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MagnaFuel Fuel Pressure Regulator Rebuild Components

A variety of MagnaFuel fuel pressure regulator rebuild components are available to maintain your unit. These parts include diaphragms, cartridges, springs, and more—designed for fitment on certain regulator styles. Each component is manufactured from high-quality materials to ensure premium value and reliable rebuild performance.

4.67 out of 5 stars ( 12 )

$22.99

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$86.99

Weldon Fuel Pressure Regulator Diaphragms

Weldon fuel pressure regulator diaphragms will ensure your Weldon regulator continues to exceed your performance expectations. These rebuild components are offered in standard fluorosilicone and PTFE diaphragm assemblies, just like the originals, to facilitate a perfect fit and leak-free operation.

5.0 out of 5 stars ( 3 )

$65.11

Quick Fuel Fuel Pressure Regulator Diaphragm Kits

Upgrade your fuel pressure regulator with Quick Fuel fuel pressure regulator diaphragm kits! These kits are designed to replace your existing diaphragm with improved material.

4.8 out of 5 stars ( 5 )

$11.46

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$38.37

Aeromotive Fuel Pressure Regulator Breathers

Aeromotive fuel pressure regulator breathers make ideal replacements (where required) for the vacuum/boost ports found on all Aeromotive bypass regulators. They're machined from quality materials and feature male threads. A sintered brass filter allows air to move into and out of the regulator cap as needed while preventing dirt and debris from entering. Aeromotive fuel pressure regulator breathers work perfectly for any application that does not require fuel pressure to be influenced by manifold pressure.

5.0 out of 5 stars ( 3 )

$9.85

JET TBI Fuel Regulator Diaphragms

JET TBI fuel regulator diaphragms are individual extra-strength replacements. They can be used with the stock regulator housing as a heavy-duty upgrade or with the JET TBI adjustable fuel pressure regulator to gain maximum efficiency. Replace leaking fuel regulator diaphragms with robust substitutes from JET.

5.0 out of 5 stars ( 1 )

$62.99

FAST Fuel Pressure Regulator Diaphragms

FAST fuel pressure regulator diaphragms are flexible, high performance, internal membranes that regulate fuel flow to the engine by separating the pressure chamber from the vacuum/reference side. They ensure consistent fuel pressure, crucial for proper injector function. Additional details: * Function: They move based on fuel pressure fluctuations, allowing a valve to open or close, returning excess fuel to the tank to maintain a steady pressure, generally at a 1:1 ratio with boost * Material: Typically constructed from specialized, durable elastomers (like nitrile or rubber) to withstand high pressure, heat, and modern corrosive fuels like ethanol * Failure symptoms: A ruptured diaphragm can cause black exhaust smoke, hard starting, poor performance, or fuel leaking into the vacuum line * Usage: They are essential for both carbureted and fuel-injected systems, particularly in performance applications requiring stable fuel delivery under boost

Not Yet Reviewed

$8.95

Redhorse Performance 7910 Series Fuel Pressure Regulator Rebuild Components

Redhorse Performance offers a variety of rebuild components for 7910 Series fuel pressure regulators—include 1/16 in. NPT breathers, cartridges, diaphragms, seals, spacers, springs, covers, fittings, and more. Each component is manufactured from factory-style materials and specifications to ensure proper fit and performance.

Not Yet Reviewed

$8.08