Need a reliable replacement brake drum? The ACDelco 18B146 Professional Durastop is built to last. Made from G3000 SAE qualified material and balanced for smooth operation, it meets or exceeds OE specs for fit and performance. No machining needed—it's ready to install right out of the box. Designed to dissipate heat efficiently and reduce noise, it's a trusted choice for many GM and non-GM vehicles. If you're doing a brake job, this drum offers quality and peace of mind without the dealership price tag.
• Part Number: 18B146
• Type: Rear brake drum assembly
• Material: G3000 SAE qualified cast iron
• Features: Pre-balanced, OE-design vane configuration, chamfered edges
• Compatibility: Check fit for your specific vehicle model
• Installation: No machining required, bolt-on ready
• Quality: Meets ISO/TS 16949 standards, independently tested
• Great for: DIY mechanics, professional shops, fleet maintenance
