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Parts for Mercury Marine Model 40 4 HP (1 Cylinder) Cylinder Block & Crankcase Assembly

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 843-4744A 3 CYLINDER BLOCK AND CRANKCASE ASSEMBLY (1 required per assembly)
CYLINDER BLOCK    O - Replaced by 843-5697A 3  
843-4744A 3This part has been superseded. CYLINDER BLOCK O - Replaced by 843-5697A 3
(more info)
    UnavailableUnavailable Parts
8436423A3 843-5697A 3  
843-5697A 3OEM Part 843-5697A 3 - Cyinder Block (more info) About Mercury Marine $111.35 $111.35 Add to shopping cart
1 in stock. Explain stock levels
CYLINDER BLOCK    O - Replaced by 843-7464A 2  
843-6423A 3This part has been superseded. CYLINDER BLOCK O - Replaced by 843-7464A 2
(more info)
    UnavailableUnavailable Parts
CYLINDER BLOCK    O - Replaced by 843-8694A 3  
843-7464A 2This part has been superseded. CYLINDER BLOCK O - Replaced by 843-8694A 3
(more info)
    UnavailableUnavailable Parts
CYLINDER BLOCK,NLA 843-8694A 3 843-8694A 3
843-8694A 3OEM Part 843-8694A 3 - Cylinder Block, NLA (more info) About Mercury Marine $125.00 $125.00 Add to shopping cart
1 in stock. Explain stock levels
#2 16-66021 STUD, SYLINDER BLOCK AND CRANKCASE TO DRIVE SHAFT HOUSING (6 required per assembly)
STUD,NLA 16-66021  
16-66021OEM Part 16-66021 - Stud, NLA (more info) About Mercury Marine $7.00 $7.00 Add to shopping cart
10+ in stock. Explain stock levels
#3 16-66020 STUD, CARBURETOR MOUNTING (2 required per assembly)
STUD @2           O NLA  
16-66020 STUD @2 O NLA
(more info)
    UnavailableUnavailable Parts
#4 17-46912 PIN, DOWEL - CRANKCASE TO CYLINDER BLOCK (2 required per assembly)
1785500 17-46912  
17-46912OEM Part 17-46912 - Pin -Dowel (more info) About Mercury Marine $0.50 $0.50 Add to shopping cart
10+ in stock. Explain stock levels
178M0084726 17-85500  
17-85500OEM Part 17-85500 - Pin -Dowel (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
PIN Dowel 17-8M0084726  
178M0084726OEM Part 178M0084726 - Pin - Dowel (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 22-62035A 3 ELBOW ASSEMBLY, BLEED DRAIN (1 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW
FITTING ASSY      O - Replaced by 22-65350A 1  
22-62035A 3This part has been superseded. FITTING ASSY O - Replaced by 22-65350A 1
(more info)
    UnavailableUnavailable Parts
CONNECTOR ASSY    O - Replaced by 21-64871A 2  
22-65350A 1This part has been superseded. CONNECTOR ASSY O - Replaced by 21-64871A 2
(more info)
    UnavailableUnavailable Parts
VALVE ASSY-CHECK,NLA 21-64871A 2 21-64871A 2
21-64871A 2OEM Part 21-64871A 2 - Check Valve Assembly, NLA (more info) About Mercury Marine $19.00 $19.00 Add to shopping cart
10+ in stock. Explain stock levels
#6 21-56011A 2 CHECK VALVE ASSEMBLY (1 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW
2142657A1 21-56011A 2  
21-56011A 2OEM Part 21-56011A 2 - Check Valve Assembly (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
9 in stock. Explain stock levels
VALVE ASSY-CHECK  O - Replaced by 21-42657A 3  
21-42657A 1This part has been superseded. VALVE ASSY-CHECK O - Replaced by 21-42657A 3
(more info)
    UnavailableUnavailable Parts
CHECK VALVE 21-42657A 3  
21-42657A 3OEM Part 21-42657A 3 - Check Valve Assembly (more info) About Mercury Marine $4.60 $4.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 21-64871A 2 FITTING ASSEMBLY, BLEED DRAIN (1 required per assembly) UNITED STATES 3529446 THRU 3764824 AUSTRALIA 8005740 THRU 8014364 BELGIUM 9012109 THRU 9037733 CANADA 7011058 THRU 7025897
#7 32-54936 HOSE, BLEED DRAIN (7 1/2") (1 required per assembly)
HOSE              O - Replaced by 32-54935 76  
32-54936This part has been superseded. HOSE O - Replaced by 32-54935 76
(more info)
    UnavailableUnavailable Parts
HOSE              O - Replaced by 32-54935 79  
32-54935 76This part has been superseded. HOSE O - Replaced by 32-54935 79
(more info)
    UnavailableUnavailable Parts
HOSE              O - Replaced by 32-99387 79  
32-54935 79This part has been superseded. HOSE O - Replaced by 32-99387 79
(more info)
    UnavailableUnavailable Parts
HOSE 32-99387 79 32-99387 79
32-99387 79OEM Part 32-99387 79 - Hose -27 Inch (more info) About Mercury Marine $10.30 $10.30 Add to shopping cart
5 in stock. Explain stock levels
#8 54-56223 CLAMP, BLEED HOSE ATTACHING (2 required per assembly)
CLAMP @2          O NLA  
54-56223 CLAMP @2 O NLA
(more info)
    UnavailableUnavailable Parts
#9 22-62034 ELBOW, BLEED DRAIN (1 required per assembly)
ELBOW             O - Replaced by 22-78916  
22-62034This part has been superseded. ELBOW O - Replaced by 22-78916
(more info)
    UnavailableUnavailable Parts
ELBOW,NLA 22-78916  
22-78916OEM Part 22-78916 - Elbow, NLA (more info) About Mercury Marine $15.00 $15.00 Add to shopping cart
10+ in stock. Explain stock levels
#10 22-25885 ELBOW, 90 - 1/8' MALE (TELL TALE) (1 required per assembly)
2299664 22-25885  
22-25885OEM Part 22-25885 - Elbow - Priced Individually (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
1 in stock. Explain stock levels
ELBOW             O - Replaced by 22-99664  1  
22-99664This part has been superseded. ELBOW O - Replaced by 22-99664 1
(more info)
    UnavailableUnavailable Parts
ELBOW             O - Replaced by 22-99664  2  
22-99664 1This part has been superseded. ELBOW O - Replaced by 22-99664 2
(more info)
    UnavailableUnavailable Parts
FITTING Elbow 90 22-99664  2 22-99664  2
22-99664 2OEM Part 22-99664 2 - Elbow (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
1 in stock. Explain stock levels
#11 10-24624 SCREW, CRANKCASE TO CYLINDER BLOCK (1 3/4") (2 required per assembly)
SCREW,NLA 10-24624  
10-24624OEM Part 10-24624 - Screw, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
6 in stock. Explain stock levels
#12 10-31294 SCREW, CRANKCASE TO CYLINDER BLOCK (1") (8 required per assembly)
SCREW @5          O - Replaced by 10-64278  
10-31294This part has been superseded. SCREW @5 O - Replaced by 10-64278
(more info)
    UnavailableUnavailable Parts
SCREW,NLA 10-64278 10-64278
10-64278OEM Part 10-64278 - Screw, NLA (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
10+ in stock. Explain stock levels
#13 11-46887 NUT, CRANKCASE FASTENING SCREW (10 required per assembly)
1120184 11-46887  
11-46887OEM Part 11-46887 - Nut (more info) About Mercury Marine $0.30 $0.30 Add to shopping cart
3 in stock. Explain stock levels
NUT (1/4-28X7/32) 11-20184 11-20184
11-20184OEM Part 11-20184 - Nut - Priced Individually (more info) About Mercury Marine $1.30 $1.30 Add to shopping cart
2 in stock. Explain stock levels
#14 35728 REED BLOCK (1 required per assembly)
REED BLOCK        O - Replaced by -70726  
35728This part has been superseded. REED BLOCK O - Replaced by -70726
(more info)
    UnavailableUnavailable Parts
Owners manual  Manual 207444 Owners Manual - 1975; 75; 75542, 75543; Evinrude OUTBOARDS $24.95 $24.95 Add to shopping cart
REED BLOCK        O NLA  
70726 REED BLOCK O NLA
(more info)
    UnavailableUnavailable Parts
#15 34-35836 REED, INLET VALVE (2 required per assembly)
REED Note: must be ordered in multiples of 2 34-35836  
34-35836OEM Part 34-35836 - Reed - Priced Individually (more info) About Mercury Marine $7.70 $7.70 Add to shopping cart
2 in stock. Explain stock levels
#16 34-22215 RETAINER, REED (2 required per assembly)
REED STOP,NLA 34-22215  
34-22215OEM Part 34-22215 - Reed Stop, NLA (more info) About Mercury Marine $10.00 $10.00 Add to shopping cart
8 in stock. Explain stock levels
#17 10-28430 SCREW, REED AND RETAINER TO BLOCK (1/4") (4 required per assembly)
SCREW (#6-32 x .2 10-28430 10-28430
10-28430OEM Part 10-28430 - Screw (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 27-35739 GASKET, REED BLOCK TO CRANKCASE (1 required per assembly)
27357391 27-35739  
27-35739OEM Part 27-35739 - Gasket - Priced Individually (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
GASKET,NLA 27-35739  1  
27-35739 1OEM Part 27-35739 1 - Gasket, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
#19 30-20861 BEARING, BALL - CRANKCASE (LOWER) (1 required per assembly)
BALL BEARING@2    O - Replaced by 30-72961  
30-20861This part has been superseded. BALL [email protected] O - Replaced by 30-72961
(more info)
    UnavailableUnavailable Parts
BEARING Ball 30-72961 30-72961
30-72961OEM Part 30-72961 - Ball Bearing (more info) About Mercury Marine $20.30 $17.39 Add to shopping cart
4 in stock. Explain stock levels
Bearing, Ball 18-1398
18-1398OEM Match 18-1398 - Bearing, 30-72961 (more info) About Sierra Marine $16.99 $15.41 Add to shopping cart
4 in stock. Explain stock levels
#20 26-56397 OIL SEAL, CRANKCASE (LOWER) (1 required per assembly)
SEAL,NLA 26-56397 26-56397
26-56397OEM Part 26-56397 - Seal, NLA (more info) About Mercury Marine $20.00 $20.00 Add to shopping cart
10+ in stock. Explain stock levels
Oil Seal 18-0527
18-0527OEM Match 18-0527 - Seal, 26-56397 (more info) About Sierra Marine $19.99 $19.24 Add to shopping cart
2 in stock. Explain stock levels
#21 15-31412A 1 SHIM ASSEMBLY, UPPER HOUSING TO BLOCK (.002-3-5-10) (AR required per assembly)
SHIM SET,NLA 15-31412A 1  
15-31412A 1OEM Part 15-31412A 1 - Shim Set, NLA (more info) About Mercury Marine $9.00 $9.00 Add to shopping cart
10+ in stock. Explain stock levels
#22 1132-4471A 1 BEARING HOUSING ASSEMBLY, UPPER (1 required per assembly)
HOUSING ASSY      O - Replaced by 1132-6352A 1  
1132-4471A 1This part has been superseded. HOUSING ASSY O - Replaced by 1132-6352A 1
(more info)
    UnavailableUnavailable Parts
HOUSING ASSY      O NLA  
1132-6352A 1 HOUSING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#24 31-31410 BEARING, ROLLER - UPPER BEARING HOUSING (1 required per assembly)
BEARING,NLA 31-31410 31-31410
31-31410OEM Part 31-31410 - Bearing, NLA (more info) About Mercury Marine $16.00 $16.00 Add to shopping cart
10+ in stock. Explain stock levels
#25 26-31411 OIL SEAL, UPPER BEARING HOUSING (1 required per assembly)
SEAL ,NLA 26-31411 26-31411
26-31411OEM Part 26-31411 - Seal, NLA (more info) About Mercury Marine $22.00 $22.00 Add to shopping cart
1 in stock. Explain stock levels
#26 25-20863 "O" RING, UPPER BEARING HOUSING (1 required per assembly)
O-RING 25-20863 25-20863
25-20863OEM Part 25-20863 - O-Ring - Priced Individually (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
10+ in stock. Explain stock levels
O-Ring 18-7152-9
18-7152-9OEM Match 18-7152-9 - O-Ring 5 Pack 25-20863 (more info)
Replaces OEM #0307082
About Sierra Marine $14.95 $8.07 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 54-34598 CLAMP, HOLD DOWN RING (2 required per assembly)
CLIP,NLA 54-34598 54-34598
54-34598OEM Part 54-34598 - Clip, NLA (more info) About Mercury Marine $11.00 $11.00 Add to shopping cart
10+ in stock. Explain stock levels
#28 10-36205 SCREW, HOLD DOWN RING CLAMP TO BEARING HOUSING (9/16") (4 required per assembly)
SCREW,NLA 10-36205  
10-36205OEM Part 10-36205 - Screw, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#29 24-34731 SPRING, HOLD DOWN RING CLAMP (4 required per assembly)
SPRING,NLA 24-34731  
24-34731OEM Part 24-34731 - Spring, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#30 10-39002 SCREW, UPPER BEARING HOUSING (#12-24 X 1/2) (4 required per assembly)
SCREW,NLA 10-39002  
10-39002OEM Part 10-39002 - Screw, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
7 in stock. Explain stock levels
#31 35658 COVER, TRANSFER PORT (1 required per assembly)
COVER,NLA 35658  
35658OEM Part 35658 - Cover, NLA (more info) About Mercury Marine $7.00 $7.00 Add to shopping cart
1 in stock. Explain stock levels
Parts manual  Manual 281049 Parts Catalog - 1977; 6; 6704, 6705; Evinrude OUTBOARDS $19.95 $19.95 Add to shopping cart
#32 27-35657 GASKET, TRANSFER PORT COVER (1 required per assembly)
GASKET,NLA 27-35657  
27-35657OEM Part 27-35657 - Gasket - Priced Individually (more info) About Mercury Marine $3.75 $3.75 Add to shopping cart
10+ in stock. Explain stock levels
#33 10-20720 SCREW, TRANSFER PORT COVER TO CYLINDER BLOCK (5/8") (2 required per assembly)
SCREW,NLA 10-20720  
10-20720OEM Part 10-20720 - Screw, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#34 1016-4776 COVER, CYLINDER BLOCK (1 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW
10165230A1 1016-4776  
1016-4776OEM Part 1016-4776 - Cover (more info) About Mercury Marine $5.55 $5.55 Add to shopping cart
1 in stock. Explain stock levels
COVER ASSY        O - Replaced by 1016-7070A 1  
1016-5230A 1This part has been superseded. COVER ASSY O - Replaced by 1016-7070A 1
(more info)
    UnavailableUnavailable Parts
CYL BLOCK COVER   O NLA  
1016-7070A 1 CYL BLOCK COVER O NLA
(more info)
    UnavailableUnavailable Parts
#35 31014 MOUNT, RUBBER - COVER TO TOP COWL (2 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW
MOUNT             O NLA  
31014 MOUNT O NLA
(more info)
    UnavailableUnavailable Parts
#36 13-26992 LOCKWASHER, RUBBER MOUNT (2 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW
LOCKWASHER (.250) 13-26992  
13-26992OEM Part 13-26992 - LockWasher - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#37 11-20088 NUT, RUBBER MOUNT TO COVER (2 required per assembly) UNITED STATES 3764824 AND BELOW AUSTRALIA 8014364 AND BELOW BELGIUM 9037733 AND BELOW CANADA 7025897 AND BELOW
NUT,NLA 11-20088  
11-20088OEM Part 11-20088 - Nut, NLA (more info) About Mercury Marine $1.65 $1.65 Add to shopping cart
10+ in stock. Explain stock levels
#34 1016-5230A 1 COVER ASSEMBLY, CYLINDER BLOCK (1 required per assembly) UNITED STATES 3529446 THRU 3764824 AUSTRALIA 8005740 THRU 8014364 BELGIUM 9012109 THRU 9037733 CANADA 7011058 THRU 7025897
#35 66019 MOUNT, RUBBER - COVER TO TOP COWL (2 required per assembly) UNITED STATES 3529446 THRU 3764824 AUSTRALIA 8005740 THRU 8014364 BELGIUM 9012109 THRU 9037733 CANADA 7011058 THRU 7025897
MOUNT,NLA 66019 66019
66019OEM Part 66019 - Mount, NLA (more info) About Mercury Marine $14.00 $14.00 Add to shopping cart
10+ in stock. Explain stock levels
#36 13-20202 LOCKWASHER, RUBBER MOUNT (2 required per assembly) UNITED STATES 3529446 THRU 3764824 AUSTRALIA 8005740 THRU 8014364 BELGIUM 9012109 THRU 9037733 CANADA 7011058 THRU 7025897
LOCKWASHER,NLA 13-20202  
13-20202OEM Part 13-20202 - LockWasher, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#37 11-20083 NUT, RUBBER MOUNT TO COVER (2 required per assembly) UNITED STATES 3529446 THRU 3764824 AUSTRALIA 8005740 THRU 8014364 BELGIUM 9012109 THRU 9037733 CANADA 7011058 THRU 7025897
1122053 11-20083  
11-20083OEM Part 11-20083 - Nut - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
NUT (.312-24) 11-22053 11-22053
11-22053OEM Part 11-22053 - Nut - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#38 27-35735 GASKET, COVER TO CYLINDER BLOCK (1 required per assembly)
2778140 27-35735  
27-35735OEM Part 27-35735 - Gasket Note: Must be ordered in multiples of 3 (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
1 in stock. Explain stock levels
GASKET            O - Replaced by 27-41615 27-78140
27-78140This part has been superseded. GASKET O - Replaced by 27-41615
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-41615  1 27-41615
27-41615This part has been superseded. GASKET O - Replaced by 27-41615 1
(more info)
    UnavailableUnavailable Parts
GASKET 27-41615  1 27-41615  1
27-41615 1OEM Part 27-41615 1 - Gasket (more info) About Mercury Marine $5.40 $5.40 Add to shopping cart
1 in stock. Explain stock levels
#39 10-21091 SCREW, SYLINDER BLOCK COVER TO CYLINDER BLOCK (1 1/4") (4 required per assembly)
SCREW,NLA 10-21091  
10-21091OEM Part 10-21091 - Screw, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#41 27-46232 GASKET, SYLINDER BLOCK TO BAFFLE PLATE (1 required per assembly)
GASKET @3         O - Replaced by 27-78139  
27-46232This part has been superseded. GASKET @3 O - Replaced by 27-78139
(more info)
    UnavailableUnavailable Parts
GASKET @5         O - Replaced by 27-41614 27-78139
27-78139This part has been superseded. GASKET @5 O - Replaced by 27-41614
(more info)
    UnavailableUnavailable Parts
GASKET @2         O - Replaced by 27-41614  1 27-41614
27-41614This part has been superseded. GASKET @2 O - Replaced by 27-41614 1
(more info)
    UnavailableUnavailable Parts
GASKET Note: must be ordered in multiples of 2 27-41614  1 27-41614 1
27-41614 1OEM Part 27-41614 1 - Gasket - Priced Individually (more info) About Mercury Marine $6.20 $6.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#42 46234 PLATE, BAFFLET - EXHAUST MANIFOLD (1 required per assembly)
PLATE,NLA 46234 46234
46234OEM Part 46234 - Plate (more info) About Mercury Marine $20.00 $20.00 Add to shopping cart
10+ in stock. Explain stock levels
#44 46171 COVER, EXHAUST MANIFOLD (1 required per assembly)
COVER             O NLA  
46171 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#45 10-28636 SCREW, PLATE/MANIFOLD COVER TO BLOCK (3/4") (6 required per assembly) UNITED STATES 3529445 AND BELOW AUSTRALIA 8005739 AND BELOW BELGIUM 9012108 AND BELOW CANADA 7011057 AND BELOW
SCREW (.250-20 x 10-28636 10-28636
10-28636OEM Part 10-28636 - Screw - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#45 10-49668 SCREW, PLATE/MANIFOLD COVER TO BLOCK (3/4") (6 required per assembly) UNITED STATES 3529445 AND BELOW AUSTRALIA 8005739 AND BELOW BELGIUM 9012108 AND BELOW CANADA 7011057 AND BELOW
SCREW (.250-20 x 10-49668 10-49668
10-49668OEM Part 10-49668 - Screw - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels