Logo Image
Father’s Day Sale – Up to 40% Off! Shop Now >

Holley Electric Fuel Pump Repair Kit; REG DIAPH REPAIR KIT

Item TU4422
Sale
On Sale

-10% $12.59 Was $13.99

Military, Medical & First Responders $0.63 Available in XT Cash Rewards.
Confirm Eligibility
Choose options to add to cart.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program

      Product Information

      Features, Description, Q&A

      Features

      • Replacement Fuel Pressure Regulator Diaphragm Repair Kit for Holley 12-803 and 12-804 Regulators
      • Includes Diaphragm, Low and High Pressure Coil Springs
      • Diaphragm Kit Made with Durable Rubber and Steel Materials
      • Includes O-Ring and Seal for Reliable Sealing
      • Performance Grade Quality Components
      • Category: Air and Fuel Delivery
      • Component Type: Diaphragm Repair Kit
      • Part Type: Fuel Pressure Regulator Service Kit
      • Specific Fit for Holley 12-803 and 12-804 Fuel Pressure Regulators
      • Manufacturer's Limited 90-Day Warranty
      • Mounting Hardware Not Included

      Description

      Fuel Pressure Regulator Repair. The Holley Fuel Pressure Regulator Diaphragm Repair Kit is designed to restore proper fuel pressure regulation by replacing the diaphragm and associated springs in compatible fuel pressure regulators. This kit provides essential maintenance to ensure accurate fuel delivery and proper regulator function for reliable engine operation.

      Construction and Appearance. The kit contains components made from durable rubber and steel materials to ensure long-lasting performance and resistance to wear. The included coil springs are engineered for precise pressure control, while the diaphragm, O-ring, and seals deliver tight sealing and dependable operation under typical running conditions.

      Installation. Installation is straightforward and typically requires no drilling or special modifications. This repair kit is intended for use by technicians familiar with fuel system components and can be installed with standard hand tools.

      Warranty. This product includes a manufacturer's limited 90-day warranty.

      Application. Fits Holley 12-803 and 12-804 fuel pressure regulators.

      Holley 12-807

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      5.0

      Reviews of Holley Engine Products (20)

      Questions & Answers

      No questions about this product yet. Ask the First Question