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Peterbilt of Knoxville · Cooling System
D84-1000-306131
In stock · ships from Knoxville
This is a heavy-duty poly serpentine belt, typically 6-rib, used to drive engine accessories like the cooling fan, alternator, and water pump on commercial trucks.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
Replacing a worn or cracked belt helps prevent overheating and accessory failure. Although the exact part number D84-1000-306131 is not widely documented, it closely matches the Dynacraft Poly Belt 6 Rib series and likely follows Paccar’s part numbering for belts by rib count and effective length.
Part Number: D84-1000-306131
BELT
Vendor: Peterbilt of Knoxville
Dealer: KP Services Crossville
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