SIERRA 875791-6 Sterndrive Thermostat 18-3663

( Brand: Sierra ), ( Manufacturer Part Number: 875791-6 ), ( Part Type: Sterndrive Thermostat )

Review SIERRA Volvo Penta 875791 Sterndrive Thermostat New Old Stock fits MARINE

Introducing the Sierra 875791-6 Volvo Penta Marine Sterndrive Thermostat 18-3663, a crucial component for maintaining optimal engine performance and temperature in marine applications. This thermostat, designed specifically for Volvo Penta marine sterndrives, ensures efficient cooling and reliable operation.

The 875791-6 thermostat features a high-quality, brass construction that is built to withstand the rigors of marine environments. Its compact design allows for easy installation and integration into your marine engine system. The thermostat operates using a temperature-sensitive element, which opens and closes the internal valve to regulate coolant flow between the engine and the heat exchanger based on the engine temperature.

This Volvo Penta marine thermostat is engineered to provide excellent temperature control, ensuring your engine stays at the ideal operating temperature for efficient performance and reduced wear. The thermostat's temperature range is designed to cover the normal operating temperatures of marine engines, allowing for precise regulation of coolant flow.

The 875791-6 thermostat is part of the Volvo Penta 18-3600 series, making it a perfect replacement for OEM parts or an upgrade for older systems. The thermostat's high-quality design and materials ensure long-lasting performance, providing peace of mind for boat owners who demand reliability and durability from their marine components.

In summary, the Sierra 875791-6 Volvo Penta Marine Sterndrive Thermostat 18-3663 is a vital component for maintaining the cooling system and overall performance of your marine engine. Its high-quality brass construction, temperature-sensitive element, and precise temperature control make it an essential upgrade or replacement for your Volvo Penta marine sterndrive system.

Pros and Cons of Buying Volvo Penta 875791-6 Marine Sterndrive Thermostat 18-3663

The Volvo Penta 875791-6 Marine Sterndrive Thermostat 18-3663 is a crucial component in maintaining the optimal temperature of the engine cooling system in Volvo Penta marine applications. Let's explore the potential advantages and disadvantages of purchasing this thermostat.

1. Enhances engine performance: A properly functioning thermostat ensures that the engine reaches its optimal operating temperature efficiently, leading to improved overall performance.

2. Longevity: A high-quality thermostat can last for a long time, reducing the need for frequent replacements.

3. Prevents engine damage: By maintaining the correct engine temperature, the thermostat helps prevent damage to the engine caused by overheating or freezing.

4. Easy installation: This thermostat is designed for easy replacement, allowing you to install it yourself or hire a professional without significant time investment.

5. OEM part: This thermostat is a genuine Volvo Penta part, ensuring a perfect fit and compatibility with your marine application.

1. Cost: Compared to aftermarket or generic alternatives, OEM parts like the Volvo Penta 875791-6 Marine Sterndrive Thermostat 18-3663 can be more expensive.

2. Availability: Due to its specific application, you might have to wait for this part to be shipped if it's not readily available in your local area.

3. Limited customization: Since it's an OEM part, there might be no options for customization or additional features.

The Volvo Penta 875791-6 Marine Sterndrive Thermostat 18-3663 is an essential investment for maintaining the optimal temperature of your marine engine. While it comes with a higher cost compared to aftermarket alternatives, its benefits include improved engine performance, longevity, prevention of engine damage, easy installation, and perfect fit as an OEM part. If you value the assurance of a high-quality, reliable, and perfectly fitting component for your Volvo Penta marine application, the Volvo Penta 875791-6 Marine Sterndrive Thermostat 18-3663 is an excellent choice.

Details:

NOS - NEVER OPENED, SIERRA BARAND PART NUMBER IS # 18-3663. VOLVO PENTA THERMOSTAT KIT # 875791-6. PRICE SHOWN IS FOR 1 THERMOSTAT KIT.

part #: 8757916 prices

• $17.48-$48.00

specifications intengster:

• for models: Marine
• for makes: Volvo, Penta
• brand: Sierra
• mpn: 875791-6
• part type: Sterndrive Thermostat

shipping intengster:

• class: Standard
• carrier: USPS
• type: Calculated
• service: USPS Ground Advantage
• transit: 3-8 Days
• cost: $8.10

payments intengster:

• wallet: Apple-pay
• other
• credit card: Diners-club

offer intengster:

• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: January 21, 2026

returns intengster:

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

seller intengster:

• rating: 100.0%
• # reviews: 2858
• city: Bakersfield, California

general intengster:

• condition: New other see details
• Boat Parts > Sterndrive Motors Components > Internal Engine Parts

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