OGATOO Electric Fuel Pump Assembly for Chevy & GMC Pickups 1988–1995 | Replaces E3621S, 66300, P8000S | 4.3L–7.4L

Engineered for reliability and easy satisfaction on the road

The OGATOO Electric Fuel Pump Assembly is designed to fit a broad family of Chevy and GMC pickups from 1988 through 1995, including C1500, C2500, C3500 and K-series models. With engine options ranging from 4.3L to 7.4L, this replacement part aims to restore dependable fuel delivery and smooth operation. While results depend on your vehicle’s overall condition, many drivers report easier starts, steadier idle, and more predictable acceleration when the pump is performing well.

Built to align with the original specifications, this pump replacement seeks to preserve the feel of your vehicle’s fuel system. It can help maintain a consistent fuel flow, which may contribute to more consistent performance under typical driving conditions, such as commuting, highway cruising, and light to moderate towing scenarios. It is not a guarantee, but it is a design intent to support reliable operation when combined with proper maintenance and inspection of the fuel system.

Compatibility and OEM-fit details

This unit serves as an OEM replacement for a long list of part numbers to ensure a precise fit and reliable performance. Notable equivalents include E3621S, 66300, P8000S, 402P3621S, and several related variants. Please verify your vehicle details (model year, engine, and fuel-system configuration) to confirm compatibility before purchasing.

• Wide compatibility: fits 1988–1995 Chevy C-series and GMC C/K pickups with 4.3L–7.4L engines.
• OEM replacement mindset: matches the core function and interaction with the existing fuel-system components.

What’s included and key benefits

• Easy installation: designed for a direct bolt-in replacement with no vehicle modifications needed.
• Improved fuel flow: a robust core helps maintain steady fuel delivery under normal driving demands.
• Durable construction: high-quality materials and rigorous testing aim for long-lasting reliability.
• Warranty and support: backed by a 1-year warranty and accessible customer support for questions or issues.

Durability, testing, and support

OGATOO emphasizes durability through precision engineering and quality-control processes. Every unit undergoes testing to meet performance standards, helping to minimize future maintenance needs. If you need help after purchase, our support team is ready to assist with guidance and troubleshooting.

Note: Regular inspection of the fuel system, including lines, connectors, and the fuel tank, is part of maintaining peak performance. This replacement is part of a proactive approach to your vehicle’s fuel-delivery system, offering potential improvements when used as part of a well-maintained engine and fuel-supply setup.