Caliso 1187K6 Serpentine Belt 6-Rib 118.7" Poly-V Drive Belt

The Caliso 1187K6 is a heavy-duty 6-rib Poly-V serpentine belt engineered for reliable power transmission in automotive and light-duty applications. Featuring a K-section (PK) rib profile, this belt measures 118.7 inches (approximately 3013mm) in outside circumference with 6 longitudinal ribs for superior grip and load distribution across the drive system.

Key Features:

• 6-Rib K-Section (6PK) Profile — matches OEM serpentine belt configurations across a wide range of vehicles
• 118.7" Effective Length — precise sizing for proper tensioning and fitment
• Poly-V Construction — multiple V-ribs provide increased surface contact for efficient torque transfer with minimal slip
• Heat and Flex Resistant Compounds — formulated to withstand high underhood temperatures and continuous flexing cycles
• Quiet Operation — rib profile design minimizes noise and vibration during operation
• Direct Replacement — cross-references to industry-standard 1187K6 / 6PK3013 belt specifications

The Caliso 1187K6 serpentine belt is a dependable OEM-style replacement for accessory drive systems powering the alternator, power steering pump, air conditioning compressor, and water pump. Its Poly-V design ensures consistent performance across the full service life of the belt.