Fel-Pro 35820 Engine Coolant Thermostat Seal

Brand Fel-Pro 35820
Fits Suzuki, Chevrolet, Isuzu, and Daewoo · 17 vehicles

Premium grade. Application-specific materials deliver dependable coolant thermostat sealing.

Engine coolant seal. Built for reliable sealing performance in cooling systems.

Cross-references MAHLE C32366, 1769985Z00 and 8904119500 for the same application. See all 3.

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Fel-Pro 35820 Thermostat Seal Overview

Fel-Pro 35820 is a premium engine coolant thermostat seal built for direct-fit sealing performance in select import applications. It is made with application-specific materials to support a reliable seal where the thermostat housing meets the cooling system, including coverage for Suzuki Forenza and Isuzu Rodeo-family vehicles.

  • Premium grade thermostat seal for cooling system service
  • Application-specific material selection for vehicle sealing accuracy
  • Supports a tight seal at the thermostat housing interface
  • Fits 2004-2008 Suzuki Forenza, N/A
  • Fits 1998-2003 Isuzu Rodeo, N/A
  • Fits 2001-2003 Isuzu Rodeo Sport, N/A
  • Fits 1998-2000 Isuzu Amigo, N/A

Detailed Fitment and Application

Fel-Pro 35820 is an engine coolant thermostat seal for cooling system repair and maintenance. Fel-Pro focuses on vehicle-specific sealing solutions, and this premium seal is engineered to match the application requirements of the thermostat housing for a dependable seal. It fits 2004-2008 Suzuki Forenza, N/A, as well as 1998-2003 Isuzu Rodeo, N/A, 2001-2003 Isuzu Rodeo Sport, N/A, and 1998-2000 Isuzu Amigo, N/A. This part number, 35820, is also referenced in cross-application listings for the same use case.

This part cross-references MAHLE C32366 for the same application.

Common Problems This Seal Addresses

  • Coolant seepage at the thermostat housing
  • Loss of sealing integrity after thermostat service
  • Leak paths caused by worn or flattened original seals
  • Cooling system maintenance on Suzuki Forenza and Isuzu Rodeo-family vehicles
  • Repeat repairs from an improper thermostat seal match

Installation Notes and Tips

Clean the sealing surfaces thoroughly before installation and inspect the thermostat housing for corrosion, pitting, or distortion. Verify the thermostat and housing are correct for the vehicle before reassembly, and follow the service procedure and torque sequence specified by the manufacturer. Confirm fitment by year, make, and model before installing Fel-Pro 35820.

Quality Assurance

Fel-Pro gaskets are known for vehicle-specific sealing materials and professional-grade fitment support. The 35820 thermostat seal is a premium-grade sealing component intended for cooling system service where accurate sealing is required.

This part fits 17 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2008SuzukiForenza2.0LL4N/A—
2007SuzukiForenza2.0LL4N/A—
2006SuzukiForenza2.0LL4N/A—
2005SuzukiForenza2.0LL4N/A—
2004SuzukiForenza2.0LL4N/A—
2003IsuzuRodeo2.2LL4N/A—
2003IsuzuRodeo Sport2.2LL4N/A—
2002IsuzuRodeo2.2LL4N/A—
2002IsuzuRodeo Sport2.2LL4N/A—
2001IsuzuRodeo2.2LL4N/A—
2001IsuzuRodeo Sport2.2LL4N/A—
2000IsuzuAmigo2.2LL4N/A—
2000IsuzuRodeo2.2LL4N/A—
1999IsuzuAmigo2.2LL4N/A—
1999IsuzuRodeo2.2LL4N/A—
1998IsuzuAmigo2.2LL4N/A—
1998IsuzuRodeo2.2LL4N/A—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
MAHLE — C323661769985Z008904119500