Differential Ring and Pinon Front and Rear Complete Kit (10 Front, 12 Rear, 10 Front, 12 Rear)

137553

Motive Gear makes it easy to re-gear your 4x4! Motive Gear complete front and rear differential kit includes: front and rear ring and pinions, plus front and rear bearing kits. Everything you need when changing tire size on your off-road vehicle.

MGK-209 Application Notes

Warranty

1 Year or 50,000 Miles

MGK-209 Specifications

App Model GM 8.5, GM 8.875 Truck
Cover Bolt Quantity 10 Front, 12 Rear, 10 Front, 12 Rear
Differential Carrier Break 2.73 Ratio and Higher Front, 2.76 to 3.42 Ratio Rear, 2.73 Ratio and Higher Front, 2.76 to 3.42 Ratio Rear
Differential Case Design Type GM 8.5, GM 8.875 Truck, GM 8.5, GM 8.875 Truck
Gear Ratio 4.11, 4.11
Pinion Gear Tooth Quantity 10 Front, 9 Rear, 10 Front, 9 Rear
Pinion Shaft Diameter 1.626 Front (Inch), 1.438 Rear (Inch), 1.626 Front (Inch), 1.438 Rear (Inch)
Pinion Spline Count 30, 30
Position Front and Rear
Prop 65 Long Label WARNING: Reproductive Harm - www.p65warnings.ca.gov
Prop 65 Short Label WARNING: Cancer - www.p65warnings.ca.gov
Prop 65 Y N N
Ratio 4.11
Ring Gear Bolt Quantity 10 Front, 12 Rear, 10 Front, 12 Rear
Ring Gear Material 8620 Steel, 8620 Steel
Ring Gear Outside Diameter 8.5 Front (Inch), 8.875 Rear (Inch), 8.5 Front (Inch), 8.875 Rear (Inch)
Ring Gear Rotation Standard, Standard
Ring Gear Tooth Quantity 41 Front, 37 Rear, 37 Rear, 41 Front
Taxonomy A LD Differential, LD Differential, LD Differential, LD Differential
Taxonomy B Ring and Pinion Gear Packages, Ring and Pinion Gear Packages, Ring and Pinion Gear Packages
Taxonomy C Front and Rear, Front and Rear, Front and Rear
Taxonomy D 4.11, 4.11, 4.11
Where to buy

Vehicle Applications

  • 1977 Chevrolet K10

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1978 Chevrolet K10

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1978 – 1979 Chevrolet K10

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1979 Chevrolet K10

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1980 Chevrolet K10

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1980 – 1981 Chevrolet K10

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1981 Chevrolet K10

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1977 Chevrolet K10 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1977 – 1978 Chevrolet K10 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1978 – 1979 Chevrolet K10 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1979 Chevrolet K10 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1980 Chevrolet K10 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1981 Chevrolet K10 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1982 Chevrolet K10 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1977 Chevrolet K20

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1978 Chevrolet K20

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1978 – 1979 Chevrolet K20

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1979 Chevrolet K20

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1980 Chevrolet K20

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1981 Chevrolet K20

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1977 Chevrolet K20 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1977 – 1978 Chevrolet K20 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1978 – 1979 Chevrolet K20 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1979 Chevrolet K20 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1980 Chevrolet K20 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1980 – 1981 Chevrolet K20 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1981 Chevrolet K20 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1977 Chevrolet K5 Blazer

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1978 Chevrolet K5 Blazer

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1978 – 1979 Chevrolet K5 Blazer

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1979 – 1980 Chevrolet K5 Blazer

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1980 – 1981 Chevrolet K5 Blazer

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1981 Chevrolet K5 Blazer

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1980 – 1982 Chrysler LaCrosse

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1977 GMC K15 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1978 GMC K15 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1979 GMC K1500

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1980 GMC K1500

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1980 – 1981 GMC K1500

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1981 – 1982 GMC K1500

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1982 GMC K1500

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1979 GMC K1500 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1980 GMC K1500 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1981 GMC K1500 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier
  • 1981 – 1982 GMC K1500 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Carrier Front
    • Fits 2.76 to 3.42 Carrier Rear
  • 1982 GMC K1500 Suburban

    Application notes:

    • For GM 8.5" and GM 8.875" - Ring and Pinions Including Timken Bearing Kits
    • 4.11 Ratio
    • Thick Rear Ring Gear
    • Requires a 2.73 and Numerically Higher Front Carrier
    • Fits 2.76 to 3.42 Rear Carrier

Installation

Installation Instructions
⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov