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We will be closed June 27th, 2026 - July 6th, 2026. In store pickups will be unavailable during this time. A majority of orders will ship out normally but may experience a delay in handling time. if you have any questions, please use our live chat before placing an order.
Merchant Automotive 10447 Fuel Pressure Regulator Kit

Merchant Automotive 10447 Fuel Pressure Regulator Kit

by Merchant Automotive
SKU MAT-10447
$247.72 - $247.72
$247.72
$247.72 - $247.72
$247.72
Product Availability
  • Ships Directly From The Manufacturer
    Ships From Manufacturer
The Merchant Automotive 10447 Fuel Pressure Regulator Kit from GAP is a direct-fit replacement for your 2004.5-2005 GM 6.6L Duramax LLY. A common sign of a failed fuel pressure regulator is a surging idle. The turbo inlet pipe and upper radiator pipe will need to be removed for installation. This kit includes a brand new regulator along with all the gaskets and hardware needed for a proper installation.

Kit Includes:
Duramax LLY Fuel Pressure Regulator
Fuel Pressure Regulator Bolts
Upper Radiator Pipe Seal
Intake Tube Seals
EGR Tube Gasket
EGR Tube to EGR Valve Gasket
Intake Tube Gasket