Roadmax 3K250AP Serpentine Belt

Roadmax 3K250AP Serpentine Belt Overview

The Roadmax 3K250AP is an automotive V-ribbed belt in the standard line, built for drivers who want dependable replacement performance without stepping up to a premium belt. Made with EPDM and polyester cord reinforcement, it is sized for specific accessory drive applications on Toyota Corolla, Toyota Celica, and Mazda Tribute models.

Use this Roadmax serpentine belt when you need a direct replacement for accessory drive routing on vehicles with a 3-rib, K-section belt profile. The 3K250AP part number is also a useful reference when cross-shopping OE-style replacements for the same application.

Key Features

• Automotive V-ribbed belt, standard-duty construction
• EPDM rubber for common accessory drive service conditions
• Polyester cord reinforcement for belt stability
• 3-rib design with K cross section
• Effective length: 25.17 in. (639 mm)
• Outside circumference: 25.75 in. (654 mm)
• Top width: 0.42 in. (11 mm)
• Roadmax part number 3K250AP

Product Details

Roadmax positions the Automotive V-Ribbed Belt (Standard) line for budget-conscious buyers who still want a quality replacement belt. This belt uses EPDM construction and polyester cord material to serve accessory drive systems that rely on a compact 3-rib profile. In fitment terms, the 3K250AP is listed for 1984-1985 Toyota Corolla, power steering; 1986-1988 Toyota Corolla, water pump to power steering; 1989 Toyota Corolla, power steering and water pump; 1990-1997 Toyota Corolla, water pump to power steering; 1990-1997 Toyota Celica, water pump to power steering; and 2001 Mazda Tribute, water pump. This makes it a practical search match for Toyota Corolla serpentine belt replacement, Toyota Celica accessory drive belt replacement, and Mazda Tribute water pump belt applications.

This part cross-references Gates K030250 and Bando 3PK635 for the same application.

Common Problems This Belt Can Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or rib wear on the existing belt
• Loss of belt tension caused by age-related stretch
• Accessory drive noise from an aging Toyota Corolla or Toyota Celica belt
• Water pump or power steering drive issues tied to belt deterioration

Installation Notes and Tips

Verify belt routing, rib count, and measured length before installation. Confirm the application by year, make, model, and position, since this part is listed for multiple accessory drive locations including water pump, water pump to power steering, and power steering. Inspect pulleys and tensioner components for wear before installing the new belt, and compare the old belt’s dimensions to the 3K250AP specifications when servicing a Toyota Corolla, Toyota Celica, or Mazda Tribute.

Quality Assurance

Roadmax’s standard V-ribbed belt line is built as a value-focused replacement option using EPDM and polyester cord reinforcement for everyday accessory drive service.