HomeBelts and Cooling > Gaskets and Sealing SystemsFel-Pro 35734 Engine Coolant Thermostat Seal
Part #: 35734

Fel-Pro 35734 Engine Coolant Thermostat Seal

⚙️ 38 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda and Acura, HR-V, ILX, Civic, Fit, and EL
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Overview of Fel-Pro Engine Coolant Thermostat Seal 35734

The Fel-Pro 35734 engine coolant thermostat seal is designed for precise fitment in select Acura and Honda models. Engineered to maintain a secure seal, this premium-grade gasket ensures reliable thermostat housing performance in vehicles such as the Honda Civic, Fit, HR-V, and Acura ILX.

  • Inside diameter options: 1.760 inches (44.7 mm)
  • Thickness: 0.215 inches (5.4 mm)
  • Premium grade material for durability and heat resistance
  • Zero mounting holes for a clean, direct fit
  • Compatible with multiple Acura and Honda models

Detailed Product Description

The Fel-Pro 35734 thermostat seal is manufactured to meet strict OEM specifications, providing a reliable seal between the thermostat housing and engine coolant system. With an inside diameter of 1.760 inches (44.7 mm) and a thickness of 0.215 inches (5.4 mm), this gasket is engineered to withstand the thermal expansion and contraction typical in engine cooling systems. The premium grade material offers resistance to coolant chemicals and high temperatures, reducing the risk of leaks and ensuring consistent engine temperature regulation.

Compatible Vehicles and Applications

This engine coolant thermostat seal is compatible with various Acura and Honda vehicles, including:

  • Acura ILX
  • Honda Civic
  • Honda EL
  • Honda Fit
  • Honda HR-V

It is specifically designed to replace worn or damaged thermostat seals in these models, helping to maintain optimal engine cooling system performance.

Common Issues Addressed by Fel-Pro 35734

  • Prevents coolant leaks around the thermostat housing
  • Eliminates engine overheating caused by faulty seals
  • Reduces risk of gasket failure due to heat and pressure
  • Maintains proper thermostat function and engine temperature control
  • Prevents contamination of coolant system from external debris

Installation Notes and Tips

  • Ensure the thermostat housing and mating surfaces are clean and free of old gasket material
  • Verify the correct orientation of the seal before installation
  • Use appropriate torque specifications when securing the thermostat housing
  • Inspect the thermostat and housing for damage before installing the new seal
  • Replace the seal whenever the thermostat is serviced to maintain system integrity

Quality Assurance and Warranty

Fel-Pro 35734 is manufactured under stringent quality control standards to meet or exceed OEM requirements. The premium grade material and precise dimensions contribute to long-lasting performance in engine cooling systems. Fel-Pro offers a limited warranty against defects in material and workmanship, providing confidence in the durability and reliability of this thermostat seal.

This part fits 38 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2022HondaHR-V1.8LL4N/A
2021HondaHR-V1.8LL4N/A
2020HondaHR-V1.8LL4N/A
2019HondaHR-V1.8LL4N/A
2018HondaHR-V1.8LL4N/A
2017HondaHR-V1.8LL4N/A
2016HondaHR-V1.8LL4N/A
2015AcuraILX2.0LL4N/A
2015HondaCivic1.8LL4N/A
2014AcuraILX2.0LL4N/A
2014HondaCivic1.8LL4N/A
2013AcuraILX2.0LL4N/A
2013HondaCivic1.8LL4N/A
2012HondaCivic1.8LL4N/A
2011HondaCivic1.8LL4N/A
2011HondaCivic1.3LL4N/A
2010HondaCivic1.8LL4N/A
2010HondaCivic1.3LL4N/A
2009HondaCivic1.8LL4N/A
2009HondaCivic1.3LL4N/A
2008HondaCivic1.8LL4N/A
2008HondaCivic1.3LL4N/A
2008HondaFit1.5LL4N/A
2007HondaCivic1.8LL4N/A
2007HondaCivic1.3LL4N/A
2007HondaFit1.5LL4N/A
2006HondaCivic1.8LL4N/A
2006HondaCivic1.3LL4N/A
2005AcuraEL1.7LL4N/A
2005HondaCivic1.7LL4N/A
2004AcuraEL1.7LL4N/A
2004HondaCivic1.7LL4N/A
2003AcuraEL1.7LL4N/A
2003HondaCivic1.7LL4N/A
2002AcuraEL1.7LL4N/A
2002HondaCivic1.7LL4N/A
2001AcuraEL1.7LL4N/A
2001HondaCivic1.7LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

11405119305PLCA00C31848C31849WO8677

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.