Frequently Asked Questions About International 4700-4900 Drum Brake Parts

Which drum brake parts are compatible with my specific International 4700 or 4900 model year?

International 4700 and 4900 trucks manufactured between 1989-2001 typically use 16.5" x 7" drum brakes with Q-Plus brake shoes. However, specifications can vary based on your truck's GVWR and configuration. Always verify compatibility by checking your VIN plate or brake assembly casting numbers. Most aftermarket parts are designed to fit multiple years within this range, but axle manufacturers (Meritor, Dana, Eaton) may require specific components. We recommend having your brake assembly measurements and part numbers ready when ordering.

How difficult is it to replace drum brake components on these trucks, and what special tools do I need?

Drum brake replacement on International 4700-4900 trucks requires intermediate mechanical skills and specific tools. You'll need a brake spring tool kit, drum puller, brake adjustment gauge, and proper jack stands rated for commercial vehicles. The most challenging aspects include removing seized drums and properly adjusting slack adjusters. Many customers report spending 3-4 hours per axle for complete brake jobs. Professional installation is recommended if you lack experience with air brake systems, as improper installation can compromise safety and violate DOT regulations.

What's the difference between standard and heavy-duty brake shoes, and which should I choose?

Standard brake shoes typically feature 4720 or 4707 friction material suitable for normal highway and local delivery use. Heavy-duty options use 4709 or higher-grade friction materials designed for severe service, frequent stops, or mountainous terrain. Heavy-duty shoes generally last 20-30% longer but cost more upfront. For trucks regularly hauling near maximum capacity or operating in stop-and-go conditions, heavy-duty shoes provide better value. Standard shoes work well for highway driving and lighter loads.

How often should I inspect and replace drum brake components on my International 4700 or 4900?

DOT regulations require brake inspections every 90 days or 25,000 miles for commercial vehicles. Brake shoes typically last 50,000-100,000 miles depending on application, while drums can last 150,000-250,000 miles with proper maintenance. Replace shoes when lining thickness reaches 1/4 inch at the thinnest point. Drums should be replaced when they exceed maximum diameter specifications (usually stamped on the drum) or show heat cracks, scoring deeper than 0.060 inches, or oval wear exceeding 0.015 inches.

Are aftermarket drum brake parts as reliable as OEM parts for these International trucks?

Quality aftermarket brake components from established manufacturers like Gunite, Webb, Meritor, and ArvinMeritor meet or exceed OEM specifications and often cost 30-50% less. These brands supply original equipment to International and maintain the same manufacturing standards. Avoid extremely cheap no-name brands, as they may use inferior friction materials or improper metallurgy. Look for parts that meet FMVSS 121 standards and carry DOT certification markings. Most reputable aftermarket parts include warranties comparable to OEM components.