Yunnergo Electric Fuel Pump Module for Wrangler YJ 1991-1995 — 2.5L/4.0L 20 Gal SP736H 5003861AA/AB

Overview

The Yunnergo Electric Fuel Pump Module is a complete replacement crafted for Wrangler YJ models from 1991 through 1995. It supports both the 2.5L inline-4 and the 4.0L inline-6 engines and directly replaces common part variants such as SP736H, 5003861AA, 5003861AB, and related numbers. This module combines the pump with a fuel tank float to deliver a cohesive, ready-to-install solution for on and off road use.

Stable fuel delivery and precise readings

• The assembly maintains steady fuel pressure to the engine, helping smooth starts, stable idling, and consistent throttle response under varied driving conditions.
• The integrated tank float provides reliable fuel level readings to the dashboard, reducing the risk of running low during longer trips or challenging terrains.

Exact fit for your Wrangler

• Engineered to align with 1991, 1992, 1993, 1994, and 1995 Wrangler YJ models and both engine options, ensuring proper mounting and connector compatibility.
• Compatible with common replacement part numbers including SP736H and 5003861AA/AB, offering a straightforward swap when updating the fuel system.

Rugged build for off-road use

Built with erosion-resistant metal components and a heat-tolerant plastic housing, the high-performance pump is designed to endure off-road vibration, extreme engine bay temperatures, and exposure to fuels for long-lasting reliability.

What’s included and installation is DIY friendly

• Complete kit includes the fuel pump assembly, fuel tank float, wiring harness, strainer, and connectors for a full replacement.
• Plug-and-play design aligns with the vehicle structure, and most enthusiasts can complete the update in about 35 to 50 minutes without special tools.

Quality and testing

Each unit undergoes thorough testing to ensure consistent fuel delivery and accurate readings across temperature ranges and vibrations, supporting dependable performance across driving scenarios.

Usage scenarios

Whether daily commuting, weekend trail runs, or long road trips, a reliable fuel delivery system helps the engine respond predictably and maintain momentum when it matters most. The integrated level sensor aids in planning your fuel stops on adventures.