31638-Zw5-004 Belt (4Pk720 M150) – Overview

The 31638-ZW5-004 Belt (4PK720 M150) is an essential component for Honda marine engine systems, supporting the alternator drive mechanism to keep your engine running smoothly. This belt plays a crucial role in transferring mechanical power to the alternator, ensuring consistent electrical output necessary for engine operation and battery charging. Manufactured to precise OEM specifications by Honda, it ensures seamless integration with existing parts, maintaining optimal performance and durability.

Key Features

• Genuine OEM Honda alternator belt designed specifically for Honda marine engines.
• 4PK720 M150 type, a 4-rib rubber serpentine belt reinforced with fiberglass for enhanced strength and flexibility.
• Precise dimensions and engineering to perfectly fit alternator systems in Honda BF115A and BF130A outboard engines.
• Ensures reliable power transmission, supporting alternator operation to charge batteries and power electrical systems effectively.
• Manufactured to meet Honda's strict quality control standards, promoting long service life and engine reliability.
• Integrates cleanly with existing hardware and belt tensioners, matching factory specifications and tolerances.

Why Choose Genuine OEM

Using original Honda parts like the 31638-ZW5-004 Belt (4PK720 M150) preserves the integrity of your marine engine. OEM parts maintain the exact material quality, precision dimensions, and tolerances set by the manufacturer, which are crucial for preserving system reliability and performance. They ensure proper fit and function within the alternator system, reducing the risk of premature wear or failure. Choosing OEM also helps avoid compatibility issues and ensures that the belt performs consistently with Honda's engineered expectations.

Why choose PartsVu?

Dedicated to boaters, PartsVu is your premier marine parts superstore offering genuine Honda marine engine parts and a broad selection of products from leading brands. Founded by boaters to serve boaters, PartsVu simplifies maintenance, repair, and upgrades with expert customer service and comprehensive OEM catalogs. Our Shop By Engine feature and extensive knowledge resources, including maintenance guides and troubleshooting articles, make finding the exact part easy. Enjoy fast shipping, secure checkout, and the confidence of buying from a trusted supplier committed to your boating success.

• Engine Application
  Honda

  • 115hp 1999 and later
  • 130hp 1999-2004