540-160110 120 Degree Brass Hi-flow Marine Thermostat These hi-flow brass marine thermostats feature air relief ports. This enables relief of the steam pockets caused by cold water entering a heated engine block. Their hi-flow design helps to maintain a constant operating temperature. Don't trust your engine to anything less!
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540-160112 120 Degree Brass Hi-Flow Marine Thermostat - For 496/525 Engines
These Hi-Flow brass marine
thermostats feature air relief parts. This enables steam pockets caused by cold
water entering a heated engine block. Their hi-flow design help to maintain the
most constant temperature. Don’t trust your engine to anything less.
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540-160106 140 Degree Brass Hi-flow Marine Thermostat
These hi-flow brass marine thermostats feature air relief ports. This enables relief of the steam pockets caused by cold water entering a heated engine block. Their hi-flow design helps to maintain a constant operating temperature. Don't trust your engine to anything less!
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540-160101 160 Degree Brass Hi-flow Marine Thermostat These hi-flow brass marine thermostats feature air relief ports. Thisenables relief of the steam pockets caused by cold water entering a heatedengine block. Their hi-flow design helps to maintain a constant operatingtemperature. Don't trust your engine to anything less!
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540-160108 180 Degree Brass Hi-flow Marine Thermostat These hi-flow brass marine thermostats feature air relief ports. Thisenables relief of the steam pockets caused by cold water entering a heatedengine block. Their hi-flow design helps to maintain a constant operatingtemperature. Don't trust your engine to anything less!
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540-160200
- Fits most BBC, SBC applications
- Made from Polished 316L Stainless Steel!
- Designed for use on cold water source cooling systems.
- Keeps engine temperature between 140 & 160 degrees.
- Not recommended for supercharged or turbocharged engines, or sandy conditions.
- Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
- Housing is 4 inches long x 3-1/8" wide x 3" tall.
- Housing has four 1/2" NPT ports.
- Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
- Includes bolts and gaskets.
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540-160210
- Fits 455 Olds applications
- Made from Polished 316L Stainless Steel!
- Designed for use on cold water source cooling systems.
- Keeps engine temperature between 140 & 160 degrees.
- Not recommended for supercharged or turbocharged engines, or sandy conditions.
- Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
- Housing is 4 inches long x 3-1/8" wide x 3" tall.
- Housing has four 1/2" NPT ports.
- Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
- Includes bolts and gaskets.
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540-160465
- Fits Ford 429/460.
- Made from Polished 316L Stainless Steel!
- Designed for use on cold water source cooling systems.
- Keeps engine temperature between 140 & 160 degrees.
- Not recommended for supercharged or turbocharged engines, or sandy conditions.
- Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
- Housing is 4 inches long x 3-1/8" wide x 3" tall.
- Housing has four 1/2" NPT ports.
- Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
- Includes bolts and gaskets.
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620-04112 Small Block & Big Block Chevy Thermostat Housing/Water Outlet Gasket
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620-04113 460 Ford Thermostat Housing/Water Outlet Gasket
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740-63440 Limiting the amount of coolant flow leaving the engine lets you control the amount of heat absorbed by the coolant itself. You can adjust the flow with one of these water outlet restrictor kits. They include include three round aluminum plates with 5/8 in., 3/4 in., and 1 in. I.D. holes. Simply mount the appropriate plate under the water outlet on the intake manifold. An easy and economical temperature control solution!
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676-18-3552 Additional Details: - Temperature Rating: 160°F
- For: Fresh Water Cooling
- Fits: 470/485 models (s/n 6218036 and below)
Use With: Interchanges/ReplacesCrusaderGLMMalloryMercruiser Stern Drive
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676-18-3555 Additional Details: - Temperature Rating: 160°F
- Fits: 1998 & newer GM V-6 & V-8 engines with closed cooling
Use With: Interchanges/ReplacesGLMMalloryMercruiser Stern Drive
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676-18-3649 Additional Details: - Temperature Rating: 160°
- For: Fresh Water Cooling
- Fits: 1987 & newer GM engines with standard cooling requiring a 160° thermostat
Use With: Interchanges/ReplacesCrusaderGLMMalloryMercruiser Stern Drive- 8052732
- 8072522
- 807252T2
- 8M0091470
- 8M0109441
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676-18-3550 Additional Details: - Temperature Rating: 140°F
- Fits: MerCruiser 120/2.5L (s/n 2324347 & Up) w/cast iron exhaust manifolds
- Fits: Mercruiser 140-3.0L (s/n 0L340999 & below) and 165
Use With: Interchanges/ReplacesChrysler/Force/US Marine- F84068
- F84068-1
- F84068-2
- F85068-2
GLMMalloryMercruiser Stern Drive
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676-18-3554 Additional Details: Use With: Interchanges/ReplacesGLMMalloryOMC InboardOMC Stern Drive- 379754
- 383307
- 3852216
- 3856961
Volvo Penta
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676-18-3557 Additional Details: - Temperature Rating: 143°F (62° C)
- Fits: MCM GM in-line 6 cyl.
Use With: Interchanges/ReplacesChrysler/Force/US MarineGLMJohnson/Evinrude OutboardMalloryMercruiser Stern DriveVolvo Penta
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676-18-3676 Key Features: - For: 7.4L (1994-98), 8.2L (1998)
Additional Details: - Temperature Rating: 140° (60 C)
- Thermostat: 0986506, 3853983
Interchanges/ReplacesMalloryOMC Stern Drive- 3853983 + 312797 + 307239
Volvo Penta- 3853983 + 3852071 + 835417
List of Containing Parts | Sierra Item # | OE/Competitor # | Quantity | Description | Image | Comments | | 18-7170 | Chrysler/Force/US Marine
GLM
Johnson/Evinrude Outboard
Mallory
Mercruiser Stern Drive
Mercury Marine
OMC Stern Drive
Volvo Penta
| 1 | O-Ring |  | N/A | | 18-0398 | GLM
Mallory
Mercruiser Stern Drive
OMC Stern Drive
Volvo Penta
| 1 | Thermostat Gasket |  | N/A | | NSS | Volvo Penta
| 1 | Thermostat | No Image | N/A |
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