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USD 14.94
Part #: RP01300

Royal Purple 75W-90 Synthetic Gear Oil 01300

Universal - 1 Quart Bottle
Part #: RP01300
$ $14.94
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Max-GearŽ 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.

Max-GearŽ is an ultra-tough, high performance, GL-5 automotive gear oil designed to provide maximum protection to heavily loaded gears while maximizing power output throughout the drive train. It outperforms other GL-5 gear oils because it combines the highest quality synthetic oils with Royal Purple's proprietary SynslideŽ additive technology.

Max-GearŽ makes gears run smoother, quieter, cooler and longer without overhauls.

All viscosities of Max-GearŽ are formulated with hypoid friction modifiers necessary for use in clutch or cone type differentials. No additional additives are necessary.

UPS Ground shipping only.


  • MFG. Number 01300
  • Manufacturer Name Royal Purple, Ltd.
  • Shipping Weight 2.00 lb.
  • Shipping Length 5 in.
  • Shipping Width 9 in.
  • Shipping Height 9 in.
  • UPC 641330013003
  • Warranty Yes
  • Warranty Info 1 Year / 1 Oil
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Most Popular Questions

Is this oil safe for soft metals in older transmissions/transfer cases? 1981 Borg Warner manual transmission
View Staff Answer 
Yes! According to Royal Purple, Max Gear is noncorrosive to soft yellow metals like brass, bronze and copper. It's also syncronizer safe!