Cloyes B40278 Accessory Drive Belt Kit

Accessory Drive Belt Kit Overview

Cloyes B40278 is a specific-fit accessory drive belt kit for vehicles using a grooved serpentine belt setup. It is built as a standard replacement solution for restoring belt drive performance in Ford and Lincoln applications.

This kit is relevant for Ford Flex, Ford Edge, Ford Explorer, Ford Police Interceptor Utility, Lincoln MKT, Lincoln MKX, Lincoln MKS, and Lincoln MKZ applications covered by the fitment data. Part number B40278 is also cross-referenced to BK4227 for the same application.

Key Features

• Specific-fit accessory drive belt kit for direct application matching.
• Standard replacement grade for routine belt system service.
• Grooved black belt construction for serpentine drive use.
• Supports complete accessory drive system repair with matched components.

Detailed Description

Cloyes B40278 is intended for accessory drive systems where belt condition, pulley alignment, and tension control affect operation. The kit format supports a more complete repair than replacing a single worn component, helping restore consistent belt tracking and system function. With a grooved belt design and specific-fit application coverage, B40278 is suited to Ford and Lincoln vehicles that require a matched accessory drive service part. If you are servicing a Ford Edge, Ford Explorer, or Lincoln MKZ, this kit provides a focused replacement option for the belt drive system.

Common Issues This Part May Address

• Squealing or chirping from a worn accessory drive belt.
• Belt cracking, stretching, or visible wear.
• Improper belt tracking caused by worn drive components.
• Reduced accessory drive performance from aging belt system parts.
• Noise or vibration in the serpentine belt drive system.

Installation Notes and Tips

Verify engine and accessory drive configuration before ordering, especially on Ford Explorer and Ford Police Interceptor Utility applications with the 175A alternator note. Inspect related belt drive components during service and replace worn parts as needed to complete the repair correctly. Confirm fitment against the vehicle listing and part number B40278 before installation.

Quality Assurance

Cloyes states that its accessory drive kits are backed by technical support and an industry-leading warranty. The brand also positions these kits as precision-matched repair solutions for accessory drive systems.