Roadmax 4K465AP Serpentine Belt

Roadmax 4K465AP Serpentine Belt Overview

The Roadmax 4K465AP is a standard automotive V-ribbed belt built with EPDM and polyester cord for dependable accessory drive performance. It is a fitment-based replacement for select Toyota applications, including Toyota Yaris, Toyota Echo, and Toyota Avanza models that use a 4-rib serpentine belt layout.

Roadmax positions this Automotive V-Ribbed Belt (Standard) line for budget-conscious buyers who want a quality replacement without stepping up to a premium-duty belt. The 4K465AP part number is also useful when cross-referencing common aftermarket listings for the same application.

Key Features

• EPDM construction for modern accessory drive belt service
• Polyester cord material for stable belt reinforcement
• 4-rib design for confirmed 4K cross-section applications
• Effective length: 1181 mm (46.5 in.)
• Outside circumference: 1195 mm (47 in.)
• Top width: 14 mm (.56 in.)
• Standard Automotive V-Ribbed Belt profile

Detailed Product Description

Roadmax 4K465AP is a serpentine belt designed for accessory drive systems that route power to components such as the alternator, water pump, and, on certain Toyota Echo applications, air conditioning. The EPDM belt material is suited to everyday underhood service, while the polyester cord helps maintain belt stability across the specified 4-rib profile. If you are searching for a Toyota Yaris serpentine belt, Toyota Echo accessory drive belt, or Toyota Avanza alternator and water pump belt, this part number is a direct match for the listed applications.

This part cross-references Gates K040465 and Dayco 5040465 for the same application.

Vehicle Fitment

• Fits 2012 Toyota Yaris, Alternator and Water Pump, W/A.C.; Feb. 2012 & Older; Automotive V-Ribbed Belt (Standard)
• Fits 2006-2011 Toyota Yaris, Alternator and Water Pump, W/A.C.; Automotive V-Ribbed Belt (Standard)
• Fits 2008 Toyota Avanza, Alternator and Water Pump, W/A.C.; Automotive V-Ribbed Belt (Standard)
• Fits 2003-2005 Toyota Echo, Alternator, Water Pump and Air Conditioning, Automotive V-Ribbed Belt (Standard)
• Fits 2004-2005 Toyota Yaris, Alternator, W/A.C.; Automotive V-Ribbed Belt (Standard)
• Fits 2000-2002 Toyota Echo, N/A, W/A.C.; Automotive V-Ribbed Belt (Standard)

Common Problems This Belt Can Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or visible wear on the existing serpentine belt
• Loss of proper drive to the alternator or water pump
• Incorrect belt length or rib count on a previous replacement
• Accessory drive noise caused by belt deterioration

Installation Notes and Tips

Verify the belt routing and confirm the 4-rib, 14 mm width, and 1181 mm effective length before installation. On Toyota Yaris and Toyota Echo applications, check whether the vehicle is equipped with air conditioning and review the notes for model-year-specific coverage, including the 2012 Yaris cutoff noted for February 2012 and older vehicles. Inspect pulleys and tensioner condition during replacement to help ensure proper belt tracking.

Quality Assurance

Roadmax markets the Automotive V-Ribbed Belt (Standard) line as a quality-focused, budget-conscious replacement option for everyday service. The 4K465AP is built to the stated EPDM and polyester cord specifications for the listed Toyota fitments.