For more than five decades, Sierra International has been a trusted leader in high-quality aftermarket engine and drive components. Originally focused on the marine industry, Sierra has expanded its product line to also serve RVs, ATVs/UTVs, and outdoor power equipment. The brand brings together Sierra, Prime Line, Shields, and Moeller products under one name, offering customers a comprehensive range of solutions for both land and water applications.

From engine and drive parts to oils, lubricants, filtration, instrumentation, connectors, and general hardware, every Sierra product is engineered to meet or exceed OEM performance standards. Their commitment to quality ensures dependable operation, whether maintaining a fishing boat, upgrading a recreational vehicle, or servicing utility equipment.

With distribution operations in Litchfield, Illinois, Sierra International supports American jobs and provides quick access to parts across the United States. Built on a legacy of innovation, durability, and customer trust, Sierra continues to be the go-to choice for those who expect top-tier performance from their equipment.



Fully synthetic gear lube designed for maximum load capacity, anti-foam performance, and resistance to saltwater corrosion. The 5-gallon size is perfect for commercial service use.

SIERRA MARINE SYNTHETIC GEAR LUBE (5 Gal)

Gear Oils

Bulk 5-gallon synthetic marine gear lube.

SIERRA MARINE SYNTHETIC GEAR LUBE (5 Gal)

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