189-2216 Belt Serpentine for CAT Excavator: Reliable OEM Drive Belt
A failing serpentine belt can lead to the sudden loss of critical engine accessories on your job site. The 189-2216 Belt Serpentine for CAT EXCAVATOR is the genuine OEM drive belt designed for reliable performance in your Caterpillar® 326, 330, 333, 336, and 340 series machines. Also referenced as part number 1892216, this belt is engineered to the exact specifications of your excavator, ensuring the water pump, alternator, hydraulic fan, and air conditioning compressor operate seamlessly.
Exact Fit for Cat® Next Generation Excavator Models
This CAT excavator serpentine belt is a direct replacement for the engine accessory drive system in the following specific models and their common variants:
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For Cat 326 Excavator: Fits 326D, 326D L, and 326D2 models.
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For Cat 330 Excavator: Fits 330D, 330D L, 330D2, 330D2 L, 330GC, and 330 Next Gen models.
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For Cat 333 Excavator: Fits 333G and 333 Next Gen models.
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For Cat 336 Excavator: Fits 336D, 336D L, 336D2, 336D2 XE, 336GC, 336 Next Gen, and 336F L models.
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For Cat 340 Excavator: Fits 340D, 340D L, and 340 Next Gen models.
For a guaranteed fit, always match your machine’s model and serial number. Using the correct 189-2216 serpentine belt ensures proper tension, alignment, and longevity for all driven accessories.
Why Choose This Genuine CAT Serpentine Belt?
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OEM Quality for Precise Fit & Durability: This genuine CAT engine belt is manufactured with the exact length, width, and rib profile required for your excavator’s specific drive system. It is built from high-quality materials to resist cracking, stretching, and wear under demanding conditions.
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Prevents Costly Downtime & Overheating: A broken belt immediately stops the water pump and hydraulic fan, leading to rapid engine overheating and potential severe damage. Regular replacement with an OEM belt is a simple, preventative maintenance step.
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Ensures Continuous Operation of Vital Systems: This single drive belt powers the alternator (charging system), hydraulic cooling fan, and air conditioning compressor. A reliable belt is essential for maintaining cab comfort, battery charge, and optimal hydraulic temperature.
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Easy Installation & Peace of Mind: As the exact factory part, installation is straightforward with the proper tensioning procedure. Using a genuine belt eliminates guesswork and the risk of incorrect fitment that can cause premature failure.
Product Specifications & Overview
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Genuine Part Numbers: 189-2216 / 1892216.
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Component Type: Serpentine Belt (Multi-Ribbed Drive Belt).
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Function: Transfers power from the engine crankshaft pulley to multiple accessory pulleys, driving the cooling system, charging system, and other key components.
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Application: A critical engine maintenance part and wear item for the accessory drive on Cat 300 Series hydraulic excavators.
Symptoms of a Worn or Failing Serpentine Belt
Inspect and replace your belt with 189-2216 if you notice any of these warning signs:
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Squealing Noise: A high-pitched squeal on startup or during operation, often indicating slippage.
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Visible Damage: Cracks on the ribbed side (glazing), fraying on the edges, or missing ribs.
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Accessory Failure: Warning lights for high coolant temperature, low battery voltage, or loss of air conditioning.
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Belt Breakage: Complete failure, resulting in immediate loss of multiple systems.
Order Your CAT Excavator Serpentine Belt Today
Avoid unexpected breakdowns. Our genuine 189-2216 serpentine belt for CAT 326 330 333 336 340 excavators is an essential spare part for your maintenance inventory.
Click to order the CAT 189-2216 Serpentine Belt. Contact us with your machine serial number for confirmation.
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