Royal purple max gear 75w90 gear oil

Free Shipping 

Any order to the contiguous 48 states that is $100.00 or greater will receive FREE ground shipping . Not included are oversize items (some seats/fuel jugs) or if stated in the item description. 3 day, 2 day, overnight, and weekend overnight shipping are available. However, if your order qualifies for "Free Shipping" and you later return the item/items on that order for a refund, you must pay for the free shipping you received on that order before any refund will be issued. Return shipping is the responsibility of the buyer. If it is difficult for you to visit a shipping facility to arrange for return shipping, we will gladly send you a return label for your convenience. Return labels will be offered for a minimum of $20. The weight and size of the return will determine the final return price. Items must be returned to us new, unused, and in the original packaging. Shipping charges incurred on any order are non-refundable upon return of the item(s). Exemption: If product was opened but later deemed defective) If you have any questions, please call any member of our sales staff @ 1-888-748-RACE.

Alaska, Hawaii and any other delivery address beyond the 48 contiguous shipments will have additional shipping charges, We will contact you with pricing and delivery options.

Return Policy 

We want our customers to be safe and have the exact pieces they want. We know how hard it is to find the exact fit for your helmet, suit, gloves, shoes, etc. Our simple return and exchange options are below.

  • 1-30 Days after delivery to you: Full refund or Exchange
  • 30-45 Days after delivery to you: Exchange
  • 30-45 Days after delivery to you: Refund minus 15%
  • 45+ Days after delivery to you: No returns or exchanges allowed

Items must be returned to us new, unused, and in the original packaging. Products returned must include all original packaging and exterior box. (Exemption: If product was opened but later deemed defective. If an item is deemed to be defective within 30 days of purchase, DiscoveryParts will replace it with an identical item or a full store credit will be issued upon arrival of the return. Please make sure to thoroughly inspect the purchased product before using it and ensure the user of the product is familiar with the correct application and proper care)  If you have any questions, please call any member of our sales staff @ 1-888-748-RACE

*Please note: NOT ALL ITEMS ARE RETURNABLE. No returns or exchanges will be accepted on final closeout items. 

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  1. Auto & Tires
  2. Oils and Fluids Home
  3. Transmission Fluid, Differential Fluid and Gear Oil

Royal Purple

$24.99

(5.0)5 stars out of 2 reviews2 reviews

$24.99

$24.99

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Starting from $25.38

Quicksilver Mercury 92-858064K01 Marine SAE 90 High Performance Gear Lube, 1 quart

Royal purple max gear 75w90 gear oil

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current price $13.87

Quicksilver Mercury 92-858064K01 Marine SAE 90 High Performance Gear Lube, 1 quart

4.9 out of 5 Stars. 58 reviews

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Royal purple max gear 75w90 gear oil

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Can I use Royal Purple 75W90?

Royal Purple Max Gear 75W-90 High Performance Synthetic Automotive Gear Oil. Max Gear is recommended for use in truck and automotive front or rear differentials, manual transmissions and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid.

Does Royal Purple Max gear oil have friction modifier?

Max Gear is formulated with a friction modifier additive – no additional additives are necessary.

How long does Royal Purple gear oil last?

With Royal Purple full synthetic motor oil, feel free to change your oil every 12,000 miles, or 12 months (whichever comes first).

Is Royal Purple Max gear gl4?

Royal Purple® Max Gear® is recommended for use in automotive front and rear differentials, manual transmissions and transfer cases that specify use of an API GL-4 or GL-5 fluid. It is noncorrosive to soft yellow metals (brass, bronze, copper), and is synchronizer safe.