HomeBelts and Cooling > Accessory Drive Belt System ComponentsRoadmax 4K245AP Serpentine Belt - Alternator or Power Steering To Alternator
Part #: 4K245AP

Roadmax 4K245AP Serpentine Belt - Alternator or Power Steering To Alternator

Automotive V-Ribbed Belt (Standard), Alternator and Power Steering To Alternator
⚙️ 29 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Automotive V-Ribbed Belt (Standard), Alternator and Power Steering To Alternator
🚗Fitment: Buick, Ford, Mercury, Oldsmobile, and Pontiac, Escort, Firenza, J2000, J2000 Sunbird, Lynx, Skyhawk, Sunbird, Tempo, and Topaz
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Reliable Serpentine Belt for Select Buick and Ford Models

The Roadmax 4K245AP Automotive V-Ribbed Belt (Standard) is engineered to provide consistent performance for various Buick, Ford, Mercury, Oldsmobile, and Pontiac vehicles. Designed with durable materials and precise dimensions, this serpentine belt ensures efficient accessory drive operation in compatible models like the Escort, Sunbird, and Tempo.

  • Constructed from EPDM material for enhanced durability and heat resistance
  • Features a 4-rib design with a K cross section for optimal grip and flexibility
  • Effective length of 24.65 inches (626 mm) and outside circumference of 25.215 inches (640 mm)
  • Polyester cord material for added strength and longevity
  • Top width options of 0.56 inches and 14 mm to fit specific pulley systems

About the Roadmax Automotive V-Ribbed Belt (Standard) Line

The Automotive V-Ribbed Belt (Standard) product line by Roadmax focuses on delivering serpentine belts that meet OEM specifications for standard accessory drive systems. This line emphasizes reliable material composition and precise dimensional standards, making it suitable for a range of vehicles requiring consistent belt performance without specialized modifications.

Technical Details and Compatibility

The Roadmax 4K245AP serpentine belt is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and wear, which contributes to longer service life. The belt’s 4-rib K cross section design ensures proper engagement with pulleys, reducing slippage and noise. Polyester cords embedded within the belt provide tensile strength, maintaining belt integrity under tension. With an effective length of 24.65 inches (626 mm) and an outside circumference of 25.215 inches (640 mm), this belt is engineered to fit accessory drive systems on select Buick, Ford, Mercury, Oldsmobile, and Pontiac models, including the Escort, Firenza, J2000, Lynx, Skyhawk, Sunbird, Tempo, and Topaz.

Common Applications and Problem Solving

  • Replaces worn or cracked serpentine belts in compatible Buick and Ford vehicles
  • Addresses belt slippage and squealing noises caused by degraded belts
  • Restores proper accessory drive function for alternators, power steering, and air conditioning
  • Prevents belt breakage that can lead to engine accessory failure
  • Ensures consistent belt tension and alignment in standard accessory drive systems

Installation Notes and Tips

When installing the Roadmax 4K245AP serpentine belt, verify the belt routing according to the vehicle’s service manual. Ensure pulleys are clean and free of debris to prevent premature belt wear. Use a belt tensioner tool if applicable to achieve proper tension. Inspect related components such as pulleys and tensioners for wear during replacement to maintain system reliability.

Quality Assurance and Warranty

Roadmax serpentine belts are manufactured to meet industry standards for material quality and dimensional accuracy. The 4K245AP belt undergoes quality control checks to ensure consistent performance. While specific warranty details are not provided, Roadmax products typically adhere to standard automotive part warranty practices, offering coverage against manufacturing defects.

BrandRoadmax
Part Number4K245AP
PositionAutomotive V-Ribbed Belt (Standard), Alternator and Power Steering To Alternator
MaterialEpdm
Top Width.56
Top Width14
Cord MaterialPolyester
Cross Section DesignationK
Effective Length24.65
Effective Length626
Outside Circumference25.215
Outside Circumference640
TypeAutomotive v-ribbed belt (standard)
Rib Quantity4

This part fits 29 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1987FordEscort2.0LL4DIESELPower Steering To AlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1987MercuryLynx2.0LL4DIESELPower Steering To AlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1986BuickSkyhawk1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1986FordEscort2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1986FordTempo2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1986MercuryLynx2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1986MercuryTopaz2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1986OldsmobileFirenza1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1986PontiacSunbird1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1985BuickSkyhawk1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1985FordEscort2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1985FordTempo2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1985MercuryLynx2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1985MercuryTopaz2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1985OldsmobileFirenza1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1985PontiacJ2000 Sunbird1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1984BuickSkyhawk1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1984FordEscort2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1984FordTempo2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1984MercuryLynx2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1984MercuryTopaz2.0LL4DIESELAlternatorW/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1984OldsmobileFirenza1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1984PontiacJ2000 Sunbird1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1983BuickSkyhawk1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1983OldsmobileFirenza1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1983PontiacJ20001.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1982BuickSkyhawk1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1982OldsmobileFirenza1.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1982PontiacJ20001.8LL4GASAlternatorAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

100225301002665310028387104024514-0849-0164253200189200463200538201660245K4245K4MK248K425-04024525-706242X1101102X111943404-02454040245424546K6404K02454K2454PK06304PK6204PK6254PK6304PVK063050402485040248DR51300297649177-9367-280815907A9091602180A-245K4E4EE 8620 EAE4FZ 8620 DJK4-250K040245K2454

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.