Caliso 510K5 Poly V Serpentine Belt K-Section Micro-V - 5-Rib 51in

The Caliso 510K5 is a K-section Poly V serpentine belt engineered to deliver reliable, long-lasting performance as a direct OEM replacement for automotive accessory drive systems. Featuring a 5-rib micro-V profile with a 51-inch pitch length and 51-3/4-inch outside circumference, this belt is built to exacting dimensional standards for proper fit and function.

Constructed with heat and ozone-resistant EPDM rubber, the 510K5 maintains its integrity across a wide operating temperature range. Polyester fiber tensile cords resist stretching and help maintain consistent belt tension over the life of the part. The straight-ribbed design maximizes belt-to-pulley surface contact, improving power transfer efficiency and reducing slippage.

Key Features:

• K-section Poly V (micro-V / serpentine) belt design
• 5 ribs — belt width: 0.70 in (17.80 mm)
• Pitch length: 51.0 in (1295 mm)
• Outside circumference: 51-3/4 in (1314 mm)
• EPDM rubber construction — heat, ozone, and chemical resistant
• Polyester tensile cord for reduced stretch and long belt life
• Temperature stable from -30°F to 140°F
• Meets or exceeds OEM fit, form, and function requirements

Cross-Reference Part Numbers: Dayco 5050510, Gates K050510, Napa 25-050510, Goodyear 4050510, Bando 5PK1295

The Caliso 510K5 is a dependable choice for technicians and DIYers seeking a quality replacement serpentine belt that installs without modification and delivers consistent, quiet operation.