Yamalube 80W-90 Marine GL-4 Gearcase Lube (Quart) – ACC-GEARLUB-QT | OEM

Yamalube 80W-90 Marine GL-4 Gearcase Lube (Quart) – ACC-GEARL-UB-QT

Protect your compatible Yamaha outboard’s lower unit with Genuine Yamaha Yamalube 80W-90 Marine GL-4 Gearcase Lube ACC-GEARL-UB-QT. This marine-grade lubricant is formulated for Yamaha lower units requiring GL-4 gear oil.

Its marine-specific formula helps protect gears and internal components against wear, corrosion, and pitting while maintaining proper viscosity under load. It supports smooth gear engagement and dependable lower-unit performance in demanding freshwater and saltwater conditions.

Engine Compatibility

Designed for:

• Compatible Yamaha outboards requiring GL-4 marine gearcase lubricant

Compatibility and lubricant requirements can vary by complete engine model, production year, and gearcase configuration.

Important Exclusions

Do not use this GL-4 gearcase lubricant in:

• 200–350 HP — 4.2L and 4.3L Offshore Models

• 200–250 HP — 4.2L V MAX SHO Models

• 425–450 HP — 5.6L XTO Offshore Models

These applications require Yamalube 80W-90 Marine GL-5 Performance Gearcase Lube ACC-GLUBE-HD-QT.

Product Details

• Manufacturer: Yamaha / Yamalube

• Part Number: ACC-GEARL-UB-QT

• Product Type: Marine Gearcase Lubricant

• Performance Specification: GL-4

• Viscosity: SAE 80W-90

• Container Size: One Quart

• Application: Compatible Yamaha Outboard Lower Units

• Condition: New

• Part Type: Genuine Yamaha OEM Product

Important Application Information

Gearcase-lubricant requirements vary by engine model, production year, and gearcase configuration. Please confirm that your Yamaha outboard requires GL-4 gearcase lubricant before ordering.

Always follow the lubricant type, capacity, service-interval, and maintenance instructions provided in your Yamaha owner’s manual.

Genuine Yamaha Product & Nationwide Shipping

This is Genuine Yamaha Yamalube gearcase lubricant—not an aftermarket substitute. It is formulated specifically for compatible Yamaha outboard lower units to help protect internal gears and bearings while supporting dependable performance.

Compleat Angler Marine, part of Pompano Beach Marine Center, is an Authorized Yamaha Pro Elite Plus Dealer supplying Genuine Yamaha OEM parts, maintenance products, lubricants, propellers, accessories, and outboard motors.

We ship Genuine Yamaha OEM parts and maintenance products nationwide. Orders are carefully packed for safe delivery.

Need help confirming fitment?
Call 954-946-1451 or email support@compleatanglermarine.com.