HomeBelts and Cooling > Accessory Drive Belt System ComponentsDayco 17343 Accessory Drive Belt
Part #: 17343

Dayco 17343 Accessory Drive Belt

Air Conditioning and Idler
⚙️ 47 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Hyundai, Mercedes-Benz, Nissan, Honda, Porsche, International, American Motors, Ford, and Mercury, 4Runner, Pickup, Corolla, Stellar, 190E, 240D, 280ZX, Prelude, 924, 300CD, 300D, 200SX, 810, Maxima, 300TD, 450SEL, 450SL, 450SLC, 230, 100, 200, MHC1310, MS1210, 1010, 1110, 1210, 1310, M1100, M1200, M800 Post Office, Scout II, Ambassador, American, Marlin, Rebel, F-100, F-250, F-350, Fairlane, Colony Park, Commuter, Marauder, Marquis, Montclair, Monterey, Classic, Country Sedan, Country Squire, Custom, Custom 500, Galaxie, Galaxie 500, LTD, and Ranch Wagon
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Overview of Dayco Accessory Drive Belt 17343

The Dayco 17343 accessory drive belt is engineered for reliable performance in a variety of vehicles including Ford, Honda, Hyundai, Mercedes-Benz, Mercury, Nissan, Porsche, and Toyota models. Designed with a synthetic rubber compound and a top cog construction, this belt supports efficient power transmission in accessory drive systems.

  • Material: Durable synthetic rubber compound
  • Top width: 0.53 inches
  • Effective length: 34.25 inches (869.95 mm)
  • Outside circumference: 34.52 inches (876.81 mm)
  • Belt construction: Top cog design for flexibility and grip
  • Operating temperature range: -37.2°C to 79.4°C (-35°F to 175°F)
  • Meets SAE J636 and SAE J637 standards
  • Non-banded belt design

Technical Details and Construction

The Dayco 17343 accessory drive belt features a synthetic rubber compound that balances durability and flexibility, essential for maintaining tension and reducing wear in accessory drive systems. Its top cog construction enhances bending flexibility, which helps reduce heat buildup and extends belt life. The belt’s effective length of approximately 34.25 inches and outside circumference near 34.52 inches ensure compatibility with specific pulley configurations. Operating within a temperature range from -37.2°C to 79.4°C, this belt is suitable for various climate conditions encountered by vehicles such as the Toyota 4Runner, Honda Prelude, and Ford F-250.

Compatible Vehicles and Applications

This accessory drive belt is compatible with multiple makes and models, including but not limited to:

  • Ford F-100, F-250, F-350
  • Honda Prelude
  • Hyundai Stellar
  • Mercedes-Benz 190E, 300D, 300TD
  • Mercury Marauder, Marquis
  • Nissan 200SX, Maxima
  • Porsche 924, 810
  • Toyota 4Runner, Corolla, Pickup

Using the Dayco 17343 belt ensures proper accessory drive function in these vehicles, maintaining alternator, power steering, and air conditioning system performance.

Common Issues Addressed by Dayco 17343 Belt

  • Slipping or squealing belts causing accessory malfunction
  • Cracking or fraying from worn or degraded belts
  • Loss of tension leading to inefficient power transfer
  • Overheating due to poor belt flexibility or material breakdown
  • Non-compliance with SAE standards affecting vehicle safety

Installation Notes and Tips

When installing the Dayco 17343 accessory drive belt, ensure the correct routing according to the vehicle’s service manual. Check pulleys and tensioners for wear or damage before installation. Proper tension adjustment is critical to prevent premature belt wear or slippage. It is recommended to replace the belt as part of routine maintenance intervals or when signs of wear are evident.

Quality Assurance and Warranty

Dayco 17343 belts are manufactured to meet SAE J636 and J637 standards, ensuring consistent quality and performance. The synthetic rubber compound and top cog construction contribute to durability under varying operating temperatures. While specific warranty details may vary, Dayco products typically come with a limited warranty against defects in materials and workmanship, providing confidence in product reliability.

BrandDayco
Part Number17343
Angle36
Belt ConstructionTop Cog
ColorBlack
Effective Length34.25
Effective Length869.95
MaterialSynthetic Rubber Compound
Maximum Operating Temperature79.4
Maximum Operating Temperature175
Minimum Operating Temperature-37.2
Minimum Operating Temperature-35
Outside Circumference34.52
Outside Circumference876.81
StandardsSAE J636, SAE J637
Top Width.53

This part fits 47 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995Toyota4Runner2.4LL4Air Conditioning and Idler
1995ToyotaPickup2.4LL4Air Conditioning and Idler
1988ToyotaCorollaAir Conditioning and Idler
1987HyundaiStellarAir Conditioning
1987ToyotaCorollaAir Conditioning and Idler
1987ToyotaPickup2.4LL4Power Steering
1986ToyotaCorollaAir Conditioning and Idler
1986ToyotaPickup2.4LL4Power Steering
1985ToyotaCorolla1.6LL4Air Conditioning and Idler
1985ToyotaPickup2.4LL4Power Steering
1984Mercedes-Benz190EAir Conditioning and Idler
1984ToyotaCorolla1.6LL4Air Conditioning and Idler
1984ToyotaPickup2.4LL4Power Steering
1983Nissan280ZXFan and Alternator
1983ToyotaCorollaAir Conditioning and Idler
1982HondaPreludeAir Conditioning
1982Nissan280ZXFan and Alternator
1982Porsche924Air Conditioning
1981HondaPreludeAir Conditioning
1981Mercedes-Benz300DAir Conditioning and Idler
1981Nissan200SXAir Conditioning and Idler
1981Nissan8102.4LL6Fan and AlternatorCalif.
1981NissanMaxima2.4LL6Fan and AlternatorCalif.
1981Porsche924Air Conditioning
1980HondaPreludeAir Conditioning
1980Mercedes-Benz300DAir Conditioning and Idler
1980Mercedes-Benz300TDAir Conditioning and Idler
1980Nissan200SXAir Conditioning and Idler
1980Nissan280ZXFan and AlternatorCalif.
1980Nissan810Fan and Alternatorw/o A.C., Calif.
1980Porsche924Air Conditioning
1979HondaPreludeAir Conditioning
1979Porsche924Air Conditioning
1967FordF-1005.8LV8Fan and Air Pump
1967FordF-2505.8LV8Fan and Air Pump
1967FordF-3505.8LV8Fan and Air Pump
1967MercuryColony Park6.4LV8Fan and Air PumpFits vehicles without air conditioning.
1967MercuryMarquis6.4LV8Fan and Air PumpFits vehicles without air conditioning.
1967MercuryMarquis6.7LV8Fan and Air PumpFits vehicles without air conditioning.
1966FordF-1005.8LV8Air Pump
1966FordF-2505.8LV8Air Pump
1966FordF-3505.8LV8Air Pump
1966FordLTD5.8LV8Air PumpFits vehicles without air conditioning.
1966FordLTD6.4LV8Air PumpFits vehicles without air conditioning.
1966FordLTD7.0LV8Air PumpFits vehicles without air conditioning.
1966MercuryColony Park6.4LV8Air PumpFits vehicles without air conditioning.
1966MercuryMarauder6.4LV8Air PumpFits vehicles without air conditioning.

* 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:

173459345HD

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