Parts for MerCruiser Race Engine and Drive 525 EFI Closed Cooling System Components
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
# | 27-843073A06 | GASKET/SEAL SET, Engine Overhaul (1 required per assembly) |
#1 | 841065T01 | RESERVOIR ASSEMBLY, Coolant (1 required per assembly) |
#2 | 862863 | CAP, Coolant Reservoir (1 required per assembly) |
#3 | 37-8M0006044 | DECAL, Warning - Do Not Open Hot (1 required per assembly) |
#4 | 8M0001413 | COVER, Coolant Reservoir (1 required per assembly) - Special Models |
#5 | 10-F430732 | SCREW, (.312-18 x 1.250) Stainless Steel (3 required per assembly) |
#6 | 12-817274 | WASHER, (.344 x 1.00 x .063) Stainless Steel (3 required per assembly) |
12-817274 - Washer, (.344 X 1.00 X .063) Stainless Steel [ More info ] |
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#7 | 25-855362001 | GROMMET (3 required per assembly) |
#8 | 37-843133 | DECAL, Coolant Level (1 required per assembly) |
#9 | 23-855364 | BUSHING (3 required per assembly) |
#10 | 54-815504210 | CLAMP, Worm Gear (1 required per assembly) |
#11 | 32-841207 | HOSE, Molded, Reservoir To Circular Pump (1 required per assembly) |
#12 | 54-18076 3 | CLAMP, Worm Gear (1 required per assembly) |
#13 | 54-815504406 | CLAMP, Worm Gear (2 required per assembly) |
#14 | 32-842455 | HOSE, Molded, Heat Exchanger To Reservoir (1 required per assembly) |
#15 | 22-62910 1 | FITTING, Elbow - 90 Degree (.125-27) (1 required per assembly) |
#16 | 879330T35 | EXCHANGER ASSEMBLY, Heat - Black (1 required per assembly) - NOTE: For Non Standard Paint Color - See Paint Color Chart For PPG Number |
#17 | 27-8M0036987 | GASKET (2 required per assembly) |
#18 | 25-8M0039163 | O-RING, (3/8 x 1/8) (2 required per assembly) |
#19 | 8M0036623 | END CAP, (4 Inch) (2 required per assembly) |
#20 | 10-94247 | SCREW, (.375-16 x .750) Stainless Steel (2 required per assembly) |
#21 | 10-841222 | SCREW, (.312-18 x 1.250) (2 required per assembly) |
#22 | 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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#23 | 842450 | PLATE (2 required per assembly) |
842450 - Plate Clamp [ More info ] Unavailable |
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8M0192212 - PLATE CLAMP [ More info ] Unavailable |
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#24 | 25-20295 | QUAD RING (1.725 x .210) (2 required per assembly) |
#25 | 842448 | PLATE (1 required per assembly) |
842448 - Plate [ More info ] Unavailable |
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8M0192211 - PLATE [ More info ] Unavailable |
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#26 | 25-807134 1 | SEAL, Thermostat (1 required per assembly) |
#27 | 863358T | THERMOSTAT, 71°C (160°F) (1 required per assembly) |
863358T - Thermostat, 160 Degrees, 8M0076464 [ More info ] Unavailable |
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18-43017 - Thermostat, 160 Degrees, S985009, 863358, 863358T [ More info ] |
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#28 | 25-30529 | O-RING, (1.925 x .103) (2 required per assembly) |
#29 | 12-45176 | WASHER, (.453 x .812 x .105) Stainless Steel (6 required per assembly) |
#30 | 10-825427 | SCREW, (.437-14 x 1.250) Stainless Steel (4 required per assembly) |
#31 | 10-841118 | SCREW, (.437-14 x 5.50) Stainless Steel (1 required per assembly) |
#32 | 841058T01 | CROSSOVER, Black (1 required per assembly) |
#33 | 10-841114 | SCREW, (.437-14 x 4.500) Stainless Steel (1 required per assembly) |
#34 | 22-36373 | PLUG, (.375-18) Hex - Steel (2 required per assembly) |
22-36373 - Plug [ More info ] Unavailable |
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#35 | 843155001 | FOAM STRIP (6.500 Inches) (2 required per assembly) |
#36 | 885342002 | SENSOR ASSEMBLY, Water Temperature (1 required per assembly) |
885342002 - Sensor Assembly [ More info ] Unavailable |
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#37 | 25-896699 | O-RING, (1.78 mm x .08 mm) (1 required per assembly) |
#38 | 10-841221 | SCREW, (.312-18 x 1.00) Stainless Steel (2 required per assembly) |