FASS RPFA-1003 FA Pump EM-1002 w/.625 Gear
FASS RPFA-1003 FA Pump EM-1002 w/.625 Gear
BRAND: FASS Fuel Systems | SKU: FASS RPFA-1003

FASS RPFA-1003 FA Pump EM-1002 w/.625 Gear

$422.75 $445.00 $445.00 /
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This product is in stock and ready to ship immediately. No need to call—we guarantee fast and efficient shipping straight to you.

Please read before purchasing:
  • Custom-made products take 25 WORKING DAYS MINIMUM to manufacture.
  • Custom-made products are final sale. No exemptions.
  • Custom-made products are non-refundable and non-returnable.
Custom-Made Products Policy

Terms of Sale for Custom Made‑to‑Order Products

By placing an order for any Custom Made‑to‑Order product from KLM Performance, you acknowledge, understand, and fully accept all terms and conditions listed on this page. If you do not agree with these terms, do not place an order.

1. Production Timeline & Availability

All stainless steel brake line sets and other listed items are Custom Made‑to‑Order. These products require a minimum of twenty‑eight (28) working days to manufacture.

The “In Stock” label indicates that the product is available for ordering and entry into production. It does not mean the item is pre‑built, stocked, or ready to ship.

Production times are estimates. If required components or raw materials are unavailable, additional time will be required.

2. Definition of a Custom Made Product

A Custom Made product is a new item manufactured specifically to the specifications provided by the customer. These products may require adjustments or modifications to ensure proper functionality based on the information supplied.

KLM Performance is not responsible for incorrect, incomplete, or inaccurate information provided by the customer.

3. Final Sale Policy

All Custom Made‑to‑Order products are non‑returnable, non‑refundable, and final sale.

Once a Custom Made order enters production, it cannot be canceled, modified, or refunded.

4. Production & Shipping Policies

Custom Made products require a minimum of 28 business days to manufacture.

Express shipping options (UPS or USPS Express) do not shorten production time. They only reduce transit time after the order ships.

Due to raw material constraints and workforce limitations, expedited production is not available.

USPS Priority Mail and UPS Ground are not express services.

KLM Performance is not responsible for production delays, material shortages, or carrier transit delays.

5. Ordering Requirements

All Custom Made orders must be submitted through the online order form on the KLM Performance website.

Products are built strictly to the specifications listed on the product page. These specifications are not negotiable, not debatable, and not open to interpretation.

If you do not understand the required specifications, contact KLM Performance before placing your order.

6. Customer Responsibility

KLM Performance is not responsible for incorrectly ordered Custom Made products. We do not know the exact configuration, modifications, or options on your vehicle.

If you are unsure of the specifications required, consult a qualified automotive professional before ordering.

Assistance provided by phone or email is considered a recommendation only. KLM Performance is not responsible for customer interpretation of these recommendations.

7. Shipping Address & Delivery Requirements

All Custom Made products are shipped to the billing address of the payee.

To ship to a different address, you must use PayPal, Google Pay, or Apple Pay as your payment method.

All Custom Made orders require a signature upon delivery.

8. Color Selection Policy (If Applicable)

If a Custom Made product includes color options, the color selected at checkout is the color that will be produced.

KLM Performance does not guarantee the customer’s personal interpretation of color appearance. Color choices are final and not open to debate.

9. Acceptance of Terms

By placing an order for any Custom Made‑to‑Order product, you confirm that you have read, understood, and accepted all terms and conditions listed on this page.

If you object to any part of these terms, do not place an order.

For questions regarding Custom Made products, contact KLM Performance before ordering.

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FASS RPFA-1003 FA  Adjuastable Series Fuel Pump EM-1002 w/.625 Gear

The FASS Fuel Systems RPFA-1003 FA Pump Series EM-1002 w/.625 Gear is the replacement pump and motor assembly for the FASS 150 GPH Adjustable Fuel Pumps that produce high fuel pressures.

This FASS Replacement Pump and Motor Assembly has a FASS part number of RPFA-1003, which is the FASS Adjustable Fuel Pump Series with High Pressures.


Obtain this Special Order FASS Fuel Systems RPFA-1003 EM-1002-3 with .625 Gear in just 28 days! This special order item is designed for FASS Adjustable Fuel Pumps with a flow rate of 150 gallons per hour at 45 to 65 PSI. Please be aware of this timeline before placing your order.

The FASS RPFA-1003 FA Series EM-1002 w/.625 Gear is the Replacement Pump and motor assembly required for the following FASS FA Pump Series with 150 Gallon Per Hour flow rates.

  •   Dodge Moderate to Extreme Power FA Series Adjustable Fuel Pumps
  •   Ford Moderate to Extreme Power FA Series Adjustable Fuel Pumps
  •   Chevy Moderate to Extreme Power FA Series Adjustable Fuel Pumps
  •   Any diesel engine requiring High Flow and Fuel Pressure Delivery Rates

If you have a FASS 150 GPH Adjustable Series pump failure, we have the FASS RPFA-1003 FASS Adjustable Fuel Pump Series EM-1002 w/.625 Gear available as a complete replacement pump assembly.

The FASS Replacement Pump RPFA-1003 Adjustable Fuel FA Pump Series EM-1002 w/.625 Gear consists of the following parts:

  •   New pump housing
  •   New georotor gear
  •   New electric motor.
  •   New O-Rings
  •   Installation Instructions

The FASS RPFA-1003 FA Pump Series replacement pump features:

  • It is very easy to change by just removing the fuel pump clamping bracket.
  • Simply disconnect your fuel lines.
  • Backed by the FASS Four-Year Warranty.

This FASS Fuel Systems FASS RPFA-1003 EM-1001 High Performance HPFP Replacement Fuel Pump with the .335 Gear supersedes the old part number:

  • FASS HPFP-1003
VERY IMPORTANT: Make sure to fill out your product registration form and return the original form to FASS Fuel Systems within 30 days of purchase, accompanied by a copy of the purchase receipt. Complying with these guidelines will qualify you for the Four Year Extended Warranty.
NOTE: This is a unique order item and cannot be returned for exchange or credit. Please make sure you are ordering the correct replacement adjustable fuel pump for your FASS Lift Pump! 

FASS RPFA-1003 FA Pump Series EM-1002 w/.625 Gear is MADE IN THE USA! 

  • By KLM Performance
  • Engine : Up to 600 HP
  • Flow Rate: 150 Gallons Per Hour at High Fuel Pressure
  • Item Number : FASS RPFA-1003
  • Make
  • Model :
  • Year :
  • Manufacturer Part No : FASS RPFA-1003
  • Product Application: 150 GPH High-Pressure Adjustable Fuel Pumps
  • Height: 6
  • Width : 6
  • Brand: FASS
  • FAQ :
  • Part Number : RPFA-1003
  • Manufacturer: FASS
  • Product NoteThis FASS replacement pump and motor assembly include the adjustable fuel pressure regulator to get you back on the road again.
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