The NAPA 25-040345 Micro-V AT Serpentine Belt is a premium OEM-quality replacement accessory drive belt designed to deliver dependable power transmission and long-lasting performance. Featuring a 4-rib (4PK875) configuration, this Micro-V AT belt is engineered to drive essential engine accessories such as the alternator, air conditioning compressor, water pump, and power steering pump, depending on the vehicle application.
Constructed from advanced EPDM rubber with reinforced tensile cords, the belt is designed to resist heat, cracking, stretching, and wear under demanding operating conditions. Its precision rib profile improves pulley contact, reduces slippage, and promotes smooth, quiet operation while maintaining consistent accessory performance throughout its service life.
Ideal for replacing a worn or damaged serpentine belt, the NAPA 25-040345 restores reliable accessory drive performance and OEM-level fit. Its direct-fit design allows for straightforward installation and dependable operation in compatible vehicle applications. Always verify compatibility before purchase.
Key Features
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4-Rib Configuration: Designed for reliable accessory drive operation.
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Direct Fit Installation: Designed for quick and hassle-free replacement.
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EPDM Rubber Construction: Resists heat, cracking, and premature wear.
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Micro-V AT Design: Provides excellent pulley grip and efficient power transfer.
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Smooth & Quiet Performance: Reduces belt noise and slippage during operation.
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Reinforced Tensile Cords: Help minimize stretching and maintain proper belt tension.
- OEM-Quality Replacement: Engineered for dependable fit and long-lasting performance.
Specifications
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Brand: NAPA
- Rib Count: 4 Ribs
- Part Number: 25-040345
- Interchange Size: 4PK875
- Product Type: Micro-V AT Serpentine Belt