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Parts for MerCruiser Race Engine and Drive 500 EFI Circulating Water Pump & Front Cover

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 57-865615005 BELT, Serpentine (1 required per assembly)
BELT-SERP-2233 MM O - Replaced by 57-865615Q05 57-865615005
57-865615005This part has been superseded. BELT-SERP-2233 MM O - Replaced by 57-865615Q05
(more info)
    UnavailableUnavailable Parts
BELT Serpentine 57-865615Q05 57-865615Q05
57-865615Q05OEM Part 57-865615Q05 - Belt (more info) About Mercury Marine $101.90 $87.26 Add to shopping cart
Available to order:
Usually ships
within 8 days
Serpentine Belt 18-15121
18-15121OEM Match 18-15121 - Belt, 57-865615005 (more info) About Sierra Marine $102.99 $93.24 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 10-849377 SCREW, (.312-24 x .750) Stainless Steel (4 required per assembly)
SCREW (.312-24 x 10-849377 10-849377
10-849377OEM Part 10-849377 - Screw (more info) About Mercury Marine $10.80 $10.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 12-70132 WASHER, (.323 x .563 x .063) Stainless Steel (4 required per assembly)
WASHER @5         O - Replaced by 12-8M0042642  
12-70132This part has been superseded. WASHER @5 O - Replaced by 12-8M0042642
(more info)
    UnavailableUnavailable Parts
WASHER (.323 x .5 12-8M0042642 12-8M0042642
12-8M0042642OEM Part 12-8M0042642 - Washer - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
3 in stock. Explain stock levels
#4 849047T PULLEY, Blue (1 required per assembly)
PULLEY Blue 849047T 849047T
849047TOEM Part 849047T - Pulley (Blue) (more info) About Mercury Marine $218.75 $218.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 10-811574 SCREW, (.375-16 x 1.750) (4 required per assembly)
SCREW             O - Replaced by 10-805611 10-811574
10-811574This part has been superseded. SCREW O - Replaced by 10-805611
(more info)
    UnavailableUnavailable Parts
BOLT 10-805611 10-805611
10-805611OEM Part 10-805611 - Bolt (more info) About Mercury Marine $18.92 $18.92 Add to shopping cart
10 in stock. Explain stock levels
#6 811573A03 PUMP ASSEMBLY, Circulating Water (1 required per assembly)
PUMP ASSY-WATER   O - Replaced by -811573A04  
811573A03This part has been superseded. PUMP ASSY-WATER O - Replaced by -811573A04
(more info)
    UnavailableUnavailable Parts
PUMP ASSEMBLY Cir 811573A04 811573A04
811573A04OEM Part 811573A04 - Water Pump Assembly (more info) About Mercury Marine $424.17 $424.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 27-49110 GASKET, Circulating Water Pump Mount (2 required per assembly)
GASKET Circulatin 27-49110 27-49110
27-49110OEM Part 27-49110 - Gasket (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
8 in stock. Explain stock levels
Gasket (2/pkg) 18-0903
18-0903OEM Match 18-0903 - Gasket, 27-49110 (more info)
Replaces OEM #3853361
About Sierra Marine $2.99 $1.76 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 22-61162 PLUG (.500) Circulating Pump (1 required per assembly)
PLUG              O - Replaced by 22-845174  
22-61162This part has been superseded. PLUG O - Replaced by 22-845174
(more info)
    UnavailableUnavailable Parts
PLUG (.500-14 x . 22-845174  
22-845174OEM Part 22-845174 - Plug (more info) About Mercury Marine $5.80 $5.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 27-818188 1 GASKET (2 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-818188  1 27-818188 1
27-818188 1OEM Part 27-818188 1 - Gasket - Priced Individually (more info) About Mercury Marine $63.98 $63.98 Add to shopping cart
2 in stock. Explain stock levels
Intake Gasket 18-1231
18-1231OEM Match 18-1231 - Gasket Set, 27-818188 1, 385 (more info)
Replaces OEM #3854095
About Sierra Marine $94.49 $76.13 Add to shopping cart
2 in stock. Explain stock levels
#10 816073 SHIELD, Oil Intake, Heat (1 required per assembly)
SHIELD            O - Replaced by -845756  
816073This part has been superseded. SHIELD O - Replaced by -845756
(more info)
    UnavailableUnavailable Parts
845756T 845756  
845756OEM Part 845756 - Shield (more info) About Mercury Marine $52.24 $52.24 Add to shopping cart
4 in stock. Explain stock levels
SHEILD Oil Intake 845756T  
845756TOEM Part 845756T - Shield (more info) About Mercury Marine $88.25 $88.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 807211 VALVE, Relief, Oil By Pass (30 PSI) (1 required per assembly)
VALVE Relief 807211 807211
807211OEM Part 807211 - Relief Valve (more info) About Mercury Marine $18.25 $18.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 27-850456 GASKET, Front Cover Mount (1 required per assembly)
GASKET Front Cove 27-850456 27-850456
27-850456OEM Part 27-850456 - Gasket (more info) About Mercury Marine $17.92 $17.92 Add to shopping cart
2 in stock. Explain stock levels
#13 850459 COVER ASSEMBLY, Front (1 required per assembly)
COVER ASSY-TIMING O - Replaced by -845610T  
850459This part has been superseded. COVER ASSY-TIMING O - Replaced by -845610T
(more info)
    UnavailableUnavailable Parts
COVER ASSEMBLY Cy 845610T 845610T
845610TOEM Part 845610T - Timing Cover Assembly (more info) About Mercury Marine $291.67 $291.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 26-821947 1 SEAL, Oil (1 required per assembly)
SEAL 26-821947  1 26-821947  1
26-821947 1OEM Part 26-821947 1 - Seal (more info) About Mercury Marine $32.30 $27.66 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 10-F2030 SCREW, (.250-20 x 1.250) Stainless Steel (6 required per assembly)
SCREW (.250-20 x 10-F2030 10-F2030
10-F2030OEM Part 10-F2030 - Screw -ss (more info) About Mercury Marine $2.30 $2.30 Add to shopping cart
10+ in stock. Explain stock levels
#16 850461 BALANCER (1 required per assembly)
BALANCER          O - Replaced by -850461001  
850461This part has been superseded. BALANCER O - Replaced by -850461001
(more info)
    UnavailableUnavailable Parts
ORD 8M0082186     O NLA 850461001
850461001 ORD 8M0082186 O NLA
(more info)
    UnavailableUnavailable Parts
BALANCER 8M0082186  
8M0082186OEM Part 8M0082186 - Balancer (more info) About Mercury Marine $908.71 $908.71 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 849044T PULLEY, Blue (1 required per assembly)
PULLEY Blue 849044T 849044T
849044TOEM Part 849044T - Pulley (Blue) (more info) About Mercury Marine $262.50 $262.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 12-856774 WASHER, (.406 x .750 x .105) Stainless Steel (3 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
#19 10-86517 SCREW, (.375-16 x 1.250) (3 required per assembly)
SCREW (.375-16 x 10-86517 10-86517
10-86517OEM Part 10-86517 - Screw (more info) About Mercury Marine $4.03 $4.03 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-842129A 1 GASKET/SEAL SET, Engine Overhaul (1 required per assembly)
GASKET/SEAL SET E 27-842129A 1 27-842129A 1
27-842129A 1OEM Part 27-842129A 1 - Gasket/Seal Set (more info) About Mercury Marine $783.11 $783.11 Add to shopping cart
Available to order:
Usually ships
within 8 days