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Product Summary

GM 8.875 Inch 12-Bolt Car, 75W140 Oil Weight

  • Max Gear maximizes horsepower & extends gear and bearing life
  • Max Gear reduces operating temperature & separates rapidly from water
  • Contains limited-slip friction modifier
  • Gasket fits 12-bolt GM differentials
  • Premium-grade RTV gasket silicone is effective up to 600°F

Comes as a Kit

Key Specs

BrandRoyal Purple
Oil Weight75W140
Liquid Measurement3 quarts
Oil TypeSynthetic

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Details

Paired together to save you time and hassle, this convenient gear oil change kit features Royal Purple Max Gear 75W140 Gear Oil with replacement differential gasket for your 12 Bolt GM rearend.

Kit Includes:

  • (3) Royal Purple Max Gear 75W140 Gear Oil, 1 Quart
  • (1) 12 Bolt GM Rear End Differential Cover Gasket
  • (1) Performance Tool W1145 Hand Fluid Transfer Pump
  • (1) Valco Cincinnati 710XX135 All-In-One Silicone, Black, 3 oz

 

Royal Purple Max Gear 75W140 Gear Oil

  • Helps to extend gear and bearing life due to minimal deposits
  • Long seal life
  • Potential extended oil drain/service intervals
  • Capability to handle some of the severest driving conditions while delivering smooth efficient and reliable performance
  • Helps to reduce wear
  • Long component life
  • Improved fuel economy and reduced operating costs
  • Helps to reduce wear at start up and ease of start up even in arctic conditions
  • Helps to maintain film strength for reliable lubrication
  • Helps to minimize leakage and reduce contamination
  • Helps to reduce chatter and improve traction
  • Meets or exceeds the requirements of the 

    API GL-5 

    industry specifications

 

12 Bolt GM Rear End Differential Cover Gasket

  • Reusable rear differential gasket
  • Designed to ensure a leak-free seal
  • Pressed composite
  • Fits GM cover (part number 550-3784)
  • Fits 12 bolt GM differentials

 

Performance Tool W1145 Hand Fluid Transfer Pump

  • Transfer your gear oil to or from your differential with ease

 

Valco Cincinnati 710XX135 All-In-One Silicone, Black, 3 oz

  • Seal up your new differential gasket
  • One premium-grade RTV silicone that does it all
  • Effective up to 600°F
  • Black in color
  • Low volatility
  • 3 oz tube with nozzle

 

Charts

Specifications

KEY SPECS
BrandRoyal Purple
Oil Weight75W140
Liquid Measurement3 quarts
Oil TypeSynthetic
GENERAL
Limited Slip AdditiveYes
Sold in QuantityKit