Roadmax 4K345AP Serpentine Belt

Roadmax 4K345AP Serpentine Belt Overview

The Roadmax 4K345AP is an OE performance, standard automotive V-ribbed belt built with EPDM and a polyester cord for dependable accessory drive operation. It is sized for 4-rib applications with a 14 mm top width and an effective length of 875 mm, making it a direct replacement choice for a wide range of belt-driven systems.

Roadmax’s Automotive V-Ribbed Belt (Standard) line is aimed at budget-conscious buyers who want solid quality without stepping up to a premium-performance belt. The 4K345AP is a practical option for routine maintenance on vehicles such as the Hyundai Elantra, Toyota Corolla, and Dodge Neon.

Key Features

• EPDM construction for durable belt service
• Polyester cord material for stable reinforcement
• 4-rib design for accessory drive applications
• 14 mm top width and 875 mm effective length
• OE performance grade for standard replacement use
• Cross-references to common aftermarket and OE part numbers

Detailed Product Description

Roadmax 4K345AP is a serpentine belt designed for accessory drive systems that use a 4-rib V-ribbed profile. Its EPDM rubber construction helps it maintain form under heat and everyday engine bay conditions, while the polyester cord supports consistent tension and belt tracking. With an outside circumference of 889 mm, this belt is sized for applications calling for a 34.44-inch effective length.

This part cross-references Gates K040345 and Dayco 5040345 for the same application. It is also listed for fitment across multiple makes and models, including Hyundai Elantra, Toyota Corolla, and Dodge Neon, along with many other vehicles in alternator, air conditioning, power steering, and water pump drive positions.

What This Belt Helps Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or visible wear on the belt surface
• Loss of proper drive to the alternator, A/C compressor, or power steering system
• Belt stretch or poor tension retention in aging service
• Routine replacement during scheduled belt maintenance

Installation Notes and Fitment Tips

Fits 2004-2006 Hyundai Elantra, alternator. Fits 1996-2003 Hyundai Elantra, water pump and alternator. Fits 2003-2005 Dodge Neon, alternator. Fits 1995-1999 Dodge Neon, alternator. Fits 1995-1997 Toyota Corolla, air conditioning. Fits 1994 Toyota Corolla, air conditioning. Fits 2001-2010 Chrysler PT Cruiser, alternator. Fits 1994-2001 Acura Integra, air conditioning. Fits 1996-1998 Toyota 4Runner, air conditioning. Fits 1995-1998 Toyota Tacoma, air conditioning. Fits 1994-1998 Lexus ES300, power steering.

Before installation, confirm rib count, belt length, and accessory drive routing against the original belt or service information. Verify the application position listed for your vehicle, since this belt is used in alternator, air conditioning, power steering, fan and alternator, and water pump and alternator positions across different models.

Quality Assurance

Roadmax positions this belt as an OE performance replacement within its standard V-ribbed belt line, using EPDM and polyester reinforcement for everyday service demands. The part number 4K345AP is cataloged against a broad range of confirmed applications for straightforward replacement selection.

Compatible vehicle keywords include Hyundai Elantra, Toyota Corolla, and Dodge Neon, and the 4K345AP part number is commonly searched for standard serpentine belt replacement needs.