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Mercury Quicksilver Premium Gear Lube is engineered to provide excellent lubrication to lower gears in high or low horsepower engines under varying operating. Note: not to be mixed with Quicksilver High Performance Gear Lube or any other gear lubricants.

If you need to order multiple items from our shop, we will reduce the postage costs when processing your order, or call us on 01326 370060. We will send any amount of Mercruiser or Mariner/ Mercury parts out to you for £7.00 in total via TNT. Please note we are only able to despatch within the UK.

It is always strongly recommended that the Gear Oil be checked and replaced after every 50 hours of salt water use and before storage at the end of each season to prevent damage to the gearbox through water ingress through the propeller seal, should it have failed during the season.

Quicksiler marine gear lube out performs automotive gear oil in marine applications because of its specialized additive package designed for marine gear cases. Continued use of this gear case lubricant will:

Provide maximum protection against excessive wear - even in the presence of water.
Prevent corrosion and pitting
Help extend gear life

Mercury Premium SAE 80W90 Gear Lube is recommended for lower units for outboards below 75hp.

We are main dealers for Mercruiser in Cornwall and all our products are Genuine OEM UK main dealer supplied products from Barrus UK.

Size; 10 Litres

Quicksilver Part No: 92-858059QB1


Quicksilver Premium Gear Oil 10 Litres Part Number 92 858059QB1 £131.24
Quicksilver Premium Gear Oil 10 Litres. Part Number 92-858059QB1
Postage £6.90
Total £138.14


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