Air and Fuel› Fuel Pumps, Regulators and Components

RS4

Rail Pressure Regulator Valve

$91.63

SKU: 079 130 757

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The RS4 Rail Pressure Regulator Valve is a fuel pressure maintenance valve designed to replace the original relief valve on your fuel rail. It is engineered to prevent pressure drops during hard acceleration for Stage 2, Stage 3, or E85 tunes. This valve maintains rail pressure up to 136-140 Bars, compared to the original 110-120 Bars. It is a high-precision, OEM Audi part with mechanical calibration.

Fitment

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Specifications

BrandRS4
Part Number079 130 757
CategoryAir and Fuel

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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