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Air and Fuel› Fuel Pumps, Regulators and Components

Atlas Diesel

Stage 1 High Pressure Oil Pump

$579.00 $571.67 Save $7.33

SKU: 477-9603

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Special Order
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Atlas Diesel Stage 1 HPOP is a modified stock High Pressure Oil Pump designed for the 1994-2003 Ford 7.3L Powerstroke engine. This pump typically produces the flow of a fresh 17-degree stock HPOP, which is often sufficient for upgraded injectors up to 205cc. It is a direct drop-in replacement and comes with a new gasket, steel thread inserts, and new Viton o-rings to reuse existing fittings.
Show original supplier description
The Atlas Diesel Stage 1 HPOP (Part Number 477-9603) is a remanufactured and modified stock High Pressure Oil Pump engineered for 1994-2003 Ford 7.3L Powerstroke engines. This pump is designed to offer enhanced performance, typically delivering the output of a fresh 17-degree stock HPOP, making it suitable for supporting injector upgrades up to the 205cc size. Key features of this Atlas Diesel HPOP include a direct drop-in design for straightforward installation. It comes complete with a new mounting gasket, ensuring a proper seal. The pump is fitted with durable steel thread inserts for longevity and includes new Viton o-rings, allowing for the reuse of existing fittings. Each unit is flow bench tested to guarantee readiness for installation. Options are available for specific model years, including 1994-1995 models with a check valve and 1996-2003 models. A refundable core charge applies, with options to send the core before or after receiving the new unit.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandAtlas Diesel
Part Number477-9603
CategoryAir and Fuel
5,000+ Trusted brands
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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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