Merchant Automotive

Merchant Automotive Passenger-Side Injector Return Line - 2004.5-2010 Duramax

$59.72 $57.95 SALE
Part # 400552 ● Available to order
Fitment matters. Verify your truck's year, engine and configuration before ordering. Need help? Email our fitment desk.
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Diesel focusedPowerstroke • Duramax • Cummins

Product details

Merchant Automotive Passenger-Side Injector Return Line - 2004.5-2010 Duramax

Merchant Automotive part 400552 is a passenger-side injector return-line assembly for 2004.5-2010 GM Duramax. It routes injector return fuel back into the low-pressure return circuit.

Merchant Automotive specializes in Duramax and Allison service parts, so model year, engine code, drivetrain and emissions configuration should be matched carefully before installation.

Key Features

  • Passenger-side return-line configuration
  • Application-specific fittings and routing
  • Direct service replacement
  • Designed to prevent fuel leakage in the injector return circuit

Fitment

2004.5-2010 GM Duramax

Important Installation Notes

  • Verify exact Duramax engine code, model year and drivetrain configuration before ordering.

Product Information

  • Manufacturer: Merchant Automotive
  • Manufacturer Part #: 400552
  • Product Type: Injector Return Line
  • Catalog detail: -2010 GM Duramax. Manufacturer Part #: 400552 Fuel Lines & Return component selected for Hilltop Diesel Performance. Verify exact year, model, engine, transmission, emissions configuration, and installation requirements before ordering.
How do I verify fitment?

Match the product fitment information to your exact year, make, model, engine, drivetrain and configuration. If anything is unclear, email sales@hilltopdieselperformance.com before ordering.

Where can I find shipping and return information?

Policy links are available in the site footer and checkout. Product-specific restrictions or core requirements are shown in the product description when applicable.

Merchant Automotive Passenger-Side Inject... $57.95
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