Caliso 525K4 Poly V Serpentine Belt - 4-Rib 52.5in

The Caliso 525K4 is a K-section Poly V serpentine belt featuring 4 ribs and a 52.5-inch pitch length (53.25-inch outside circumference). Designed as a direct OEM-equivalent replacement, this belt restores proper function to the engine's accessory drive system, powering components such as the alternator, water pump, and air pump.

Key Features:

• Belt Type: K-Section Poly V (serpentine / micro-rib)
• Number of Ribs: 4
• Pitch Length: 52.5 inches
• Outside Circumference: 53.25 inches
• Width: 0.56 inches
• EPDM rubber compound construction for durability and heat resistance
• Polyester fiber tensile members for low stretch and fatigue resistance
• Abrasion, oil, and chemical resistant ribbed design
• Temperature stable across a wide operating range

Cross-Reference Part Numbers: Dayco 5050845, Gates K050845, Napa 25-K050845, Goodyear 4050845, Bando 5PK2120, K040525

The 525K4 serpentine belt is a reliable replacement for worn or damaged drive belts, helping maintain optimal performance of engine-driven accessories and reducing the risk of belt-related breakdowns.