Logo

Parts for Mariner 40 HP (4 Cylinder) Crankshaft, Pistons, & Connecting Rods

#1 459-9758A 2 CRANKSHAFT (1 required per assembly)
459-9758A 2 - CRANKSHAFT        O NLA
459-9758A 2

About Mercury Marine

OEM Part

459-9758A 2 - CRANKSHAFT O NLA [ More info ]
Unavailable
#2 25-35276 O-RING (1 required per assembly)
O-RING (.734 x .139) 25-35276
25-35276

About Mercury Marine

OEM Part

25-35276 - O-Ring [ More info ]

Add to shopping cart $1.60
Available to order: Usually ships within 8 days. Explain stock levels

O-Ring
18-7135

About Sierra Marine

OEM Match

18-7135 - O-Ring 25-35276 [ More info ]

Add to shopping cart $2.49 $1.41
1 in stock. Explain stock levels

#3 28-20094 KEY-CRANKSHAFT (1 required per assembly)
KEY Woodruff 28-20094
 

About Mercury Marine

OEM Part

28-20094 - Key - Priced Individually [ More info ]

Add to shopping cart $1.40
10+ in stock. Explain stock levels

#4 534-3267A25 MAIN BEARING ASSEMBLY (VALVE TYPE) (2 required per assembly)
534-3267A25 - BEARING ASSEMBLY  O - Replaced by 534-3267T25
534-3267A25

This part has been superseded.

534-3267A25 - 534-3267A25 - BEARING ASSEMBLY O [ More info ]
Unavailable
Replaced by 534-3267T25
REED BLOCK ASSY 534-3267T25
534-3267T25

About Mercury Marine

OEM Part

534-3267T25 - Main Bearing - Valve Type [ More info ]

Add to shopping cart $260.91
Available to order: Usually ships within 8 days. Explain stock levels

#5 17-20032 DOWEL PIN-MAIN BEARING (4 required per assembly)
PIN Dowel 17-20032
 

About Mercury Marine

OEM Part

17-20032 - Pin -Dowel - Priced Individually [ More info ]

Add to shopping cart $3.00
10+ in stock. Explain stock levels

#6 17-65855 DOWEL PIN-REED LOCATING (16 required per assembly)
PIN Dowel 17-65855
17-65855

About Mercury Marine

OEM Part

17-65855 - Pin - Priced Individually [ More info ]

Add to shopping cart $3.00
Available to order: Usually ships within 8 days. Explain stock levels

#7 10-25764 SCREW-MAIN BEARING (4 required per assembly)
SCREW (.190-32 x .50) 10-25764
10-25764

About Mercury Marine

OEM Part

10-25764 - Screw - Priced Individually [ More info ]

Add to shopping cart $2.60 $1.76
10+ in stock. Explain stock levels

#8 11-20110 NUT-MAIN BEARING SCREW (4 required per assembly)
NUT (#10-32) 11-20110
11-20110

About Mercury Marine

OEM Part

11-20110 - Nut - Priced Individually [ More info ]

Add to shopping cart $1.20
10+ in stock. Explain stock levels

#9 34-88498A 1 REED SET-MATCHED (2 required per assembly)
REED SET 34-88498A 1
34-88498A 1

About Mercury Marine

OEM Part

34-88498A 1 - Reed Kit - 6 Reeds Only as shown [ More info ]

Add to shopping cart $73.91
1 in stock. Explain stock levels

#10 34-822839 REED STOP (8 required per assembly)
STOP Reed 34-822839
 

About Mercury Marine

OEM Part

34-822839 - Reed Stop [ More info ]

Add to shopping cart $6.90
2 in stock. Explain stock levels

#11 10-77280 SCREW-REED STOP (9/16 IN.) (8 required per assembly)
SCREW,NLA 10-77280
 

About Mercury Marine

OEM Part

10-77280 - Screw, NLA [ More info ]

Add to shopping cart $1.25
10+ in stock. Explain stock levels

#13 780-9229A 7 PISTON/PISTON PIN (4 required per assembly) (STANDARD) DESIGN II
PISTON ASSEMBLY 780-9229A 7
780-9229A 7

About Mercury Marine

OEM Part

780-9229A 7 - Piston Assembly - Std [ More info ]

Add to shopping cart $136.33
Available to order: Usually ships within 8 days. Explain stock levels

Piston-std.
18-4620

About Sierra Marine

OEM Match

18-4620 - Piston - Standard-780-9229A7 [ More info ]

Add to shopping cart $163.49 $126.85
3 in stock. Explain stock levels

#13 780-9229A10 PISTON/PISTON PIN (AR required per assembly) (.015 O.S) DESIGN II
780-9229A10 - PISTON ASSEMBLY   O NLA
780-9229A10

About Mercury Marine

OEM Part

780-9229A10 - PISTON ASSEMBLY O NLA [ More info ]
Unavailable
Piston-.015
18-4621

About Sierra Marine

OEM Match

18-4621 - Piston .015, 780-9229A10 [ More info ]

Add to shopping cart $186.49 $142.40
In stock Explain stock levels

#13 780-9229A11 PISTON/PISTON PIN (AR required per assembly) (.030 O.S.) DESIGN II
PISTON ASSY-.030,NLA 780-9229A11
780-9229A11

About Mercury Marine

OEM Part

780-9229A11 - Piston Assembly.030, NLA [ More info ]

Add to shopping cart $118.00
10+ in stock. Explain stock levels

Piston Kit
18-4622

About Sierra Marine

OEM Match

18-4622 - Piston .030 780-9229A11 - Special Order - No Returns [ More info ]

Add to shopping cart $193.99 $158.28
In stock - special order item. Explain stock levels

#13 743-5172A 6 PISTON/PISTON PIN (4 required per assembly) (STANDARD) DESIGN I
743-5172A 6 - PISTON ASSEMBLY   O - Replaced by 780-9229A 7
 

This part has been superseded.

743-5172A 6 - 743-5172A 6 - PISTON ASSEMBLY O [ More info ]
Unavailable
Replaced by 780-9229A 7
#13 743-3366A 2 PISTON/PISTON PIN (AR required per assembly) (.015 O.S.) DESIGN I
743-3366A 2 - PISTON ASSEMBLY   O - Replaced by 780-9229A10
 

This part has been superseded.

743-3366A 2 - 743-3366A 2 - PISTON ASSEMBLY O [ More info ]
Unavailable
Replaced by 780-9229A10
#13 743-7716A 2 PISTON/PISTON PIN (AR required per assembly) (.030 O.S.) DESIGN I
7809229A11 743-7716A 2
743-7716A 2

About Mercury Marine

OEM Part

743-7716A 2 - Piston Assembly -.030 [ More info ]

Add to shopping cart $122.70
3 in stock. Explain stock levels

#14 40-47276 LOCK RING-PISTON PIN (8 required per assembly)
40828119 40-47276
40-47276

About Mercury Marine

OEM Part

40-47276 - Lock Ring - Priced Individually [ More info ]

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

LOCK RING Piston Pin 40-828119
40-828119

About Mercury Marine

OEM Part

40-828119 - Lock Ring [ More info ]

Add to shopping cart $1.40
10+ in stock. Explain stock levels

#15 39-18653A12 PISTON RING (1 required per assembly) (STANDARD) DESIGN II
RING SET Piston 39-18653A12
39-18653A12

About Mercury Marine

OEM Part

39-18653A12 - Rings - Standard [ More info ]

Add to shopping cart $234.42
Available to order: Usually ships within 8 days. Explain stock levels

Ring Set-std.
18-3966

About Sierra Marine

OEM Match

18-3966 - Rings, 39-18653A12 [ More info ]

Add to shopping cart $43.49 $33.50
1 in stock. Explain stock levels

#15 39-18653A 1 PISTON RING (AR required per assembly) (.015 O.S.) DESIGN II
39-18653A 1 - RING SET Piston   O NLA
39-18653A 1

About Mercury Marine

OEM Part

39-18653A 1 - RING SET Piston O NLA [ More info ]
Unavailable
Piston Rings
18-3967

About Sierra Marine

OEM Match

18-3967 - Rings, 39-18653A1 - Special Order - No Returns [ More info ]

Add to shopping cart $36.99
In stock - special order item. Explain stock levels

#15 39-18653A 2 PISTON RING (AR required per assembly) (.030 O.S.) DESIGN II
39-18653A 2 - RING SET Piston   O NLA
39-18653A 2

About Mercury Marine

OEM Part

39-18653A 2 - RING SET Piston O NLA [ More info ]
Unavailable
Ring Set-.030
18-3968

About Sierra Marine

OEM Match

18-3968 - Rings, 39-18653A2 [ More info ]

Add to shopping cart $67.99 $43.42
2 in stock. Explain stock levels

#15 39-27841A12 PISTON RING (1 required per assembly) (STANDARD) DESIGN I
RING SET Piston - Stand 39-27841A12
39-27841A12

About Mercury Marine

OEM Part

39-27841A12 - Piston Rings, Standard, 12 Rings [ More info ]

Add to shopping cart $83.90 $71.84
1 in stock. Explain stock levels

#15 39-28616A12 PISTON RING (1 required per assembly) (.015 O.S.) DESIGN I
RING SET Piston 39-28616A12
39-28616A12

About Mercury Marine

OEM Part

39-28616A12 - Rings - .015 [ More info ]

Add to shopping cart $81.00
5 in stock. Explain stock levels

#15 39-89822A12 PISTON RING (1 required per assembly) (.030 O.S.) DESIGN I
RING SET-2-.030,NLA 39-89822A12
39-89822A12

About Mercury Marine

OEM Part

39-89822A12 - Rings - 2-.030, NLA [ More info ]

Add to shopping cart $82.00
10+ in stock. Explain stock levels

#16 632-7621A 3 CONNECTING ROD AND CAP ASSEMBLY (4 required per assembly)
632-7621A 3 - CONNECTING ROD AS O NLA
 

About Mercury Marine

OEM Part

632-7621A 3 - CONNECTING ROD AS O NLA [ More info ]
Unavailable
#17 10-91012 SCREW-CAP TO ROD (8 required per assembly)
SCREW (.250-28 Special) 10-91012
10-91012

About Mercury Marine

OEM Part

10-91012 - Screw -spec - Priced Individually [ More info ]

Add to shopping cart $5.70 $3.42
10+ in stock. Explain stock levels

#18 29-20063 NEEDLE BEARING-PISTON PIN (108 required per assembly)
BEARING Needle 29-20063
29-20063

About Mercury Marine

OEM Part

29-20063 - Needle - Priced Individually [ More info ]

Add to shopping cart $0.35 $0.26
10+ in stock. Explain stock levels

#19 12-47275 WASHER-NEEDLE LOCATING (8 required per assembly)
WASHER Note: must be ordered in multiples of 5 12-47275
 

About Mercury Marine

OEM Part

12-47275 - Washer - Priced Individually [ More info ]

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

#20 29-20046T NEEDLE BEARING-CRANK PIN (1 required per assembly)
BRG-NEEDLE 29-20046T
29-20046T

About Mercury Marine

OEM Part

29-20046T - Needle - Priced Individually [ More info ]

Add to shopping cart $1.25
10+ in stock. Explain stock levels

#21 547-7060A 2 CENTER MAIN BEARING ASSEMBLY (1 required per assembly)
547-7060A 2 - BEARING ASSEMBLY  O NLA
 

About Mercury Marine

OEM Part

547-7060A 2 - BEARING ASSEMBLY O NLA [ More info ]
Unavailable
#23 29-71422 1 NEEDLE BEARING (56 required per assembly)
BEARING 29-71422  1
29-71422  1

About Mercury Marine

OEM Part

29-71422 1 - Needle Bearing - Priced Individually [ More info ]

Add to shopping cart $0.70 $0.42
10+ in stock. Explain stock levels

#24 26113 RACE-OUTER (1 required per assembly)
26113 - RACE              O - Replaced by -26113T
26113

This part has been superseded.

26113 - 26113 - RACE O [ More info ]
Unavailable
Replaced by -26113T
RACE-CENTER MAIN 26113T
26113T

About Mercury Marine

OEM Part

26113T - Race - Center Main [ More info ]

Add to shopping cart $117.50
Available to order: Usually ships within 8 days. Explain stock levels

#25 53-26933 SNAP RING-OUTER RACE (1 required per assembly)
RING-SNAP,NLA 53-26933
 

About Mercury Marine

OEM Part

53-26933 - Ring -snap, NLA [ More info ]

Add to shopping cart $3.00
10+ in stock. Explain stock levels

#26 10-76630 SCREW-CENTER MAIN BEARING (1 IN.) (2 required per assembly)
SCREW (.250-20 x 1.00) 10-76630
10-76630

About Mercury Marine

OEM Part

10-76630 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.40
10+ in stock. Explain stock levels

#27 43-43019 DRIVER GEAR (1 required per assembly)
GEAR 43-43019
43-43019

About Mercury Marine

OEM Part

43-43019 - Drive Gearr [ More info ]

Add to shopping cart $8.20
Available to order: Usually ships within 8 days. Explain stock levels

#28 28-91800 KEY-DRIVER GEAR (1 required per assembly)
KEY Woodruff 28-91800
28-91800

About Mercury Marine

OEM Part

28-91800 - Key - Priced Individually [ More info ]

Add to shopping cart $1.65
10+ in stock. Explain stock levels

#29 60834A 3 CARRIER ASSEMBLY (1 required per assembly) DESIGN I/II
CARRIER ASSY 60834A 3
60834A 3

About Mercury Marine

OEM Part

60834A 3 - Carrier Assembly [ More info ]

Add to shopping cart $25.00
10+ in stock. Explain stock levels

#30 64254 SEAL (1 required per assembly) DESIGN I/II
64254001,NLA 64254
64254

About Mercury Marine

OEM Part

64254 - Carrier Seal [ More info ]

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

SEAL 64254001
64254001

About Mercury Marine

OEM Part

64254001 - Seal [ More info ]

Add to shopping cart $3.00
Available to order: Usually ships within 8 days. Explain stock levels

#- 814278A93 POWERHEAD, COMPLETE (1 required per assembly)
814278A93 - POWERHEAD ASSEMBL O - Replaced by -814278T93
 

This part has been superseded.

814278A93 - 814278A93 - POWERHEAD ASSEMBL O [ More info ]
Unavailable
Replaced by -814278T93
814278T93 - PH 40             O NLA
 

About Mercury Marine

OEM Part

814278T93 - PH 40 O NLA [ More info ]
Unavailable