Parts for MerCruiser Race Engine and Drive 525 EFI Engine Components (Water Pump & Front Cover)
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
# | 841178A05 | PARTIAL ENGINE ASSEMBLY (1 required per assembly) |
841178A05 - Partial Engine Assembly [ More info ] Unavailable |
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# | 27-843073A06 | GASKET/SEAL SET, Engine Overhaul (1 required per assembly) |
#1 | 57-865615Q12 | BELT, Serpentine (2266 mm) (1 required per assembly) |
#2 | 10-849377 | SCREW, (.312-24 x .750) Stainless Steel (4 required per assembly) |
#3 | 12-70132 | WASHER, (.323 x .563 x .063) Stainless Steel (4 required per assembly) |
12-70132 - Washer, (.323 X .563 X .063 - Stainless Steel) [ More info ] Unavailable |
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#4 | 842444T | PULLEY, Circulating Water Pump - Blue (1 required per assembly) - Standard Models |
842444T - Pulley (Blue) [ More info ] Unavailable |
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#4 | 899737T | PULLEY, Circulating Water Pump - Polished/Clear Coat (1 required per assembly) - Special Models |
#5 | 811573A04 | PUMP ASSEMBLY, Circulating Water (1 required per assembly) |
#6 | 22-845174 | PLUG, (.500-14 x .610) Brass (1 required per assembly) |
#7 | 27-49110 | GASKET, Circulating Water Pump Mount (2 required per assembly) |
#8 | 22-806242 | CONNECTOR, Hose (1 required per assembly) |
#9 | 10-822168 | SCREW, (.375-16 x 1.750) Stainless Steel (1 required per assembly) |
#9 | 10-842787 | SCREW, (.375-16 x 2.00) Stainless Steel (2 required per assembly) |
#10 | 12-856774 | WASHER, (.406 x .750 x .105) Stainless Steel (3 required per assembly) |
12-856774 - Washer, (.406 X .750 X .105) Stainless Steel [ More info ] Unavailable |
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128M0214963 - WASHER Note: Priced Individually [ More info ] |
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#11 | 54-78945 | J CLAMP, Harness Support (1 required per assembly) |
#12 | 842250T02 | COVER ASSEMBLY, Cylinder Front - Black (1 required per assembly) |
#13 | 27-850456 | GASKET, Front Cover Mount (1 required per assembly) |
#14 | 26-821947 1 | SEAL, Oil (1 required per assembly) |
#15 | 10-F2030 | SCREW, (.250-20 x 1.250) Stainless Steel (6 required per assembly) |
#16 | 8M8021041 | DAMPER (1 required per assembly) |
#17 | 841957T | PULLEY, Crankshaft - Blue (1 required per assembly) - Standard Models |
841957T - Pulley -Blue [ More info ] Unavailable |
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#17 | 899898T63 | PULLEY, Crankshaft - Polished/Clear Coat (1 required per assembly) - Special Models |
899898T63 - Pulley - Clear [ More info ] Unavailable |
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#19 | 10-843147 1 | SCREW, (.375-16 x 1.750) (3 required per assembly) |
#20 | 10-845627 | SCREW, (.500-20 x 2.500) (1 required per assembly) |
#21 | 12-818780 | WASHER, (.515 x 1.970 x .275) Black Oxide (1 required per assembly) |
#22 | 864297T01 | SENSOR ASSEMBLY, Crankshaft Position (1 required per assembly) |
#23 | 25-885192 | O-RING (1 required per assembly) |
25-885192 - O-ring, Crankshaft Position Sensor [ More info ] |
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#24 | 15-8M0007824 | SHIM, Crankshaft Position Sensor (1 required per assembly) - NOTE: Use Only If Required |
#25 | 10-41508 | SCREW, (.250-20 x .500) Stainless Steel (1 required per assembly) |
#26 | 10-90192 1 | SCREW, (.250-20 x .750) Stainless Steel With Nylon Patch (1 required per assembly) |
#27 | 8M0011986 | SENSOR ASSEMBLY, Cam Position (1 required per assembly) |
#28 | NSS | NOT SOLD SEPARATE, O-Ring (1 required per assembly) |
NSS - NOT SOLD SEPARATE [ More info ] Unavailable |
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#29 | 843349 | SHIM, Cam Position Sensor (1 required per assembly) - NOTE: Use Only If Required |