PETERBILT 386 YEAR 2007 FRONT POLY SILENT BLOCK SPRING BUSHING W 5.437 INCH C TO C Replacement

This replacement front poly silent block spring bushing is engineered for Peterbilt 386 2007 models and compatible with select Kenworth applications. The polyurethane construction delivers superior vibration isolation and noise reduction compared to standard rubber components, making it ideal for heavy-duty commercial trucking operations that demand reliable suspension performance. Key specifications include a 5.437-inch center-to-center dimension, 1.063-inch inner diameter, and 1.750-inch outer diameter. The bushing features a 6.688-inch overall length with a 4.063-inch sleeve section, engineered for secure installation in front spring assemblies. This high-quality aftermarket component replaces OEM numbers 52375, B656005, and B65-6005, offering dependable functionality at a competitive price point. The poly silent block design provides enhanced durability and extended service life in demanding transportation environments. The bolt-type sleeve configuration ensures proper alignment and secure mounting within the spring suspension system. Built to withstand the rigorous demands of commercial fleet operations, this bushing minimizes noise transmission and maintains structural integrity through thousands of operating hours. Suitable for fleet maintenance programs, independent repair shops, and owner-operator maintenance, this replacement bushing represents a cost-effective solution for suspension system renewal. Installation is straightforward for qualified technicians familiar with Peterbilt suspension systems, reducing downtime and labor costs associated with spring assembly servicing. Original Model: PETERBILT 386 YEAR 2007 FRONT POLY SILENT BLOCK SPRING BUSHING W 5.437 INCH C TO C