autoexact Fuel Pump Assembly for 1988–1995 Chevy & GMC Trucks 4.3–7.4L — Sending Unit & Multi-Layer Filter

AutoExact fuel pump assembly is a direct-fit replacement for select 1988–1995 Chevrolet Silverado and GMC C/K trucks that restores consistent fuel delivery and includes an integrated sending unit and multi-layer filter.

If your classic Chevy or GMC truck is showing symptoms of low fuel pressure—hard starts, hesitation under load, or uneven idle—this AutoExact assembly is built to replace the original OE module without cutting or complex wiring. It fits many 1988–1995 Silverado and C/K models with compatible part numbers and uses factory-style mounting points and connectors for straightforward installation. The unit includes a sending unit and layered filtration to protect the pump and downstream fuel components.

How will this pump improve drivability on my truck?

Replacing a worn or failing fuel pump assembly can restore the stable fuel pressure required for smooth starts and steady acceleration. This AutoExact unit is engineered to supply consistent flow, reducing stalling, hesitation, and rough idling that often come from weak pumps.

• Supports stable fuel pressure for improved throttle response
• Integrated sending unit returns accurate fuel-level readings
• Reduces symptoms like hard starts and mid-load hesitation

Will installation require modifications or special wiring?

The assembly is designed as a direct replacement using factory-style mounting points and connector types found on compatible 1988–1995 Chevy and GMC trucks. Most installations require no cutting, splicing, or major electrical changes when matched to the original connector and part number.

• Direct-fit design aligns with factory mounting locations
• Factory-style electrical connector reduces modification need
• Compare OE numbers and connector type before ordering

What filtration and protection features does this unit provide?

This fuel pump assembly includes a multi-layer filtration system that traps rust, dirt, and other contaminants before they reach the pump core and injectors. Cleaner fuel flow helps reduce clogging and wear on fuel-system components, supporting longer service life and more reliable operation.

• Multi-layer filter captures particulates and rust
• Protects pump core and fuel injectors from contaminants
• Designed for stable operation across common driving conditions

How does it perform when the tank is low or the vehicle is under load?

The assembly features an optimized reservoir and pickup design that helps maintain fuel supply even at lower tank levels or during steep climbs and rough-road maneuvers. This reduces the risk of fuel starvation and intermittent power loss under heavy load or dynamic driving situations.

• Reservoir design sustains pickup during low fuel conditions
• Improved supply stability for towing or heavy-load driving
• Durable internal components intended for pickup truck use

Who is this for: This AutoExact fuel pump assembly is intended for owners and technicians working on 1988–1995 Chevrolet Silverado and GMC C/K trucks who need a reliable, direct-replacement module with an integrated sending unit and improved filtration. It's especially useful for vehicles showing low-pressure symptoms or inaccurate fuel-level readings, and for anyone seeking a tested unit that replaces OE numbers like P80000S and E3621S. Always verify fitment against your original part number and connector type before purchase.

Shipping note: Each assembly is tested for fuel flow, seal integrity, and electrical performance and is backed by a 1-year limited warranty. For best results, confirm vehicle compatibility and inspect connections during installation.