Fuel Pump Module Assembly E3621S - Direct Replacement for 1988-1995

In this review the reviewer evaluates the Fuel Pump Module Assembly E3621S and who should consider it. The bottom line: this unit is for owners of late 1980s and early 1990s C/K series trucks who need an affordable, OE-standard replacement that is easy to install. The main reason to buy is the direct fitment for 1988-1995 C1500, C2500, C3500 and K1500, K2500, K3500 models, offering OE-equivalent specifications and a straightforward swap for the factory pump.

Key Features

• Fitment: Designed to fit 1988 through 1995 C1500, C2500, C3500 and K1500, K2500, K3500 trucks, so buyers with those model years get a direct replacement without major modification.
• OE Standard Replacement: Manufactured to match OE standards and to replace part numbers such as AIRTEX:E3621S, CARTER:P8000S, DELPHI:HP10000 and GM:25028611 for predictable compatibility.
• Tested Quality: Each unit is tested before shipping, providing buyers with confidence that the pump has been inspected prior to installation.
• Warranty Support: Offers a 60-day free return window and a one year free replacement warranty to reduce risk for the purchaser.
• Easy Installation: The assembly is built to resemble the original pump and is intended for straightforward installation by a mechanic or experienced DIYer.
• Value Proposition: Priced as a non-genuine replacement, it aims to deliver similar performance to the original part at a lower cost.

Who It's For

This fuel pump module is best for owners of Chevrolet and GMC C/K series trucks from 1988 to 1995 who need a like-for-like replacement without sourcing the exact original brand part. It is suitable for fleet maintenance shops, independent mechanics, and DIY enthusiasts who want a tested pump that installs easily and meets OE part references.

It is less appropriate for owners who require an original equipment manufacturer part number from the original maker, or for those who prioritize long-term durability above initial cost; some customers have reported shorter service life, so buyers seeking an extended-life, high-mileage guarantee should consider higher-end or OEM options.

Pros & Cons

Pros

• Direct fit for 1988-1995 C/K trucks, simplifying replacement and reducing installation time.
• Meets OE standard references for interchangeability with common part numbers, aiding compatibility.
• Pre-shipping testing and a one year replacement warranty offer practical purchase protection.
• Generally reported as good value for money and easy to install by many owners.

Cons

• Mixed reports on long-term durability; some users found the pump failed before a year of service.
• Not a genuine OEM unit, so finish and lifespan may vary compared with original equipment.

Specifications

Product Type	Fuel pump module assembly
Fitment Years	1988-1995
Compatible Models	C1500, C2500, C3500, K1500, K2500, K3500
Replace OE Part Numbers	AIRTEX:E3621S, CARTER:P8000S, DELPHI:HP10000, GM:25028611
Brand	Apeixoto
Warranty	60 day return; one year free replacement

Our Verdict

The Fuel Pump Module Assembly E3621S is a practical, cost-conscious replacement for 1988-1995 C/K trucks that delivers OE-standard fitment and easy installation; it represents good value for owners prioritizing compatibility and upfront cost, though buyers seeking maximum longevity should weigh OEM alternatives.

Frequently Asked Questions

Will this pump fit my 1993 C2500?
Yes, the E3621S is specified to fit 1988-1995 C2500 models, but always double check your vehicle details before purchase.

Does it replace GM part 25028611?
Yes, the product is listed as a replacement for GM:25028611 and several common OE numbers.

What warranty is included?
The unit ships with a 60 day free return policy and a one year free replacement warranty for defects or failures covered by the seller.