Fel-Pro 35725 Engine Coolant Thermostat Housing O-Ring

Reliable Engine Coolant Thermostat Housing O-Ring for GM Vehicles

The Fel-Pro 35725 Engine Coolant Thermostat Housing O-Ring is designed to provide a secure seal for thermostat housings in select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Engineered with premium-grade materials, this O-ring helps maintain proper coolant system integrity and prevents leaks.

• Premium grade type for enhanced durability and sealing performance
• Compatible with Buick Alero, Cadillac DTS, Chevrolet Cavalier, Oldsmobile Aurora, Pontiac Grand Am, Lucerne, and Sunfire
• Exact fit for thermostat housing applications requiring part number 35725
• Resistant to coolant and temperature fluctuations to ensure long service life
• Manufactured by Fel-Pro, a trusted name in gaskets and sealing systems

Product Details and Specifications

This engine coolant thermostat housing O-ring is crafted to meet or exceed OEM specifications, ensuring a precise fit and reliable seal. The premium grade material resists degradation from exposure to engine coolant and high temperatures, which is critical for maintaining the cooling system's efficiency. The Fel-Pro 35725 O-ring is specifically designed for use in various GM vehicles, including the Buick Alero and Lucerne, Cadillac DTS, Chevrolet Cavalier and Sunfire, Oldsmobile Aurora, and Pontiac Grand Am. Its robust construction helps prevent coolant leaks that can lead to engine overheating or damage.

Applications and Common Issues Addressed

• Seals thermostat housing to prevent coolant leaks
• Prevents engine overheating caused by coolant loss
• Eliminates coolant seepage that can damage engine components
• Maintains proper coolant system pressure and flow
• Replaces worn or damaged O-rings in thermostat housing assemblies

Installation Notes and Tips

Before installing the Fel-Pro 35725 O-ring, ensure the thermostat housing and surrounding surfaces are clean and free of debris or old gasket material. Lubricate the O-ring lightly with clean engine coolant or a compatible lubricant to ease installation and prevent damage. Carefully seat the O-ring in the thermostat housing groove, avoiding twisting or stretching. Torque the housing bolts to manufacturer specifications to ensure a proper seal without distortion.

Quality Assurance and Warranty

Fel-Pro manufactures this thermostat housing O-ring to meet stringent quality standards, providing consistent sealing performance and durability. The premium grade material selection supports long-term reliability in demanding engine environments. While specific warranty details may vary, Fel-Pro products typically come with a limited warranty against defects in material and workmanship, offering confidence in the part's quality and fitment.