This aftermarket replacement 7x51 Pinion Shaft is engineered to provide a reliable and cost-effective solution for your Renault tractor's rear axle differential. Designed to directly replace the original equipment part number 7700028580, this non-OEM drive pinion gear ensures proper power transmission within the differential assembly. The '7x51' designation indicates a specific gear ratio, with 7 teeth on the pinion and 51 teeth on the crown wheel, crucial for maintaining the correct speed and torque characteristics of your tractor's drivetrain. Compatible with various Renault tractor models, including the popular Ceres, Ares, and Ergos series, this aftermarket pinion shaft is manufactured to meet demanding operational standards. It plays a critical role in transferring rotational power from the driveshaft to the differential, ultimately driving the wheels. Choosing an aftermarket alternative like this allows for significant savings while restoring the functionality of your agricultural machinery. Ensure precise fitment and optimal performance by verifying compatibility with your specific Renault tractor model before purchase. This is a high-quality, non-original part designed for long-lasting service in demanding agricultural environments.