Indmar Marine Chevrolet Thermostat Housing 1-Piece | Part #531402E
⚠️ This part is no longer available (NLA). See full replacement instructions below.
Overview – Replacement Guide:
If you're searching for the original Chevrolet 1-piece thermostat housing, this part has been discontinued. The good news is there's a proven direct replacement solution using currently available Indmar parts.
👉 Your replacement kit — order these 4 parts:
| Part Number | Description | Qty |
|---|
| 531067S | Thermostat Housing | x1 |
| 605034 | 1/2" Pipe Plug | x2 |
| 551004 | Gasket | x1 |
Installation Notes:
When fitting the replacement housing, remove the hoses connected to the elbow fittings in the intake manifold. Install the two 1/2" pipe plugs (605034) in place of those elbow fittings before fitting the new thermostat housing (531067S) and gasket (551004).
Why keep this page live?
Owners of older Malibu, Moomba, Supra, and Tige boats frequently search for this original part number. This page ensures they land on your site and get exactly the information they need — turning an obsolete part search into a multiple-part sale.
Need help or not sure if this applies to your engine?
Contact us and we'll make sure you get the right parts first time.
Part Number: 531402E (Discontinued — No Longer Available)
Proudly supplying genuine Indmar parts across Australia 🇦🇺