MERCURY 78985A1 Gm Thermostat Housing 78460A1

( Part Type: Thermostat Housing ), ( Country Of Origin: United States ), ( Manufacturer Part Number: 78985A1 ), ( Disclaimer: All Parts Come As Pictured. )

Review MERCURY New Oem Gm Thermostat Housing fits MERCRUISER 325 350 454

The Mercury 78985A1/78460A1 Mercruiser GM 325, 350, 454 Thermostat Housing is an essential component of your outboard marine engine's cooling system. This high-quality thermostat housing is meticulously engineered to provide efficient engine temperature regulation for your Mercury 325, 350, or 454 outboard engine.

Crafted from durable, corrosion-resistant materials, this thermostat housing is designed to withstand the harsh marine environment. Its robust construction ensures longevity, allowing you to enjoy worry-free boating experiences.

The Mercury 78985A1/78460A1 thermostat housing features a precise, OEM-style design that guarantees a perfect fit and seamless integration with your engine. It is specifically engineered for use with Mercury 325, 350, and 454 outboard engines.

The thermostat housing includes a built-in, pressure-tested gasket that ensures a leak-free installation. This gasket is designed to maintain a tight seal, preventing coolant leaks and protecting your engine from potential damage.

The thermostat housing accommodates a standard thermostat, allowing you to maintain the optimal engine temperature for optimal performance and efficient fuel consumption. The thermostat helps regulate the engine's temperature by controlling the flow of coolant, ensuring your engine operates at the right temperature for the conditions.

When it comes to installation, the Mercury 78985A1/78460A1 thermostat housing is a breeze to install. Simply remove the old housing and replace it with the new one, following the manufacturer's instructions. The included gasket makes the installation process even more straightforward, saving you time and effort.

In summary, the Mercury 78985A1/78460A1 Mercruiser GM 325, 350, 454 Thermostat Housing is a must-have upgrade for your marine engine. Its durable construction, precise fit, and ease of installation make it an excellent choice for boat owners looking to maintain their engine's performance and longevity. With this thermostat housing, you can confidently take on the water with peace of mind, knowing that your engine is running at its best.

Mercury 78985A1/78460A1 Mercruiser GM 325 350 454 Thermostat Housing: A Comprehensive Analysis

The Mercury 78985A1/78460A1 Mercruiser GM 325 350 454 Thermostat Housing is a crucial component in the cooling system of Mercury outboard engines. This analysis aims to provide an in-depth understanding of the product's features, advantages, and potential drawbacks to help you make an informed purchasing decision.

1. Engine Compatibility: This thermostat housing is designed for Mercury outboard engines with GM 325, 350, and 454 models.

2. Material: The housing is made of durable materials, including cast aluminum, ensuring long-lasting performance.

3. Functionality: The thermostat housing regulates the engine's cooling system by controlling the flow of coolant to the engine.

1. Improved Engine Performance: By maintaining optimal engine temperature, the thermostat housing contributes to improved engine performance and efficiency.

2. Extended Engine Life: Proper cooling is essential for the longevity of an outboard engine. The thermostat housing helps ensure the engine stays cool, reducing the risk of overheating and potential damage.

1. Potential Leakage: Some users have reported issues with leakage from the thermostat housing, which may require additional sealing or replacement.

2. Cost: Compared to other aftermarket options, the Mercury OEM thermostat housing may be more expensive.

The Mercury 78985A1/78460A1 Mercruiser GM 325 350 454 Thermostat Housing is a vital part of the engine cooling system, offering improved engine performance and extended engine life. However, potential issues with leakage and a higher cost compared to aftermarket alternatives should be considered. Ultimately, the decision to purchase this OEM thermostat housing depends on your budget, preference for original equipment, and the importance of a reliable cooling system for your Mercury outboard engine.

If you value the peace of mind that comes with using original equipment and are willing to invest in a high-quality thermostat housing, the Mercury 78985A1/78460A1 Mercruiser GM 325 350 454 Thermostat Housing is a solid choice. However, if you're looking for a more cost-effective alternative, consider exploring aftermarket options from reputable manufacturers. Always ensure that the chosen thermostat housing is compatible with your specific engine model.

Details:

The product is a new OEM thermostat housing specifically designed for Mercury Mercruiser GM 325 350 454 engines. I will do my best to resolve the issue. Made by Mercury in the USA, this thermostat housing is a genuine part with manufacturer numbers 78985A1 and 78460A1.

part #: 78985a1 prices

• $125.00-$387.97

specifications vesselveep:

• for models: 325, 350, 454, Mercruiser
• for makes: Mercury
• part type: Thermostat Housing
• country of origin: United States
• manufacturer part number: 78985A1
• disclaimer: All Parts Come As Pictured.

returns vesselveep:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

offer vesselveep:

• quantity: 1
• started: April 14, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home

payments vesselveep:

• other
• credit card: Discover
• wallet: Apple-pay

seller vesselveep:

• # reviews: 306
• rating: 99.3%
• city: Riverview, Florida

shipping vesselveep:

• class: Economy, Standard
• carrier: FedEx
• type: Calculated
• service: FedEx Ground Economy, FedEx Ground / FedEx Home Delivery
• cost: $43.87
• transit: 4-10 Days

general vesselveep:

• Parts Accessories > Boat Parts > Other
• condition: New other see details

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