8-97383066-0 BUSHING; CONNROD for ISUZU CX130B/4JJ1

Engineered to Isuzu‘s Exact Specifications

Pressed into the small-end bore of the connecting rod, the connecting rod bushing serves as a critical wear-resistant interface for the piston pin. With a precision interference fit typically between 0.03 mm and 0.05 mm, the Genuine Isuzu Bushing is engineered to remain securely fixed in the rod while the piston pin rotates within it in a “floating” configuration. This dual-fit engineering is essential for absorbing high-cycle combustion loads, reducing friction, and distributing stress across the piston and pin assembly. Aftermarket bushings, which often fail to meet Isuzu‘s stringent fitment standards, can lead to premature wear or complete seizure of the piston assembly.

Built to Withstand Friction, Temperature and Shock Loads

The connecting rod bushing must endure high-temperature splashed oil, high-frequency oscillating loads, and the risk of “scuffing” against the piston pin. Isuzu Genuine Connecting Rod Bushings are machined from specialized, high-strength bronze alloys—such as SAE 660 or leaded phosphor bronze—selected for their exceptional fatigue strength and material “embedability,” which allows minute contaminants to penetrate the soft liner rather than scoring the steel journal. To guarantee long-term reliability, each Genuine bushing is delivered semi-finished and must be honed to the final size after pressing into the rod to compensate for dimensional contraction, ensuring the final piston pin clearance aligns with Isuzu’s 0.008 – 0.020 mm specification.