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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.
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.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1976 | Oldsmobile | Custom Cruiser | — | — | Fan and Air Conditioning | — |
| 1968 | Dodge | Charger | 7.2L | V8 | Alternator and Air Conditioning | — |
| 1968 | Dodge | Monaco | 7.2L | V8 | Alternator and Air Conditioning | — |
| 1967 | Dodge | Charger | 7.2L | V8 | Alternator and Air Conditioning | — |
| 1967 | Dodge | Monaco | 7.2L | V8 | Air Conditioning and Alternator | — |
| 1965 | Oldsmobile | 98 | — | — | Fan and Air Conditioning | — |
| 1961 | Pontiac | Tempest | 3.2L | L4 | Air Conditioning | — |
| 1959 | Chrysler | 300 | 6.8L | V8 | Air Conditioning and Idler | — |
| 1959 | Chrysler | 300 | 6.7L | V8 | Air Conditioning and Idler | — |
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