Logo

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

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

459-9075 - Crankshaft [ More info ]
Unavailable
CRANKSHAFT ASSY,NLA 459-9075T
459-9075T

About Mercury Marine

OEM Part

459-9075T - CrankShaft [ More info ]

Add to shopping cart $585.99 $496.33
3 In Stock.

#2 28-20094 KEY, Woodruff, Crankshaft (1 required per assembly)
KEY 28-20094
28-20094

About Mercury Marine

OEM Part

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

Add to shopping cart $1.80
8 In Stock.

#3 534-3267A25 BEARING ASSEMBLY, Main, Valve Type (2 required per assembly)
534-3267A25 - BEARING ASSEMBLY   - Replaced by 534-3267T25
534-3267A25

534-3267A25 - Reed Block Assembly [ More info ]
Unavailable
534-3267T25 - REED BLOCK ASSY
534-3267T25

About Mercury Marine

OEM Part

534-3267T25 - Main Bearing - Valve Type [ More info ]
Unavailable
#5 17-65855 PIN, Dowel, Reed Locating (16 required per assembly)
PIN 17-65855
17-65855

About Mercury Marine

OEM Part

17-65855 - Pin, Dowel [ More info ]

Add to shopping cart $3.80
Available to Order: Shipping delay up to 10 days.

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

About Mercury Marine

OEM Part

10-45775 - Screw, NLA [ More info ]
Unavailable
#7 11-45774 NUT, Main Bearing Screw (4 required per assembly)
NUT,NLA 11-45774
11-45774

About Mercury Marine

OEM Part

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

Add to shopping cart $4.99 $4.22
10+ In Stock.

#8 34-88498A 1 REED SET, Matched (2 required per assembly)
REED KIT 34-88498A 1
34-88498A 1

About Mercury Marine

OEM Part

34-88498A 1 - Reed Kit [ More info ]

Add to shopping cart $101.99
Available to Order: Shipping delay up to 10 days.

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

34-79014 - REED STOP [ More info ]
Unavailable
STOP-REED 34-822839
34-822839

About Mercury Marine

OEM Part

34-822839 - Reed Stop [ More info ]

Add to shopping cart $9.69
Available to Order: Shipping delay up to 10 days.

#10 10-77280 SCREW, (.190-32 x .560), Reed Stop (0.563 Inch) (8 required per assembly)
10-77280 - SCREW (.190-32 x   NLA
10-77280

About Mercury Marine

OEM Part

10-77280 - Screw, NLA [ More info ]
Unavailable
#11 11-20110 NUT, (#10-32), Reed Stop Screw (8 required per assembly)
NUT 11-20110
11-20110

About Mercury Marine

OEM Part

11-20110 - Nut (M10X32) [ More info ]

Add to shopping cart $1.70
10+ In Stock.

#12 743-5172A 6 PISTON ASSEMBLY (4 required per assembly) (Standard)
743-5172A 6 - PISTON ASSEMBLY    - Replaced by 780-9229A 7
743-5172A 6

743-5172A 6 - Piston, Std [ More info ]
Unavailable
PISTON ASSY-STD 780-9229A 7
780-9229A 7

About Mercury Marine

OEM Part

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

Add to shopping cart $157.99
Available to Order: Shipping delay up to 10 days.

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

743-3366A 2 - Piston - .015 [ More info ]
Unavailable
780-9229A10 - PISTON ASSEMBLY    NLA
780-9229A10

About Mercury Marine

OEM Part

780-9229A10 - Piston Assembly -.015 [ More info ]
Unavailable
#12 743-7716A 2 PISTON ASSEMBLY (AR required per assembly) (.030 Oversize)
743-7716A 2 - PISTON ASSEMBLY    - Replaced by 780-9229A11
743-7716A 2

743-7716A 2 - Piston Assembly -.030 [ More info ]
Unavailable
780-9229A11 - PISTON ASSEMBLY    NLA
780-9229A11

About Mercury Marine

OEM Part

780-9229A11 - Piston Assembly.030, NLA [ More info ]
Unavailable
#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 $0.99
10+ In Stock.

RING-LOCK 40-828119
40-828119

About Mercury Marine

OEM Part

40-828119 - Lock Ring [ More info ]

Add to shopping cart $3.19
10+ In Stock.

#14 39-27841A12 RING SET, Piston - Standard (1 required per assembly) (Standard)
RING SET-STD 39-27841A12
39-27841A12

About Mercury Marine

OEM Part

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

Add to shopping cart $99.58
2 In Stock.

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

About Mercury Marine

OEM Part

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

Add to shopping cart $44.99 $38.10
10 In Stock.

#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 $28.00 $23.72
8 In Stock.

#15 632-7621A 3 CONNECTING ROD ASSEMBLY (4 required per assembly)
CONNECTING ROD,NLA 632-7621A 3
632-7621A 3

About Mercury Marine

OEM Part

632-7621A 3 - Connecting Rod, New Surplus, NLA [ More info ]

Add to shopping cart $42.99 $36.41
10+ In Stock.

#16 10-91012 SCREW, (.250-28 Special), Cap to Rod (8 required per assembly)
SCREW-SPEC 10-91012
10-91012

About Mercury Marine

OEM Part

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

Add to shopping cart $7.89
Available to Order: Shipping delay up to 10 days.

#18 29-20063 BEARING, Needle, Piston Pin (108 required per assembly)
BRG-NEEDLE 29-20063
29-20063

About Mercury Marine

OEM Part

29-20063 - Needle Bearing [ More info ]

Add to shopping cart $0.60 $0.43
10+ In Stock.

#19 12-47275 WASHER, Needle Locating (8 required per assembly)
12-47275 - WASHER
12-47275

About Mercury Marine

OEM Part

12-47275 - Washer, Needle Bearing Retaining [ More info ]
Unavailable
#20 29-20046T BEARING, Needle, Crankpint (100 required per assembly)
29-20046T - BEARING Needle     NLA
29-20046T

About Mercury Marine

OEM Part

29-20046T - Needle Bearing [ More info ]
Unavailable
#21 547-7060A 2 BEARING ASSEMBLY, Center Main (1 required per assembly)
547-7060A 2 - BEARING ASSEMBLY   NLA
547-7060A 2

About Mercury Marine

OEM Part

547-7060A 2 - Main Bearing, NLA [ More info ]
Unavailable
#22 17-20032 PIN, Dowel, Center Main Bearing (2 required per assembly)
PIN-DOWEL 17-20032
17-20032

About Mercury Marine

OEM Part

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

Add to shopping cart $2.30
10+ In Stock.

#23 29-71422 BEARING, Needle (56 required per assembly)
29-71422 - BEARING Needle     - Replaced by 29-714221
29-71422

29714221 PRICED EACH [ More info ]
Unavailable
BRG-NEEDLE 29-714221
29-714221

About Mercury Marine

OEM Part

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

Add to shopping cart $0.30 $0.26
10+ In Stock.

#24 26113 RACE, Outer (1 required per assembly)
26113 - RACE               - Replaced by -26113T
26113

26113 - Outer Race [ More info ]
Unavailable
RACE-CENTER MAIN 26113T
26113T

About Mercury Marine

OEM Part

26113T - Race - Center Main [ More info ]

Add to shopping cart $147.49
Available to Order: Shipping delay up to 10 days.

#25 53-26933 RING, Snap, Outer Race (1 required per assembly)
RING-SNAP,NLA 53-26933
53-26933

About Mercury Marine

OEM Part

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

Add to shopping cart $4.68
10+ In Stock.

#26 10-76630 SCREW, (.250-20 x 1.00), Center Main Bearing (1 Inch) (2 required per assembly)
108M0214943 10-76630
10-76630

About Mercury Marine

OEM Part

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

Add to shopping cart $1.24
1 In Stock.

SCREW 10-8M0214943
10-8M0214943

About Mercury Marine

OEM Part

108M0214943 - SCREW, Priced Individually [ More info ]

Add to shopping cart $1.80
Available to Order: Shipping delay up to 10 days.


This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.