Keep the alternator, air conditioning, fan and other belt-driven accessories turning with a fresh Dayco Serpentine Belt (P/N 5080820). This EPDM, aramid-reinforced poly-rib belt drops in as a direct-fit replacement for the listed applications, including the 1989-1991 Dodge D250, D350, W250 and W350 [L6-5.9L], 2000-2003 Ford F-650 and F-750 [L6-7.2L], 2006-2007 and 2009-2010 Freightliner M2 106, and 2014-2019 Peterbilt 389 [6-12.9L] — see the Buyer's Guide tab for the full 47-application list.
A serpentine belt loops over the accessory pulleys to transfer crankshaft rotation to the alternator, air-conditioning and fan drive on this main accessory drive. Chirping or squealing, visible cracking or glazing, and missing rib material are signs the belt may need replacing. Country of origin: Mexico.
Interchange: 8K817 · 8K820 · K080820HD · 821K8 · 8PK2080 · 8PK2085 · 8PK2090 · K080820 · 4080820 · 4080820X · PK080820 · 820K8 · 1080820 · 820K8MK · JK8-825 · JK8825 · JK8826 · 25-080820 · 25080820 · 25-080820HD · 25080820HD · Manufacturer part number 5080820.
This part cross-references / interchanges with the following part numbers:
What accessories does this belt drive?
It routes over the accessory pulleys to transfer crankshaft rotation to components such as the alternator, air-conditioning compressor and fan on the listed applications.
What is the belt made of?
It is an EPDM, aramid-reinforced poly-rib belt in black, built to SAE J1459 and SAE J2432 standards.
How many ribs does it have?
It has 8 ribs in a K-section with a straight rib profile and standard rib depth, with a top width of 1.10 in.
What are its dimensions?
Effective length is 82.09 in (2085.09 mm) and outside circumference is 82.72 in (2101.09 mm).
How do I know if it needs replacing?
Signs the belt may need replacing include chirping or squealing, visible cracking or glazing, or missing rib material. Diagnose the cause before replacing.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
