This new fan belt tensioner is a direct replacement for Cummins ISX15 and X15 engines, designed to maintain consistent belt tension and ensure reliable operation of your engine’s accessory drive system. Engineered to meet or exceed OEM specifications, it’s built for long-term durability in the most demanding on-highway conditions.

OEM Cross Reference Numbers:

  • Cummins 2871292

  • Cummins 3682946

  • Cummins 4299051

  • Cummins 3691282

  • Mack 2428-89440

Condition: Brand new, high-quality aftermarket replacement
Application: Belt tensioning for accessory drive / fan system

Features & Benefits:

  • Maintains optimal belt tension under all load conditions

  • Prevents belt slippage and premature wear

  • Precision-balanced and sealed for long service life

  • Direct bolt-on installation – no modifications required

  • Compatible with OE pulleys and serpentine belts

Weight

2.572 kg

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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3691282 | CUMMINS ISX15 / X15 FAN BELT TENSIONER

$200.00

Engine Serial Number