Indmar Thermostat Housing Gasket - OEM Engine Cooling Seal
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Premium OEM thermostat housing gasket engineered for Indmar marine engines. This precision-cut gasket creates a reliable seal between the thermostat housing and engine block, preventing coolant leaks and maintaining proper cooling system integrity.
Key Features:
- Direct OEM replacement for Indmar marine engines
- Marine-grade gasket material resists water, heat, and chemical exposure
- Precision-cut for exact fit and consistent sealing
- Prevents coolant leaks at thermostat housing interface
- Maintains proper cooling system pressure and flow
- Factory-tested for reliability and durability
- Must be replaced during thermostat service
Technical Specifications:
- SKU: 531058
- Manufacturer: Indmar
- Application: Indmar Marine Engines
- Location: Thermostat housing
- Material: Marine-grade composite gasket material
The thermostat housing gasket is an essential sealing component in your engine's cooling system. It creates a watertight seal between the thermostat housing and the engine, preventing external coolant leaks that can lead to low coolant levels and overheating. Always replace this gasket when servicing the thermostat or removing the housing - reusing compressed gaskets can result in leaks and cooling system problems. Keep spare gaskets on hand as part of your regular maintenance supplies.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.