Sierra Fuel Pump Kit Machined Rear Motor Pump

Description

Product Overview

The Sierra International 18-7800 Fuel Pump Kit is engineered for rear‑motor applications, delivering precise fuel flow and leak‑free operation. Constructed from machined metal components, the kit includes two 18-7796 check valves, three O‑rings (18-7413, 18-7403, 18-0850), and a high‑grade fuel pump gasket. Each part matches OEM specifications (OEM Part Numbers 438616, 433519) and is designed to meet or exceed original equipment quality, providing long‑lasting durability in demanding marine environments.

Usage

This kit is ideal for owners of outboard engines, personal watercraft, and small inboard engines requiring a rear‑motor fuel pump replacement. Whether performing routine maintenance or addressing a fuel leak, the kit’s components fit seamlessly into existing systems, reducing downtime.

Why Choose Us

Sierra’s reputation for precision engineering ensures each pump kit delivers consistent performance. Our kits are tested for pressure tolerance and chemical resistance, guaranteeing reliable operation under high‑temperature and high‑vibration conditions. With interchangeable compatibility for GLM 40850, Evinrude/Johnson 438616, 433519, and Mallory 9-37701, you receive a versatile solution that simplifies inventory and service.

Key Features

• Precision‑machined metal construction for superior durability
• Includes two check valves, three O‑rings, and a fuel pump gasket
• OEM‑matched part numbers ensure exact fit and performance
• Designed for rear‑motor applications in marine and small engines
• Interchangeable with multiple brand part numbers for flexibility

FAQ

What engines are compatible with this kit?

The kit fits rear‑motor outboard engines that use OEM part numbers 438616 or 433519, including Evinrude, Johnson, and Mallory models, as well as GLM 40850 equivalents.

Do I need additional tools to install the kit?

Standard hand tools such as a torque wrench, screwdriver set, and fuel line clamps are sufficient. No specialized equipment is required.

How does the check valve improve performance?

The included check valves prevent backflow, maintaining consistent fuel pressure and protecting the engine from fuel starvation during operation.

Is this kit covered by a warranty?

Yes, Sierra offers a limited one‑year warranty covering manufacturing defects for all components in the kit.

Can I use this kit for a replacement after a fuel leak?

Absolutely. The gasket and O‑rings are designed to create a seal that eliminates leaks, restoring optimal fuel system integrity.