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  See more parts for Chevrolet Blazer
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Motive Gear Differential Ring and Pinion Rear GM12-411X for Select Vehicles - GM12-411X
Motive Gear Differential Ring and Pinion Rear GM12-411X for Select Vehicles - GM12-411X - Image 2 Motive Gear Differential Ring and Pinion Rear GM12-411X for Select Vehicles - GM12-411X - Image 2

Motive Gear GM12-411X Differential Ring and Pinion

The Motive Gear GM12-411X is engineered for those who demand performance and reliability from their drive train components. With a gear ratio of 4.11, this differential ring and pinion set is designed specifically for the GM 8.875" rear end, making it a solid choice for both on-road and off-road applications.

Features

  • Ring Gear Diameter: 8.875 inches
  • Pinion Shaft Diameter: 1.438 inches
  • Ring Gear Tooth Quantity: 37
  • Pinion Gear Tooth Quantity: 9
  • Pinion Spline Count: 30
  • Material: High-strength 8620 steel
  • Standard ring gear rotation
  • Requires a differential carrier with a break of 2.76 to 3.42
  • Designed for rear fitment in compatible GM models

Customer Feedback

Many users have praised the GM12-411X for its durability and performance. One customer noted, "After installing this gear set in my Blazer, I noticed a significant improvement in acceleration and towing capability. It's a solid upgrade!" Another user mentioned, "The installation was straightforward, and the quality is evident. I feel more confident pushing my truck to its limits now."

Fitment

This differential ring and pinion set is compatible with the following vehicles:

  • Chevrolet Blazer 1969-1974
  • Chevrolet C/K 10 1964-1982
  • Chevrolet C/K 20 1969-1981
  • Chevrolet G10 1975-1981
  • Chevrolet G10 Van 1970-1974
  • Chevrolet G20 1978-1981
  • Chevrolet K5 Blazer 1975-1981
  • Chevrolet P10 Series 1965-1967
  • Chevrolet P10 Van 1967
  • Chevrolet P20 1975-1981
  • Chevrolet Suburban 1965-1982
  • GMC C/K 15 1966-1978
  • GMC C/K 1500 1966 & 1979-1982
  • GMC C/K 25 1969-1978
  • GMC C/K 2500 1979-1981
  • GMC Jimmy 1970-1981

Technical Data

With a thick ring gear design, the GM12-411X provides enhanced strength and reliability, making it an excellent choice for heavy-duty applications. The 8620 steel construction ensures longevity and performance, while the precise tooth count allows for smooth operation and reduced noise.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Chevrolet Blazer 1969-1974 Base
Chevrolet C10 1975-1982 Custom
Chevrolet C10 1975-1982 Scottsdale
Chevrolet C10 1975-1982 Silverado
Chevrolet C10 1975-1981 Cheyenne
Chevrolet C10 1975-1980 Custom Deluxe
Chevrolet C10 1978-1980 Big Ten
Chevrolet C10 1981 Deluxe
Chevrolet C10 Panel 1964-1967 Base
Chevrolet C10 Pickup 1964-1974 Base
Chevrolet C10 Suburban 1967-1969, 1971-1974 Base
Chevrolet C10 Suburban 1975-1980 Custom Deluxe
Chevrolet C10 Suburban 1975-1980, 1982 Scottsdale
Chevrolet C10 Suburban 1975-1980, 1982 Silverado
Chevrolet C10 Suburban 1981-1982 Custom
Chevrolet C10 Suburban 1981 Deluxe
Chevrolet C20 1975-1981 Silverado
Chevrolet C20 1975-1981 Scottsdale
Chevrolet C20 1975-1980 Custom Deluxe
Chevrolet C20 1975-1981 Cheyenne
Chevrolet C20 1981 Deluxe
Chevrolet C20 1981 Custom
Chevrolet C20 Pickup 1969-1974 Base
Chevrolet C20 Suburban 1967-1969, 1971-1974 Base
Chevrolet C20 Suburban 1975-1977, 1979-1980, 1982 Silverado
Chevrolet C20 Suburban 1975-1980 Custom Deluxe
Chevrolet C20 Suburban 1975-1980, 1982 Scottsdale
Chevrolet C20 Suburban 1981-1982 Custom
Chevrolet C20 Suburban 1981 Deluxe
Chevrolet G10 1975-1981 Chevy Van
Chevrolet G10 1975-1981 Sportvan
Chevrolet G10 1975-1981 Beauville
Chevrolet G10 1981 Bonaventure
Chevrolet G10 Van 1970-1974 Base
Chevrolet G10 Van 1970-1974 Sportvan
Chevrolet G20 1978-1981 Chevy Van
Chevrolet G20 1978-1981 Nomad
Chevrolet G20 1978-1981 Sportvan
Chevrolet G20 1978-1981 Beauville
Chevrolet K10 Pickup 1964-1974 Base
Chevrolet K10 Suburban 1967-1969, 1971-1974 Base
Chevrolet K10 Suburban 1975-1977, 1979-1980, 1982 Silverado
Chevrolet K10 Suburban 1975-1980, 1982 Scottsdale
Chevrolet K10 Suburban 1975-1980 Custom Deluxe
Chevrolet K10 Suburban 1981-1982 Custom
Chevrolet K10 Suburban 1981 Deluxe
Chevrolet K20 1975-1981 Cheyenne
Chevrolet K20 1975-1981 Silverado
Chevrolet K20 1975-1980 Custom Deluxe
Chevrolet K20 1975-1981 Scottsdale
Chevrolet K20 1981 Deluxe
Chevrolet K20 1981 Custom
Chevrolet K20 Pickup 1969-1974 Base
Chevrolet K20 Suburban 1967-1969, 1971-1974 Base
Chevrolet K20 Suburban 1975-1980, 1982 Scottsdale
Chevrolet K20 Suburban 1975-1980 Custom Deluxe
Chevrolet K20 Suburban 1975-1977, 1979-1980, 1982 Silverado
Chevrolet K20 Suburban 1981-1982 Custom
Chevrolet K20 Suburban 1981 Deluxe
Chevrolet K5 Blazer 1975-1980 Cheyenne
Chevrolet K5 Blazer 1975, 1977-1980 Custom Deluxe
Chevrolet K5 Blazer 1976 Base
Chevrolet K5 Blazer 1978, 1980-1981 Silverado
Chevrolet K5 Blazer 1981 Custom
Chevrolet K5 Blazer 1981 Deluxe
Chevrolet P10 Series 1965-1967 Base
Chevrolet P10 Van 1967 Base
Chevrolet P20 1975-1981 Step-Van
Chevrolet P20 1975-1981 Base
Chevrolet Suburban 1965-1966 Base
GMC C15 1975-1978 Base
GMC C15 1975-1978 High Sierra
GMC C15 1975-1978 Sierra Grande
GMC C15 1975-1978 Sierra Classic
GMC C15 1977-1978 Heavy Half
GMC C15 1977 Indy Hauler
GMC C15 1978 Street Coupe
GMC C15 Suburban 1975-1978 Sierra Grande
GMC C15 Suburban 1975-1978 Sierra Classic
GMC C15 Suburban 1975-1978 Base
GMC C15 Suburban 1975-1978 High Sierra
GMC C15/C1500 Suburban 1967 Base
GMC C1500 1979-1982 Street Coupe
GMC C1500 1979-1982 Sierra Grande
GMC C1500 1979-1982 Base
GMC C1500 1979-1982 Sierra Classic
GMC C1500 1979-1980 Heavy Half
GMC C1500 1979-1982 High Sierra
GMC C1500 Suburban 1979-1982 Sierra Grande
GMC C1500 Suburban 1979-1982 Base
GMC C1500 Suburban 1979-1982 High Sierra
GMC C1500 Suburban 1979-1982 Sierra Classic
GMC C25 1975-1978 Sierra Grande
GMC C25 1975-1978 Base
GMC C25 1975-1978 Sierra Classic
GMC C25 1975-1978 High Sierra
GMC C25 Suburban 1975-1978 High Sierra
GMC C25 Suburban 1975-1978 Base
GMC C25 Suburban 1975-1978 Sierra Classic
GMC C25 Suburban 1975-1978 Sierra Grande
GMC C2500 1979-1981 Sierra Classic
GMC C2500 1979-1981 Sierra Grande
GMC C2500 1979-1981 High Sierra
GMC C2500 1979-1981 Base
GMC C2500 Suburban 1979-1981 Base
GMC C2500 Suburban 1979-1981 Sierra Classic
GMC C2500 Suburban 1979-1981 Sierra Grande
GMC C2500 Suburban 1979-1981 High Sierra
GMC Jimmy 1970-1981 Base
GMC Jimmy 1975-1981 Sierra Classic
GMC Jimmy 1975-1981 High Sierra
GMC Jimmy 1975-1981 Sierra Grande
GMC Jimmy 1978-1981 Street Coupe
GMC K15 1975-1978 Sierra Classic
GMC K15 1975-1978 High Sierra
GMC K15 1975-1978 Base
GMC K15 1975-1978 Sierra Grande
GMC K15 1977 Indy Hauler
GMC K15 Suburban 1975-1978 High Sierra
GMC K15 Suburban 1975-1978 Sierra Classic
GMC K15 Suburban 1975-1978 Base
GMC K15 Suburban 1975-1978 Sierra Grande
GMC K15/K1500 Suburban 1967 Base
GMC K1500 1979-1982 Sierra Classic
GMC K1500 1979-1982 High Sierra
GMC K1500 1979-1982 Sierra Grande
GMC K1500 1979-1982 Base
GMC K1500 Suburban 1979-1982 High Sierra
GMC K1500 Suburban 1979-1982 Sierra Grande
GMC K1500 Suburban 1979-1982 Sierra Classic
GMC K1500 Suburban 1979-1982 Base
GMC K25 1975-1978 High Sierra
GMC K25 1975-1978 Sierra Classic
GMC K25 1975-1978 Base
GMC K25 1975-1978 Sierra Grande
GMC K25 Suburban 1975-1978 Base
GMC K25 Suburban 1975-1978 Sierra Classic
GMC K25 Suburban 1975-1978 High Sierra
GMC K25 Suburban 1975-1978 Sierra Grande
GMC K25/K2500 Suburban 1967 Base
GMC K2500 1979-1981 Sierra Grande
GMC K2500 1979-1981 Sierra Classic
GMC K2500 1979-1981 Base
GMC K2500 1979-1981 High Sierra
GMC K2500 Suburban 1979-1981 Sierra Classic
GMC K2500 Suburban 1979-1981 Base
GMC K2500 Suburban 1979-1981 High Sierra
GMC K2500 Suburban 1979-1981 Sierra Grande

Motive Gear Banner

Who is Motive Gear?

Motive Gear is a Midwest Truck and Auto Parts division specializing in producing high-quality drivetrain components for the automotive industry. They offer a wide range of products from differential bearing kits, ring and pinion gear sets, transmission kits and components, transfer case parts, and replacement axle shafts. Today, Motive Gear is one of the most sought-after brands when it comes to drivetrain parts.

Quality and Affordable Parts

Motive Gear provides high-quality drivetrain parts at an affordable price. All of their products are designed using the latest manufacturing equipment and goes through an extensive quality control test. It ensures that their products achieve a perfect fit, provides optimum performance and longevity.

Choice Of Champions

Their products are also used by many racers from various racing disciplines such as IHRA, NHRA, NMRA, SODA, NMCA, BITD, and NASCAR. It is a testament to the quality and performance their product provides. Their racing participation also allows the company to gather vital data that lets them improve their products further. 

Purchase Motive Gear Products At Vivid Racing

If you are planning to upgrade your drivetrain and are searching for a company that you can trust, then Motive Gear is the brand for you. Over the years, they have consistently given customers parts that they can rely on and have proven that quality parts do not always have to be expensive. To know more about Motive Gear, visit Vivid Racing and check out their list of products that fit your specific requirement.







At Motive Gear, from inception to inspection, our parts surpass rigorous quality control tests. When you open your Motive Gear box, you can see the quality of our hard work. Our highly qualified quality control technicians are up-to-date on the latest industry innovations to ensure that the quality of our product is unsurpassed. Our parts are TOUGH. We back our Motive Gear Performance ring & pinion gear sets with a 2 year / 100,000 mile no-nonsense warranty and all other products with a 1 year / 50,000 mile warranty

Installation Instructions

Click to view the Installation Instructions here

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