Caliso 420K6 Poly V Serpentine Belt 6-Rib 42 Inch K-Section

The Caliso 420K6 is a K-section Poly V (multi-ribbed) serpentine belt engineered for reliable power transmission in automotive accessory drive systems. With a 6-rib profile and an effective length of 42.0 inches (outside circumference approximately 42.5 inches), this belt is a direct-fit replacement for a wide range of passenger car and light truck applications.

Key Features:

• K-Section (Poly V / Multi-Rib) Profile — 6 ribs for optimal belt-to-pulley contact and efficient power transfer
• 42.0-inch effective length with an approximate 42.5-inch outside circumference
• 0.82-inch top width and 0.17-inch thickness for precise fitment
• Designed to drive critical engine accessories including alternators, water pumps, power steering pumps, and air conditioning compressors
• Constructed to withstand high temperatures and heavy accessory loads
• Resists stretching, cracking, and glazing for long service life

Cross-Reference Part Numbers:

• Gates: K060420 / K060420HD
• Dayco: 5060420
• Continental: 4060420
• ACDelco / O'Reilly: 6K420
• NAPA: 25060420
• Bando: 6PK1070
• Goodyear: 6PK1067 / 1060420
• Mopar: 4792071 / 04792071AB

The 420K6 serpentine belt is a high-demand replacement part suitable for a broad range of domestic and import vehicles. Always verify the belt routing diagram before installation to ensure proper tensioner and pulley engagement.