fuel filter regulator for Gen IV LS engine on a white background
LS swap deadhead fuel system regulator filter with red and silver design on a white background
-6 AN fuel filter regulator for LS build with red caps on a white background
combined fuel filter and pressure regulator LS with optional Adapter fitting kit on a white background
fuel filter regulator for Gen IV LS engine on a white background
LS swap deadhead fuel system regulator filter with red and silver design on a white background
-6 AN fuel filter regulator for LS build with red caps on a white background
combined fuel filter and pressure regulator LS with optional Adapter fitting kit on a white background

LS Engine Fuel Filter Regulator

WIX33737

$95.99
/
Shipping calculated at checkout.

This Fuel Filter Regulator is designed specifically for Gen IV LS engines using deadhead fuel rail systems, combining filtration and fuel pressure regulation into one compact, efficient unit. By integrating both functions into a single component, it simplifies your fuel system layout while maintaining consistent fuel pressure for optimal engine performance.

Ideal for LS swaps and custom builds, this unit can be easily adapted to -6 AN fittings, making it simple to plumb into aftermarket fuel systems. Whether you're building a trail rig, rock crawler, or performance street vehicle, this filter regulator provides a clean, reliable solution for managing fuel delivery.

Included Items

  • (1) Fuel filter regulator assembly
Specifications
  • Designed for Gen IV LS engines
  • Compatible with deadhead fuel rail systems
  • Combines fuel filter and pressure regulator in one unit
  • Supports consistent fuel pressure delivery
  • Easily adaptable to -6 AN fuel lines
  • Compact, space-saving design
  • Ideal for custom fuel system setups
Fitment
  • Fits Gen IV LS engine platforms
  • Designed for deadhead-style fuel systems (non-return rail setups)
  • Common in LS swap and custom off-road applications
  • Compatible with aftermarket fuel plumbing using -6 AN fittings
  • Verify fuel system configuration before installation
Tech Insight

A deadhead fuel system regulates pressure at the rail without a return line from the engine, which simplifies plumbing but requires precise pressure control. A combined filter regulator like this keeps fuel pressure stable while also protecting injectors from contaminants.

Integrating the filter and regulator into one unit reduces the number of connections and potential leak points in your system. It also makes packaging easier—especially important in tight engine bays or tube chassis builds where space and simplicity matter.