531402E THERMO HOUSING 1PC (No Longer Available ) SEE OVERVIEW

531402E THERMO HOUSING 1PC (No Longer Available ) SEE OVERVIEW

CHEVROLET THERMOSTAT HOUSING 1 PIECE NLA.-USE 531067S THERMOSTAT HOUSING 2EA 605034 1/2" PIPE PLUGS AND 551004 GASKET. (Remove hoses going to elbow fittings in intake. Install 1/2" pipe plugs in place of those fittings)
Manufacturer : Indmar
SKU : 531402E
Price: $500.50
$180.00
Ship to
*
*
Shipping Method
Name
Estimated Delivery
Price
No shipping options

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 NumberDescriptionQty
531067SThermostat Housingx1
6050341/2" Pipe Plugx2
551004Gasketx1

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 🇦🇺

Customers who bought this item also bought

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
18% Off
$13.90 $11.50
Indmar Marine Raw Water Pump Impeller | Part #685007 The single most important annual service part for your Indmar engine — this genuine Indmar raw water pump impeller should be replaced every season without exception. A healthy impeller means a healthy cooling system. A failed impeller means no cooling water flow and a catastrophically overheated engine in minutes. This small rubber component is without question the cheapest insurance policy you can buy for your Indmar marine engine. Compatible with: Indmar marine engines with Johnson raw water pumps fitted to Malibu, Moomba, Supra, and Tige boats. Contact us to verify fitment for your specific model year before ordering.
5% Off
$111.00 $105.70
Indmar Marine Thermostat 160° Drilled – LT1 & 5.7L Fresh Water Cooled Engines | Part #986034 Maintain optimal engine temperature with this genuine Indmar 160° drilled thermostat, designed specifically for fresh water cooled Indmar marine engines. The precision drilled bypass hole ensures smooth coolant flow and prevents air pockets from forming in the cooling system — a common cause of overheating in tow boats. Compatible with: Indmar LT1 and 5.7L fresh water cooled engines fitted to Malibu, Axis, Moomba, Supra, and Tige boats.
$115.00
Only registered users can write reviews