ProActive Gears NP261XHD/263XHD 31 Spline Transfer Case Rebuild Kit 01-07 GM 6.6L Duramax

Drivers rely on their vehicles' transmissions and transfer cases to perform flawlessly, delivering power precisely when needed. When it comes to vehicle performance, every component from gears to pinions to shafts must work seamlessly to ensure reliability and optimal function. Professional mechanics and car owners alike trust ProActive Gears to supply high-quality aftermarket transmission and transfer case components that deliver consistent performance in every condition. ProActive Gears is a top-tier automotive components supplier with a strong track record of sourcing and providing premium aftermarket transmission and transfer case parts from leading global manufacturers. By specializing in cost-effective, high-quality alternatives to OEM components, ProActive Gears imports components directly from manufacturers, offering exceptional value while keeping vehicles on the road longer and running efficiently. No other supplier in the industry matches ProActive Gears in quality and service.

ProActive Gears offers a full array of parts and components for transmissions and transfer cases, crafted to exact OEM specifications. The product line includes full transmissions, transmission parts, powertrain components, transfer cases, transfer case components, rings and pinions, and installation kits. ProActive Gears has helped keep vehicles on the road for over 35 years. Established in 1984 ProActive Gears, the company has grown from a direct importer in Chicago to a diverse supplier with an extensive product range that now includes differential, transfer case, and manual transmission products. With a second distribution center, ProActive Gears also provides expedited shipping for West Coast customers, ensuring timely delivery and continued commitment to top-quality aftermarket solutions.