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Parts for Mercury Marine 40 HP (2 Cylinder) Gear Housing (Propeller Shaft)

# 27-78028A78 GASKET SET (1 required per assembly)
GASKET SET 27-78028A78
27-78028A78

About Mercury Marine

OEM Part

27-78028A78 - Engine Gasket Set [ More info ]

Add to shopping cart $74.08
Available to Order: Usually ships within 10 days.

POWERHEAD GASKET SET
18-4355

About Sierra Marine

OEM Match

18-4355 - Gasket Set, 27-78028A78 [ More info ]

Add to shopping cart $67.46 $60.75
2 In Stock.

# 1643-7406A43 GEAR HOUSING ASSEMBLY (1 required per assembly) (X-LONG SHAFT)
1643-7406A43 - GEAR HOUSING ASSE  - Replaced by 1643-9539A10
 

1643-7406A43 - Gear Housing Assembly [ More info ]
Unavailable
1643-9539A10 - GEAR HOUSING       NLA
 

About Mercury Marine

OEM Part

1643-9539A10 - GEAR Housing, NLA [ More info ]
Unavailable
# 1643-7406A34 GEAR HOUSING ASSEMBLY (1 required per assembly) (SHORT SHAFT)
1643-7406A34 - GEAR HOUSING ASSE  - Replaced by 1643-9539A4
 

1643-7406A34 - Gear Housing Assembly [ More info ]
Unavailable
1643-9539A4 - GEAR HOUSING           NLA
 

About Mercury Marine

OEM Part

1643-9539A 4 - GEAR Housing, NLA [ More info ]
Unavailable
# 1643-7406A35 GEAR HOUSING ASSEMBLY (1 required per assembly) (LONG SHAFT)
1643-7406A35 - GEAR HOUSING ASSE  - Replaced by 1643-9539A5
 

1643-7406A35 - Gear Housing Assembly [ More info ]
Unavailable
1643-9539A5 - GEAR HSG ASSY          NLA
 

About Mercury Marine

OEM Part

1643-9539A 5 - GEAR HSG ASY,NLA [ More info ]
Unavailable
#1 1643-7406A16 GEAR HOUSING ASSEMBLY, Mercury, Basic (1 required per assembly)
1643-7406A16 - GEAR HOUSING ASSE  - Replaced by 1643-9539A1
 

1643-7406A16 - Gear Housing Assembly [ More info ]
Unavailable
1643-9539A1 - ->9539T1 - Replaced by -9539T1
 

1643-9539A 1 - Gear Housing Assembly [ More info ]
Unavailable
1643-9539T1 - GEAR HOUSING           NLA
 

About Mercury Marine

OEM Part

1643-9539T 1 - Gear Housing [ More info ]
Unavailable
#51 76039 CAM, Shift Control (1 required per assembly)
76039 - CAM Shift Control  - Replaced by -760394
76039

76039 - Shift Cam, Priced Individually [ More info ]
Unavailable
CAM-SHIFT 760394
760394

About Mercury Marine

OEM Part

76039 4 - Shift Cam - Priced Individually [ More info ]

Add to shopping cart $37.55
9 In Stock.

#52 15-38374A 1 SHIM SET, BEARING CUP TO GEAR HOUSING (.002-3-5-10) (AR required per assembly)
SHIM SET 15-38374A 1
15-38374A 1

About Mercury Marine

OEM Part

15-38374A 1 - Shim Set [ More info ]

Add to shopping cart $11.00
2 In Stock.

#53 31-38356A 1 BEARING SET (1 required per assembly)
BEARING SET 31-38356A 1
31-38356A 1

About Mercury Marine

OEM Part

31-38356A 1 - Tapered Roller Bearing [ More info ]

Add to shopping cart $94.04
10+ In Stock.

#54 43-55608A 4 GEAR ASSEMBLY, Forward (1 required per assembly)
43-55608A 4 - GEAR ASSEMBLY For  - Replaced by 43-55608T 4
 

43-55608A 4 - Forward Gear [ More info ]
Unavailable
GEAR ASSY-FWD 43-55608T 4
43-55608T 4

About Mercury Marine

OEM Part

43-55608T 4 - Forward Gear [ More info ]

Add to shopping cart $322.54
1 In Stock.

#55 31-21739 BEARING, Roller, FORWARD GEAR (1 required per assembly)
BEARING Roller 31-21739
31-21739

About Mercury Marine

OEM Part

31-21739 - Roller Bearing - Forward Gear [ More info ]

Add to shopping cart $17.90
10+ In Stock.

#56 38441 FOLLOWER, Cam (1 required per assembly)
FOLLOWER-CAM 38441
38441

About Mercury Marine

OEM Part

38441 - Cam Follower [ More info ]

Add to shopping cart $56.07
3 In Stock.

#57 20843 SLIDE, CROSS PIN (1 required per assembly)
SLIDE 20843
20843

About Mercury Marine

OEM Part

20843 - Cross Slide [ More info ]

Add to shopping cart $23.42 $19.91
4 In Stock.

#58 24-38114 SPRING, RETAINING - CROSS PIN (1 required per assembly)
SPRING 24-38114
24-38114

About Mercury Marine

OEM Part

24-38114 - Spring, Retaining - Cross Pin [ More info ]

Add to shopping cart $4.30
4 In Stock.

#59 52-92911 RATCHET, SLIDING CLUTCH (1 required per assembly)
52-92911 - RATCHET            - Replaced by 52-92911T
52-92911

52-92911 - Clutch [ More info ]
Unavailable
CLUTCH 52-92911T
52-92911T

About Mercury Marine

OEM Part

52-92911T - Clutch [ More info ]

Add to shopping cart $149.33
Available to Order: Usually ships within 10 days.

#60 17-38113 PIN, Cross, RATCHET TO PROPELLER SHAFT (1 required per assembly)
17-38113 - PIN Cross          - Replaced by 17-8M0020942
17-38113

17-38113 - Pin -cross - Priced Individually [ More info ]
Unavailable
17-8M0020942 - PIN-CROSS @2
17-8M0020942

About Mercury Marine

OEM Part

17-8M0020942 - Pin -cross - Priced Individually [ More info ]
Unavailable
#61 24-39845 SPRING, COMPRESSION - CAM FOLLOWER (1 required per assembly)
SPRING,NLA 24-39845
24-39845

About Mercury Marine

OEM Part

24-39845 - Spring, Compression - Cam Follower [ More info ]

Add to shopping cart $13.32
4 In Stock.

#62 44-75365 PROPELLER SHAFT (1 required per assembly)
44-75365 - PROPELLER SHAFT
44-75365

About Mercury Marine

OEM Part

44-75365 - Propeller Shaft [ More info ]
Unavailable
#63 43-79158 GEAR, Reverse (1 required per assembly)
43-79158 - GEAR Reverse       - Replaced by 43-79158T
43-79158

43-79158 - Reverse Gear [ More info ]
Unavailable
GEAR-REVERSE 43-79158T
43-79158T

About Mercury Marine

OEM Part

43-79158T - Reverse Gear [ More info ]

Add to shopping cart $327.08
Available to Order: Usually ships within 10 days.

#64 12-32004 WASHER, THRUST - REVERSE GEAR (1 required per assembly)
WASHER,NLA 12-32004
12-32004

About Mercury Marine

OEM Part

12-32004 - Thrust Washer, Reverse Gear, NLA [ More info ]

Add to shopping cart $18.88
10+ In Stock.

#65 30-20839 BEARING, Ball, REVERSE GEAR (1 required per assembly)
30-20839 - BEARING Ball       - Replaced by 30-20839T
30-20839

30-20839 - Ball Bearing [ More info ]
Unavailable
BEARING-BALL 30-20839T
30-20839T

About Mercury Marine

OEM Part

30-20839T - Ball Bearing [ More info ]

Add to shopping cart $76.83
Available to Order: Usually ships within 10 days.

THRUST BEARING
18-1190

About Sierra Marine

OEM Match

18-1190 - Bearing, 30-20839T [ More info ]

Add to shopping cart $63.99 $57.97
1 In Stock.

#66 25-31986 O-RING, BEARING CARRIER (1 required per assembly)
O RING 25-31986
25-31986

About Mercury Marine

OEM Part

25-31986 - O-ring, Bearing Carrier [ More info ]

Add to shopping cart $4.40
10+ In Stock.

O-RING 5
18-7160

About Sierra Marine

OEM Match

18-7160-9 O-Ring 25-31986 , 5 Pack [ More info ]

Add to shopping cart $14.99 $14.26
3 In Stock.

#67 69386A 1 CARRIER ASSEMBLY, Bearing (1 required per assembly)
69386A 1 - CARRIER ASSEMBLY   - Replaced by -69386T 1
 

69386A 1 - Bearing Carrier [ More info ]
Unavailable
69386T 1 - CARRIER ASSY-BRG   NLA
 

About Mercury Marine

OEM Part

69386T 1 - Bearing Carrier Assembly [ More info ]
Unavailable
#68 31-21700 BEARING, Needle, BEARING CARRIER (1 required per assembly)
BEARING Needle 31-21700
31-21700

About Mercury Marine

OEM Part

31-21700 - Roller Bearing - Bearing Carrier [ More info ]

Add to shopping cart $18.60
9 In Stock.

#69 26-69188 SEAL, Oil, BEARING CARRIER (1 required per assembly)
26-69188 - SEAL Oil           - Replaced by -8M0205511
26-69188

26-69188 - Seal [ More info ]
Unavailable
SEAL 26-8M0205511
26-8M0205511

About Mercury Marine

OEM Part

26-8M0205511 - Prop Shaft Oil Seal, Outboard [ More info ]

Add to shopping cart $18.60
10 In Stock.

OIL SEAL
18-2051

About Sierra Marine

OEM Match

18-2051 - Seal, 26-69188 [ More info ]

Add to shopping cart $13.99 $12.65
10+ In Stock.

#70 26-69189 SEAL, Oil, BEARING CARRIER (1 required per assembly)
26-69189 - SEAL Oil           - Replaced by -8M0203757
26-69189

26-69189 - Seal [ More info ]
Unavailable
SEAL 26-8M0203757
26-8M0203757

About Mercury Marine

OEM Part

26-8M0203757 - Bearing Carrier Oil Seal, Outboard [ More info ]

Add to shopping cart $22.00
10+ In Stock.

OIL SEAL
18-2052

About Sierra Marine

OEM Match

18-2052 - Seal, 26-69189 [ More info ]

Add to shopping cart $15.99 $14.72
10+ In Stock.

#71 28-30281 KEY, LOCATING - BEARING CARRIER (1 required per assembly)
KEY 28-30281
28-30281

About Mercury Marine

OEM Part

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

Add to shopping cart $2.90
10+ In Stock.

#72 14-53012 TAB WASHER, GEAR HOUSING COVER (1 required per assembly)
WASHER-TAB 14-53012
14-53012

About Mercury Marine

OEM Part

14-53012 - Tab Washer [ More info ]

Add to shopping cart $19.20
10+ In Stock.

#73 11-87763 NUT, GEAR HOUSING (1 required per assembly)
NUT 11-87763
11-87763

About Mercury Marine

OEM Part

11-87763 - Nut, Gear Housing [ More info ]

Add to shopping cart $11.30
10+ In Stock.

#74 31640A 1 TRIM TAB ASSEMBLY, GEAR HOUSING (1 required per assembly)
31640A 1 - TRIM TAB ASSEMBLY  - Replaced by -31640  3
31640A 1

31640A 1 - TRIM TAB ASSY [ More info ]
Unavailable
31640  3 - TRIM TAB           - Replaced by -31640  4
31640  3

This part has been superseded.

31640 3 - 31640 3 - TRIM TAB [ More info ]
Unavailable
Replaced by -31640 4
31640  4 - TRIM TAB           - Replaced by 97-31640Q 4
31640  4

31640 4 - ANODE/TRIM TAB [ More info ]
Unavailable
TRIM TAB(ALUM) 97-31640Q 4
97-31640Q 4

About Mercury Marine

OEM Part

97-31640Q4 - Anode/Trim Tab [ More info ]

Add to shopping cart $17.92
7 In Stock.

ANODEMAGNESIUM
18-6241

About Sierra Marine

OEM Match

18-6241 - Trim Tab Anode, Magnesium, 31640 [ More info ]

Add to shopping cart $24.39 $22.37
In Stock

ANODE ALUMINUM
18-6011A

About Sierra Marine

OEM Match

18-6011A - Trim Tab Anode, Aluminum [ More info ]

Add to shopping cart $16.59 $15.04
4 In Stock.

TRIM TAB
18-6011

About Sierra Marine

OEM Match

18-6011 - Trim Tab, Zinc, 31640A1 [ More info ]

Add to shopping cart $18.35
7 In Stock.

TRIM TAB(ALUM)   97 31640T 4
97 31640T 4

About Mercury Marine

OEM Part

97-31640T 4 - Trim Tab Anode [ More info ]

Add to shopping cart $17.92
10+ In Stock.

#75 10-66024 SCREW, (.437-14 x 1.75), TRIM TAB TO GEAR HOUSING (1 required per assembly)
SCREW 10-66024
10-66024

About Mercury Marine

OEM Part

10-66024 - Screw - Priced Individually [ More info ]

Add to shopping cart $9.30
10+ In Stock.

#76 12-45175 WASHER, (.406 x .750 x .104), DRIVESHAFT HOUSING STUD (1 required per assembly)
12-45175 - WASHER (.406 x .7  - Replaced by 12-856774
 

12-45175 - Washer, (.406 X .750 X .104) [ More info ]
Unavailable
12-856774 - WASHER (.406 x .7  - Replaced by -8M0214963
12-856774

12-856774 - Washer, (.406 X .750 X .105) Stainless Steel [ More info ]
Unavailable
WASHER 12-8M0214963
12-8M0214963

About Mercury Marine

OEM Part

128M0214963 - WASHER Note: Priced Individually [ More info ]

Add to shopping cart $2.50
10+ In Stock.

#77 11-34863 NUT, (.375-24), DRIVE SHAFT HOUSING STUD (1 required per assembly)
11826709113 11-34863
 

About Mercury Marine

OEM Part

11-34863 - Nut (3/8-24) [ More info ]

Add to shopping cart $1.49
3 In Stock.

118M0042636 11-826709113
11-826709113

About Mercury Marine

OEM Part

11-826709113 - Nut, (.375-24) Stainless Steel [ More info ]

Add to shopping cart $1.50
1 In Stock.

118M0204726 11-8M0042636
11-8M0042636

About Mercury Marine

OEM Part

11-8M0042636 - Nut - Brass , Priced Individually [ More info ]

Add to shopping cart $1.70
5 In Stock.

11-8M0204726 - NUT-BRASS @3
11-8M0204726

About Mercury Marine

OEM Part

118M0204726 - NUT-BRASS Note: Priced Individually [ More info ]
Unavailable
#78 12-65791 WASHER, HOUSING TO STUD (7/16") (1 required per assembly)
12-65791 - WASHER             NLA
 

About Mercury Marine

OEM Part

12-65791 - Washer, NLA [ More info ]
Unavailable
#79 11-34933 NUT, (.437-20) Stainless Steel, STUD (1 required per assembly)
11-34933 - NUT (.437-20) Sta  - Replaced by -8M0204653
11-34933

11-34933 - Nut (7/16-20) [ More info ]
Unavailable
NUT 11-8M0204653
11-8M0204653

About Mercury Marine

OEM Part

11-8M0204653 - Prop Lock Nut 7/16-20 , Priced Individually [ More info ]

Add to shopping cart $5.10
10+ In Stock.

STAINLESS STEEL LOCKNUT 5
18-3721

About Sierra Marine

OEM Match

18-3721-9 - Lock Nut, 11-34933, 5PK [ More info ]

Add to shopping cart $19.49 $13.18
Available to Order: Usually ships within 10 days.

#80 73345A 1 THRUST HUB, FRONT (1 required per assembly)
THRUST WASHER 73345A 1
73345A 1

About Mercury Marine

OEM Part

73345A 1 - Thrust Washer [ More info ]

Add to shopping cart $17.34 $14.98
10+ In Stock.

THRUST WASHER
18-4233

About Sierra Marine

OEM Match

18-4233 - Thrust Washer, 73345A1 [ More info ]

Add to shopping cart $30.99 $18.06
1 In Stock.

#81 14-76281 TAB WASHER, PROPELLER NUT (1 required per assembly)
148M0214942 14-76281
14-76281

About Mercury Marine

OEM Part

14-76281 - Tab Washer - Priced Individually [ More info ]

Add to shopping cart $5.60
10 In Stock.

TAB WASHER 14-8M0214942
 

About Mercury Marine

OEM Part

14-8M0214942 - Prop Tab Washer Note: Priced Individually MZ [ More info ]

Add to shopping cart $5.93
10+ In Stock.

TAB WASHER 10
18-3204

About Sierra Marine

OEM Match

18-3204-9 - Washer, 14-76281, 10PK [ More info ]

Add to shopping cart $17.49 $10.04
Available to Order: Usually ships within 10 days.

TAB WASHER   14 76281Q
 

About Mercury Marine

OEM Part

14-76281Q - Tab Washer - Priced Individually [ More info ]

Add to shopping cart $5.80
Available to Order: Usually ships within 10 days.

#82 11-69578A 1 PROP NUT KIT (1 required per assembly)
11-69578A 1 - PROP NUT KIT       - Replaced by 11-69578Q 1
11-69578A 1

11-69578A 1 - Prop Nut Kit, Priced Individually as shown [ More info ]
Unavailable
PROP NUT KIT 11-69578Q 1
11-69578Q 1

About Mercury Marine

OEM Part

11-69578Q 1 - Prop Nut Kit - Priced Individually [ More info ]

Add to shopping cart $16.29
10+ In Stock.

PROP NUT
18-3704

About Sierra Marine

OEM Match

18-3704 - Nut, 11-69578 [ More info ]

Add to shopping cart $21.59 $18.25
In Stock

PROP NUT KIT
18-3702

About Sierra Marine

OEM Match

18-3702 - Nut Kit, 11-69578Q1 [ More info ]

Add to shopping cart $15.99
3 In Stock.

PROP NUT KIT   11 69578T 1
11 69578T 1

About Mercury Marine

OEM Part

11-69578T 1 - Prop Nut Kit - Priced Individually [ More info ]

Add to shopping cart $16.29
1 In Stock.


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