HomeBelts and Cooling > Accessory Drive Belt System ComponentsRoadmax 6K390AP Serpentine Belt - Fan and Air Conditioning
Part #: 6K390AP

Roadmax 6K390AP Serpentine Belt - Fan and Air Conditioning

Automotive V-Ribbed Belt (Standard), Fan and Air Conditioning
⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Automotive V-Ribbed Belt (Standard), Fan and Air Conditioning
🚗Fitment: Ford, Ranger
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Serpentine Belt for Ford Ranger Vehicles

The Roadmax 6K390AP Automotive V-Ribbed Belt (Standard) is engineered to provide consistent performance for Ford Ranger models. Designed with durable materials and precise dimensions, this serpentine belt ensures efficient power transmission to your vehicle's accessory systems.

  • Constructed from EPDM material for enhanced durability and heat resistance
  • Features 6 ribs for optimal grip and smooth operation
  • Top width measures 20 mm (.807 inches) for precise fitment
  • Effective length of 994 mm (39.13 inches) to match OEM specifications
  • Polyester cord material for added tensile strength and flexibility
  • Cross section designation K, compatible with standard automotive accessory drive 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 standard OEM requirements for accessory drive systems. This line emphasizes material quality and dimensional accuracy to maintain reliable engine accessory function, making it suitable for vehicles like the Ford Ranger that require precise belt specifications.

Product Details and Specifications

The Roadmax 6K390AP 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 6-rib design ensures consistent contact with pulleys, reducing slippage and noise. With a top width of 20 mm (.807 inches) and an effective length of 994 mm (39.13 inches), this belt matches the exact dimensions needed for proper fitment on Ford Ranger models. The polyester cord embedded within the belt provides strength and flexibility, supporting the belt’s structural integrity under varying engine loads.

Compatible Applications and Common Issues Addressed

  • Replacement for worn or cracked serpentine belts on Ford Ranger vehicles
  • Resolves belt slippage causing accessory malfunctions such as alternator or power steering issues
  • Addresses belt noise due to glazing or improper tension
  • Prevents overheating problems linked to failing accessory drive belts
  • Maintains proper operation of engine-driven components by ensuring consistent belt tension

Installation Notes and Tips

When installing the Roadmax 6K390AP serpentine belt, ensure the belt routing matches the vehicle’s belt diagram. Inspect pulleys and tensioners for wear or damage before installation to avoid premature belt failure. Proper tensioning is critical; use a belt tension gauge or follow manufacturer torque specifications for tensioner adjustment. Regular inspection after installation is recommended to monitor belt condition and performance.

Quality Assurance and Warranty

Roadmax serpentine belts are manufactured to meet industry standards for material composition and dimensional accuracy. While specific warranty details are not provided, Roadmax products typically undergo quality control processes to ensure reliability and fitment compliance for Ford Ranger vehicles. For warranty information, refer to the product packaging or contact the manufacturer directly.

BrandRoadmax
Part Number6K390AP
PositionAutomotive V-Ribbed Belt (Standard), Fan and Air Conditioning
MaterialEpdm
Top Width.807
Top Width20
Cord MaterialPolyester
Cross Section DesignationK
Effective Length39.13
Effective Length994
Outside Circumference1008
Outside Circumference39.7
TypeAutomotive v-ribbed belt (standard)
Rib Quantity6

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1988FordRanger2.3LL4GASFan and Air ConditioningW/Factory Inst. A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1987FordRanger2.3LL4GASFan and Air ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1986FordRanger2.0LL4GASFan and Air ConditioningAvailable 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:

106039014-0711-6141-129120050820060820061320118620190620264220351520404920453525-06039025-060390HD25-709892763983040658390K6390K6MK395K6406-0390406039050603905060390DR511019601065471236708683656K3906K3956KX10006PK09906PK09956PK9906PK9956PVK099072521091206209120626A-390K6E5TZ 8620 PE63E 8620 BAGT4060390JK6-400K060390K060390HDK3906K6X1000K6X998PK060390

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