Skip to product information
Honda Sportrax 300 TRX300EX Rear Brake Caliper & Master Cylinder w/Pads

Honda Sportrax 300 TRX300EX Rear Brake Caliper & Master Cylinder w/Pads

Write A Review
Alligator_819_x_200_px - Northline Parts

The Aftermarket Parts Specialists

$59.99
Sale price  $59.99 Regular price 

Available to order.

Ships in 2–4 business days.
Product Type:
Fast & FREE Shipping! Estimated delivery between

Not sure which part fits your equipment?

Our parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7

Call us

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Product Overview

The Rear Brake Caliper & Master Cylinder Kit for Honda Sportrax 300 TRX300EX is a comprehensive braking assembly designed to restore stopping power and hydraulic control to your all-terrain vehicle. This complete kit includes the rear brake caliper pre-loaded with brake pads alongside a matching master cylinder to ensure efficient hydraulic pressure delivery. It serves as a direct aftermarket replacement solution to fix spongy brake levers, leaking seals, or frozen calipers on your classic sport ATV model.

Key Features & Performance

  • Complete rear brake kit including caliper, master cylinder, and brake pads
  • Provides reliable hydraulic performance for consistent stopping power on trails
  • Pre-loaded with fresh brake pads for a quick install and immediate renewal
  • Direct replacement components engineered for simple installation and line bleeding

Fitment & Compatibility

  • for Honda Sportrax 300 TRX300EX 2x4

Common Uses

  • Replacing leaking or rusted rear brake master cylinders on ATVs
  • Overhauling sticking or frozen rear brake calipers with low fluid pressure
  • Restoring original braking responsiveness and safety for trail riding

Technical Specifications

  • Product Type: Brake Caliper & Master Cylinder Kit
  • Part Number(s): 43510-HN1-006, 43510-HN1-016, 43510-HM3-305/A62
  • Brand Compatibility: for Honda
  • Model Compatibility: Sportrax 300 TRX300EX
  • Placement on Vehicle: Rear

Frequently Asked Questions

Q: Does this rear brake assembly include the brake pads? A: Yes, the rear brake caliper arrives pre-loaded with fresh brake pads for your convenience.

Q: How do I confirm this kit will fit my specific ATV model? A: You should verify that your existing equipment matches the Honda Sportrax 300 TRX300EX model line or cross-reference your factory part numbers with the listed specifications.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.

Customers also purchased

Keywords (Used as search references only) View IP policy.