OKLPF Electric Fuel Pump Module E3609M — Direct-Fit for 2004–2007 Silverado/Sierra, Preassembled OE-Style

The OKLPF E3609M electric fuel pump is a direct-fit replacement module built to restore reliable fuel delivery for 2004–2007 Chevy Silverado and GMC Sierra trucks.

This pump module is engineered as an OE-style swap for a wide range of Silverado and Sierra 1500/2500 models and comes preassembled to simplify installation. It is manufactured with corrosion-resistant materials and factory-calibrated flow characteristics so it delivers the pressure and volume your original system expects. Whether you're troubleshooting poor starts, uneven idle, or hesitation under load, a failing pump module is a common culprit; the OKLPF E3609M is intended to meet those needs without custom modification.

Which vehicles and engines does this pump fit?

The OKLPF E3609M is designed for many Chevy and GMC trucks from 2004 to 2007. It fits both 1500 and 2500 series models across V6 and V8 engine families, including commonly used 4.3L, 4.8L, 5.3L, 6.0L, 6.6L and 8.1L engines. Check the exact model year and engine code against your VIN and the OE reference numbers below before ordering.

• Chevy Silverado 1500/1500 Classic (2004–2007) and 2500/2500 HD (2004–2006)
• GMC Sierra 1500/1500 Classic (2004–2007) and 2500/2500 HD (2004–2006)
• Compatible with both V6 4.3L and multiple V8 variants (4.8L–8.1L)
• Compare against OEM numbers like E3609M, 88965391, 19133450 before purchase

How does installation and fitment work for this module?

The module is supplied as a complete assembly so you can replace the factory unit without sourcing separate internal components. It follows OE mounting and electrical connections to minimize required modifications; many installs are plug-and-play when you match the correct application. Still, follow safe fuel-handling practices and consult a repair manual or technician if you're unsure.

• Preassembled module reduces installation time and complexity
• OE-style electrical connector and mounting flange for direct swap
• Includes internal strainer and sender mounting points where applicable
• Quick checks: verify tank access, depressurize fuel system, and confirm electrical connector pinout

What performance and reliability features should I expect?

OKLPF emphasizes consistent flow and quiet operation by using tested motors and balanced rotating parts. The design aims to restore factory acceleration response and reduce fuel-supply related drivability issues. While not a performance upgrade, it helps maintain fuel system integrity and fuel economy close to original factory levels.

• Engineered for steady pressure and consistent fuel volume
• Durable materials to resist corrosion and wear in the fuel tank environment
• Lower vibration and noise compared with worn original pumps
• Tested for reliability before shipping

Who is this for? This OKLPF E3609M fuel pump module is aimed at owners and technicians working on 2004–2007 Chevrolet Silverado and GMC Sierra trucks who need a dependable, direct-fit replacement for a failing in-tank pump. It's suitable for DIY mechanics familiar with fuel-system safety as well as professional shops that want a ready-to-install OE-style module. If your truck experiences hard starting, poor throttle response, or intermittent stalling and you've ruled out ignition and fuel-filter issues, this module is a practical replacement option to restore reliable fueling.