Original MANN-FILTER Fuel filter WK 842/12 X – Fuel filter set with gasket / gasket set – For Passenger Cars

MANN‑FILTER Fuel Filter WK 842/12 X

The MANN‑FILTER Fuel Filter WK 842/12 X is a premium, OEM‑grade component designed to safeguard the engine of passenger cars from contaminants that can compromise performance and longevity. This product is engineered for vehicles such as the VW Polo, Seat Arosa, Lupo, and other compact models within the Volkswagen Group family.

Key Features

• High‑Efficiency Filtration: The filter employs a multi‑layer media that captures particles down to 0.5 µm, ensuring clean fuel delivery and protecting downstream components.
• Integrated Gasket Set: Each unit comes with a complete gasket assembly, guaranteeing a leak‑free seal during installation and eliminating the need for additional parts.
• Durable Construction: Made from high‑grade polypropylene and reinforced with a metal housing, the filter resists abrasion, temperature fluctuations, and chemical exposure typical of automotive fuel systems.
• OEM Compatibility: Designed to match the exact specifications of original equipment manufacturers (OEM), providing seamless fitment for models such as VW Polo 1.2‑1.9 TDI SDI, Seat Arosa 1.4 L, and Lupo 3 L.
• Easy Installation: The filter’s standardized dimensions (6N0127401F/G/H) allow for quick replacement without special tools or modifications.

Technical Specifications

Installation Guide

1. Safety First: Disconnect the vehicle’s battery and ensure the fuel system is depressurized before starting.
2. Remove Old Filter: Locate the existing fuel filter (usually behind the engine or under the hood). Carefully detach the hose connections, noting their orientation for reassembly.
3. Install Gasket: Place the supplied gasket onto the new filter housing, aligning it with the mounting flange.
4. Mount Filter: Secure the filter in place, tightening the clamp or bolt to the manufacturer’s torque specification (typically 12 Nm).
5. Reconnect Hoses: Attach the fuel lines, ensuring a snug fit and no cross‑connection.
6. Check for Leaks: Reconnect the battery, start the engine, and inspect all connections for any signs of leakage.

Benefits to Vehicle Performance

• Engine Protection: By filtering out dirt, rust, and other contaminants, the filter preserves fuel injectors, pumps, and combustion chambers from wear.
• Fuel Efficiency: Clean fuel flow reduces resistance in the system, allowing the engine to operate at optimal efficiency and potentially improving mileage.
• Reduced Maintenance Costs: A reliable filter extends the lifespan of critical components, lowering long‑term repair expenses.
• Consistent Power Delivery: With a stable fuel supply, throttle response remains sharp, enhancing driving dynamics.

Compatibility Overview

The WK 842/12 X filter is specifically engineered for the following vehicle families and engine types:

• Volkswagen Group: Polo (1.2‑1.9 TDI SDI), Seat Arosa (1.4 L), Lupo (3 L), and related models.
• Engine Types: Diesel and gasoline engines with fuel systems that match the standard VW/Seat filter dimensions.

Quality Assurance

MANN‑FILTER is a globally recognized brand known for rigorous testing protocols. Each WK 842/12 X unit undergoes:

• High‑temperature endurance tests to simulate extreme operating conditions.
• Pressure drop measurements to ensure minimal impact on fuel flow.
• Contaminant retention trials using standardized particulate media.

Conclusion

The MANN‑FILTER Fuel Filter WK 842/12 X delivers uncompromised protection for passenger car engines, combining advanced filtration technology with a user‑friendly gasket set. Its OEM compatibility and proven durability make it the preferred choice for vehicle owners seeking to maintain optimal performance and extend engine life.