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Parts for Mercury Marine 45 HP (4 Cylinder) Crankshaft, Pistons, & Connecting Rods

#1 459-9075 CRANKSHAFT (1 required per assembly)
459-9075 - CRANKSHAFT        O - Replaced by 459-9075T
 

This part has been superseded.

459-9075 - 459-9075 - CRANKSHAFT O [ More info ]
Unavailable
Replaced by 459-9075T
CRANKSHAFT ASSY,NLA 459-9075T
 

About Mercury Marine

OEM Part

459-9075T - CrankShaft [ More info ]

Add to shopping cart $525.00
10+ in stock. Explain stock levels

#2 28-20094 KEY, Woodruff, 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

#3 534-3267A25 BEARING ASSEMBLY, Main, 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This part has been superseded.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 17-65855 PIN, Dowel, 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

#6 10-45775 SCREW, (#12-28 x .560) , Main Bearing (0.563 Inch) (4 required per assembly)
SCREW,NLA 10-45775
 

About Mercury Marine

OEM Part

10-45775 - Screw, NLA [ More info ]

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

#7 11-45774 NUT, Main Bearing Screw (4 required per assembly)
NUT 11-45774
 

About Mercury Marine

OEM Part

11-45774 - Nut - Priced Individually [ More info ]

Add to shopping cart $19.00
10+ in stock. Explain stock levels

#8 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

#9 34-79014 STOP, Reed (8 required per assembly)
34-79014 - STOP Reed         O - Replaced by 34-822839
 

This part has been superseded.

34-79014 - 34-79014 - STOP Reed O [ More info ]
Unavailable
Replaced by 34-822839
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

#10 10-77280 SCREW, (.190-32 x .560), Reed Stop (0.563 Inch) (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

#11 11-20110 NUT, (#10-32), Reed Stop Screw (8 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

#12 743-5172A 6 PISTON ASSEMBLY (4 required per assembly) (Standard)
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
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 $132.19
3 in stock. Explain stock levels

#12 743-3366A 2 PISTON ASSEMBLY (AR required per assembly) (.015 Oversize)
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
PISTON ASSY-.015 780-9229A10
780-9229A10

About Mercury Marine

OEM Part

780-9229A10 - Piston Assembly -.015 [ More info ]

Add to shopping cart $125.00
1 in stock. Explain stock levels

Piston-.015
18-4621

About Sierra Marine

OEM Match

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

Add to shopping cart $186.49 $148.39
1 in stock. Explain stock levels

#12 743-7716A 2 PISTON ASSEMBLY (AR required per assembly) (.030 Oversize)
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

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 $96.00
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 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

#14 39-27841A12 RING SET, Piston - Standard (1 required per assembly) (Standard)
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
2 in stock. Explain stock levels

#14 39-28616A12 RING SET, Piston (1 required per assembly) (.015 Oversize)
RING SET Piston 39-28616A12
39-28616A12

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OEM Part

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

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

#14 39-89822A12 RING SET, Piston - .030 Oversize (1 required per assembly) (.030 Oversize)
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

#15 632-7621A 3 CONNECTING ROD 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
#16 10-91012 SCREW, (.250-28 Special), 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 BEARING, Needle, 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 BEARING, Needle, Crankpint (100 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 BEARING ASSEMBLY, Center Main (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
#22 17-20032 PIN, Dowel, Center Main Bearing (2 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

#23 29-71422 BEARING, Needle (56 required per assembly)
29714221   PRICED EACH"" 29-71422
29-71422

About Mercury Marine

OEM Part

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

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

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 RING, Snap, 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, (.250-20 x 1.00), Center Main Bearing (1 Inch) (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