembly)
SHIM SET,NLA 15-47297A 1
 

About Mercury Marine

OEM Part

15-47297A 1 - Shim Set, NLA [ More info ]

Add to shopping cart $25.00
2 in stock. Explain stock levels

#18 44-47893 PROPELLER SHAFT (1 1/4-7 THREAD) (1 required per assembly)
44-47893 - PROPELLER SHAFT   O - Replaced by 44-53185A 1
 

This part has been superseded.

44-47893 - 44-47893 - PROPELLER SHAFT O [ More info ]
Unavailable
Replaced by 44-53185A 1
44-53185A 1 - PROPELLER SHAFT A O NLA
 

About Mercury Marine

OEM Part

44-53185A 1 - PROPELLER SHAFT A O NLA [ More info ]
Unavailable
#18 44-53185A 1 PROPELLER SHAFT ASSEMBLY (1 14-12 THREAD) (1 required per assembly)
#19 47307 RING, THRUST - BEARING CARRIER (1 required per assembly)
47307 - RING              O NLA
 

About Mercury Marine

OEM Part

47307 - RING O NLA [ More info ]
Unavailable
#20 25-47298 "O" RING, BEARING CARRIER (1 required per assembly)
25-47298 - O-RING            O NLA
25-47298

About Mercury Marine

OEM Part

25-47298 - O-RING O NLA [ More info ]
Unavailable
#21 47318A 1 BEARING CARRIER ASSEMBLY (1 required per assembly) SERIAL 00000000-02529424
47318A 1 - CARRIER ASSY      O - Replaced by -52623A 2
 

This part has been superseded.

47318A 1 - 47318A 1 - CARRIER ASSY O [ More info ]
Unavailable
Replaced by -52623A 2
52623A 2 - CARRIER ASSEMBLY  O NLA
 

About Mercury Marine

OEM Part

52623A 2 - CARRIER ASSEMBLY O NLA [ More info ]
Unavailable
#21 52623A 2 BEARING CARRIER ASSEMBLY (1 required per assembly) SERIAL 02529425-09999999
#22 31-47946 BEARING, ROLLER - BEARING CARRIER (1 required per assembly)
31-47946 - BEARING           O NLA
 

About Mercury Marine

OEM Part

31-47946 - BEARING O NLA [ More info ]
Unavailable
#23 26-48013 OIL SEAL, BEARING CARRIER (2 required per assembly)
2619473 26-48013
 

About Mercury Marine

OEM Part

26-48013 - OilSeal [ More info ]

Add to shopping cart $20.00
6 in stock. Explain stock levels

SEAL 26-19473
26-19473

About Mercury Marine

OEM Part

26-19473 - Seal [ More info ]

Add to shopping cart $40.07 $26.93
4 in stock. Explain stock levels

#24 28-30281 KEY, LOCATING - BEARING CARRIER (1 required per assembly)
KEY Note: must be ordered in multiples of 5 28-30281
28-30281

About Mercury Marine

OEM Part

28-30281 - Key - Priced Individually [ More info ]

Add to shopping cart $0.90
10+ in stock. Explain stock levels

#25 12-47539 WASHER, THRUST - GEAR HOUSING COVER (1 required per assembly) SERIAL 00000000-02529424
12-47539 - WASHER            O - Replaced by 14-52553
 

This part has been superseded.

12-47539 - 12-47539 - WASHER O [ More info ]
Unavailable
Replaced by 14-52553
14-52553 - TAB WASHER        O NLA
14-52553

About Mercury Marine

OEM Part

14-52553 - TAB WASHER O NLA [ More info ]
Unavailable
#26 47308 COVER, GEAR HOUSING (1 required per assembly) SERIAL 00000000-02529424
47308 - RETAINER          O - Replaced by -52622
 

This part has been superseded.

47308 - 47308 - RETAINER O [ More info ]
Unavailable
Replaced by -52622
52622 - COVER             O NLA
52622

About Mercury Marine

OEM Part

52622 - COVER O NLA [ More info ]
Unavailable
#25 14-52553 TAB WASHER, GEAR HOUSING COVER (1 required per assembly) SERIAL 02529425-09999999
#26 52622 COVER, GEAR HOUSING (1 required per assembly) SERIAL 02529425-09999999
#27 10-28634 SCREW, VENT - GEAR HOUSING (1 required per assembly)
10-28634 - SCREW (.375-16)   O - Replaced by 10-79953
10-28634

This part has been superseded.

10-28634 - 10-28634 - SCREW (.375-16) O [ More info ]
Unavailable
Replaced by 10-79953
1079953A2 10-79953
10-79953

About Mercury Marine

OEM Part

10-79953 - Drain Screw ONLY, Priced Individually [ More info ]

Add to shopping cart $2.00
6 in stock. Explain stock levels

10-79953A 2 - SCREW KIT (.375-1 O - Replaced by 10-79953Q 2
10-79953A 2

This part has been superseded.

10-79953A 2 - 10-79953A 2 - SCREW KIT (.375-1 O [ More info ]
Unavailable
Replaced by 10-79953Q 2
10-79953Q 2 - SCREW KIT (.375-1 O - Replaced by 10-79953Q04
10-79953Q 2

This part has been superseded.

10-79953Q 2 - 10-79953Q 2 - SCREW KIT (.375-1 O [ More info ]
Unavailable
Replaced by 10-79953Q04
SCREW KIT Drain 10-79953Q04
10-79953Q04

About Mercury Marine

OEM Part

10-79953Q04 - Screw Kit - Priced Individually [ More info ]

Add to shopping cart $5.80
10+ in stock. Explain stock levels

DRAIN PLUG
18-2244

About Sierra Marine

OEM Match

18-2244 - Plug Kit, 10-79953A2 [ More info ]

Add to shopping cart $2.99 $2.14
10+ in stock. Explain stock levels

SCREW-DRAIN Note: must be ordered in multiples of 2   10 79953K04
10 79953K04

About Mercury Marine

OEM Part

10-79953K04 - Drain Screw - Priced Individually [ More info ]

Add to shopping cart $5.80
6 in stock. Explain stock levels

#28 12-20260 WASHER, SEAL - VENT SCREW (1 required per assembly)
12-20260 - WASHER            O - Replaced by 12-19183
12-20260

This part has been superseded.

12-20260 - 12-20260 - WASHER O [ More info ]
Unavailable
Replaced by 12-19183
12-19183 - WASHER Fiber      O - Replaced by 12-19183  2
12-19183

This part has been superseded.

12-19183 - 12-19183 - WASHER Fiber O [ More info ]
Unavailable
Replaced by 12-19183 2
12-19183  2 - WASHER            O - Replaced by 12-19183  3
12-19183  2

This part has been superseded.

12-19183 2 - 12-19183 2 - WASHER O [ More info ]
Unavailable
Replaced by 12-19183 3
SEAL 12-19183  3
12-19183  3

About Mercury Marine

OEM Part

12-19183 3 - Seal -Blue - Priced Individually [ More info ]

Add to shopping cart $1.00
10+ in stock. Explain stock levels

DRAIN GASKET
18-2945

About Sierra Marine

OEM Match

18-2945-9 - Gasket 12-19183 2-Pack [ More info ]

Add to shopping cart $2.78 $1.56
10+ in stock. Explain stock levels

SEAL (4) Note: must be ordered in multiples of 2   12 19183Q02
12 19183Q02

About Mercury Marine

OEM Part

12-19183Q02 - Seals, Pack of 4 (yes this is actually a pack of 4) [ More info ]

Add to shopping cart $5.10
Available to order: Usually ships within 8 days. Explain stock levels

SEAL (4) Note: must be ordered in multiples of 2   12 19183K02
12 19183K02

About Mercury Marine

OEM Part

12-19183K02 - Seal, Pack of 4 [ More info ]

Add to shopping cart $5.10
10+ in stock. Explain stock levels

#29 12-32073 WASHER, PINION GEAR TO DRIVE SHAFT (1 required per assembly)
12-32073 - WASHER            O NLA
 

About Mercury Marine

OEM Part

12-32073 - WASHER O NLA [ More info ]
Unavailable
#30 11-56041 NUT, PINION GEAR TO DRIVE SHAFT (1 required per assembly)
1130499 11-56041
 

About Mercury Marine

OEM Part

11-56041 - Nut - Priced Individually [ More info ]

Add to shopping cart $2.90
10+ in stock. Explain stock levels

11858869 11-30499
 

About Mercury Marine

OEM Part

11-30499 - Nut - Priced Individually [ More info ]

Add to shopping cart $2.50
10+ in stock. Explain stock levels

NUT (.875-14) 11-858869
 

About Mercury Marine

OEM Part

11-858869 - Nut - Priced Individually [ More info ]

Add to shopping cart $3.40
9 in stock. Explain stock levels

#31 45-47323 DRIVE SHAFT (1 required per assembly)
DRIVESHAFT,NLA 45-47323
 

About Mercury Marine

OEM Part

45-47323 - Drive Shaft, NLA [ More info ]

Add to shopping cart $466.00
1 in stock. Explain stock levels

#32 15-39808A 1 SHIM ASSEMBLY, ROLLER BEARING TO GEAR HOUSING (.002-3-5-10) (AR required per assembly)
SHIM SET,NLA 15-39808A 1
15-39808A 1

About Mercury Marine

OEM Part

15-39808A 1 - Shim Set, NLA [ More info ]

Add to shopping cart $9.00
10+ in stock. Explain stock levels

#33 31-47669A 2 TAPERED ROLLER BEARING ASSEMBLY, COMPLETE (DRIVE SHAFT) (1 required per assembly)
BEARING ,NLA 31-47669A 2
 

About Mercury Marine

OEM Part

31-47669A 2 - Bearing, NLA [ More info ]

Add to shopping cart $90.00
3 in stock. Explain stock levels

#34 23-47603 SPACER, TAPERED ROLLER BEARING CUPS (1 required per assembly)
23-47603 - ELBOW             O NLA
 

About Mercury Marine

OEM Part

23-47603 - ELBOW O NLA [ More info ]
Unavailable
#36 12-56042 WASHER, TAPERED ROLLER BEARING TO DRIVE SHAFT (1 required per assembly)
WASHER 12-56042
 

About Mercury Marine

OEM Part

12-56042 - Washer [ More info ]

Add to shopping cart $13.71
1 in stock. Explain stock levels

#37 11-34826 NUT, TAPERED ROLLER BEARING TO DRIVE SHAFT (1 required per assembly)
NUT,NLA 11-34826
 

About Mercury Marine

OEM Part

11-34826 - Nut, NLA [ More info ]

Add to shopping cart $16.50
2 in stock. Explain stock levels

#38 25-20081 "O" RING, BEARING RETAINER (LARGE) (1 required per assembly)
O-RING 25-20081
25-20081

About Mercury Marine

OEM Part

25-20081 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $2.40
10+ in stock. Explain stock levels

O-Ring
18-7151

About Sierra Marine

OEM Match

18-7151-9 - (PK5) O-Ring Mercury 25-20081 [ More info ]

Add to shopping cart $12.45 $5.54
2 in stock. Explain stock levels

#39 47315 RETAINER, TAPERED ROLLER BEARING (1 required per assembly)
47315 - RETAINER          O NLA
 

About Mercury Marine

OEM Part

47315 - RETAINER O NLA [ More info ]
Unavailable
#40 25-45711 "O" RING, BEARING RETAINER (SMALL) (1 required per assembly)
O-RING (.612 x .103) 25-45711
25-45711

About Mercury Marine

OEM Part

25-45711 - Valve Cover O-Ring, Priced Individually [ More info ]

Add to shopping cart $1.30
Available to order: Usually ships within 8 days. Explain stock levels

O-Ring
18-7174

About Sierra Marine

OEM Match

18-7174-9 - O-Ring (PK5) 326649, 25-45711 [ More info ]

Add to shopping cart $9.95 $4.64
5 in stock. Explain stock levels

#41 11-34932 NUT, BEARING RETAINER TO GEAR HOUSING STUD (4 required per assembly)
11-34932 - NUT (.375-24)     O - Replaced by 11-826710 13
11-34932

This part has been superseded.

11-34932 - 11-34932 - NUT (.375-24) O [ More info ]
Unavailable
Replaced by 11-826710 13
NUT (.375-24) Stainless 11-826710 13
11-826710 13

About Mercury Marine

OEM Part

11-826710 13 - Nut - Priced Individually [ More info ]

Add to shopping cart $3.30
Available to order: Usually ships within 8 days. Explain stock levels

S.S. Steel Locknut
18-3720

About Sierra Marine

OEM Match

18-3720-9 - Lock Nut, 11-34932, 5PK [ More info ]

Add to shopping cart $14.95 $10.30
Available to order: Usually ships within 8 days. Explain stock levels

#42 27-47317 GASKET, GEAR HOUSING TO DRIVE SHAFT HOUSING (1 required per assembly)
GASKET 27-47317
27-47317

About Mercury Marine

OEM Part

27-47317 - Gasket [ More info ]

Add to shopping cart $14.61
1 in stock. Explain stock levels

#43 11-47302 NUT, DRIVE SHAFT HOUSING TO GEAR HOUSING STUD (6 required per assembly)
NUT (.562-18) Stainless 11-47302
 

About Mercury Marine

OEM Part

11-47302 - Nut [ More info ]

Add to shopping cart $6.88
Available to order: Usually ships within 8 days. Explain stock levels

#44 10-47557 SCREW, GEAR HOUSING TO DRIVE SHAFT HOUSING (1 1/2") (1 required per assembly)
SCREW,NLA 10-47557
 

About Mercury Marine

OEM Part

10-47557 - Screw, NLA [ More info ]

Add to shopping cart $5.00
10+ in stock. Explain stock levels

#45 48018A 1 THRUST HUB AND WASHER ASSEMBLY (1 required per assembly)
THRUST HUB ASSY 48018A 1
48018A 1

About Mercury Marine

OEM Part

48018A 1 - Thrust Hub Assembly [ More info ]

Add to shopping cart $125.00
10+ in stock. Explain stock levels

#46 12-31642 WASHER, CUPPED - THRUST HUB (1 required per assembly)
THRUST WASHER ,NLA 12-31642
 

About Mercury Marine

OEM Part

12-31642 - Thrust Washer, NLA [ More info ]

Add to shopping cart $6.50
2 in stock. Explain stock levels

#47 12-37763 WASHER, THRUST - BEARING CARRIER (1 required per assembly)
WASHER,NLA 12-37763
 

About Mercury Marine

OEM Part

12-37763 - Washer, NLA [ More info ]

Add to shopping cart $7.50
10+ in stock. Explain stock levels

#48 12-48014 WASHER, SPLINED - PROPELLER SHAFT (1 required per assembly)
WASHER,NLA 12-48014
 

About Mercury Marine

OEM Part

12-48014 - Washer, NLA [ More info ]

Add to shopping cart $100.00
10+ in stock. Explain stock levels

#49 14-48012 TAB WASHER, PROPELLER NUT (1 required per assembly)
WASHER-TAB,NLA 14-48012
 

About Mercury Marine

OEM Part

14-48012 - Tab Washer, NLA [ More info ]

Add to shopping cart $7.50
10+ in stock. Explain stock levels

#50 11-52846 NUT, PROPELLER (1 1/4-7 THREAD) (1 required per assembly)
11-52846 - MERC PERF PROD    O NLA
 

About Mercury Marine

OEM Part

11-52846 - MERC PERF PROD O NLA [ More info ]
Unavailable
#50 11-53186 NUT, PROPELLER (1 1/4-12 THREAD) (1 required per assembly) PART OF B-44-53185A1 PROPELLER SHAFT ASSEMBLY
1117844 11-53186
 

About Mercury Marine

OEM Part

11-53186 - Nut [ More info ]

Add to shopping cart $18.15
7 in stock. Explain stock levels

NUT,NLA 11-17844
 

About Mercury Marine

OEM Part

11-17844 - Nut, NLA [ More info ]

Add to shopping cart $30.00
9 in stock. Explain stock levels