551004 GASKET - THERMOSTAT HSG

18% Off
CHEVROLET THERMOSTAT HOUSING GASKET 4.3, 5.0, 5.7, 454, 502
CHEVROLET THERMOSTAT HOUSING GASKET 4.3, 5.0, 5.7, 454, 502
CHEVROLET THERMOSTAT HOUSING GASKET 4.3, 5.0, 5.7, 454, 502

551004 GASKET - THERMOSTAT HSG

Indmar Marine Thermostat Housing Gasket | Part #551004 A small part that does a critical job — this genuine Indmar thermostat housing gasket seals the thermostat housing to the engine block, preventing coolant leaks at one of the most heat-stressed joints in the cooling system. Always replace this gasket any time the thermostat housing is removed — never reuse an old gasket. Compatible with: Indmar marine engines
Manufacturer : Indmar
SKU : 551004
Availability : In stock
Price: $11.50
$13.90
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Indmar Marine Thermostat Housing Gasket | Part #551004

A small part that does a critical job — this genuine Indmar thermostat housing gasket seals the thermostat housing to the engine block, preventing coolant leaks at one of the most heat-stressed joints in the cooling system. Always replace this gasket any time the thermostat housing is removed — never reuse an old gasket.

Compatible with: Indmar marine engines 

Signs your thermostat housing gasket needs replacing:

  • Coolant weeping or leaking around the thermostat housing
  • Visible coolant staining or residue at the housing joint
  • Overheating caused by coolant loss at the housing
  • Thermostat housing removed for any reason — always replace on reassembly

Pro tip: This gasket should always be ordered alongside your thermostat and housing

Pairs perfectly with:

  • 531067S – Thermostat Housing
  • 605034 – 1/2" Pipe Plug
  • 985006 – Thermostat Housing Gasket

Features:

  • Genuine Indmar OEM thermostat housing gasket
  • Seals thermostat housing to engine block
  • High temperature rated for cooling system service
  • Single use — always replace, never reuse
  • Direct replacement — no modifications needed

Part Number: 551004
In stock and shipped fast from Australia 🇦🇺

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