This brand-new idler pulley assembly is a direct replacement for Cummins 88NT and 855 series engines. Engineered to maintain proper belt alignment and tension, this component plays a critical role in the accessory drive system. Built to OEM specifications, it ensures durability, smooth operation, and long service life in heavy-duty diesel applications.

Fits:

  • Cummins 88NT

  • Cummins 855

OEM Reference:

  • 3065000

Condition: New, high-quality aftermarket replacement
Application: Accessory drive system – idler pulley assembly

Features & Benefits:

  • Maintains proper belt routing and tension

  • Reduces risk of premature belt wear or failure

  • Precision-machined for accurate alignment and fit

  • Heavy-duty bearing for long-term performance

  • Ideal for rebuilds or preventative maintenance

Weight
Dimensions

We offer free standard ground shipping within the USA! If you need your parts in a hurry and would like to get them overnighted or expedited, please give us a call !

NOTE - CUT OFF TIME FOR SAME DAY SHIPPING IS 3PM CENTRAL TIME. ORDERS PLACED AFTER 3PM WILL SHIP OUT NEXT BUSINESS DAY. NEXTDAY SHIPMENTS THAT DO NOT ARRIVE ON TIME ARE NON-REFUNDABLE.
-FOR ORDERS INCLUDING HEAVY ITEMS(INFRAME KITS, HEADS,ETC.) PLEASE CHOOSE THE CORRECT SHIPPING AT CHECKOUT
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

NOTE - All open orders will have a 20% restocking fee. All returns will have a shipping fee.
1 YEAR WARRANTY
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88NT 855 IDLER PULLEY ASSEMBLY (BACKSIDE) | 3065000

$66.00

Engine Serial Number
SKU: 3065000 Category: