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API GL-4 and GL-5 Gear Oil for Various Viscosity Grades in Automobiles
Bulk supply of transmission fluid for B2B

API GL-4 / GL-5 Automotive Gear Oil

Multiple viscosity grades for compatible vehicle gear systems

API GL-4 / GL-5 75W-90 80W-90 85W-90 85W-140

Ningbo MOS Chemical Co., Ltd. supplies transmission oils for automotive applications meeting API GL-4 and GL-5 specifications to international B2B buyers, lubricant importers, wholesalers, distributors, vehicle maintenance companies, and fleet operators. Various viscosity grades are available for compatible applications in passenger cars, commercial vehicles, and general gear systems.

Temperature Stability Ensures performance across the operating temperature range
Wear Protection and Corrosion Provides Gear and Component Protection
Transmission Cleanliness Helps control deposits and contaminants
Multiple Viscosity Grades Four Specified Viscosity Grades
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API GL-4 / GL-5 Automotive Gear Oil

This gear oil is available in API GL-4 and GL-5 classifications, as well as SAE viscosity grades 75W-90, 80W-90, 85W-90, and 85W-140. Its base oil and additive system provide thermal stability, wear protection, corrosion protection, and transmission cleanliness.

GL-4 and GL-5 represent different performance requirements for transmission oils and should not be automatically considered interchangeable. The correct API classification and viscosity grade should be selected in accordance with the recommendations of the transmission, axle, or gearbox manufacturer.

Ningbo MOS Chemical Co., Ltd. coordinates international B2B sales, bulk supply, distributor partnerships, OEM projects, private label orders, and export services. MOSINTER GROUP is positioned as an investment group with investments in lubricant production facilities and supply resources.

Key performance benefits

  • API GL-4 and GL-5 product classifications
  • Four Specified SAE Viscosity Grades
  • Stability at high and low temperatures
  • Wear Protection and Corrosion
  • Helps maintain transmission cleanliness
  • Suitable for compatible automotive transmission systems

Application Area

Passenger Cars
Commercial Vehicles
Compatible gear systems
Axle and transmission applications
API GL-4 and GL-5 Automotive Transmission Lubricants

Automotive Transmission Protection

Provides wear protection, corrosion control, transmission cleanliness, and stable lubrication in compatible vehicle gear systems.

Bulk supply of GL-4 / GL-5 gear oil for B2B

Ningbo MOS Chemical Co., Ltd. supports international buyers in sourcing transmission oil for lubricant distribution, fleet maintenance, automotive service networks, wholesale supply, and OEM or private label projects.

  • Support for Wholesale and Bulk Purchases
  • Collaboration with lubricant importers and distributors
  • OEM and private-label transmission oil projects
  • Supply of oils in various viscosity grades
  • Packaging and labeling agreement
  • Preparation of export documentation and shipment coordination

Explore Our Transmission Oil Range, learn about our Production Network, or contact our export sales team for viscosity selection, packaging requirements, and B2B quotation support.

Packaging Specification

Standard packaging is available for B2B supply. Alternative packaging, labeling, and private label options can be discussed depending on order volume and target market.

API GL-4 and GL-5 Gear Oil, 2L Package
2L×10
API GL-4 and GL-5 Gear Oil, 4L Package
4L×6
Transmission oil API GL-4 and GL-5 packaging 18 L
18L

API GL-4 / GL-5 Frequently Asked Questions about Gear Oils

For which applications are transmission oils API GL-4 and GL-5 used?

Transmission oils API GL-4 and GL-5 are used in compatible automotive gear drives, including applications in passenger and commercial vehicles. The required API class must be selected in accordance with the vehicle or transmission manufacturer's recommendations.

Can transmission oils GL-4 and GL-5 be used interchangeably?

GL-4 and GL-5 should not be automatically considered interchangeable. They represent different performance requirements, and the correct product must be selected according to the transmission, axle, or gearbox manufacturer's specification.

What viscosity grades are available?

Specified viscosity grades: SAE 75W-90, 80W-90, 85W-90, and 85W-140. Selection should be based on equipment requirements, operating temperature, and service conditions.

Can you supply gear oil GL-4 and GL-5 in bulk?

Yes. Ningbo MOS Chemical Co., Ltd. supports B2B wholesale, bulk purchasing, distributor supply, and export cooperation. Order terms depend on volume, packaging, and destination market.

Is OEM or private label gear oil available for automotive applications?

For qualified B2B orders, cooperation on OEM and private label projects, including packaging, labeling, and specific market requirements, may be discussed subject to technical confirmation and minimum order quantity.