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Dayco 15660 Accessory Drive BeltOE Quality 60-Day Returns
Part #: 15660

Dayco 15660 Accessory Drive Belt

Alternator and Air Conditioning
65 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chrysler, Dodge, Plymouth, DeSoto, Oldsmobile, and Cadillac, New Yorker, Newport, Monaco, Fury, Town & Country, D100, D200, D300, Ramcharger, Royal Monaco, W100, W200, W300, Gran Fury, Trailduster, Coronet, Imperial, 300, Charger, Polara, Belvedere, Belvedere II, Fury II, Fury III, Satellite, 330, 440, 880, Savoy, Fleet Special, Windsor, Adventurer, DeSoto, Fireflite, 98, Dynamic 88, Super 88, Custom, Royal, Sierra, 88, DeVille, Eldorado, Series 60 Fleetwood, Series 62, Series 75 Fleetwood, Series 61, Commercial Chassis, and Series 60 Special Fleetwood
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Not what you need? See all Accessory Drive Belt options

Overview of Dayco Accessory Drive Belt 15660

The Dayco 15660 accessory drive belt is engineered from a durable synthetic rubber compound designed to withstand a wide range of operating temperatures. This belt is compatible with various Cadillac, Chrysler, Dodge, and Oldsmobile models, providing reliable performance for your vehicle's accessory drive system.

  • Material: Synthetic rubber compound for durability
  • Top width: 0.44 inches
  • Effective length: 66 inches (1676.40 mm)
  • Outside circumference: Approximately 66.57 inches (1690.88 mm)
  • Belt construction: Top cog design for improved flexibility
  • Operating temperature range: -37.2°C to 79.4°C (-35°F to 175°F)
  • Meets SAE J636 and SAE J637 standards

Detailed Product Description

The Dayco 15660 accessory drive belt features a top cog construction that enhances flexibility and reduces heat buildup during operation. Its synthetic rubber compound material ensures resistance to wear and environmental factors, maintaining performance across a broad temperature range from -37.2°C to 79.4°C (-35°F to 175°F). With a top width of 0.44 inches and an effective length of 66 inches, this belt is designed to fit specific vehicle models requiring precise dimensions. The belt's black color and banded design (non-banded) align with OEM specifications for accessory drive belt systems.

Compatible Vehicles and Applications

This accessory drive belt is compatible with a range of vehicles, including:

  • Cadillac models 88 and 98
  • Chrysler 300, Commercial Chassis, Town & Country
  • Dodge Charger, D100, D200, D300, Ramcharger, W100, W200, W300
  • Oldsmobile DeVille, Eldorado, New Yorker
  • Imperial and Monaco models
  • Other specific models requiring a 66-inch effective length belt

Common Issues Addressed by Dayco 15660 Belt

  • Slipping or squealing belts causing accessory malfunction
  • Cracked or worn belts leading to reduced engine efficiency
  • Overheating due to belt failure in cooling system components
  • Improper belt tension affecting alternator or power steering operation
  • Replacement for belts not meeting SAE J636 and J637 standards

Installation Notes and Tips

When installing the Dayco 15660 accessory drive belt, ensure the correct routing according to the vehicle’s service manual. Check pulleys and tensioners for wear before installation to prevent premature belt failure. Use proper tensioning tools to achieve manufacturer-recommended belt tension. Inspect the belt periodically after installation for signs of wear or damage.

Quality Assurance and Warranty

Dayco 15660 belts are manufactured to meet SAE J636 and SAE J637 standards, ensuring compliance with industry requirements for accessory drive belts. The synthetic rubber compound and top cog construction contribute to consistent performance and durability. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandDayco
Part Number15660
Angle36
Belt ConstructionTop Cog
ColorBlack
Effective Length66
Effective Length1676.40
MaterialSynthetic Rubber Compound
Maximum Operating Temperature79.4
Maximum Operating Temperature175
Minimum Operating Temperature-37.2
Minimum Operating Temperature-35
Outside Circumference66.57
Outside Circumference1690.88
StandardsSAE J636, SAE J637
Top Width.44

This part fits 65 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1978ChryslerNew Yorker7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1978ChryslerNew Yorker7.2LV8Alternator and Idlerw/100 Amp Alt., w/o A.C.
1978ChryslerNewport7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1978ChryslerNewport7.2LV8Alternator and Idlerw/100 Amp Alt., w/o A.C.
1978DodgeMonaco7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1978DodgeMonaco7.2LV8Alternator and Idlerw/100 Amp Alt., w/o A.C.
1977ChryslerNew Yorker7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1977ChryslerNew Yorker7.2LV8Alternator and Idlerw/100 Amp Alt., w/o A.C.
1977ChryslerNewport7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1977ChryslerNewport7.2LV8Alternator and Idlerw/100 Amp Alt., w/o A.C.
1977ChryslerTown & Country7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1977ChryslerTown & Country7.2LV8Alternator and Idlerw/100 Amp Alt., w/o A.C.
1977DodgeD1007.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1977DodgeD1007.2LV8Alternator and Idlerw/100 Amp Alt.
1977DodgeD2007.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1977DodgeD2007.2LV8Alternator and Idlerw/100 Amp Alt.
1977DodgeD3007.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1977DodgeD3007.2LV8Alternator and Idlerw/100 Amp Alt.
1977DodgeRamcharger7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1977DodgeRamcharger7.2LV8Alternator and Idlerw/100 Amp Alt.
1977DodgeW1007.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1977DodgeW1007.2LV8Alternator and Idlerw/100 Amp Alt.
1977DodgeW2007.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1977DodgeW2007.2LV8Alternator and Idlerw/100 Amp Alt.
1977DodgeW3007.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1977DodgeW3007.2LV8Alternator and Idlerw/100 Amp Alt.
1976ChryslerNew Yorker7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1976ChryslerNewport7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1976ChryslerTown & Country7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1976DodgeMonaco7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1975ChryslerImperialAlternator and Air Conditioningw/100 Amp Alt.
1975ChryslerNew Yorker7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1975ChryslerNewport7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1975ChryslerTown & Country7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1975DodgeMonaco7.2LV8Alternator and Air Conditioningw/100 Amp Alt.
1966Chrysler3006.3LV8Alternator and Air Conditioning
1966Chrysler3007.2LV8Alternator and Air Conditioning
1966ChryslerImperialAlternator and Air Conditioning
1966ChryslerNewport6.3LV8Alternator and Air Conditioning
1966ChryslerNewport7.2LV8Alternator and Air Conditioning
1966ChryslerTown & Country6.3LV8Alternator and Air Conditioning
1966DodgeCharger5.9LV8Alternator and Air Conditioning
1966DodgeCharger6.3LV8Alternator and Air Conditioning
1966DodgeMonaco6.3LV8Alternator and Air Conditioning
1965Chrysler3006.3LV8Alternator and Air Conditioning
1965ChryslerNewport6.3LV8Alternator and Air Conditioning
1964Chrysler3006.3LV8Alternator and Air Conditioning
1964ChryslerNewport5.9LV8Alternator and Air Conditioning
1963Chrysler3006.3LV8Alternator and Air Conditioning
1963ChryslerNewport5.9LV8Alternator and Air Conditioning
1962Chrysler3006.3LV8Alternator and Air Conditioning
1962ChryslerNewport5.9LV8Alternator and Air Conditioning
1961ChryslerNewport5.9LV8Alternator and Air Conditioning
1961Oldsmobile98Fan, Generator and Air Conditioning
1959ChryslerNew YorkerAir Conditioning and IdlerRight Bank
1957Oldsmobile88Fan, Generator and Air Conditioning
1956CadillacDeVilleFan, Generator and Air Conditioning
1956CadillacEldoradoFan, Generator and Air Conditioning
1955CadillacDeVilleFan, Generator and Air Conditioning
1955CadillacEldoradoFan, Generator and Air Conditioning
1954CadillacDeVilleFan, Generator and Air Conditioning
1954CadillacEldoradoFan, Generator and Air Conditioning
1953CadillacDeVilleFan, Generator and Air Conditioning
1953CadillacEldoradoFan, Generator and Air Conditioning
1949CadillacCommercial ChassisFan, Generator and 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:

15660

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

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