Fuel Feed Lift Pump 129301-52020 For Yanmar Marine Engine 2GM20 3GM30 3GMD 3HM35

Fuel Feed Lift Pump for Yanmar

This fuel feed lift pump, with part number 129301-52020, delivers reliable fuel delivery for Yanmar marine engines, ensuring consistent operation under load. It functions as a mechanical diaphragm pump, drawing fuel from the tank and supplying it to the injection pump. This pump is built for demanding marine environments and provides dependable performance for your Yanmar powerplant.

Overview

This fuel feed lift pump is a direct replacement component engineered for Yanmar marine diesel engines, specifically models such as the 2GM20, 3GM30, 3GMD, and 3HM35. It ensures a steady flow of fuel from the tank to the high-pressure injection pump, which is critical for reliable starting and smooth running. This lift pump is designed to withstand the harsh conditions of a marine engine room while delivering consistent fuel pressure.

Built For Performance

• Mechanical diaphragm design provides a positive fuel supply without requiring electrical connections.
• Precision-machined body ensures a leak-free seal and durable service life.
• Robust construction resists corrosion from saltwater and marine atmospheres.
• Direct-fit replacement for OEM part number 129301-52020, simplifying installation.
• Compatible with standard diesel fuel systems, maintaining original engine performance.

Fits These Machines

• for Yanmar 2GM20 Marine Engine
• for Yanmar 3GM30 Marine Engine
• for Yanmar 3GMD Marine Engine
• for Yanmar 3HM35 Marine Engine

On-The-Job Use

• Restores fuel delivery in marine vessels equipped with Yanmar 2GM and 3GM series engines.
• Suitable for auxiliary engines on sailboats and powerboats where reliable priming is essential.
• Used in generator sets powered by Yanmar GMD series diesel engines.
• Provides a dependable fuel supply for continuous operation in commercial and recreational marine applications.

Specs At A Glance

Good To Know

Q: What is the lifespan of this fuel feed lift pump? A: With proper maintenance and clean fuel, the diaphragm and internal components can last for several thousand hours. Replace the pump if you notice fuel leaks or a significant drop in engine performance.

Q: Is this an original Yanmar part? A: This is an aftermarket replacement part designed to match the specifications of the original Yanmar 129301-52020 pump. It is manufactured to deliver the same performance and is a direct fit for your engine.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.