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  2. Mercury Genuine Spare Parts
  3. Engine Maintenance
  4. Outboard Maintenance
  5. 200-300 (6 Cyl) Verado 1B390143-2B144127 (Prior to Gen V)
  6. MERCURY THERMOSTAT FOR L4 L6 VERADO OUTBOARDS (8M0174561)
  7. 200-300 (6 Cyl) Verado 1B390143-2B144127 (Prior to Gen V)
Pricelist: Public Pricelist Pricelist
Pricelist: Public Pricelist Pricelist
MERCURY THERMOSTAT FOR L4 L6 VERADO OUTBOARDS (8M0174561)

MERCURY THERMOSTAT FOR L4 L6 VERADO OUTBOARDS (8M0174561)

Mercury thermostat for L4 L6 Verado outboards; thermostat housing, 140°F.

OUTBOARD 135 - 400 1.7 L4 & 2.6 L6 COMMON OUTBOARD PARTS
$ 241.50 $ 241.50

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Mercury Marine Part Number: 8M0174561

Thermostat Kit

Raises engine operating temperature for improved running and idling qualities.

THERMOSTAT ASSEMBLY

8M0174561 - Thermostat housing, 140°F. The additional seals, gaskets, clamps and attaching hardware sold separately. See your owner's manual or service manual for more information. 135-175hp L4, 200-400hp L6, and 400R L6 FourStroke outboards

135-150-175-200 (4 Cylinder) Verado 1B311420 and Above

THERMOSTAT ASSEMBLY

8M0174561 - Thermostat housing, 140°F. The additional seals, gaskets, clamps and attaching hardware sold separately. See your owner's manual or service manual for more O information

200-300 (6 Cyl) Verado 1B390143-2B144127 (Prior to Gen V)

THERMOSTAT ASSEMBLY

8M0174561 - Thermostat housing, 140°F. The additional seals, gaskets, clamps and attaching hardware sold separately. See your owner's manual or service manual for more information

200-300 (6 Cyl) Verado 2B144123 and 2B578935(gen V)

THERMOSTAT ASSEMBLY

8M0174561 - Thermostat housing, 140°F. The additional seals, gaskets, clamps and attaching hardware sold separately. See your owner's manual or service manual for more information

350-400 (6 Cyl) Verado

THERMOSTAT ASSEMBLY

8M0174561 - Thermostat housing, 140°F. The additional seals, gaskets, clamps and attaching hardware sold separately. See your owner's manual or service manual for more information



Thermostat &Housing.

GTIN: 745061633704

WEIGHT: 0.227 kg



Note: Always verify the compatibility of replacement parts with your specific engine model and serial number. For assistance, consult your Mercury Marine dealer or refer to the Mercury Parts Catalog.