HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 5040325 Serpentine Belt - Air Conditioning, Air Conditioning and Idler or Alternator
Part #: 5040325

Dayco 5040325 Serpentine Belt - Air Conditioning, Air Conditioning and Idler or Alternator

Air Conditioning, Air Conditioning and Idler, and Alternator
⚙️ 22 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura, Hyundai, Nissan, and Toyota, Accent, Integra, MR2, NX, Pulsar NX, and Sentra
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Reliable Serpentine Belt for Acura, Hyundai, Nissan, and Toyota

The Dayco 5040325 serpentine belt is engineered to provide consistent performance for select Acura, Hyundai, Nissan, and Toyota vehicles. Designed with durable EPDM material reinforced with aramid, this belt supports accessory drive systems with precision and longevity.

  • Material: EPDM with aramid reinforcement for enhanced durability
  • Top Width: 0.54 inches
  • Effective Length: 32.50 inches (825.50 mm)
  • Outside Circumference: 33.16 inches (842.27 mm)
  • Rib Quantity: 4 ribs with a straight rib profile
  • Cross Section: K-section for optimal fit and performance
  • Operating Temperature Range: -45°C to 100°C (-49°F to 212°F)
  • Meets SAE J1459 and SAE J2432 standards

Durable Construction and Precise Specifications

The Dayco 5040325 serpentine belt is constructed from EPDM rubber combined with aramid fibers, providing resistance to heat, wear, and stretching. Its 4-rib K-section design ensures proper engagement with pulleys, reducing slippage and noise. The belt’s effective length of 32.50 inches and outside circumference of 33.16 inches make it suitable for accessory drive systems requiring these exact dimensions. The straight rib profile and standard rib depth contribute to smooth operation under varying engine loads and temperatures ranging from -45°C to 100°C.

Compatible Vehicles and Applications

This serpentine belt is compatible with multiple models across Acura, Hyundai, Nissan, and Toyota, including:

  • Acura Integra
  • Hyundai Accent
  • Nissan Sentra and Pulsar NX
  • Toyota MR2 and NX

It is designed to replace worn or damaged belts in these vehicles’ accessory drive belt systems, ensuring reliable power transmission to alternators, power steering pumps, and air conditioning compressors.

Common Issues Addressed by This Serpentine Belt

  • Eliminates belt slippage and squealing noises
  • Prevents premature belt wear and cracking
  • Maintains proper tension and alignment in accessory drive systems
  • Reduces risk of overheating due to belt failure
  • Ensures consistent power delivery to engine accessories

Installation Notes and Tips

When installing the Dayco 5040325 serpentine belt, verify the belt routing diagram specific to your vehicle model. Ensure pulleys are clean and free of debris before installation. Use a belt tensioner tool if applicable to achieve proper tension. Inspect related components such as tensioners and pulleys for wear to avoid premature belt failure.

Quality Assurance and Standards Compliance

Dayco 5040325 serpentine belt meets SAE J1459 and SAE J2432 standards, ensuring it adheres to industry requirements for performance and durability. Manufactured with quality materials and reinforced construction, this belt is designed to provide reliable service life under normal operating conditions.

BrandDayco
Part Number5040325
MaterialEpdm, aramid reinforced
Top Width.54
ColorBlack
Effective Length32.50
Effective Length825.50
Outside Circumference33.16
Outside Circumference842.27
Rib Quantity4
Cross SectionK-section
Maximum Operating Temperature100
Maximum Operating Temperature212
Minimum Operating Temperature-42.7
Minimum Operating Temperature-45
Rib DepthStandard
Rib ProfileStraight rib
StandardsSae j1459, sae j2432

This part fits 22 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1997HyundaiAccentGTAir Conditioning
1996HyundaiAccentGTAir Conditioning
1995ToyotaMR22.2LL4Alternator
1995ToyotaMR22.0LL4AlternatorSerpentine Belt compatible with vehicles equipped with power steering.
1994NissanSentra2.0LL4Alternatorw/P.S., w/o A.C.
1994ToyotaMR22.2LL4Alternator
1994ToyotaMR22.0LL4AlternatorSerpentine Belt compatible with vehicles equipped with power steering.
1993AcuraIntegra1.7LL4Air Conditioning and Idler
1993NissanNX2.0LL4Alternatorw/P.S., w/o A.C.
1993NissanSentra2.0LL4Alternatorw/P.S., w/o A.C.
1993ToyotaMR22.2LL4AlternatorSerpentine Belt compatible with vehicles equipped with power steering.
1993ToyotaMR22.0LL4AlternatorSerpentine Belt compatible with vehicles equipped with power steering.
1992AcuraIntegra1.7LL4Air Conditioning and Idler
1992NissanNX2.0LL4Alternatorw/P.S., w/o A.C.
1992NissanSentra2.0LL4Alternatorw/P.S., w/o A.C.
1992ToyotaMR22.2LL4AlternatorSerpentine Belt compatible with vehicles equipped with power steering.
1992ToyotaMR22.0LL4AlternatorSerpentine Belt compatible with vehicles equipped with power steering.
1991NissanNX2.0LL4Alternatorw/P.S., w/o A.C.
1991NissanSentra2.0LL4Alternatorw/P.S., w/o A.C.
1991ToyotaMR22.2LL4AlternatorSerpentine Belt compatible with vehicles equipped with power steering.
1991ToyotaMR22.0LL4AlternatorSerpentine Belt compatible with vehicles equipped with power steering.
1990NissanPulsar NXAir Conditioning and Idler

* 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:

4K325

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