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Parts for Mercury Marine 40 HP (2 Cylinder) Cylinder Block Crankcase & Covers

# 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.

# 61779A81 POWERHEAD ASSEMBLY (1 required per assembly)
61779A81 - POWERHEAD ASSEMBL  - Replaced by -61779A84
 

61779A81 - Powerhead [ More info ]
Unavailable
61779A84 - POWERHEAD ASSEMBL  - Replaced by -61779A87
 

61779A84 - Powerhead [ More info ]
Unavailable
61779A87 - POWERHEAD ASSEMBL  NLA
 

About Mercury Marine

OEM Part

61779A87 - Powerhead MARINE,NLA [ More info ]
Unavailable
#1 1151-4732A 1 END CAP ASSEMBLY, UPPER (1 required per assembly) SN# USA-5823917/Australia-8070639/Belgium-9298955/Canada-7169337 & Below
END CAP ASSY,NLA 1151-4732A 1
 

About Mercury Marine

OEM Part

1151-4732A 1 - End Cap Assembly, NLA [ More info ]

Add to shopping cart $100.00
3 In Stock.

#1 1167-8277A 1 END CAP ASSEMBLY, Upper (1 required per assembly) SN# USA-5823918/Australia-8070640/Belgium-9298956/Canada-7169338 & Up
END CAP,NLA 1167-8277A 1
 

About Mercury Marine

OEM Part

1167-8277A 1 - End Cap, NLA [ More info ]

Add to shopping cart $100.00
3 In Stock.

#2 25-47254 O-RING, UPPER END CAP (1 required per assembly)
O RING 25-47254
25-47254

About Mercury Marine

OEM Part

25-47254 - O-ring, Upper End Cap [ More info ]

Add to shopping cart $5.90
2 In Stock.

O-RING
18-7961

About Sierra Marine

OEM Match

18-7961 - O-Ring 25-97386 [ More info ]

Add to shopping cart $3.99
10+ In Stock.

#3 31-62066 BEARING, Roller, UPPER END CAP (1 required per assembly)
3162066T 31-62066
31-62066

About Mercury Marine

OEM Part

31-62066 - Roller Bearing - Upper End Cap [ More info ]

Add to shopping cart $53.33
10+ In Stock.

BEARING ,NLA 31-62066T
31-62066T

About Mercury Marine

OEM Part

31-62066T - Bearing [ More info ]

Add to shopping cart $40.00
9 In Stock.

#5 10-69034 SCREW AND LOCKWASHER, (.312-18 x 1.00), UPPER END CAP MOUNTING (4 required per assembly)
1030225 10-69034
 

About Mercury Marine

OEM Part

10-69034 - Screw w/ Lw [ More info ]

Add to shopping cart $2.21
6 In Stock.

SCREW W/LW 10-30225
10-30225

About Mercury Marine

OEM Part

10-30225 - Screw w/ Lw - Priced Individually [ More info ]

Add to shopping cart $0.90
4 In Stock.

#6 851-7940A 2 CYLINDER BLOCK ASSEMBLY (1 required per assembly)
851-7940A 2 - CYLINDER BLOCK AS  - Replaced by 851-7940A 6
 

851-7940A 2 - Cylinder Block [ More info ]
Unavailable
851-7940A 6 - CYLINDER BLOCK/CR  NLA
 

About Mercury Marine

OEM Part

851-7940A 6 - CYLINDER BL,NLA [ More info ]
Unavailable
#7 16-68164 STUD, CARBURETOR MOUNTING (1-1/4") (2 required per assembly)
16-68164 - STUD               - Replaced by 16-64936
 

16-68164 - Stud, NLA [ More info ]
Unavailable
STUD,NLA 16-64936
 

About Mercury Marine

OEM Part

16-64936 - Stud, NLA [ More info ]

Add to shopping cart $5.99
10+ In Stock.

#8 16-68165 STUD (1-5/8") (2 required per assembly)
STUD,NLA 16-68165
 

About Mercury Marine

OEM Part

16-68165 - Stud, NLA [ More info ]

Add to shopping cart $1.67
10+ In Stock.

#9 16-87901 STUD (4-3/8") (2 required per assembly)
16-87901 - STUD               NLA
16-87901

About Mercury Marine

OEM Part

16-87901 - Stud, NLA [ More info ]
Unavailable
#10 16-68166 STUD, (.312 x 2.125) (2 required per assembly)
STUD (.312 x  2.125) 16-68166
 

About Mercury Marine

OEM Part

16-68166 - Stud [ More info ]

Add to shopping cart $26.58
Available to Order: Usually ships within 10 days.

#11 16-68167 STUD, (.312-18/.312-24 x 2.560) (2 required per assembly)
16-68167 - STUD (.312-18/.31
 

About Mercury Marine

OEM Part

16-68167 - Stud [ More info ]
Unavailable
#12 66517 RESTRICTOR, CYLINDER BLOCK (BLEED) (1 required per assembly)
RESTRICTOR 66517
66517

About Mercury Marine

OEM Part

66517 - Bleed Restrictor - Priced Individually [ More info ]

Add to shopping cart $3.60
10 In Stock.

#13 17-23784 PIN, Dowel, CRANKCASE TO CYLINDER BLOCK (2 required per assembly)
PIN-DOWEL 17-23784
 

About Mercury Marine

OEM Part

17-23784 - Pin, Dowel [ More info ]

Add to shopping cart $5.00
Available to Order: Usually ships within 10 days.

#14 17-20323 PIN, Dowel, CYLINDER BLOCK TO MAIN BEARING (1 required per assembly)
PIN-DOWEL 17-20323
 

About Mercury Marine

OEM Part

17-20323 - Pin -Dowel - Priced Individually [ More info ]

Add to shopping cart $3.80 $2.13
10+ In Stock.

#15 27-55158 GASKET, SEALING - CYLINDER BLOCK (2 required per assembly)
GASKET 27-55158
27-55158

About Mercury Marine

OEM Part

27-55158 - Cylinder Block Gasket [ More info ]

Add to shopping cart $2.90
10+ In Stock.

#17 62064 BRACKET, STARTER MOTOR (1 required per assembly)
BRACKET,NLA 62064
62064

About Mercury Marine

OEM Part

62064 - Bracket, NLA [ More info ]

Add to shopping cart $35.56
10+ In Stock.

#18 10-21339 SCREW, (.312-24 x 1.375) (2 required per assembly)
SCREW,NLA 10-21339
 

About Mercury Marine

OEM Part

10-21339 - Screw, NLA [ More info ]

Add to shopping cart $1.39
10+ In Stock.

#19 11-29250 NUT, (.312-24), STARTER MOTOR BRACKET SCREW (2 required per assembly)
NUT 11-29250
11-29250

About Mercury Marine

OEM Part

11-29250 - Nut (5/16-24) [ More info ]

Add to shopping cart $2.80 $1.57
10+ In Stock.

#20 10-73657 SCREW, (.312-18 x 1.50) (6 required per assembly)
SCREW 10-73657
10-73657

About Mercury Marine

OEM Part

10-73657 - Screw - Priced Individually [ More info ]

Add to shopping cart $3.30
Available to Order: Usually ships within 10 days.

#20 10-63328 SCREW, (.312-18 x 3.00) (2 required per assembly)
SCREW 10-63328
10-63328

About Mercury Marine

OEM Part

10-63328 - Screw - Priced Individually [ More info ]

Add to shopping cart $2.99
10 In Stock.

#20 10-74824 SCREW, (.312-18 x 1.250) (1 required per assembly)
SCREW 10-74824
10-74824

About Mercury Marine

OEM Part

10-74824 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.70
Available to Order: Usually ships within 10 days.

#21 1152-7267A 1 END CAP ASSEMBLY, Lower (1 required per assembly)
1152-7267A 1 - END CAP ASSEMBLY   NLA
 

About Mercury Marine

OEM Part

1152-7267A 1 - End Cap Assembly, NLA [ More info ]
Unavailable
#22 26-41953 SEAL, LOWER END CAP (2 required per assembly)
SEAL              18-2016 26-41953
26-41953

About Mercury Marine

OEM Part

26-41953 - Oil Seal - Priced Individually [ More info ]

Add to shopping cart $19.45
7 In Stock.

OIL SEAL
18-2016

About Sierra Marine

OEM Match

18-2016 - Seal, 26-41953 [ More info ]

Add to shopping cart $13.99
6 In Stock.

#23 25-64067 O-RING, LOWER END CAP (1 required per assembly)
25823683 25-64067
25-64067

About Mercury Marine

OEM Part

25-64067 - O-ring, Lower End Cap [ More info ]

Add to shopping cart $2.21
10+ In Stock.

O RING 25-823683
25-823683

About Mercury Marine

OEM Part

25-823683 - O-ring, (1.989 X .070) [ More info ]

Add to shopping cart $3.10
3 In Stock.

#24 10-63365 SCREW, END CAP TO CYLINDER BLOCK (1-1/2") (3 required per assembly)
SCREW,NLA 10-63365
 

About Mercury Marine

OEM Part

10-63365 - Screw, NLA [ More info ]

Add to shopping cart $2.09
10+ In Stock.

#25 25-64068 O-RING, LOWER END CAP SCREW (3 required per assembly)
O RING 25-64068
25-64068

About Mercury Marine

OEM Part

25-64068 - O-ring, Lower End Cap Screw [ More info ]

Add to shopping cart $1.50
10+ In Stock.

O-RING 5
18-7145

About Sierra Marine

OEM Match

18-7145-9 - O-Ring, Pack of 5, 333572 [ More info ]

Add to shopping cart $4.99
10+ In Stock.

#26 27-85489 GASKET, CYLINDER BLOCK TO BAFFLE PLATE (1 required per assembly)
27-85489 - GASKET             - Replaced by 27-854891
 

27-85489 - Cylinder Block To Baffle Plate Gasket [ More info ]
Unavailable
27-854891 - ->854892 - Replaced by -854892
 

27-85489 1 - Gasket [ More info ]
Unavailable
854892 - GASKET                 NLA
 

About Mercury Marine

OEM Part

854892 - GASKET NLA [ More info ]
Unavailable
#27 55190 PLATE, DIVIDER - EXHAUST MANIFOLD (1 required per assembly)
DIVIDER PLATE,NLA 55190
55190

About Mercury Marine

OEM Part

55190 - Divider Plate, NLA [ More info ]

Add to shopping cart $53.99
10+ In Stock.

#28 27-85488 GASKET, BAFFLE PLATE TO EXHAUST COVER (1 required per assembly)
27854881 27-85488
 

About Mercury Marine

OEM Part

27-85488 - Baffle Plate To Exhaust Cover Gasket [ More info ]

Add to shopping cart $4.99
1 In Stock.

27-854881 - ->854882 - Replaced by -854882
 

27-85488 1 - Gasket [ More info ]
Unavailable
GASKET 27-854882
27-854882

About Mercury Marine

OEM Part

27-85488 2 - Gasket [ More info ]

Add to shopping cart $10.90
Available to Order: Usually ships within 10 days.

#29 55157 COVER, EXHAUST MANIFOLD (1 required per assembly)
55157 - COVER              - Replaced by -55157T
 

55157 - Cover [ More info ]
Unavailable
55157T - COVER              - Replaced by -551572
 

55157T - Cover [ More info ]
Unavailable
COVER,NLA 551572
551572

About Mercury Marine

OEM Part

55157 2 - Cover, NLA [ More info ]

Add to shopping cart $37.50
10+ In Stock.

#30 10-69092 SCREW, (1.25) (1 required per assembly)
10-69092 - SCREW (1.25)       - Replaced by 10-60411
 

10-69092 - Screw [ More info ]
Unavailable
SCREW 10-60411
10-60411

About Mercury Marine

OEM Part

10-60411 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.40
Available to Order: Usually ships within 10 days.

#30 10-69099 SCREW (1-3/8") (7 required per assembly)
10-69099 - SCREW              - Replaced by 10-31984
 

10-69099 - Screw [ More info ]
Unavailable
SCREW 10-31984
10-31984

About Mercury Marine

OEM Part

10-31984 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.70
Available to Order: Usually ships within 10 days.

#31 10-64021 SCREW, ADJUSTING - EXHAUST COVER (1-7/8") (2 required per assembly)
SCREW,NLA 10-64021
 

About Mercury Marine

OEM Part

10-64021 - Screw, NLA [ More info ]

Add to shopping cart $1.25
1 In Stock.

#32 11-64015 NUT, (.250-20), ADJUSTING SCREW (2 required per assembly)
NUT 11-64015
 

About Mercury Marine

OEM Part

11-64015 - Nut (1 /4-20) [ More info ]

Add to shopping cart $2.70
Available to Order: Usually ships within 10 days.

#33 26852 CAP, Nylon, ADJUSTING SCREW (2 required per assembly)
CAP Nylon 26852
26852

About Mercury Marine

OEM Part

26852 - Nylon Cap [ More info ]

Add to shopping cart $3.80
2 In Stock.

#34 1024-6652 COVER, CYLINDER BLOCK (1 required per assembly)
1024-6652 - COVER              - Replaced by 1024-9110
 

1024-6652 - Cylinder Block Cover [ More info ]
Unavailable
1024-9110 - COVER              - Replaced by 1024-9110T
 

1024-9110 - Cylinder Block Cover [ More info ]
Unavailable
1024-9110T - COVER              - Replaced by 1024-91101
 

1024-9110T - Cover [ More info ]
Unavailable
COVER,NLA 1024-91101
 

About Mercury Marine

OEM Part

1024-9110 1 - Cover, NLA [ More info ]

Add to shopping cart $68.00
1 In Stock.

#35 27-85490 GASKET, CYLINDER BLOCK COVER (1 required per assembly)
27-85490 - GASKET             - Replaced by 27-854901
 

27-85490 - Cylinder Block Cover Gasket [ More info ]
Unavailable
#37 46933A 3 STRAP ASEMBLY, Ground, POWERHEAD TO BOTTOM COWL (2 required per assembly)
STRAP ASSY,NLA 46933A 3
 

About Mercury Marine

OEM Part

46933A 3 - Strap Assembly, NLA [ More info ]

Add to shopping cart $3.67
10+ In Stock.

#38 22-32802 PLUG, Pipe (.125-27), CYLINDER BLOCK COVER (1 required per assembly)
22-32802 - PLUG Pipe (.125-2  - Replaced by 22-328021
22-32802

22-32802 - Plug , Priced Individually [ More info ]
Unavailable
22-328021 - ->328022 - Replaced by -328022
22-328021

22-32802 1 - Plug, Brass, Priced Individually [ More info ]
Unavailable
PLUG-(BRASS) 22-328022
22-328022

About Mercury Marine

OEM Part

22-32802 2 - Brass Pipe Plug, Priced Individually [ More info ]

Add to shopping cart $7.30
Available to Order: Usually ships within 10 days.

PIPE PLUG 1/8-27 NPT PIPE
18-4263

About Sierra Marine

OEM Match

18-4263 - Pipe Plug, 1/8-27 NPT, Brass [ More info ]

Add to shopping cart $5.19 $4.70
10+ In Stock.

#39 63970 COVER, TRANSFER PORT (1 required per assembly)
63970 - COVER              NLA
 

About Mercury Marine

OEM Part

63970 - Cover, NLA [ More info ]
Unavailable
#40 27-55279 GASKET, TRANSFER PORT COVER (1 required per assembly)
27-55279 - GASKET             - Replaced by 27-552791
27-55279

27-55279 - Transfer Port Cover Gasket [ More info ]
Unavailable
GASKET 27-552791
27-552791

About Mercury Marine

OEM Part

27-55279 1 - Gasket - Priced Individually [ More info ]

Add to shopping cart $7.30 $4.10
10+ In Stock.

#41 10-69100 SCREW, TRANSFER PORT COVER MOUNTING (1") (4 required per assembly)
10-69100 - SCREW              - Replaced by 10-76630
 

10-69100 - Screw [ More info ]
Unavailable
108M0214943 10-76630
10-76630

About Mercury Marine

OEM Part

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

Add to shopping cart $1.24
10+ In Stock.

SCREW 10-8M0214943
 

About Mercury Marine

OEM Part

108M0214943 - SCREW, Priced Individually [ More info ]

Add to shopping cart $1.70
Available to Order: Usually ships within 10 days.

#42 54-54457 J CLIP, COIL HARNESS (1 required per assembly)
J CLIP 54-54457
 

About Mercury Marine

OEM Part

54-54457 - J Clip [ More info ]

Add to shopping cart $4.60
Available to Order: Usually ships within 10 days.

#43 92059 BRACKET, FUEL FILTER AND HARNESS (1 required per assembly)
92059 - BRACKET            NLA
 

About Mercury Marine

OEM Part

92059 - Bracket, NLA [ More info ]
Unavailable
#44 10-76213 SCREW, (.250-20 x 1.120), BRACKET MOUNTING (2 required per assembly)
SCREW 10-76213
10-76213

About Mercury Marine

OEM Part

10-76213 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.70 $0.34
10+ In Stock.


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