Caliso 243K3 Poly V Serpentine Belt K-Series Pitch - 3-Rib 24.3in

The Caliso 243K3 is a K-Series Poly V serpentine belt engineered for reliable accessory drive performance. Featuring a 3-rib profile with a 24.3-inch pitch length and 25.05-inch outside circumference, this compact multi-ribbed belt is designed to deliver smooth, consistent power transfer to engine accessories such as the water pump, alternator, and power steering pump.

Key Features:

• Belt Type: K-Series Poly V (multi-ribbed serpentine belt)
• Pitch Length: 24.3 inches (25.05 in. outside circumference)
• Rib Count: 3 ribs
• Belt Width: Approximately 0.42 inches
• EPDM rubber compound construction for heat and ozone resistance
• Polyester tensile cord reinforcement to minimize belt stretch
• Fiber-reinforced rib stock for reduced noise on worn or misaligned pulleys
• Temperature stable performance across a wide operating range

Cross-Reference Part Numbers:

• Gates: K030243
• Dayco: 5030243
• Goodyear: 4030243
• NAPA: 25-030243
• Bando: 3PK0617
• ACDelco: 3K243
• General Motors: 12555597, 12555957, 12557551, 12570499, 12588412

The 243K3 serpentine belt is a widely used OEM-specification replacement part, making it a trusted choice for professional technicians and DIY mechanics alike.