What weight is the oil.

HPF Pro Gearcase Lube normally doesn't specify weight, it's more of a "standard" but they say it is in the 75W-90 range.

will this work in my 1973 Evinrude 85 hp lower unit?

This will work. It's a lot better than the gear lube they had in 1973. You can save money by going with a conventional lower unit gear lube, just change it regularly.

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Sundeer OMC Johnson Evinrude E-Tec HPF Pro Gearcase Lube 32oz. for Outboards & Sterndrives OEM

Sundeer OMC Johnson Evinrude E-Tec HPF Pro Gearcase Lube 32oz. for Outboards & Sterndrives OEM

Product ID: 634917551

Details

Brand
BRP
Liquid volume
32 Fluid
Material
Synthetic
Package information
Bottle
Recommended uses for product
Marine

🌊Marine-grade corrosion protection

⚙️Factory fill OEM lubricant

🛥️Optimized for high-performance outboards

HK$655

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Keep your marine engine running smoother, longer — don’t let gearcase failure leave you stranded!

PERFECT FIT GUARANTEE - Designed specifically for Evinrude E-TEC and compatible Johnson outboards—always verify fitment for flawless performance.
VERSATILE FOR SEVERE DUTY - Ideal for commercial fleets, rental operations, and high-performance stern drives demanding long-lasting gearcase life.
ULTIMATE CORROSION DEFENSE - Advanced marine inhibitors and emulsifiers protect your investment from water intrusion and lubricant breakdown.
UNMATCHED MARINE DURABILITY - Specialized synthetic formula with friction reducers and anti-foam agents ensures your gearcase thrives even in the harshest saltwater conditions.
FACTORY APPROVED PERFORMANCE - BRP’s HPF PRO is the exact OEM gearcase lubricant trusted by Evinrude E-TEC outboards for peak reliability.

Sundeer OMC Johnson Evinrude E-Tec HPF Pro Gearcase Lube 32oz is the factory fill, synthetic gearcase lubricant engineered for Evinrude E-TEC outboards and stern drives. Its high-viscosity formula combines enhanced friction reducers, anti-foam agents, and marine-specific corrosion inhibitors to deliver exceptional durability and protection against water intrusion, ensuring extended gearcase life in severe marine environments.

Specifications

ASIN	B001KYB8HY
Best Sellers Rank	#162,927 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #333 in Power Tool Lubricants
Brand Name	BRP
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (475)
Item Form	Oil
Liquid Volume	32 Fluid Ounces
Manufacturer	BRP
Material	Synthetic
Model Number	0778755
Part Number	0778755
Recommended Uses For Product	Marine
Specific Uses For Product	Prevent Corrosion
UPC	745419330552
Unit Count	32 Fluid Ounces

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