Caliso 353K4 FVP Poly V Multi-Rib Serpentine Belt K-Section 4 Rib 35.3"

The Caliso 353K4 is an FVP-specification K-section Poly V multi-rib serpentine belt featuring a 35.3-inch pitch length and 4 ribs. Designed as a direct OEM replacement, this belt restores the accessory drive belt system to factory performance specifications.

Key Features:

• Belt Type: K-Section Poly V (Multi-V / Multi-Rib), 4-Rib configuration
• Pitch Length: 35.3 inches (Outside Circumference approximately 36.05 inches)
• Construction: EPDM rubber compound with polyester fiber tensile cord reinforcement
• Straight ribbed belt design for efficient, low-slip power transmission
• Highly flexible — compatible with small pulley diameters and reverse-tensioning idler setups
• Abrasion, oil, and chemical resistant outer surface
• Temperature stable from -30°F to 140°F

Poly V belts are used to simultaneously drive peripheral engine accessories such as the alternator, power steering pump, water pump, and air conditioning compressor from a single belt drive system. The K-section multi-rib design delivers superior power transfer efficiency compared to traditional V-belts while occupying less space. This belt is also sold under the FVP part number 353K4 and may cross-reference to equivalent K4 series belts from other manufacturers.