21.69 EUR
Bosch 0 280 142 486 Miscellaneous Part
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Trodo EU
BOSCH 0 280 142 486 – Fuel Tank Breather Valve
The BOSCH 0 280 142 486 is a high‑performance fuel tank breather valve, engineered to maintain optimal pressure within the vehicle’s fuel system. It serves as an essential component in the evaporative emissions control (EVAP) circuit, ensuring that vapors are safely vented while preventing backflow of fuel or air into the tank.
Key Functionalities
- Pressure Regulation: The valve automatically balances pressure between the fuel tank and the atmosphere, allowing for smooth refueling and preventing vacuum lock during rapid acceleration.
- Vapor Management: It directs fuel vapors to the charcoal canister where they are adsorbed and later purged into the engine intake, reducing harmful emissions.
- Sealing Integrity: Constructed with durable materials that resist corrosion from gasoline and its additives, guaranteeing long‑term reliability even under extreme temperature variations.
Design & Construction
The valve features a robust metal housing combined with high‑grade elastomeric seals. Its compact form factor allows seamless integration into the existing fuel tank assembly without requiring additional space or modifications. The internal diaphragm is engineered to flex precisely, providing consistent performance across a wide range of operating pressures.
Compatibility
This component is specifically designed for a broad spectrum of vehicles from major manufacturers such as Chevrolet, Opel, and Vauxhall. It fits models including:
- Aveo, Cruze, and other Chevrolet compact cars.
- Adam, Corsa D/E, Astra J, and Meriva series from Opel.
- Corsa Mk4 and related Vauxhall variants.
Its universal fitment is achieved through standardized mounting points and connector interfaces that match the original equipment specifications (OEM). The valve’s dimensions are identical to the factory part, ensuring a perfect replacement without the need for adapters or custom tooling.
Installation Overview
- Preparation: Disconnect the vehicle battery and relieve any residual pressure in the fuel system by draining a small amount of gasoline from the tank.
- Removal: Unscrew the existing breather valve, carefully detach the vent hose, and note the orientation for reassembly.
- Installation: Mount the new BOSCH 0 280 142 486, secure it with the supplied fasteners, and reconnect the vent hose ensuring a tight seal.
- Verification: Reconnect the battery, start the engine, and observe for any abnormal pressure readings or leaks. A properly installed valve will maintain steady pressure and exhibit no vapor backflow.
Performance Benefits
- Enhanced Emission Control: By efficiently routing fuel vapors to the charcoal canister, the valve contributes to lower tailpipe emissions, helping vehicles meet stringent environmental regulations.
- Improved Fuel Economy: Maintaining optimal tank pressure reduces evaporative losses, which in turn can slightly improve overall fuel efficiency.
- Reliability Under Stress: The valve’s robust construction withstands high temperatures and aggressive fuels, ensuring consistent operation over the vehicle’s lifespan.
Maintenance Tips
Although the BOSCH 0 280 142 486 is designed for long‑term durability, periodic inspection can preempt potential issues:
- Check the vent hose for cracks or kinks that could impede vapor flow.
- Inspect the valve seals for signs of wear; replace if they appear brittle or swollen.
- Ensure the mounting area remains free from corrosion or debris that might compromise sealing integrity.
Why Choose BOSCH?
BOSCH is renowned for its commitment to quality engineering and rigorous testing protocols. The 0 280 142 486 valve embodies this reputation, offering:
- Precision manufacturing that guarantees exact fitment.
- Materials selected for chemical resistance and mechanical strength.
- A proven track record of performance across diverse automotive platforms.
Conclusion
The BOSCH 0 280 142 486 fuel tank breather valve is a critical component that ensures safe, efficient, and environmentally compliant operation of modern vehicles. Its universal compatibility, durable construction, and seamless integration make it the preferred choice for technicians and vehicle owners alike who demand reliability without compromise.
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 22.48 EUR  22.08 EUR  17.44 EUR  34.40 EUR |
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| Identifiers | |
| Brand |  Bosch is a brand of power tools and appliances. The company was founded in 1886 and produces a wide range of power tools, appliances, and accessories. Bosch tools are known for their quality and durability, and the company is a leader in innovation and design. |
| Model | Bosch 0 280 142 486 |
| MPN | Bosch 0 280 142 486 |
| ID | 6970740 |
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