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Parts for Mercury Marine Model 40, 4 HP (Gnat 2 Cylinder) Cylinder Block & Crankcase Assembly

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 862-5617A 4 BLOCK AND CRANKCASE ASS'Y (1 required per assembly) SERIAL #9210545 AND BELOW
CYL BLOCK-B       O - Replaced by 862-6501A 2  
862-5617A 4This part has been superseded. CYL BLOCK-B O - Replaced by 862-6501A 2
(more info)
    UnavailableUnavailable Parts
CYLINDER BLOCK-B  O - Replaced by 862-7713A 2  
862-6501A 2This part has been superseded. CYLINDER BLOCK-B O - Replaced by 862-7713A 2
(more info)
    UnavailableUnavailable Parts
CYLINDER BLOCK    O NLA  
862-7713A 2 CYLINDER BLOCK O NLA
(more info)
    UnavailableUnavailable Parts
#1 862-6501A 2 BLOCK AND CRANKCASE ASS'Y (1 required per assembly) SERIAL #9210546 AND UP
#2 16-56766 STUD, POWERHEAD (1 3/8") (6 required per assembly) SERIAL #9210545 AND BELOW
STUD (.250-20/.25 16-56766 16-56766
16-56766OEM Part 16-56766 - Stud - Priced Individually (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 16-72809 STUD, POWERHEAD (1 5/8") (6 required per assembly) SERIAL #9210546 AND UP
STUD              O - Replaced by 16-72809  1  
16-72809This part has been superseded. STUD O - Replaced by 16-72809 1
(more info)
    UnavailableUnavailable Parts
STUD (.250 x 1.62 16-72809  1  
16-72809 1OEM Part 16-72809 1 - Stud (more info) About Mercury Marine $6.60 $6.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 17-46912 PIN, 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 16-20353 STUD, REED BLOCK AND CARBURETOR (2 required per assembly)
STUD Note: must be ordered in multiples of 5 16-20353  
16-20353OEM Part 16-20353 - Stud - Priced Individually (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
4 in stock. Explain stock levels
#6 22-56800 PLUG, PIPE - CYLINDER BLOCK (1 required per assembly)
PLUG Pipe (.0625- 22-56800 22-56800
22-56800OEM Part 22-56800 - Pipe Plug (more info) About Mercury Marine $18.33 $18.33 Add to shopping cart
5 in stock. Explain stock levels
#7 10-70732 SCREW, CRANKCASE TO CYLINDER BLOCK (2") (2 required per assembly)
SCREW (.250-20 x 10-70732 10-70732
10-70732OEM Part 10-70732 - Screw - Priced Individually (more info) About Mercury Marine $2.60 $2.60 Add to shopping cart
6 in stock. Explain stock levels
#8 10-28635 SCREW, CRANKCASE TO CYLINDER BLOCK (5/8") (2 required per assembly)
SCREW (.250-20 x 10-28635 10-28635
10-28635OEM Part 10-28635 - Screw - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#9 10-28667 SCREW, CRANKCASE TO CYLINDER BLOCK (1") (2 required per assembly)
SCREW (.250-20 x 10-28667 10-28667
10-28667OEM Part 10-28667 - Screw - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
#10 68953A 1 LINER ASSEMBLY, CYLINDER BLOCK (1 required per assembly)
LINER ASSY        O NLA  
68953A 1 LINER ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#12 29-71840 NEEDLE BEARING, CENTER MAIN (25 required per assembly)
NEEDLE BRG,NLA 29-71840 29-71840
29-71840OEM Part 29-71840 - Needle Bearing - Priced Individually, NLA (more info) About Mercury Marine $1.35 $1.35 Add to shopping cart
10+ in stock. Explain stock levels
#13 77178 COVER, EXHAUST MANIFOLD (1 required per assembly) SERIAL #9210545 AND BELOW
COVER      ,NLA 77178  
77178OEM Part 77178 - Cover , NLA (more info) About Mercury Marine $16.50 $16.50 Add to shopping cart
10+ in stock. Explain stock levels
#14 27-74392 GASKET, EXHAUST MANIFOLD COVER (1 required per assembly) SERIAL #9210545 AND BELOW
GASKET,NLA 27-74392  
27-74392OEM Part 27-74392 - Gasket - Priced Individually (more info) About Mercury Marine $6.00 $6.00 Add to shopping cart
10+ in stock. Explain stock levels
#15 10-32228 SCREW, EXHAUST MANIFOLD COVER (5/8") (8 required per assembly) SERIAL #9210545 AND BELOW
SCREW (#10-32 x . 10-32228 10-32228
10-32228OEM Part 10-32228 - Screw - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#13 77585 COVER, EXHAUST MANIFOLD (1 required per assembly) SERIAL #9210546 AND UP
COVER,NLA 77585  
77585OEM Part 77585 - Cover, NLA (more info) About Mercury Marine $18.00 $18.00 Add to shopping cart
1 in stock. Explain stock levels
#14 27-77586 GASKET, EXHAUST MANIFOLD COVER (1 required per assembly) SERIAL #9210546 AND UP
Gasket,NLA 27-77586  
27-77586OEM Part 27-77586 - Gasket (more info) About Mercury Marine $4.50 $4.50 Add to shopping cart
7 in stock. Explain stock levels
#16 1027-5546 COVER, CYLINDER BLOCK (1 required per assembly)
COVER             O NLA  
1027-5546 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#17 27-68942 GASKET, CYLINDER BLOCK COVER (1 required per assembly)
Gasket,NLA 27-68942  
27-68942OEM Part 27-68942 - Gasket (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
#19 27-68941 GASKET, BLOCK TO BOTTOM COWL (1 required per assembly)
GASKET,NLA 27-68941 27-68941
27-68941OEM Part 27-68941 - Gasket (more info) About Mercury Marine $11.25 $11.25 Add to shopping cart
10+ in stock. Explain stock levels
#20 11-46887 NUT, POWERHEAD STUDS (6 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
#22 32-54936 HOSE, BLEED (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
#23 22-65857 FITTING ADAPTOR (1 required per assembly)
2256759 22-65857  
22-65857OEM Part 22-65857 - Fitting (more info) About Mercury Marine $4.50 $4.50 Add to shopping cart
3 in stock. Explain stock levels
FITTING Barbed 22-56759 22-56759
22-56759OEM Part 22-56759 - Fitting (more info) About Mercury Marine $8.00 $8.00 Add to shopping cart
8 in stock. Explain stock levels
#24 21-64871A 2 CHECK VALVE ASSEMBLY, CRANKCASE (1 required per assembly)
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
#25 69498 REED BLOCK (1 required per assembly)
REED BLOCK,NLA 69498  
69498OEM Part 69498 - Reed Block, NLA (more info) About Mercury Marine $46.00 $46.00 Add to shopping cart
4 in stock. Explain stock levels
#26 27-70415 GASKET, CRANKCASE TO REED BLOCK (1 required per assembly)
Gasket,NLA 27-70415  
27-70415OEM Part 27-70415 - Gasket (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
10+ in stock. Explain stock levels
#27 34-69499A 1 REED ASSEMBLY (1 required per assembly)
REED KIT,NLA 34-69499A 1 34-69499A 1
34-69499A 1OEM Part 34-69499A 1 - Reed Kit, NLA (more info) About Mercury Marine $9.50 $9.50 Add to shopping cart
4 in stock. Explain stock levels
#28 34-69500 REED STOP (2 required per assembly)
REED STOP         O NLA  
34-69500 REED STOP O NLA
(more info)
    UnavailableUnavailable Parts
#29 10-28430 SCREW, REED AND REED STOP (1/4") (6 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
#30 27-70416 GASKET, REED BLOCK TO ADAPTOR (1 required per assembly)
Gasket,NLA 27-70416  
27-70416OEM Part 27-70416 - Gasket - Priced Individually, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
#31 70420 ADAPTOR, CARBURETOR TO REED BLOCK (1 required per assembly)
ADAPTOR,NLA 70420  
70420OEM Part 70420 - Adaptor, NLA (more info) About Mercury Marine $34.00 $34.00 Add to shopping cart
2 in stock. Explain stock levels
#32 70413 BRACKET, CABLE MOUNTING (1 required per assembly) (SERIAL #9210595 AND BELOW)
BRACKET           O NLA  
70413 BRACKET O NLA
(more info)
    UnavailableUnavailable Parts
#32 79746 BRACKET, CABLE MOUNTING (1 required per assembly) (SERIAL #9210596 AND UP)
BRACKET           O NLA  
79746 BRACKET O NLA
(more info)
    UnavailableUnavailable Parts
#33 10-69022 SCREW, BRACKET TO ADAPTOR (1/2") (2 required per assembly)
SCREW (#10-32 x . 10-69022 10-69022
10-69022OEM Part 10-69022 - Screw (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#34 10-20055 SCREW, CABLE MOUNTING BRACKET (7/16") (1 required per assembly)
SCREW,NLA 10-20055  
10-20055OEM Part 10-20055 - Screw, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#35 74777 FILLER BLOCK, REED BLOCK TO CRANKCASE (1 required per assembly) (EARLY MODELS)
FILLER BLOCK      O NLA  
74777 FILLER BLOCK O NLA
(more info)
    UnavailableUnavailable Parts
#- 27-68938A75 GASKET SET ( required per assembly)
GASKET SET        O - Replaced by 27-77586A78  
27-68938A75This part has been superseded. GASKET SET O - Replaced by 27-77586A78
(more info)
    UnavailableUnavailable Parts
GASKET SET,NLA 27-77586A78  
27-77586A78OEM Part 27-77586A78 - Gasket Set (more info) About Mercury Marine $22.00 $22.00 Add to shopping cart
1 in stock. Explain stock levels