MAHLE GS33879 HIGH-PRESSURE OIL PUMP (HPOP) O-RING SEAL KIT FOR 2003-2004 FORD SUPERDUTY WITH 6.0L POWERSTROKE ENGINE

The GS33879 is a seal kit comprised of molded rubber O‑rings designed to reseal the high-pressure oil pump (HPOP) and associated tubes on the Ford 6.0 L Powerstroke engine.

 Vehicle Fitment

• Specifically tailored for 2003–2004 Ford 6.0 L Powerstroke engines (VIN "P")—covering Super Duty trucks (F‑250 through F‑750), Excursion, and E‑Series vans.

• Replaces Ford OEM part # 3C3Z-9G804-AA, ensuring direct fit.
  

Fitment lists include broad coverage across 2004 Powerstroke applications.

Key Features

• OEM-level design: Offers “original equipment” fit and function.
  

• High-temperature durability: Molded rubber engineered to withstand HPOP conditions.

• Complete kit: Includes three O‑rings (pump discharge tube, pump inlet, and other HPOP passages) for comprehensive resealing.
  

• 1-year limited warranty: Backed by MAHLE’s warranty program.
  

• California Prop 65 compliant: Contains required safety labeling.

The MAHLE GS33879 High-Pressure Oil Pump (HPOP) O-Ring Seal Kit is an essential upgrade for owners of 2003-2004 Ford Super Duty trucks equipped with the robust 6.0L Powerstroke engine. This meticulously crafted seal kit includes three molded rubber O-rings specifically designed to effectively reseal the high-pressure oil pump and its associated tubes. Each component of the kit has been engineered to meet OEM standards, ensuring a perfect fit and optimal performance.

This comprehensive kit includes discharge tube O-rings and a high-pressure oil pump inlet O-ring, making it a complete solution for reliable resealing. The molded rubber material provides outstanding durability, capable of withstanding the high-temperature conditions typically encountered in HPOP environments, thus ensuring long-lasting functionality.

Designed to replace Ford OEM part # 3C3Z-9G804-AA, the MAHLE GS33879 guarantees compatibility with a wide range of 2003-2004 Powerstroke applications, covering not only Super Duty trucks from F-250 through F-750 but also Excursion models and E-Series vans.

Backed by MAHLE’s 1-year limited warranty, this kit emphasizes reliability and quality, giving users peace of mind with their purchase. Additionally, the product complies with California Prop 65 regulations, ensuring that it meets safety labeling requirements, reaffirming its commitment to consumer safety.

For anyone seeking a dependable solution to high-pressure oil pump maintenance, the MAHLE GS33879 High-Pressure Oil Pump O-Ring Seal Kit stands out as the ideal choice, delivering powerful, OEM-level performance tailored specifically for the 6.0L Powerstroke engine. Invest in this quality seal kit to enhance the longevity and efficiency of your vehicle’s oil pump system.