8M0174561 Thermostat Housing 140° - Mercury

$193.25

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Description
Part Number: 8M0174561

Replacement thermostat housing 8M0174561 is for Mercury Verado outboards 135-200hp (4-cylinder engines serial No. 1B311420 and above), 200-300hp (6-cylinder engines serial No. 1B390143 to 2B144127, prior to Gen V), 200-300hp (6-cylinder engines serial No. 2B144123 and above, Gen V) and 350-400hp (6-cylinder engines). Includes the thermostat. The thermostat housing is made of corrosion resistant, high temperature, molded, composite material to deliver increased service life. The additional seals, gaskets, clamps and attaching hardware sold separately. Always replace all housing seals, gaskets and clamps to ensure proper cooling system function. See your owner's manual or service manual for more information.
- 140 degree Replacement thermostat housing for select 135 hp through 400 hp Mercury 4-stroke Verado outboards.
- Corrosion resistant, high temperature, molded, composite material delivers increased service life
- Housing incorporates a 90 degree bend on the outflow side and internal stainless steel thermostat.
- Housing and thermostat only. The additional seals, gaskets, clamps and attaching hardware sold separately.
- Always replace all housing seals, gaskets and clamps to assure proper cooling system function.
Fitment

Mercury Engine Fitment Guide

Model

Serial Number Range(s)

135hp EFI Verado 4 Cylinder - 4 Stroke

1B227000-2B576734

150hp EFI Verado 4 Cylinder - 4 Stroke

1B227000-2B576734

175hp EFI Verado 4 Cylinder - 4 Stroke

1B227000-2B576734

200hp Pro Verado 6 Cylinder - 4 Stroke

2B034840-2B577715

200hp Verado 4 Cylinder - 4 Stroke

1B517159-2B576734

200hp Verado 6 Cylinder - 4 Stroke

0T980000-2B578935

225hp Verado 6 Cylinder - 4 Stroke

0T980000-2B578935

250hp Pro Verado 6 Cylinder - 4 Stroke

1B830170-2B577715

250hp Verado 6 Cylinder - 4 Stroke

0T980000-2B578935

275hp Verado 6 Cylinder - 4 Stroke

0T980000-2B578935

300hp Pro Verado 6 Cylinder - 4 Stroke

1B830170-2B577715

300hp Verado 6 Cylinder - 4 Stroke

1B517434-2B578935

350hp 2.6L L6 Pro Verado - 4 Stroke

2B141124-3B342962

350hp 2.6L L6 Verado - 4 Stroke

2B141617-3B342962

400hp 2.6L L6 Verado - 4 Stroke

2B618256-3B342962

400R 2.6L L6 Racing - 4 Stroke

2B141124-3B342962