3960345 Accessory Drive Gear

3960345 Accessory Drive Gear for Cummins Engine 4B3.9 6B5.9 ISB QSB

Accessory Drive Gear 3960345 Compatibility with Cummins Engines

This part is designed to fit a variety of Cummins engines. It plays a role in the engine’s operation by driving various accessories such as the alternator, water pump, and air conditioning compressor.

Compatible Engines

4B3.9

6B5.9

B5.9 CM2670 B166C

B5.9 GAS PLUS CM556

ISB3.9 CM2220 B107

ISB5.9 CM2880 B127

QSB3.9 CM2880 B138

QSB5.9 CM2880 B139

Grouping of Compatible Engines

The Accessory Drive Gear 3960345 is compatible with both the 3.9L and 5.9L engine variants. Here is a breakdown of the compatibility:

3.9L Engines:

4B3.9

ISB3.9 CM2220 B107

QSB3.9 CM2880 B138

5.9L Engines:

6B5.9

B5.9 CM2670 B166C

B5.9 GAS PLUS CM556

ISB5.9 CM2880 B127

QSB5.9 CM2880 B139

This part is engineered to ensure a precise fit and reliable performance across these engine models, facilitating the smooth operation of essential engine accessories.