Fuel Pump Strainer Airtex FS158

How do I know if my fuel pump strainer is bad?

Signs include fuel pressure drops, hard starting, sputtering during acceleration, or visible fuel contamination in the tank. A clogged strainer forces the pump to work harder, reducing its lifespan and eventually triggering fuel delivery issues.

What happened to Airtex fuel pumps?

Airtex-ASC was acquired by Trico Group in January 2019, which has since expanded its automotive holdings and is transitioning to its parent brand First Brands Group. The Airtex brand continues to supply fuel delivery and water pump systems throughout the automotive industry.

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Can a fuel pump strainer be cleaned?

Fuel pump strainers can be cleaned if clogged by carefully backflushing fuel or carburetor cleaner through the nozzle, or by applying low-pressure air no higher than 10 psi to dislodge debris from the filter screen. This maintenance can extend component life when contamination is the only issue.

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Does fuel pump strainer size matter?

Yes, proper sizing reduces the workload on the fuel pump, lowering its current draw and heat generation. An oversized or undersized strainer forces the pump to work inefficiently and generate excessive heat, accelerating wear.

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What brand of fuel pump is the best?

Several brands earn strong reputations in fuel delivery systems, and the best choice depends on your vehicle's specifications and application. Airtex is a widely recognized option with solid OEM heritage, though your vehicle's recommended parts specification should guide your final selection.

How important is a fuel pump strainer?

A fuel pump strainer plays a critical protective role by filtering out contaminants like dirt, sediment, rust particles, and fuel deposits that could damage the fuel pump and fuel system. Without this filtration, the pump must work significantly harder, leading to premature wear and failure.

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