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Fuel Filter - MAHLE - KL446

Fuel Filter - MAHLE - KL446

The MAHLE KL446 Fuel Filter is a high-quality in-line filter designed for reliable performance and...

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Fuel Filter KL446 Mahle 1132631 1137026 1230645 1480561 1532171 76830806 Quality

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eBayFuel Filter KL446 Mahle 1132631 1137026 1230645 1480561 1532171 76830806 Quality
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AutodocMAHLE ORIGINAL Fuel Filter FORD,HYUNDAI,KIA KL 446 1132631,1137026,1230645 1480561,1532171,1709787,1S419155AB,1S419155AC,2042987,2T149155CA,4442434
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Product Information

Full details

The MAHLE KL446 is a high-performance in-line fuel filter designed for vehicle owners who prioritize engine longevity and fuel system reliability. It is ideal for DIY mechanics and professionals seeking a direct-fit, OE-quality replacement that effectively traps impurities before they reach the fuel injectors. While it provides excellent protection against engine damage, users must ensure they possess the necessary tools to handle fuel line disconnections safely before beginning installation.

All features

Model Part NumberKL446
BrandMAHLE

Extended Product Information

FAQs

How often should I change the MAHLE KL446 filter?

It is recommended to follow your vehicle manufacturer's service schedule, generally every 30,000 to 50,000 miles.

Does the filter have a specific flow direction?

Yes, there is an arrow on the housing indicating the direction of fuel flow. Ensure it points toward the engine.

Can I install this filter myself?

If you have basic mechanical knowledge and fuel system safety tools, yes. If you are uncomfortable working with pressurized fuel, consult a professional.

Are the inlet and outlet sizes the same?

No, this model features a 10 mm inlet and a 7.9 mm outlet for specific vehicle plumbing requirements.

What should I do with the old fuel filter?

Drain any remaining fuel into an approved container and recycle the metal housing at an automotive parts recycling center.

Troubleshooting

Engine cranks but won't start after installation

Check that the filter was installed in the correct flow direction. If correct, cycle the ignition key 3-5 times to fully prime the fuel system.

Fuel smell after installation

Ensure that the fuel line connections are fully seated and that the retaining clips or O-rings are not damaged.

Pros and Cons

Pros

  • High-quality filtration performance protects fuel injectors from clogging
  • Matches or exceeds OE standards for reliability
  • Compact and durable in-line design
  • Easy to identify fitment with standard hose dimensions

Cons

  • Requires proper safety precautions when handling pressurized fuel lines
  • Not intended for non-automotive or heavy-duty industrial applications
  • No mounting brackets included if replacing a different style filter

Setup, Compatibility & Care

To install the KL446, always ensure the engine is cool and the fuel system pressure has been relieved. Locate your fuel filter—often situated along the frame rail or near the fuel tank—and use a suitable line-disconnect tool to avoid damaging the quick-connect fittings. Always note the flow direction arrow on the side of the filter housing; installing it backward will result in significant fuel restriction or failure. Once installed, prime the system by turning the ignition to the 'on' position for a few seconds without cranking the engine to allow the pump to pressurize the line, then inspect for leaks.

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