Multi-Purpose Bushing Cummins 4891178 | 3941476, 3901085

High-Performance Engine Bushing

The Cummins 4891178 is a precision-engineered multi-purpose bushing designed for heavy-duty commercial truck engines. This component acts as a high-quality plain bearing, providing a low-friction interface between critical moving parts to ensure smooth operation and extended component life.

• Reduces Wear: Minimizes friction between mating surfaces, protecting engine components from premature failure.
• Vibration Dampening: Helps absorb shock and reduce noise within the mechanical system.
• Superior Durability: Manufactured to meet demanding performance expectations and provide the radial strength needed for heavy-duty applications.

Engine Compatibility

This bushing is integral to various engine systems, including block assemblies and connecting rod journals. It is compatible with a wide range of Cummins engines:

• Cummins B Series: B3.3, B4.5, B5.6, B5.9, B6.7
• Cummins ISB Series: ISB 3.9, ISB 4.5, ISB 5.9, ISB 6.7
• Cummins G Series: G5.9
• Cummins D Series: D4.0

Technical Specifications

• Weight: 0.155 lb
• Dimensions: 2.86 x 2.46 x 2.46 inches
• Material: High-grade composite/metal for low-friction performance