Fan belt for Cummins ISZ13L diesel engines, aftermarket multi-rib drive belt used to transmit power for cooling fan and engine accessory system. All part numbers are cross-referenced against OEM specs for direct matching.

Part numbers: 5580036, 4389194, 10PK2386
Fits: Cummins ISZ13L diesel engine
Position: Engine accessory drive system, fan drive belt

What you are ordering
Price is per fan belt. All part numbers are separate variants, please select the correct PN from variant options. These belts are not interchangeable. Different part numbers have different rib quantity, length and load rating. Wrong selection will lead to belt slipping, abnormal noise and premature breakage.

Specifications
Material: high strength rubber composite with tension cord
Structure: 10PK multi-ribbed belt
Dimension & load rating: matched to OEM specification
Finish: heat resistant, oil resistant, anti-abrasion, stretch controlled
Packing: individual protective bag, marked with part number

When to replace
Replace the fan belt when cracked, chipped, glazed, stretched or with hidden fiber damage. Common failure signs: squealing noise, belt slippage, power loss of fan and accessories. Replace belt together with tensioner during routine maintenance.

Fitting notes
Strictly confirm engine serial number before ordering. Do not install belts of different specifications interchangeably. Follow Cummins service manual for belt routing and tension adjustment. If you are not sure which PN matches your engine, send us engine serial number for confirmation.

Warranty and shipping
Covered by a 12-month warranty against manufacturing defects. Orders are dispatched within 3–7 business days; DHL / FedEx delivery takes 5–10 business days. Tracking number is sent as soon as the parcel leaves our warehouse.

Note: manufacturer names and part numbers are used for identification and cross-referencing only. We are an independent aftermarket supplier and are not affiliated with, or authorised by, the original manufacturer. Please verify the part number against your engine's parts catalogue before ordering — our team is happy to help if you send us your engine model or serial number.