Roadmax 6K390AP Serpentine Belt - Fan and Air Conditioning
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Roadmax
 Automotive V-Ribbed Belt (Standard)

Roadmax 6K390AP Serpentine Belt - Fan and Air Conditioning

Brand Roadmax 6K390AP
Position Fan and Air Conditioning
Material Epdm
Top Width .807
Top Width 20
Cord Material Polyester
Cross Section Designation K
Effective Length 39.13
Effective Length 994
Outside Circumference 1008
Outside Circumference 39.7
Type Automotive v-ribbed belt (standard)
Rib Quantity 6
Product line Automotive V-Ribbed Belt (Standard)
Fits Ford · 3 vehicles

Standard V-ribbed belt. A practical replacement for accessory drive systems.

EPDM construction. Helps resist wear for dependable everyday use.

Polyester cord reinforcement. Adds strength and stable belt performance.

Cross-references AMS Automotive 6708, Bando 6PK990 and Continental 4060390 for the same application. See all 50.

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Roadmax 6K390AP Serpentine Belt Overview

The Roadmax 6K390AP is an automotive V-ribbed belt built for drivers who want dependable replacement quality without stepping up to a premium-duty belt. Made with EPDM and a polyester cord, it is sized for accessory drive service on select Ford Ranger applications with fan and air conditioning drive routing.

For 1986-1988 Ford Ranger models, this serpentine belt supports the accessory drive system where consistent belt tracking and proper tension are important. The 6-rib design and standard V-ribbed construction make it a direct-fit replacement for common OE-style belt service.

Key Features

  • Roadmax Automotive V-Ribbed Belt (Standard) for accessory drive service
  • Part number: 6K390AP
  • EPDM belt material for everyday underhood durability
  • Polyester cord reinforcement for stable belt construction
  • 6-rib profile with K cross section designation
  • Effective length: 994 mm / 39.13 in
  • Outside circumference: 1008 mm / 39.7 in
  • Top width: 20 mm / .807 in

Product Details

Roadmax positions this belt line for budget-conscious buyers who want a quality replacement belt for standard service needs. The 6K390AP is a serpentine belt designed around the listed dimensions and rib count, making it suitable for accessory drive applications that require the specified 6-rib, 39.13-inch effective length format. This part cross-references Gates (e.g., K060390, K060390HD) for the same application.

Compatible With 1986-1988 Ford Ranger, fan and air conditioning. Compatible With 1986-1987 Ford Ranger, fan and air conditioning. Compatible With 1988 Ford Ranger, fan and air conditioning, with factory installed A.C.

Common Replacement Uses

  • Replacing a worn or glazed accessory drive belt
  • Correcting belt squeal caused by age or surface wear
  • Restoring proper drive to fan and air conditioning accessories
  • Addressing cracking, fraying, or rib wear on the existing belt
  • Replacing a belt that no longer maintains proper tension or tracking

Installation Notes and Tips

Verify belt routing, rib count, and measured length against the existing belt before installation. Inspect pulleys, tensioner condition, and accessory alignment at the same time, since pulley wear or misalignment can shorten belt life. Confirm the vehicle application details for your Ford Ranger, especially the 1988 model with factory installed A.C., before ordering the 6K390AP.

Quality Assurance

This Roadmax belt uses EPDM construction and polyester cord reinforcement for standard automotive service. It is intended as a practical replacement option for the specified Ford Ranger fitment and accessory drive configuration.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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)
Directly replaces or cross-references 50 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6708Bando — 6PK990Continental — 4060390Dayco — 5060390Drive Rite — 5060390DRGates — K060390Gates — K060390HDMileage Maker — 390K6MK6K3906K3956KX10006PK09906PK09956PK9956PVK099014-0711-625-06039025-060390HD25-70989141-1291390K6395K6406-039068365200508200608200613201186201906202642203515204049204535276398725210106039030406586547123912062091206265110196010A-390K6E5TZ 8620 PE63E 8620 BAGT4060390JK6-400K6X998K6X1000K3906PK060390