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Fuel Filters

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971127401A
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Fuel filter.

porsche

Fits:
Porsche 971 Panamera V8 4.0L Diesel 2017>>

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971127401A
971127401A

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Product Information
Product Information
Fuel filter.

mann

Fits:
Porsche 971 Panamera V8 4.0L Diesel 2017>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

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971127401A
971127401A

The product you are viewing cross references to these numbers
DISPLAYING 1 to 2 (of 2 products)
About Fuel Filters

Fuel Filters – Essential Protection for Your Engine and Fuel System

Fuel filters are critical service components designed to remove dirt, rust, debris and contaminants from fuel before it reaches the engine. By ensuring only clean fuel passes through the fuel system, fuel filters protect injectors, fuel pumps and internal engine components from premature wear and damage.

At Design911, we supply high-quality fuel filters from trusted original equipment and OE-approved manufacturers, engineered to meet exact flow rates and filtration standards. Whether for routine servicing, preventative maintenance or performance reliability, replacing your fuel filter at the correct interval helps maintain smooth engine operation, fuel efficiency and long-term durability.

What Do Fuel Filters Do?

Fuel filters are installed within the fuel delivery system to trap harmful particles and impurities that can enter through fuel tanks, lines or during refuelling. Their key functions include:

  • Preventing dirt and debris from reaching fuel injectors
  • Protecting fuel pumps from internal wear
  • Maintaining correct fuel pressure and flow
  • Supporting clean combustion and smooth engine running

Modern fuel systems rely on precise tolerances, making effective filtration essential for performance and reliability.

Why Choose Quality Fuel Filters?

High-quality fuel filters are essential because they offer:

  • Correct filtration levels without restricting fuel flow
  • OE-spec construction and fitment accuracy
  • Durable housings and filter media for long service life
  • Reliable protection for injectors and fuel pumps

Using inferior or incorrect filters can lead to reduced performance, injector failure or fuel system damage. Choosing OE-quality fuel filters helps ensure consistent engine operation and long-term reliability.

When Should You Replace a Fuel Filter?

Fuel filters should be replaced when:

  • Following manufacturer-recommended service intervals
  • Experiencing rough running, hesitation or reduced performance
  • Replacing fuel pumps or injectors
  • Carrying out major or preventative servicing

Regular fuel filter replacement helps avoid costly fuel system repairs and ensures optimal engine efficiency.

At Design911, our fuel filters meet strict quality standards to support dependable servicing and professional workshop results.

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