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Fel-Pro 71878 Engine Coolant Thermostat Case Seal
| Brand | Fel-Pro 71878 |
|---|---|
| Grade Type | Premium |
| Fits | Acura and Honda · 29 vehicles |
Premium grade. Built for demanding sealing repairs with a focus on dependable performance.
Proprietary materials. Engineered to seal imperfect mating surfaces in real-world service conditions.
Fel-Pro sealing technology for thermostat case service and cooling system repair.
Cross-references MAHLE C33315 and 193225A2A00 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Engine Coolant Thermostat Case Seal Overview
Fel-Pro 71878 is a premium engine coolant thermostat case seal built for real-world repair conditions. It is made to deliver a dependable seal on applications where mating surfaces are not perfect, helping restore cooling system integrity.
- Premium-grade thermostat case seal for cooling system service
- Engineered for imperfect sealing surfaces
- Manufactured with proprietary sealing materials
- Supports a reliable seal in demanding repair environments
Detailed Application Coverage
Fits 2013-2017 Honda Accord, N/A. Fits 2015-2019 Honda CR-V, N/A. Fits 2016-2021 Honda Civic, N/A. Fits 2025 Honda HR-V, N/A. Fits 2015-2020 Acura TLX, N/A. Fits 2016-2021 Acura ILX, N/A. This Fel-Pro 71878 seal is a direct-fit sealing component for thermostat case service on these Honda and Acura applications. This part cross-references MAHLE C33315 for the same application.
What It Helps Address
- Coolant seepage at the thermostat case
- Loss of sealing performance from uneven mating surfaces
- Cooling system leaks after thermostat housing service
- Repeat repairs caused by poor seal retention
Installation Notes and Tips
Clean the sealing surfaces thoroughly before installation and inspect the thermostat case for damage, corrosion, or distortion. Proper surface preparation is important when replacing a thermostat case seal, especially on engines with aged or imperfect mating surfaces.
Quality Assurance
Fel-Pro gaskets are developed for repair applications and use proprietary materials selected for sealing performance in demanding service conditions. Part number 71878 is a premium sealing solution for thermostat case repair.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2025 | Honda | HR-V | 2.0L | L4 | — |
| 2021 | Acura | ILX | 2.4L | L4 | — |
| 2021 | Honda | Civic | 2.0L | L4 | — |
| 2020 | Acura | ILX | 2.4L | L4 | — |
| 2020 | Acura | TLX | 2.4L | L4 | — |
| 2020 | Honda | Civic | 2.0L | L4 | — |
| 2019 | Acura | ILX | 2.4L | L4 | — |
| 2019 | Acura | TLX | 2.4L | L4 | — |
| 2019 | Honda | Civic | 2.0L | L4 | — |
| 2019 | Honda | CR-V | 2.4L | L4 | — |
| 2018 | Acura | ILX | 2.4L | L4 | — |
| 2018 | Acura | TLX | 2.4L | L4 | — |
| 2018 | Honda | Civic | 2.0L | L4 | — |
| 2018 | Honda | CR-V | 2.4L | L4 | — |
| 2017 | Acura | ILX | 2.4L | L4 | — |
| 2017 | Acura | TLX | 2.4L | L4 | — |
| 2017 | Honda | Accord | 2.4L | L4 | — |
| 2017 | Honda | Civic | 2.0L | L4 | — |
| 2017 | Honda | CR-V | 2.4L | L4 | — |
| 2016 | Acura | ILX | 2.4L | L4 | — |
| 2016 | Acura | TLX | 2.4L | L4 | — |
| 2016 | Honda | Accord | 2.4L | L4 | — |
| 2016 | Honda | Civic | 2.0L | L4 | — |
| 2016 | Honda | CR-V | 2.4L | L4 | — |
| 2015 | Acura | TLX | 2.4L | L4 | — |
| 2015 | Honda | Accord | 2.4L | L4 | — |
| 2015 | Honda | CR-V | 2.4L | L4 | — |
| 2014 | Honda | Accord | 2.4L | L4 | — |
| 2013 | Honda | Accord | 2.4L | L4 | — |
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