Stant 27276 Engine Coolant Thermostat Seal

Honda and Acura thermostat seal replacement

The Stant Thermostat Seal, part number 27276, is an engine coolant thermostat seal built to match OE specification for a precise cooling-system seal. It is engineered for long-lasting operation in a wide range of Honda and Acura applications, including Honda Civic, Accord, CR-V, Fit, and Acura Integra models.

Stant’s Thermostat Seal line focuses on OE-style fit and dependable sealing performance for thermostat service and cooling system maintenance. Part number 27276 is a direct replacement style seal for vehicles that require a thermostat seal to maintain proper coolant control at the thermostat housing.

Key features

• Engine coolant thermostat seal for cooling system service
• Conforms to OE specification for fit and sealing dimensions
• Built for long service life in everyday driving conditions
• Fits a broad range of Honda and Acura applications
• Stant Thermostat Seal line, part number 27276

Detailed product information

This thermostat seal is used in applications where the thermostat housing requires a dedicated seal to help maintain a secure coolant path. It is listed for 1983-2018 vehicles across Honda and Acura platforms, including Fits 1984-2015 Honda Civic, N/A; Fits 1984-2002 Honda Accord, N/A; Fits 1997-2001 Honda CR-V, N/A; Fits 2007-2013 Honda Fit, N/A; and Fits 1986-2001 Acura Integra, N/A. The Stant 27276 thermostat seal is also listed for Honda Insight, CR-Z, HR-V, Odyssey, Prelude, CRX, and Acura CL, EL, and Legend applications, plus the 2004 Isuzu Axiom.

This part cross-references replacement application 25276 for the same thermostat seal use case.

Common issues this part can address

• Coolant seepage at the thermostat housing
• Seal wear found during thermostat replacement
• Loss of sealing integrity after cooling system service
• Improper thermostat housing sealing on listed Honda and Acura models
• Maintenance replacement for aging coolant seals

Installation notes and tips

Inspect the thermostat housing and mating surfaces before installation. Clean away old gasket material, coolant residue, and corrosion so the new seal can seat evenly. Replace the seal whenever the thermostat is serviced if the original seal shows hardening, flattening, or damage. Verify the application by year, make, and model before ordering, since fitment varies across Honda Civic, Accord, CR-V, Fit, and related Acura platforms.

Quality assurance

Stant states that this thermostat seal conforms to OE specification and is engineered for long-lasting operation. The product line is built for replacement use in cooling system service where accurate sealing is required.