Dayco 15650 Accessory Drive Belt

Brand Dayco 15650
Position Fan and Air Conditioning
Angle 36
Belt Construction Top Cog
Color Black
Effective Length 65
Effective Length 1651.00
Material Synthetic Rubber Compound
Maximum Operating Temperature 79.4
Maximum Operating Temperature 175
Minimum Operating Temperature -37.2
Minimum Operating Temperature -35
Outside Circumference 65.57
Outside Circumference 1665.48
Standards SAE J636, SAE J637
Top Width .44
Fits Oldsmobile, Buick, International, Dodge, Plymouth, Pontiac, and Chrysler · 9 vehicles

Top-cog construction. Helps the belt flex smoothly for reliable accessory drive performance.

Synthetic rubber compound. Built for durable, dependable operation in demanding conditions.

SAE J636, J637. Meets recognized industry standards for accessory drive belts.

Cross-references ACDelco 15650, Atlas 754 and Atlas 820 for the same application. See all 47.

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Dayco 15650 Accessory Drive Belt

The Dayco 15650 accessory drive belt is a top-cog belt built from a synthetic rubber compound for dependable belt drive performance in classic vehicle applications. It is sized at 65 inches effective length with a 0.44-inch top width and is engineered for accessory drive systems that route power to components such as the alternator, air conditioning, idler, and fan.

Compatible With select Chrysler, Dodge, Oldsmobile, and Pontiac applications, including 1967-1968 Dodge Charger, 1967-1968 Dodge Monaco, 1965 Oldsmobile 98, 1976 Oldsmobile Custom Cruiser, 1961 Pontiac Tempest, and 1959 Chrysler 300. This part number, 15650, also cross-references ACDelco 15650 for the same application.

Key Features

  • Synthetic rubber compound construction for accessory drive use
  • Top-cog profile for flexibility in belt routing
  • Black finish with a 36-degree angle specification
  • Effective length: 65 inches; outside circumference: 65.57 inches
  • Top width: 0.44 inch for specified pulley applications
  • Operating temperature range: -35 to 175 degrees
  • Built to SAE J636 and SAE J637 standards

Application Details

Dayco 15650 is an OE-style accessory drive belt for vehicles that use a single belt to drive multiple front-end accessories. In fitments such as the Dodge Charger and Dodge Monaco, it serves alternator and air conditioning routing; on the Oldsmobile 98 and Custom Cruiser, it is listed for fan and air conditioning service; and on the Pontiac Tempest and Chrysler 300, it is specified for air conditioning-related drive positions. The part number 15650 is also commonly searched as a replacement belt for these classic make/model combinations.

Common Problems This Belt Can Address

  • Squealing or chirping from a worn accessory drive belt
  • Cracking, glazing, or fraying on the existing belt
  • Loss of accessory drive performance at the alternator or A/C compressor
  • Improper belt fit from an incorrect length or width
  • Reduced belt flexibility in routed accessory drive systems

Installation Notes

Verify pulley alignment, belt routing, and the required effective length before installation. Confirm the vehicle’s accessory drive position matches the listed application, such as alternator and air conditioning or fan and air conditioning, before ordering or replacing the belt. Inspect related pulleys and tensioning components for wear so the new belt can track correctly.

Quality Assurance

This Dayco accessory drive belt is manufactured to SAE J636 and SAE J637 standards, with temperature capability from -35 to 175 degrees for broad operating conditions. Dayco 15650 is specified for select Chrysler, Dodge, Oldsmobile, and Pontiac applications and is built to meet the dimensional and material requirements listed for the part.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1976OldsmobileCustom CruiserFan and Air Conditioning
1968DodgeCharger7.2LV8Alternator and Air Conditioning
1968DodgeMonaco7.2LV8Alternator and Air Conditioning
1967DodgeCharger7.2LV8Alternator and Air Conditioning
1967DodgeMonaco7.2LV8Air Conditioning and Alternator
1965Oldsmobile98Fan and Air Conditioning
1961PontiacTempest3.2LL4Air Conditioning
1959Chrysler3006.8LV8Air Conditioning and Idler
1959Chrysler3006.7LV8Air Conditioning and Idler
Directly replaces or cross-references 47 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 15650Atlas — 754Atlas — 820Atlas — 5650Autopar — FB15650CARQUEST — 7650Chief — 13650Chrysler — 2658778Chrysler — 2843242Chrysler — 2843243Chrysler — 3830652Chrysler — 3830653Conoco — AB310Driveworks — 65013Duralast — 15650Freshstart — 13650Gates — 10A1650Gates — 7650Gates — 8359General Motors — 390424General Motors — 1387173General Motors — 1466656General Motors — 9433679Goodyear — 13651Lazorlite — L37-1650Mitsuboshi — MF1650Mopar — B0013655Mopar — B13647Mopar — B13647AMopar — B13651AMopar — BH259AMotorcraft — JB-657NAPA — 25-7650NAPA — 25-16503Navistar — 968815-K21Navistar — 968815-R11Navistar — 968815-R21Navistar — 968815-R31Optibelt — 9.5X1650Pirelli — 13-651Power Plus — 2650Texaco — 15-650Texaco — 445Uniroyal — 13650V&W — 65013White — 20804-3204Yazoo — 205-4428