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10.97 EUR
10.97 EUR
febi bilstein 12191 Thermostat with o-ring, pack of one
Thermostat with o-ring for cooling system, compatible part number 12191, single unit package.
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Product Overview
The Febi Bilstein 12191 Thermostat with O‑Ring is a precision cooling system component designed for high‑performance engines. It features an integrated O‑ring seal, ensuring leak‑free operation and reliable temperature regulation in demanding automotive applications.
Key Technical Specifications
- Model Number: 12191
- Opening Temperature: 92 °C (198 °F)
- Compatible Vehicles: BMW 3‑Series, 5‑Series, 7‑Series, Z3, Land Rover Defender, and many other models from the early 1990s to late 2000s.
- Material: High‑grade alloy with corrosion‑resistant coating for extended service life.
- Seal Type: Integrated O‑ring for a secure, maintenance‑free fit.
Design and Functionality
The thermostat regulates engine coolant flow by opening at the specified temperature. When the engine reaches 92 °C, the valve opens, allowing coolant to circulate through the radiator and maintain optimal operating conditions. The O‑ring seal prevents coolant leakage, preserving system pressure and ensuring consistent thermal performance.
Installation Highlights
- Exact Fit: Engine‑specific design matches OEM dimensions for a seamless replacement.
- No Additional Gaskets Needed: The built‑in O‑ring eliminates the need for separate gaskets, simplifying installation.
- Tool Requirements: Standard automotive tools; no special equipment required.
Performance Benefits
- Consistent Engine Temperature: Maintains optimal heat levels, reducing wear and improving fuel efficiency.
- Reliability: Proven durability in high‑stress environments typical of performance vehicles.
- Longevity: Corrosion‑resistant construction extends service life beyond many aftermarket alternatives.
Compatibility Matrix
| Vehicle Series | Engine Types Covered |
|---|---|
| BMW 3‑Series (E36, E46) | M52B25, M50B25, M52B28, M50B20 |
| BMW 5‑Series (E39, E60) | M54B30, M54B35, M54B40 |
| BMW 7‑Series (E38, E65) | M57, M62 |
| Z3 | M52B25, M50B25 |
| Land Rover Defender (1990‑2006) | 4.2L V8, 5.0L V8 |
Quality Assurance
The Febi Bilstein 12191 Thermostat is manufactured under strict quality controls to meet OEM specifications. Each unit undergoes rigorous testing for pressure integrity, temperature accuracy, and material resilience.
Maintenance Tips
- Check coolant level regularly; the thermostat’s seal ensures minimal loss.
- Inspect for any signs of corrosion or wear on the housing before replacement.
- Use a compatible coolant that meets manufacturer recommendations to avoid thermal shock.
Conclusion
The Febi Bilstein 12191 Thermostat with O‑Ring delivers reliable, long‑lasting temperature control for a wide range of high‑performance engines. Its precise engineering, integrated seal, and proven durability make it the preferred choice for enthusiasts and technicians seeking OEM quality without compromise.
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| Tags | Thermostat Thermostat coolant Coolant thermostat Thermostat o-ring Thermostat pack one Thermostat bmw series Thermostat bmw 3 series Thermostat bmw 5 series Thermostat bmw 7 series Thermostat z3 Thermostat fits bmw Thermostat fits 3 Series Thermostat fits 5 Series Thermostat fits 7 Series Thermostat fits z3 Thermostat coolant pack Thermostat o-ring pack Thermostat coolant one Thermostat febi bilstein Thermostat 12191 Thermostat febi 12191 Thermostat bilstein 12191 Thermostat febi coolant Thermostat bilstein coolant Thermostat febi o-ring Thermostat bilstein o-ring Thermostat febi pack one Thermostat bilstein pack one Thermostat o‑ring Thermostat pack Thermostat bilstein Coolant thermostat 12191 Thermostat o‑ring 12191 Thermostat pack of one Thermostat fits bmw 3 series Thermostat fits bmw 5 series Thermostat fits bmw 7 series Thermostat febi Thermostat fits bmw 7 series z3 |
| Identifiers | |
| Brand |  Febi Bilstein is a German automotive parts manufacturer that produces a wide range of parts, including brake pads, shocks, and struts. The company has a long history of producing high-quality parts and has a reputation for providing excellent customer service. |
| Model | febi bilstein 12191 |
| MPN | febi bilstein 12191 |
| ID | 3153221 |
| Dimensions / Weight | |
| Key Features | |
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