31342919 Fuel Filter

The 31342919 is a high-performance diesel fuel filter engineered for Volvo passenger cars, effectively trapping moisture, rust, and microscopic debris to protect sensitive fuel injectors and high-pressure pumps.

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Description

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31342919 Product Description

Designed specifically for Volvo passenger models, the 31342919 fuel filter features a durable composite housing with advanced multi-layer filtration media. It efficiently purifies diesel fuel, removing fine particulate matter and water contamination, preventing injector clogs, fuel pump wear, and engine hesitation for reliable vehicle performance and efficiency.

31342919 Product Specifications

Specification Parameter	Details
Filter Style	Fuel Filter Assembly
Housing Material	High-Strength PA66 GF-CF 30 Composite Construction
Inlet / Outlet Connection	Quick-Connect Fuel Line Ports with Protective Dust Caps
Drain Mechanism	Integrated Bottom Drain Plug / Sensor Port
Filtration Efficiency	High-Efficiency Micro-Filtration Media

31342919 Cross Reference

■Volvo: 31342919 / 313 429 19

31342919 Product Applications

Volvo Passenger Cars

■C30: 2007 – 2013
■C70: 2007 – 2013
■S40: 2006 – 2012
■S60 Cross Country: 2016 – 2018
■S80: 2007 – 2015 (Up to chassis number 19258)
■V40: 2013 – 2015
■V40 Cross Country: 2013 – 2015
■V50: 2006 – 2012
■V60: 2011 – 2018

Working Principle

The 31342919 fuel filter operates through a combination of mechanical barrier filtration and gravity-assisted water separation. As diesel fuel flows from the tank through the inlet port, it passes through multi-layered synthetic media designed to arrest microscopic silt, rust, and abrasive particles. Simultaneously, the hydrophobic properties of the filtration media coalesce microscopic water droplets suspended in the diesel into larger drops, forcing them to settle safely at the bottom sump. The cleansed, water-free fuel then exits through the outlet port directly to the high-pressure fuel rail, ensuring maximum combustion efficiency and extending system component lifespan.

31342919 Frequently Asked Questions (FAQ)

Q1: What are the primary symptoms of a clogged 31342919 fuel filter?

A: Common warning signs include engine hesitation during acceleration, reduced fuel economy, hard starting, rough idling, or a Check Engine Light triggered by low fuel rail pressure.

Q2: Why is timely fuel filter replacement crucial for diesel engines?

A: Modern common-rail diesel injection systems operate under extreme pressure. Unfiltered contaminants or water can cause rapid injector wear, tip erosion, pump cavitation, and costly fuel system failures.

Q3: Does the 31342919 fuel filter include integrated quick-connect ports?

A: Yes, the top housing features OEM-style quick-connect fuel line fittings that ensure a secure, leak-free connection and quick installation without specialized fuel line tools.

Q4: How often should the 31342919 fuel filter be replaced?

A: It is recommended to replace the fuel filter every 20,000 to 30,000 miles (30,000 to 50,000 km), or according to Volvo's official routine maintenance schedule.

Q5: Can water collected in the filter housing be drained?

A: Yes, the filter assembly features a bottom port/drain valve that allows accumulated water and heavy sediment to be safely purged during routine service intervals.

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