8M0204651 MerCruiser Thermostat Housing O-Ring

Model

Serial Number Range(s)

175 (2 BBL.) GM 262 V-6 - 4.3L (262 CU IN) V6 GM

0B527955-0B773242

200 (2 BBL.) GM 305 V-8 - 5.0L (305 CU IN) V8 GM

0B525982-0B774444

205 (4 BBL.) GM 262 V-6 - 4.3L (262 CU IN) V6 GM

0B527955-0B775129

230 (4 BBL.) GM 305 V-8 - 5.0L (305 CU IN) V8 GM

0B525982-0B773739

230 MIE (4 BBL.) GM 305 V-8 - 5.0L (305 CU IN) V8 GM

0B522506-0B788151

260 (4 BBL.) GM 350 V-8 - 5.7L (350 CU IN) V8 GM

0B525982-0B773739

260 MIE GM 350 V-8 - 5.7L (350 CU IN) V8 GM

0B522506-0B788196

30hp EFI 3 Cylinder - 4 Stroke

1C109093-Up

340 MIE W/B/W GM 454 V-8 - 7.4L (454 CU IN) V8 GM

5889914-0B788365

35hp EFI Jet 4 Cylinder - 4 Stroke

1C453840-Up

350 MAG. (SKI) GM 350 V-8 - 5.7L (350 CU IN) V8 GM

0D505450-0K040399

350 MAG. Alpha (4 BBL.) GM 350 V-8 - 5.7L (350 CU IN) V8 GM

0B525982-0K999999

4.3L (2 BBL.) GM 262 V-6 - 4.3L (262 CU IN) V6 GM

0B773243-0D714106

4.3L (GEN II) (2 BBL.) GM 262 V-6 - 4.3L (262 CU IN) V6 GM

0D714107-0F601126

4.3LX (4 BBL.) GM 262 V-6 - 4.3L (262 CU IN) V6 GM

0B775130-0D714369

4.3LX (GEN II) (4 BBL.) GM 262 V-6 - 4.3L (262 CU IN) V6 GM

0D714370-0F601126

40hp Carb 3 Cylinder - 4 Stroke

1B227000-1B344306

40hp Carb 3 Cylinder - 4 Stroke

1C000001-Up

40hp Carb 4 Cylinder - 4 Stroke

0T178500-0T598999

40hp EFI 3 Cylinder - 4 Stroke

1B227000-1B355027

40hp EFI 3 Cylinder - 4 Stroke

1C000001-Up

40hp EFI 4 Cylinder - 4 Stroke

0T409000-1B355222

40hp EFI 4 Cylinder - 4 Stroke

1C000001-Up

40hp EFI Jet 4 Cylinder - 4 Stroke

1C051324-Up

40hp EFI SeaPro 4 Cylinder - 4 Stroke

1C453840-Up

40 Jet - 2 Stroke Carb

0T178500-Up

45 Jet - 2 Stroke Carb

0D000750-0T129554

454 MAG. Bravo GM 454 V-8 - 7.4L (454 CU IN) V8 GM

0B721206-0D805068

454 MAG. Bravo (GEN. V) GM 454 V-8 - 7.4L (454 CU IN) V8 GM

0D805069-0F304999

5.0L (2 BBL.) GM 305 V-8 - 5.0L (305 CU IN) V8 GM

0B774445-0F600999

5.0L MIE (4 BBL.) GM 305 V-8 - 5.0L (305 CU IN) V8 GM

0B522506-0B788151

5.0LX (4 BBL.) GM 305 V-8 - 5.0L (305 CU IN) V8 GM

0B773740-0F600999

5.7L GM 350 V-8 - 5.7L (350 CU IN) V8 GM

0B525982-0F600999

5.7L (2 BBL.) GM 350 V-8 - 5.7L (350 CU IN) V8 GM

0F601000-0K999999

5.7L MIE GM 350 V-8 - 5.7L (350 CU IN) V8 GM

0B788197-0F024999

5.7L Competition Ski GM 350 V-8 - 5.7L (350 CU IN) V8 GM

0B514627-0F775199

5.7L MIE GM 350 V-8 - 5.7L (350 CU IN) V8 GM

0F025000-0F622099

5.7L MIE GM 350 V-8 - 5.7L (350 CU IN) V8 GM

0F622151-0F746099

5.7LX (4 BBL) GM 350 V-8 - 5.7L (350 CU IN) V8 GM

0F601000-0K999999

50 (3 Cylinder) - 2 Stroke Carb

0D000750-0G589999

50hp Carb 4 Cylinder - 4 Stroke

0T178500-0T598999

50hp EFI 4 Cylinder - 4 Stroke

0T409000-1B355222

50hp EFI 4 Cylinder - 4 Stroke

1C000001-Up

502 MAG. Bravo (GEN. V) GM 502 V-8 - 8.2L (502 CU IN) V8 GM

0D824589-0F114528

55 (3 Cylinder) - 2 Stroke Carb

0D000750-Up

60 (3 Cylinder) - 2 Stroke Carb

0D000750-Up

60 (3 Cylinder) Bigfoot - 2 Stroke Carb

0G590000-0T979999

60hp Carb 4 Cylinder - 4 Stroke

0T178500-0T598999

60hp EFI 4 Cylinder - 4 Stroke

0T409000-1B355222

60hp EFI 4 Cylinder - 4 Stroke

1C000001-Up

60hp EFI SeaPro 4 Cylinder - 4 Stroke

1C453840-Up

7.4l MIE W/B/W GM 454 V-8 - 7.4L (454 CU IN) V8 GM

0B788366-0D715493

7.4L Bravo GM 454 V-8 - 7.4L (454 CU IN) V8 GM

0B771113-0D603117

7.4L Bravo (GEN. V) GM 454 V-8 - 7.4L (454 CU IN) V8 GM

0D603118-0F800699

7.4L MIE (LH) GEN. V GM 454 V-8 - 7.4L (454 CU IN) V8 GM

0D715494-0F820141

7.4L MIE W/HURTH GM 454 V-8 - 7.4L (454 CU IN) V8 GM

0C391564-0D715493

75hp (1998) - Force

0E288000-0E344999

Formula 60 - 4 Stroke

1C104574-Up