Idler Pulley Cummins 5309066 | 5254598

Reliable Belt Tensioning for Cummins Engines

The 5309066 Idler Pulley is a critical component in the accessory drive system of your Cummins engine. Designed to guide and support the drive belt, it ensures consistent tension and alignment, preventing slippage and premature wear on vital components like the water pump, alternator, and air conditioning compressor.

Key Features and Benefits

• Precision Engineering: Manufactured to exact specifications for smooth operation and reduced vibration within the belt-driven system.
• Enhanced Durability: Built with high-quality materials to withstand the high-stress environment and rigorous demands of commercial truck use.
• System Protection: Maintains the correct path for the belt, reducing wear on the belt itself and protecting the bearings of driven accessories.
• Noise Reduction: Optimized design helps minimize operating noise for a smoother-running engine.

Compatibility

This idler pulley is specifically designed for a wide range of Cummins small-displacement diesel engines, including:

• F2.8 Series: CM2620 F135B, CM2220 F117, CM2220 F129
• QSF2.8 Series: CM2880 F104, CM2880 F105, CM2880 F108, CM2880 F114
• R2.8 Series: CM2220 R101B

Specifications

• Weight: 1.5 lb
• Package Dimensions: 4.53 x 4.33 x 4.53 in