Roadmax 6K490AP Serpentine Belt
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Roadmax
 Automotive V-Ribbed Belt (Standard)

Roadmax 6K490AP Serpentine Belt

Brand Roadmax 6K490AP
Position Fan, Alternator and Power Steering, Air Conditioning, and Fan To Air Conditioning
Material Epdm
Top Width .807
Top Width 20
Cord Material Polyester
Cross Section Designation K
Effective Length 1244
Effective Length 48.97
Outside Circumference 1258
Outside Circumference 49.537
Type Automotive v-ribbed belt (standard)
Rib Quantity 6
Product line Automotive V-Ribbed Belt (Standard)
Fits Ford, Lincoln, and Mercury · 32 vehicles

Standard V-ribbed belt. For accessory drive systems with a 6-rib design.

EPDM construction. Resists wear for dependable everyday service.

Polyester cord reinforcement. Helps maintain strength and stable belt tension.

Cross-references AMS Automotive 6452, Bando 6PK1245 and Bosch 6714 for the same application. See all 83.

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Roadmax 6K490AP Serpentine Belt Overview

The Roadmax 6K490AP is an Automotive V-Ribbed Belt (Standard) built with EPDM and polyester cord for everyday accessory drive service. It is a 6-rib serpentine belt sized for applications that call for a 1244 mm effective length and 1258 mm outside circumference.

Roadmax positions this belt line for budget-conscious buyers who want dependable quality without stepping up to a premium-performance belt. The 6K490AP is a practical replacement choice for accessory drive systems on vehicles such as the Toyota Highlander, Lexus RX350, Toyota Grand Highlander, and Lexus TX350.

Key Features

  • Part number: 6K490AP
  • Automotive V-Ribbed Belt (Standard) construction
  • EPDM belt material for common accessory drive service
  • Polyester cord material for belt stability
  • 6-rib design for multi-groove pulley systems
  • Top width: 20 mm (.807 in.)
  • Effective length: 1244 mm (48.97 in.)
  • Outside circumference: 1258 mm (49.537 in.)

Product Details

Roadmax 6K490AP is a standard serpentine belt for accessory drive systems that power components such as the alternator, power steering pump, and fan drive where specified by the vehicle application. This part cross-references Gates 23288 for the same application. It also cross-references Bando 6PK1245 for the same application. If you are searching for a 6 rib serpentine belt for Toyota Highlander or Lexus RX350 service, 6K490AP is the direct part number to reference.

The Roadmax Automotive V-Ribbed Belt line is aimed at value-focused repairs where correct fit and basic durability matter more than premium belt performance features. For fitment-specific searches, this belt is listed for 2023-2025 Toyota Highlander, 2023-2025 Lexus RX350, 2024-2026 Toyota Grand Highlander, and 2024-2026 Lexus TX350.

Common Problems This Belt Can Address

  • Squealing or chirping from a worn accessory drive belt
  • Cracking, glazing, or rib wear on the existing serpentine belt
  • Loss of proper belt tension due to age-related stretch
  • Accessory drive noise caused by belt deterioration
  • Service replacement for a belt at the end of its wear life

Installation Notes and Tips

Verify the belt length, rib count, and pulley routing before installation. Inspect the tensioner, idler pulleys, and pulley alignment at the same time, since worn components can shorten belt life. Confirm the vehicle configuration against the listed fitment, especially on applications with notes such as W/O A.C. or specific alternator and fan-drive requirements.

  • Fits 2024-2026 Lexus TX350, N/A
  • Fits 2024-2026 Toyota Grand Highlander, N/A
  • Fits 2023-2025 Lexus RX350, N/A
  • Fits 2023-2025 Toyota Highlander, N/A
  • Fits 1991-1993 Ford Escort, N/A, W/O A.C.
  • Fits 1991-1993 Mercury Tracer, N/A, W/O A.C.
  • Fits 1987-1989 Ford LTD Crown Victoria, Fan, Alternator and Power Steering, W/O A.C.; W/O 70A., 100A. Alt.
  • Fits 1987-1988 Mercury Colony Park, Fan, Alternator and Power Steering, W/O A.C.; W/O 70A., 100A. Alt.
  • Fits 1985-1988 Mercury Grand Marquis, Fan, Alternator and Power Steering, W/O A.C.; W/O 70A., 100A. Alt.
  • Fits 1985-1986 Ford LTD, Fan, Alternator and Power Steering, W/O A.C.; W/O 70A., 100A. Alt.
  • Fits 1980 Ford LTD, Fan, Alternator and Power Steering, W/60A., 65A. Alt.; W/A.C.; W/5-Blade Flex Fan; W/O Police Pkg.; Mar. 31, 1980 & Older
  • Fits 1980 Lincoln Continental, Fan, Alternator and Power Steering, W/60A., 65A., 70A., 100A. Alt.
  • Fits 1980 Lincoln Mark VI, Fan, Alternator and Power Steering, W/60A., 65A., 70A., 100A. Alt.
  • Fits 1980 Mercury Grand Marquis, Fan, Alternator and Power Steering, W/60A., 65A. Alt.; W/A.C.; Mar. 31, 1980 & Older
  • Fits 1980 Mercury Marquis, Fan, Alternator and Power Steering, W/60A., 65A. Alt.; W/A.C.; Mar. 31, 1980 & Older
  • Fits 1979 Ford LTD, Fan, Alternator and Power Steering, W/60A., 65A. Alt.; W/A.C.; W/7-Blade Fan; W/Police Pkg.
  • Fits 1979 Mercury Grand Marquis, Fan, Alternator and Power Steering, W/60A., 65A. Alt.; W/A.C.
  • Fits 1979 Mercury Marquis, Fan, Alternator and Power Steering, W/60A., 65A. Alt.; W/A.C.

Quality Assurance

Roadmax markets this standard V-ribbed belt as a quality-focused, value-oriented replacement for routine accessory drive service. The EPDM construction and polyester cord specification support consistent belt construction for applications that call for this size and rib profile.

Related reading

This part fits 32 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2025LexusRX350—2.4LL4GASN/AAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2024LexusRX350—2.4LL4GASN/AAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2024LexusTX350—2.4LL4GASN/AAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2024ToyotaGrand Highlander—2.4LL4GASN/AAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2024ToyotaHighlander—2.4LL4GASN/AAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2023LexusRX350—2.4LL4GASN/AAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2023ToyotaHighlander—2.4LL4GASN/AAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1993FordEscort—1.9LL4GASN/AW/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1993MercuryTracer—1.9LL4GASN/AW/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1992FordEscort—1.9LL4GASN/AW/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1992MercuryTracer—1.9LL4GASN/AW/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1991FordEscort—1.9LL4GASN/AW/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1991MercuryTracer—1.9LL4GASN/AW/O A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1989FordLTD Crown Victoria—5.0LV8GASFan, Alternator and Power SteeringW/O A.C.; W/O 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1988FordLTD Crown Victoria—5.0LV8GASFan, Alternator and Power SteeringW/O A.C.; W/O 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1988MercuryColony Park—5.0LV8GASFan, Alternator and Power SteeringW/O A.C.; W/O 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1988MercuryGrand Marquis—5.0LV8GASFan, Alternator and Power SteeringW/O A.C.; W/O 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1987FordLTD Crown Victoria—5.0LV8GASFan, Alternator and Power SteeringW/O A.C.; W/O 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1987MercuryColony Park—5.0LV8GASFan, Alternator and Power SteeringW/O A.C.; W/O 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1987MercuryGrand Marquis—5.0LV8GASFan, Alternator and Power SteeringW/O A.C.; W/O 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1986FordLTD—5.0LV8GASFan, Alternator and Power SteeringW/O A.C.; W/O 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1986MercuryGrand Marquis—5.0LV8GASFan, Alternator and Power SteeringW/O A.C.; W/O 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1985FordLTDCountry Squire5.0LV8GASFan, Alternator and Power SteeringW/O A.C.; W/O 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1985MercuryGrand Marquis—5.0LV8GASFan, Alternator and Power SteeringW/O A.C.; W/O 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1980FordLTD—5.0LV8GASFan, Alternator and Power SteeringW/60A., 65A. Alt.; W/A.C.; W/5-Blade Flex Fan; W/O Police Pkg.; Mar. 31, 1980 & Older; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1980LincolnContinental—5.0LV8GASFan, Alternator and Power SteeringW/60A., 65A., 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1980LincolnMark VI—5.0LV8GASFan, Alternator and Power SteeringW/60A., 65A., 70A., 100A. Alt.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1980MercuryGrand Marquis—5.0LV8GASFan, Alternator and Power SteeringW/60A., 65A. Alt.; W/A.C.; Mar. 31, 1980 & Older; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1980MercuryMarquis—5.0LV8GASFan, Alternator and Power SteeringW/60A., 65A. Alt.; W/A.C.; Mar. 31, 1980 & Older; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1979FordLTD—5.0LV8GASFan, Alternator and Power SteeringW/60A., 65A. Alt.; W/A.C.; W/7-Blade Fan; W/Police Pkg.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1979MercuryGrand Marquis—5.0LV8GASFan, Alternator and Power SteeringW/60A., 65A. Alt.; W/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1979MercuryMarquis—5.0LV8GASFan, Alternator and Power SteeringW/60A., 65A. Alt.; W/A.C.; Available Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
Directly replaces or cross-references 83 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6452Bando — 6PK1245Bosch — 6714Dayco — 5060490Drive Rite — 5060490DRGates — 23288Gates — K060490Gates — K060490HD6K4906K490HDV6PK12406PK1245ES14-0880-225-06049025-060490HD25-7124677-9357-3406-0490488K6MK490K6490K6MK742-S6049090916A203020063020128820131920329820343420354120412420432420466620543620576820662720832820877920893728649878148410604901830641C22017725C14060490483120004861733AA18300641C2124196001012419600112670900101267090010127177005127177005252120406050006785435867501370A-490K6B4060490CR400666SD9AE 8620 FAD9PZ 8620 HE0AZ 8620 AE2AE 8620 BAF0EE 8620 CDF1CZ 8620 BF2CE 8620 CAF2CE 8620 GAF2KY 8620 AF3CZ 8620 BFB86490FLTBT490K06GT4060488GT4060488ARGT4060488DFGT4060490GTK060490JK6-494JK6-495JK6-496K4906ME241664MV452PK060490