C5/C6 2003.5-2013 Fuel Pump Kit
C5/C6 2003.5-2013 Fuel Pump Kit (RFPK-475-450E)
TU475-450 - 450LPH Fuel Pump Module, GM C5/C6 Corvette 2003 1/2-2013
- Direct-fit drop-in module for 2003 1/2 to 2013 C5 and C6 Corvettes (Excluding ZR1).
- Walbro 450LPH turbine pump with jet-pump - keeps pump submerged under low tank conditions for cornering and acceleration. Prevents motor detonation.
- E85 Compatible.
- Each module fully assembled and flow tested by Racetronix.
- Requires upgraded wiring (See Harness sections below).
- Level sender and float arm included (Unlike standard GM/Delphi replacements).
- Fuel pressure regulator built-in (as per factory).
- Includes Filter socks, Tank gasket, and Instructions.
- Supports approximately 800 flywheel HP maximum using gas. (HP varies by motor BSFC, voltage, and fuel type).
OE APPLICATION CROSS-REFERENCE:
| GM Part # | AC DELCO | DELPHI |
| 19133425 / 10339526 | M10014 / MU1251 | FG1091 |
| 19133430 / 10337590 | MU1410 / MU1361 | FG1091 |
| 19149227 / 19149689 | FG1091 | FG1091 |
| 19149687 / 19207959 | XXXXXX | XXXXXX |
FPWH-008HD - 2003.5-2013 C5/6 Fuel Pump Power Upgrade (Hotwire) Harness
New 2025 HD version
- Plug & Play (no cutting or splicing) with weatherproof factory connectors.
- Heavy 10 gauge automotive-grade copper wire.
- Heavy-duty 40 amp 630-series weatherproof relay and ATC fuse holder.
- Redundant grounds for improved voltage & reliability.
- Pump Booster Ready: Equipped with an interface connector for easy PnP addition of KB BAP or MSD boosters via optional PBIC connector.
- Includes: Silicon grease, spare fuse, wire ties, and stainless mounting hardware.
IPH-008 - C5/6 Intermediate Pump Harness
- Upgrades wiring from the driver's side wheel well to the connector on the fuel module at the top of the tank.
- Heavy 10 gauge automotive-grade copper wire.
- Weatherproof factory connectors.
- Essential for 340LPH to 450LPH+ pump upgrades.
ALTERNATOR ? FPWH-008HD (Hotwire) ? IPH-008 (Intermediate) ? FUEL MODULE
NOTE: Access to this area (dropping the tank) is required to install the IPH-008 intermediate pump harness.
Vehicle Fitment & FAQ
C5 Corvette VIN Split: This system fits 2003 1/2 C5 Corvettes with VIN # 114931 (last six digits) and up. If you are unsure, please email us your VIN before ordering.
Exclusions: This system fits all C6 Corvettes through 2013 EXCLUDING the ZR1.
Why use a Racetronix Harness?
The Racetronix harness only supplies power to the pump when the vehicle computer commands it, ensuring no parasitic load on the battery. It is waterproof, uses OE-quality interconnects, and carries a Limited Lifetime Warranty.
Returns: We cannot allow returns on any open box fuel pumps. Period.






















