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Parts for Mercury Marine Model 40, 4 HP (Gnat 2 Cylinder) Crankshaft, Piston & Connecting Rod

#1 458-5549 CRANKSHAFT (1 required per assembly)
458-5549 - CRANKSHAFT        O NLA
 

About Mercury Marine

OEM Part

458-5549 - CRANKSHAFT O NLA [ More info ]
Unavailable
#2 626-5547A 5 CONNECTING ROD ASSEMBLY (2 required per assembly)
626-5547A 5 - CONNECTING ROD AS O NLA
 

About Mercury Marine

OEM Part

626-5547A 5 - CONNECTING ROD AS O NLA [ More info ]
Unavailable
#3 10-72455 SCREW, CONNECTING ROD (4 required per assembly)
10-72455 - SCREW             O NLA
 

About Mercury Marine

OEM Part

10-72455 - SCREW O NLA [ More info ]
Unavailable
#4 14-72454 TAB WASHER, CONNECTING ROD SCREW (4 required per assembly)
14-72454 - TAB WASHER        O NLA
 

About Mercury Marine

OEM Part

14-72454 - TAB WASHER O NLA [ More info ]
Unavailable
#5 29-68944 NEEDLE BEARING, CONNECTING ROD (50 required per assembly)
NEEDLE BRG,NLA 29-68944
29-68944

About Mercury Marine

OEM Part

29-68944 - Needle Bearing - Priced Individually, NLA [ More info ]

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

#6 68953A 1 LINER ASSEMBLY, CONNECTING ROD - CRANKPIN (2 required per assembly)
68953A 1 - LINER ASSEMBLY    O NLA
 

About Mercury Marine

OEM Part

68953A 1 - LINER ASSEMBLY O NLA [ More info ]
Unavailable
#8 31-68949 ROLLER BEARING, CONNECTING ROD - PISTON PIN (2 required per assembly)
BEARING ,NLA 31-68949
31-68949

About Mercury Marine

OEM Part

31-68949 - Bearing, NLA [ More info ]

Add to shopping cart $6.00
3 in stock. Explain stock levels

#9 758-6248A 2 PISTON ASSEMBLY (2 required per assembly)
758-6248A 2 - PISTON ASSEMBLY   O - Replaced by 758-8076A 2
 

This part has been superseded.

758-6248A 2 - 758-6248A 2 - PISTON ASSEMBLY O [ More info ]
Unavailable
Replaced by 758-8076A 2
758-8076A 2 - PISTON ASSEMBLY   O NLA
 

About Mercury Marine

OEM Part

758-8076A 2 - PISTON ASSEMBLY O NLA [ More info ]
Unavailable
#10 40-68950 LOCK RING, PISTON (4 required per assembly)
LOCK RING,NLA 40-68950
 

About Mercury Marine

OEM Part

40-68950 - Lock Ring, NLA [ More info ]

Add to shopping cart $3.75
10+ in stock. Explain stock levels

#11 39-70175A12 PISTON RING ASSEMBLY (1 required per assembly)
RING SET-12 PCS,NLA 39-70175A12
 

About Mercury Marine

OEM Part

39-70175A12 - Ring Set-12 PCS, NLA [ More info ]

Add to shopping cart $95.00
4 in stock. Explain stock levels

#12 26-30530 OIL SEAL, CRANKSHAFT - UPPER (1 required per assembly)
SEAL Oil 26-30530
26-30530

About Mercury Marine

OEM Part

26-30530 - Seal - Priced Individually [ More info ]

Add to shopping cart $19.08
Available to order: Usually ships within 8 days. Explain stock levels

Oil Seal
18-0515

About Sierra Marine

OEM Match

18-0515 - Seal, 26-30530 [ More info ]

Add to shopping cart $9.99 $7.09
1 in stock. Explain stock levels

#13 31-78099 ROLLER BEARING, CRANKSHAFT - UPPER (1 required per assembly)
BEARING,NLA 31-78099
 

About Mercury Marine

OEM Part

31-78099 - Bearing,NLA [ More info ]

Add to shopping cart $10.00
8 in stock. Explain stock levels

#14 71841 RING, CRANKSHAFT (1 required per assembly)
71841 - RING              O NLA
 

About Mercury Marine

OEM Part

71841 - RING O NLA [ More info ]
Unavailable
#15 30-69389 BALL BEARING, CRANKSHAFT - LOWER (1 required per assembly)
BALL BEARING,NLA 30-69389
30-69389

About Mercury Marine

OEM Part

30-69389 - Ball Bearing, NLA [ More info ]

Add to shopping cart $50.00
10+ in stock. Explain stock levels

#16 53-68952 RETAINING RING, BALL BEARING - LARGE (1 required per assembly)
53-68952 - RING Retaining    O NLA
 

About Mercury Marine

OEM Part

53-68952 - RING Retaining O NLA [ More info ]
Unavailable
#17 53-27275 RETAINING RING, BALL BEARING - SMALL (1 required per assembly)
53-27275 - RING Retaining    O NLA
 

About Mercury Marine

OEM Part

53-27275 - RING Retaining O NLA [ More info ]
Unavailable
#18 26-77494 OIL SEAL, CRANKSHAFT (1 required per assembly)
SEAL ,NLA 26-77494
26-77494

About Mercury Marine

OEM Part

26-77494 - Seal, NLA [ More info ]

Add to shopping cart $26.00
10+ in stock. Explain stock levels

#19 25-62706 "O" RING, CRANKSHAFT (1 required per assembly)
O-RING (.426 x .070) 25-62706
25-62706

About Mercury Marine

OEM Part

25-62706 - O-Ring - Priced Individually [ More info ]

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

O Ring
18-7102

About Sierra Marine

OEM Match

18-7102-9 - O-Ring (PK5) 307450 [ More info ]

Add to shopping cart $9.95 $6.89
3 in stock. Explain stock levels

#20 70786A 1 COUPLING ASSEMBLY, CRANKSHAFT (1 required per assembly)
70786A 1 - COUPLING ASSEMBLY O NLA
 

About Mercury Marine

OEM Part

70786A 1 - COUPLING ASSEMBLY O NLA [ More info ]
Unavailable
#21 26-76266 SEAL, COUPLING (1 required per assembly)
SEAL ,NLA 26-76266
 

About Mercury Marine

OEM Part

26-76266 - Seal, NLA [ More info ]

Add to shopping cart $10.00
10+ in stock. Explain stock levels

#- 27-68938A75 GASKET SET
27-68938A75 - GASKET SET        O - Replaced by 27-77586A78
 

This part has been superseded.

27-68938A75 - 27-68938A75 - GASKET SET O [ More info ]
Unavailable
Replaced by 27-77586A78
27-77586A78 - GASKET SET        O NLA
 

About Mercury Marine

OEM Part

27-77586A78 - GASKET SET O NLA [ More info ]
Unavailable