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Parts for MerCruiser Race Engine and Drive Scorpion 377 Sterndrive Cylinder Block & Camshaft

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 840360A 7 PARTIAL ENGINE ASSEMBLY (1 required per assembly)
PARTIAL ENG-377   O NLA  
840360A 7 PARTIAL ENG-377 O NLA
(more info)
    UnavailableUnavailable Parts
#2 22-48340 PLUG, (.250-18 x .41), Pipe (3 required per assembly)
2232561 22-48340  
22-48340OEM Part 22-48340 - Plug (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
10+ in stock. Explain stock levels
PLUG Pipe - Allen 22-32561 22-32561
22-32561OEM Part 22-32561 - Plug - Priced Individually (more info) About Mercury Marine $4.60 $4.60 Add to shopping cart
10+ in stock. Explain stock levels
#3 19-816565 PLUG, Pipe(.468) (1 required per assembly)
PLUG Cup (.468) 19-816565  
19-816565OEM Part 19-816565 - Plug (more info) About Mercury Marine $3.30 $3.30 Add to shopping cart
1 in stock. Explain stock levels
#4 53338 VALVE ASSEMBLY, Filter (1 required per assembly)
71920 53338  
53338OEM Part 53338 - Valve Assembly-Filter * (more info) About Mercury Marine $29.85 $29.85 Add to shopping cart
1 in stock. Explain stock levels
VALVE ASSEMBLY Fi 71920 71920
71920OEM Part 71920 - Oil Fill Valve Assembly (more info) About Mercury Marine $48.00 $48.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 10-54786 SCREW, (.312-18 x 1.250) (2 required per assembly)
SCREW (.312-18 x 10-54786 10-54786
10-54786OEM Part 10-54786 - Screw (more info) About Mercury Marine $2.30 $2.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 22-860088 BUSHING, Adaptor (1 required per assembly)
BUSHING 22-860088 22-860088
22-860088OEM Part 22-860088 - Bushing (more info) About Mercury Marine $7.30 $7.30 Add to shopping cart
1 in stock. Explain stock levels
#7 22-806608A 1 PLUG KIT, (.500-13) Royal Blue (2 required per assembly)
PLUG KIT @5       O - Replaced by 22-806608A02 22-806608A 1
22-806608A 1This part has been superseded. PLUG KIT @5 O - Replaced by 22-806608A02
(more info)
    UnavailableUnavailable Parts
PLUG ASSEMBLY (.5 22-806608A02 22-806608A02
22-806608A02OEM Part 22-806608A02 - Plug Assembly - Priced Individually (more info) About Mercury Marine $6.60 $6.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
DRAIN PLUG 18-4226
18-4226OEM Match 18-4226 - Drain Plug, 22-806608A1 (more info) About Sierra Marine $4.49 $2.97 Add to shopping cart
Available to order:
Usually ships
within 8 days
PLUG KIT Note: must be ordered in multiples of 2   22806608Q01 22-806608Q01
22-806608Q01OEM Part 22-806608Q01 - Plug Kit - Priced Individually (more info) About Mercury Marine $6.80 $6.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 25-32509 O-RING, (.489 x .070) (2 required per assembly)
O-RING (.489 x .0 25-32509 25-32509
25-32509OEM Part 25-32509 - O-Ring - Priced Individually (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
10+ in stock. Explain stock levels
O-Ring 18-7165-9
18-7165-9OEM Match 18-7165-9 - O-Ring (PK5) , 0304174 (more info)
Replaces OEM #0304174
About Sierra Marine $7.45 $4.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 19-34270 EXPANSION PLUG, (1.625) (8 required per assembly)
EXPANSION PLUG (1 19-34270 19-34270
19-34270OEM Part 19-34270 - Freeze Plug, 1-5/8 Inch (more info) About Mercury Marine $6.80 $6.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 17-35465 PIN, Dowel (.312), Dowel (.312) (8 required per assembly)
PIN Dowel (.312) 17-35465  
17-35465OEM Part 17-35465 - Pin -Dowel - Priced Individually (more info) About Mercury Marine $4.80 $4.80 Add to shopping cart
2 in stock. Explain stock levels
#11 10-41508 SCREW, (.250-20 x .500) (2 required per assembly)
SCREW (.250-20 x 10-41508 10-41508
10-41508OEM Part 10-41508 - Screw (more info) About Mercury Marine $2.60 $2.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 10-94247 SCREW, (.375-16 x .750) (2 required per assembly)
SCREW (.375-16 x 10-94247 10-94247
10-94247OEM Part 10-94247 - Screw - Priced Individually (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 12-856774 WASHER, (.406 x .750 x .105) Stainless Steel (2 required per assembly)
WASHER (.406 x .7 12-856774  
12-856774OEM Part 12-856774 - Washer (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
1 in stock. Explain stock levels
#14 807695T PLATE, Block Off (1 required per assembly)
PLATE-BLOCK OFF   O - Replaced by -807695  
807695TThis part has been superseded. PLATE-BLOCK OFF O - Replaced by -807695
(more info)
    UnavailableUnavailable Parts
PLATE-BLOCK OFF 807695 807695
807695OEM Part 807695 - Block Off Plate (more info) About Mercury Marine $17.50 $17.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 27-34898 GASKET (1 required per assembly)
GASKET 27-34898 27-34898
27-34898OEM Part 27-34898 - Gasket (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
1 in stock. Explain stock levels
Gasket / PACK OF 2 18-0876-9
18-0876-9OEM Match 18-0876-9 - Gasket 27-34898 2-Pack (more info)
Replaces OEM #3852113
About Sierra Marine $22.98 $16.27 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 10-34500 SCREW, (.312-18 x .625) (3 required per assembly)
SCREW (.312-18 x 10-34500  
10-34500OEM Part 10-34500 - Screw - Priced Individually (more info) About Mercury Marine $9.40 $9.40 Add to shopping cart
10+ in stock. Explain stock levels
#17 12-811664 WASHER, (.3125 Inch) (3 required per assembly)
WASHER,NLA 12-811664  
12-811664OEM Part 12-811664 - Washer, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#18 811662 RETAINER, Lifter Guide (1 required per assembly)
RETAINER 811662 811662
811662OEM Part 811662 - Retainer (more info) About Mercury Marine $31.50 $31.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 22-72640 PLUG (Rear Camshaft) (1 required per assembly)
PLUG 22-72640  
22-72640OEM Part 22-72640 - Plug (more info) About Mercury Marine $9.90 $9.90 Add to shopping cart
10+ in stock. Explain stock levels
#20 17341 GUIDE, Lifter (8 required per assembly)
17341T 17341  
17341OEM Part 17341 - Guide (more info) About Mercury Marine $6.68 $6.68 Add to shopping cart
4 in stock. Explain stock levels
GUIDE Lifter 17341T  
17341TOEM Part 17341T - Guide (more info) About Mercury Marine $17.30 $14.81 Add to shopping cart
Available to order:
Usually ships
within 8 days
#21 17340T 1 LIFTER, Roller (16 required per assembly)
LIFTER 17340T 1 17340T 1
17340T 1OEM Part 17340T 1 - Lifter (more info) About Mercury Marine $114.92 $114.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#22 431-849195 CAMSHAFT, Roller (1 required per assembly)
CAMSHAFT 431-849195 431-849195
431-849195OEM Part 431-849195 - Camshaft (more info) About Mercury Marine $1,307.68 $1,307.68 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 23-85674 BEARING SET (1 required per assembly)
BEARING SET (5) 23-85674 23-85674
23-85674OEM Part 23-85674 - Bearing Set (5) (more info) About Mercury Marine $57.42 $57.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 17161T CHAIN, Timing (1 required per assembly)
CHAIN 17161T 17161T
17161TOEM Part 17161T - Chain (more info) About Mercury Marine $101.83 $101.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 17-35312 PIN, Dowel (1 required per assembly)
PIN-DOWEL         O - Replaced by 17-843378  
17-35312This part has been superseded. PIN-DOWEL O - Replaced by 17-843378
(more info)
    UnavailableUnavailable Parts
PIN Dowel 17-843378  
17-843378OEM Part 17-843378 - Pin -Dowel (more info) About Mercury Marine $10.60 $10.60 Add to shopping cart
1 in stock. Explain stock levels
#26 43-17160 SPROCKET, Crankshaft (1 required per assembly)
SPROCKET 43-17160 43-17160
43-17160OEM Part 43-17160 - Sprocket (more info) About Mercury Marine $49.92 $49.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 43-811659 1 SPROCKET, Camshaft (1 required per assembly)
SPROCKET 43-811659  1 43-811659  1
43-811659 1OEM Part 43-811659 1 - Timing Sprocket (more info) About Mercury Marine $120.83 $120.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 12-848136 WASHER, (.328 x .680 x .190) (3 required per assembly)
WASHER (.328 x .6 12-848136  
12-848136OEM Part 12-848136 - Washer (more info) About Mercury Marine $20.42 $20.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#29 10-35339 SCREW, (.312-18 x .750) (3 required per assembly)
SCREW             O - Replaced by 10-845942  
10-35339This part has been superseded. SCREW O - Replaced by 10-845942
(more info)
    UnavailableUnavailable Parts
SCREW (.312-18 x 10-845942 10-845942
10-845942OEM Part 10-845942 - Screw (more info) About Mercury Marine $4.20 $4.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#30 811663 RETAINER, Camshaft (1 required per assembly)
RETAINER          O - Replaced by -845941  
811663This part has been superseded. RETAINER O - Replaced by -845941
(more info)
    UnavailableUnavailable Parts
RETAINER 845941 845941
845941OEM Part 845941 - Retainer (more info) About Mercury Marine $18.75 $18.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 10-17343 SCREW, (.250-20 x .500) (2 required per assembly)
SCREW             O - Replaced by 10-845943  
10-17343This part has been superseded. SCREW O - Replaced by 10-845943
(more info)
    UnavailableUnavailable Parts
SCREW (.250-20 x 10-845943 10-845943
10-845943OEM Part 10-845943 - Screw (more info) About Mercury Marine $3.60 $3.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-807670A97 GASKET/SEAL SET, Engine Overhaul (1 required per assembly)
GASKET SET 27-807670A97 27-807670A97
27-807670A97OEM Part 27-807670A97 - Gasket Set (more info) About Mercury Marine $250.00 $250.00 Add to shopping cart
3 in stock. Explain stock levels