Prothane 18-803-BL Rear Frame Shackle Bushing Kit Polyurethane Black

The Prothane 18-803-BL is a rear frame shackle bushing kit designed as a direct replacement for worn or deteriorated factory rubber bushings on Toyota 4WD trucks and SUVs. Manufactured from Prothane's proprietary black polyurethane compound, these bushings deliver superior durability, improved chassis feedback, and a firmer, more responsive suspension feel compared to OEM rubber.

Polyurethane resists compression set, oils, greases, and environmental exposure far better than stock rubber — meaning these bushings hold their shape and performance characteristics far longer under demanding on-road and off-road conditions. The result is tighter handling, reduced suspension flex, and more predictable vehicle dynamics.

Key Features:

• Material: High-performance black polyurethane (Durometer rated for suspension use)
• Color: Black
• Direct OEM replacement fit — no modifications required
• Resists oil, grease, ozone, and UV degradation
• Improved suspension response and reduced slop versus factory rubber
• Includes all necessary bushings for a complete rear frame shackle replacement
• Made in the USA by Prothane

Prothane's polyurethane suspension components are a trusted upgrade for enthusiasts seeking longer-lasting performance and enhanced handling without sacrificing ride quality. Installation follows standard bushing replacement procedures and is suitable for experienced DIY installers.