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Motive Gear N1307L

Motive Gear N1307L

$88.50
$88.50
Sale Sold out

The Motive Gear N1307L is a replacement main shaft and gear assembly for the New Venture NV1500 5-speed manual transmission found in Chevy S10, GMC Sonoma, and Isuzu pickups from the late 1990s to early 2000s. When your NV1500 pops out of gear or growls in third or fourth, worn shafts and gears are the root cause.

Manufactured from 8620 alloy steel with case-hardening to 58–62 HRC, the N1307L is a direct OEM replacement with tooth profiles ground to AGMA Class 10 standards for quiet operation. The integral gear teeth are hobb-cut and shaved to a surface finish of 16 micro-inches or better. The shaft diameter is precisely ground to match OEM needle bearing journals with oil feed holes in correct positions.

A worn main shaft misaligns the gear stack, causing uneven synchro and idler gear wear. Replacing it with the Motive Gear N1307L restores correct gear mesh and eliminates noise. Combined with fresh bearings and synchros, this shaft is the core of a full rebuild for another 100,000+ miles.

Your S10's transmission is making noise—don't ignore it. Replace the worn main shaft with Motive Gear N1307L and rebuild it right. Order today.
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Frequently Asked Questions

What is the primary function of Motive Gear N1307L in my automotive performance build?

This Motive Gear N1307L is designed for automotive performance applications where reliability and precision fitment are critical. The component is manufactured using quality materials that withstand the high-temperature and high-vibration environment of performance engines. Proper installation following manufacturer torque specifications ensures optimal performance and longevity. This Motive Gear N1307L should be inspected periodically for wear, especially in high-mileage or competition vehicles. For specific fitment questions, verifying compatibility with your exact vehicle year, make, and engine combination is essential before ordering.

Does Motive Gear N1307L require any special tools or modifications for proper installation?

Installing this Motive Gear N1307L typically requires standard automotive hand tools including socket wrenches, torque wrenches, and basic mechanic tools. Most applications use standard SAE or metric fasteners that match factory hardware specifications. The installation surface should be clean and free of debris, old gasket material, or corrosion before mounting this Motive Gear N1307L. Thread locker or anti-seize compound may be required depending on the component's operating temperature and vibration exposure. Always torque fasteners to the manufacturer's recommended specification using a calibrated torque wrench for best results.

What materials are used to manufacture this Motive Gear N1307L for durability and performance?

This Motive Gear N1307L is constructed from high-quality materials selected for their strength, heat resistance, and durability in automotive environments. Steel components are typically heat-treated or plated for corrosion resistance, while aluminum parts are CNC-machined for precision fitment. The material selection ensures this Motive Gear N1307L withstands operating temperatures from -40 to 300 degrees Fahrenheit in normal use. Proper installation and regular maintenance will extend the service life of this Motive Gear N1307L to 50,000 miles or more in typical driving conditions. For extreme applications like racing or towing, more frequent inspection intervals are recommended.

Can I install Motive Gear N1307L myself or should I have a professional mechanic do the work?

This Motive Gear N1307L can be installed by a skilled DIY mechanic with intermediate automotive experience and basic hand tools. The installation typically takes 1 to 3 hours depending on accessibility and the complexity of the surrounding components. You should have a repair manual or access to vehicle-specific torque specifications before beginning the installation. If the installation requires removing intake manifolds, timing covers, or other major engine components, professional installation is recommended. A professional mechanic can complete the installation in approximately 1 to 2 hours with the correct specialized tools and lift access for easier component access.

What is the warranty coverage and expected lifespan for this Motive Gear N1307L in normal street use?

This Motive Gear N1307L typically carries a manufacturer warranty of 1 to 5 years depending on the brand and product category. The expected service life in normal street-driven conditions is 50,000 to 100,000 miles for most mechanical components. Regular inspection every 12,000 miles or annually is recommended to check for wear, corrosion, or loosening of fasteners. Operating conditions such as extreme heat, salt exposure, or frequent high-RPM use can reduce service life by 30 to 50 percent. Always follow the manufacturer's installation instructions and torque specifications to maintain warranty coverage and ensure maximum service life from this Motive Gear N1307L.