Roadmax 4K370AP Serpentine Belt - Air Conditioning, Power Steering or Power Steering and Air Conditioning

Overview

This Roadmax serpentine belt is a standard V-ribbed accessory drive belt built for OE performance and everyday service. Part number 4K370AP uses EPDM construction and a polyester cord for stable operation in accessory drive systems.

Compatible With select Freightliner, Dodge, Ram, Kia, Mitsubishi, Mazda, and Toyota applications, this belt is sized for specific air conditioning and power steering setups. The 4K370AP part number is also useful when matching replacement belts by cross-reference.

Key Features

• EPDM belt material for common accessory drive applications
• Polyester cord construction for consistent belt support
• 4-rib, K-section design
• OE performance grade for standard replacement use
• Outside circumference of 37.57 in. and effective length of 36.994 in.

Detailed Description

Roadmax 4K370AP is a standard serpentine belt from the Automotive V-Ribbed Belt (Standard) line. It is built with EPDM rubber and polyester cord reinforcement, and its 4-rib K-profile is sized for accessory drive systems that require a specific belt length and rib count. The 4K370AP part number appears in multiple cross-reference listings, including Bando 4PK940 and Gates K040370, which helps confirm application matching during replacement selection.

This belt is used on select Freightliner MT45 air conditioning applications, Dodge and Ram H100 van air conditioning applications, Kia Sorento air conditioning applications, Mitsubishi Eclipse air conditioning applications, Mazda Miata power steering and air conditioning applications, and Toyota Tercel and Paseo power steering applications. For buyers servicing a Dodge H100, Kia Sorento, or Mazda Miata, the fitment data should be matched carefully to the listed position and notes.

What It Helps Solve

• Squealing or slipping accessory drive belt
• Cracked, glazed, or worn belt surfaces
• Loss of belt-driven accessory operation
• Incorrect belt length or rib profile during replacement

Installation Notes

Verify the listed year, make, model, position, and notes before installation. This belt is application-specific, so confirm the accessory drive routing and belt dimensions against the original part number 4K370AP. Fitment includes air conditioning and power steering applications, and some listings note use without air conditioning.

Quality Assurance

Roadmax positions this belt as an OE-performance option for customers who want quality without stepping up to a premium belt line. The 4K370AP part number is supported by multiple interchange references for application verification.