Part #: 4K358AP

Roadmax 4K358AP Serpentine Belt

Automotive V-Ribbed Belt (Standard), Water Pump, Power Steering, Air Conditioning, and Alternator
⚙️ 43 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$19.65Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Automotive V-Ribbed Belt (Standard), Water Pump, Power Steering, Air Conditioning, and Alternator
🚗Fitment: Lexus, Mitsubishi, and Toyota, 4Runner, Eclipse, Endeavor, Galant, LS600h, and Tercel
🔄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 Lexus, Toyota, and Mitsubishi Vehicles

The Roadmax 4K358AP Automotive V-Ribbed Belt (Standard) is engineered to provide consistent performance for select Lexus, Toyota, and Mitsubishi models. Designed with durable materials and precise dimensions, this serpentine belt ensures efficient accessory drive operation in your vehicle.

  • 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 35.83 inches (910 mm) and outside circumference of 36.375 inches (924 mm)
  • Polyester cord material for strength and longevity
  • Top width options of 0.56 inches and 14 mm to fit specific applications

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

The Automotive V-Ribbed Belt (Standard) line by Roadmax focuses on delivering reliable serpentine belts designed to meet OEM specifications for various automotive applications. This product line emphasizes material quality and precise engineering to maintain proper accessory drive function, making it suitable for vehicles requiring standard V-ribbed belts like the 4K358AP.

Product Details and Specifications

The Roadmax 4K358AP serpentine belt is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and wear, which helps extend belt life under demanding engine conditions. The belt’s 4-rib configuration with a K cross section ensures a secure fit on pulleys, reducing slippage and noise. Reinforced with polyester cords, this belt maintains tensile strength and flexibility, essential for smooth operation. With an effective length of 35.83 inches (910 mm) and an outside circumference of 36.375 inches (924 mm), it is designed to match the accessory drive requirements of compatible vehicles.

Compatible Vehicles and Common Applications

  • Compatible with Lexus LS600h models requiring a standard V-ribbed belt
  • Fits Toyota 4Runner and Tercel models for accessory drive system maintenance
  • Suitable for Mitsubishi Eclipse, Endeavor, and Galant vehicles
  • Ideal for replacing worn or damaged serpentine belts causing accessory drive issues
  • Addresses problems such as belt squealing, slipping, or cracking

Installation Notes and Tips

When installing the Roadmax 4K358AP serpentine belt, ensure the engine is off and cool. Verify the belt routing against the vehicle’s service manual to avoid misalignment. Inspect pulleys and tensioners for wear or damage before installation. Proper tension adjustment is critical to prevent premature belt wear or noise. Use appropriate tools to relieve tension and carefully position the belt on all pulleys.

Quality Assurance and Warranty

Roadmax serpentine belts are manufactured to meet industry standards for durability and performance. The 4K358AP part undergoes quality control checks to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, Roadmax products typically adhere to manufacturer guidelines for reliability in automotive applications.

BrandRoadmax
Part Number4K358AP
PositionAutomotive V-Ribbed Belt (Standard), Water Pump, Power Steering, Air Conditioning, and Alternator
MaterialEpdm
Top Width.56
Top Width14
Cord MaterialPolyester
Cross Section DesignationK
Effective Length35.83
Effective Length910
Outside Circumference36.375
Outside Circumference924
TypeAutomotive v-ribbed belt (standard)
Rib Quantity4

This part fits 43 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
2016LexusLS600h5.0LV8FULL HYBRID EV-GAS (FHEV)Water PumpAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2015LexusLS600h5.0LV8FULL HYBRID EV-GAS (FHEV)Water PumpAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2014LexusLS600h5.0LV8FULL HYBRID EV-GAS (FHEV)Water PumpAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2013LexusLS600h5.0LV8FULL HYBRID EV-GAS (FHEV)Water PumpAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2012LexusLS600h5.0LV8FULL HYBRID EV-GAS (FHEV)Water PumpAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2012MitsubishiEclipse3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2011LexusLS600h5.0LV8FULL HYBRID EV-GAS (FHEV)Water PumpAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2011MitsubishiEclipse3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2011MitsubishiEndeavor3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2010LexusLS600h5.0LV8FULL HYBRID EV-GAS (FHEV)Water PumpAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2010MitsubishiEclipse3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2010MitsubishiEndeavor3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2009LexusLS600h5.0LV8FULL HYBRID EV-GAS (FHEV)Water PumpAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2009MitsubishiEclipse3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2009MitsubishiGalant3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2008LexusLS600h5.0LV8FULL HYBRID EV-GAS (FHEV)Water PumpAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2008MitsubishiEclipse3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2008MitsubishiEndeavor3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2008MitsubishiGalant3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2007MitsubishiEclipse3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2007MitsubishiEndeavor3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2007MitsubishiGalant3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2006MitsubishiEclipse3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2006MitsubishiEndeavor3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2006MitsubishiGalant3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2005MitsubishiEndeavor3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2005MitsubishiGalant3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2004MitsubishiEndeavor3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2004MitsubishiGalant3.8LV6GASPower SteeringAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
2000Toyota4Runner2.7LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1999Toyota4Runner2.7LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1998Toyota4Runner2.7LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1997Toyota4Runner2.7LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1997ToyotaTercel1.5LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1996Toyota4Runner2.7LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1996ToyotaTercel1.5LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1995ToyotaTercel1.5LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1993ToyotaTercel1.5LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1992ToyotaTercel1.5LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1991MitsubishiGalantAutomatic2.0LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1991ToyotaTercel1.5LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1990MitsubishiGalantAutomatic2.0LL4GASAir ConditioningAvailable Until Stock Depleted; Automotive V-Ribbed Belt (Standard)
1989MitsubishiGalantAutomatic2.0LL4GASAir 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:

104035811720F420011720F4201127418942453583525-040358357K4SMK358K4358K4MK38920PL201340403584651547346770219467702191172000QAT4K3584K9104PK09104PK9104PVK091050403585040358DR8200041851820083018787399981909160266199364209109936420910839936480910K040358MN158100MN187015MR984617PK040358RB5Z8620A

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