Description
Heavy-duty V‑ribbed / serpentine belt
Ribs: 6 (K06)
Effective Length: 98.88 in
Outside Length: ~99.45 in
Width: ~0.80 in (~20 mm)
Material: EPDM rubber w/ polyester cords
Series: FleetRunner (HD = heavy-duty)
Typical Applications
Medium-duty trucks (8.1L GM engines commonly)
Chevy Kodiak C4500 / C5500 (2003–2005)
GMC TopKick C4500 / C5500
Workhorse chassis (W22, motorhome platforms)
Used for:
Alternator
Power steering
A/C
Fan drive
Cross References (common)
Dayco 5060988 / 204298
Gates K060988 (standard duty)
Goodyear 4060988 / 4060987
NAPA 6K988 / 25‑060988HD
Continental 4060988
Quick Breakdown of Part Number
K = serpentine belt
06 = 6 ribs
0988 = ~98.8″ length
HD = heavy-duty (FleetRunner, longer life)

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