Product Description: High-Performance Rear Brake Caliper for Sportrax 400 TRX400EX Upgrade your ATV’s braking system with our top-tier Rear Brake Caliper, crafted to deliver exceptional stopping power and reliability. Fitment: Specifically designed as a replacement for the Sportrax 400 TRX400EX models from 1999 to 2004. This brake caliper is a perfect aftermarket replacement, engineered to meet the original specifications for a seamless fit and reliable performance. OEM Number: The reference OEM number for this rear brake caliper is 43310 HN1 003. It serves as an ideal choice for refurbishing or replacing worn-out rear brake calipers, ensuring your ATV maintains optimal braking efficiency. High Performance Braking Force: Engineered to provide powerful braking force, this rear brake caliper enables quick deceleration or stopping, significantly enhancing rider safety and control during every ride. Enhanced Braking Effectiveness: This brake caliper improves the overall braking effectiveness of your vehicle, offering responsive and consistent braking power. Enjoy a safer and more enjoyable riding experience with reliable stopping capabilities. Durable Metal Construction: Made from high-quality metal, this brake caliper is designed for strength and longevity. Its rust-resistant surface treatment ensures long-lasting wear resistance and maintains the caliper’s structural integrity over time. Enhance your ATV's performance with our Rear Brake Caliper, providing the powerful, reliable braking you need for safer adventures. Its durable construction and superior design make it an essential upgrade for any off-road enthusiast seeking enhanced control and safety.