HomeBelts and Cooling > Accessory Drive Belt System ComponentsRoadmax 5K545AP Serpentine Belt - Air Conditioning, Air Conditioning and Power Steering or Power Steering
Part #: 5K545AP

Roadmax 5K545AP Serpentine Belt - Air Conditioning, Air Conditioning and Power Steering or Power Steering

Automotive V-Ribbed Belt (Standard), Air Conditioning, Power Steering, and Air Conditioning and Power Steering
⚙️ 27 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Automotive V-Ribbed Belt (Standard), Air Conditioning, Power Steering, and Air Conditioning and Power Steering
🚗Fitment: Ford, Hyundai, Kia, and Mercury, Cougar, Magentis, Optima, Santa Fe, Sonata, and Thunderbird
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Automotive V-Ribbed Belt for Ford, Hyundai, Kia, and Mercury

The Roadmax 5K545AP Automotive V-Ribbed Belt (Standard) is engineered to provide consistent performance for select Ford, Hyundai, Kia, and Mercury vehicles. Designed with durable EPDM material and polyester cords, this serpentine belt ensures efficient power transmission and long service life.

  • Constructed from high-quality EPDM for heat and wear resistance
  • 5 ribs with a K cross-section design for optimal grip and flexibility
  • Top width of 17 mm (.667 inches) for precise fitment
  • Effective length of 1390 mm (54.71 inches) and outside circumference of 1405 mm (55.31 inches)
  • Polyester cord material enhances tensile strength and durability
  • OE performance grade for reliable operation in accessory drive systems

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

The Automotive V-Ribbed Belt (Standard) line by Roadmax focuses on delivering serpentine belts that meet original equipment specifications. This product line emphasizes durability and consistent performance, making it suitable for standard replacement needs in various automotive applications. The 5K545AP part is a representative model within this line, designed to maintain proper accessory drive function in compatible vehicles.

Product Details and Specifications

This serpentine belt features a K cross-section with five ribs, providing a balance of flexibility and strength necessary for modern accessory drive systems. The EPDM (ethylene propylene diene monomer) rubber compound offers resistance to heat, ozone, and wear, which helps extend belt life under typical engine operating conditions. The polyester cord reinforcement improves tensile strength, reducing stretch and maintaining proper tension. With a top width of 17 mm and an effective length of approximately 1390 mm, the 5K545AP is engineered for precise fitment and reliable performance.

Compatible Vehicles and Common Applications

  • Ford Cougar and Thunderbird models requiring a 5-rib serpentine belt
  • Hyundai Santa Fe and Sonata with accessory drive belt system needs
  • Kia Magentis and Optima vehicles compatible with OE performance belts
  • Mercury Cougar and Thunderbird models matching the specified belt dimensions

Installation Notes and Tips

  • Ensure the belt routing matches the vehicle’s accessory drive diagram
  • Inspect pulleys and tensioners for wear before installation
  • Use proper tensioning tools to avoid over-tightening or slack
  • Replace the belt if signs of cracking, glazing, or fraying are present

Quality Assurance and Warranty

The Roadmax 5K545AP belt is manufactured to meet OE performance standards, ensuring compatibility and durability. While specific warranty details are not provided, Roadmax products typically adhere to industry quality controls to support reliable operation in automotive accessory drive systems.

BrandRoadmax
Part Number5K545AP
PositionAutomotive V-Ribbed Belt (Standard), Air Conditioning, Power Steering, and Air Conditioning and Power Steering
MaterialEpdm
Top Width.667
Top Width17
Cord MaterialPolyester
Cross Section DesignationK
Effective Length1390
Effective Length54.71
Outside Circumference1405
Outside Circumference55.31
TypeAutomotive v-ribbed belt (standard)
Grade TypeOe performance
Rib Quantity5

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2006HyundaiSanta Fe2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2006KiaMagentis2.4LL4GASAir Conditioning and Power SteeringAutomotive V-Ribbed Belt (Standard)
2006KiaOptima2.4LL4GASAir Conditioning and Power SteeringAutomotive V-Ribbed Belt (Standard)
2005HyundaiSanta Fe2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2005HyundaiSonata2.4LL4GASAir Conditioning and Power SteeringAutomotive V-Ribbed Belt (Standard)
2005KiaMagentis2.4LL4GASAir Conditioning and Power SteeringAutomotive V-Ribbed Belt (Standard)
2005KiaOptima2.4LL4GASAir Conditioning and Power SteeringAutomotive V-Ribbed Belt (Standard)
2004HyundaiSanta Fe2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2004HyundaiSonata2.4LL4GASAir Conditioning and Power SteeringAutomotive V-Ribbed Belt (Standard)
2004KiaMagentis2.4LL4GASAir Conditioning and Power SteeringAutomotive V-Ribbed Belt (Standard)
2004KiaOptima2.4LL4GASAir Conditioning and Power SteeringAutomotive V-Ribbed Belt (Standard)
2003HyundaiSanta Fe2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2003HyundaiSonata2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2003KiaMagentis2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2003KiaOptima2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2002HyundaiSanta Fe2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2002HyundaiSonata2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2002KiaMagentis2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2002KiaOptima2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2001HyundaiSanta Fe2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2001HyundaiSonata2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2001KiaMagentis2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2001KiaOptima2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
2000HyundaiSonata2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
1999HyundaiSonata2.4LL4GASPower SteeringW/A.C.; Automotive V-Ribbed Belt (Standard)
1981FordThunderbird4.2LV8GASAir ConditioningW/Auto. Overdrive Trans.; W/Factory Inst. A.C.; W/55 1/8" Belt O.C.; Automotive V-Ribbed Belt (Standard)
1981MercuryCougar4.2LV8GASAir ConditioningW/Auto. Overdrive Trans.; W/Factory Inst. A.C.; W/55 1/8" Belt O.C.; 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:

105054512801712802312805714-0703-62100644722555325-05054525-71385405054550505475050547DR545K5545K5MK547K557170380105K5455PK13855PK13905PK13925PK13935PVK1390960461019604610596161327A-545K5E1SE 8620 AAE1SZ 8620 AJK5-552K050545MD326781PK050545

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