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Dayco 5050565 Serpentine Belt - Air Conditioning and Idler or Main Drive
Durable Serpentine Belt for Ford, Mercury, and Volkswagen Vehicles
The Dayco 5050565 serpentine belt is engineered to provide reliable performance for select Ford, Mercury, and Volkswagen models, including the Cougar, Passat, and Thunderbird. Constructed with EPDM and aramid reinforcement, this belt offers enhanced durability and resistance to wear under various operating conditions.
- Material: EPDM with aramid fiber reinforcement for strength and longevity
- Top Width: 0.68 inches ensuring proper fit and tension
- Effective Length: Approximately 56.5 inches (1435.10 mm) for precise compatibility
- Outside Circumference: 57.16 inches (1451.87 mm) for accurate routing
- Rib Quantity: 5 ribs with a straight rib profile for efficient power transmission
- Cross Section: K-section design optimized for accessory drive systems
- Operating Temperature Range: -45°C to 212°F (-42.7°C to 100°C) suitable for diverse climates
- Meets SAE J1459 and SAE J2432 standards for quality and performance
Technical Overview of Dayco 5050565 Serpentine Belt
This serpentine belt features a K-section cross section with five straight ribs, designed to deliver consistent power transfer to accessory components such as the alternator, power steering pump, and air conditioning compressor. The EPDM material combined with aramid reinforcement enhances resistance to heat, ozone, and mechanical stress, extending belt life. The belt’s dimensions, including a top width of 0.68 inches and an outside circumference of 57.16 inches, ensure a precise fit for the accessory drive systems in Ford Cougar, Mercury Cougar, Volkswagen Passat, and Ford Thunderbird models.
Compatible Vehicles and Applications
- Ford Cougar accessory drive belt replacement
- Mercury Cougar serpentine belt for accessory systems
- Volkswagen Passat serpentine belt for engine accessory drive
- Ford Thunderbird accessory drive belt maintenance
Installation Notes and Tips
When installing the Dayco 5050565 serpentine belt, ensure the belt routing matches the vehicle’s accessory drive diagram. Check the belt tensioner for proper operation and adjust tension as needed to prevent slippage or premature wear. Inspect pulleys and accessory components for alignment and damage before installation to maximize belt life.
Quality Assurance and Standards Compliance
The Dayco 5050565 serpentine belt complies with SAE J1459 and SAE J2432 standards, confirming its suitability for automotive accessory drive applications. Manufactured with EPDM and aramid reinforcement, this belt is designed to withstand operating temperatures from -45°C to 212°F, providing reliable performance in a range of environmental conditions.
| Brand | Dayco |
| Part Number | 5050565 |
| Material | Epdm, aramid reinforced |
| Top Width | .68 |
| Color | Black |
| Effective Length | 1435.10 |
| Effective Length | 56.50 |
| Outside Circumference | 1451.87 |
| Outside Circumference | 57.16 |
| Rib Quantity | 5 |
| Cross Section | K-section |
| Maximum Operating Temperature | 100 |
| Maximum Operating Temperature | 212 |
| Minimum Operating Temperature | -42.7 |
| Minimum Operating Temperature | -45 |
| Rib Depth | Standard |
| Rib Profile | Straight rib |
| Standards | Sae j1459, sae j2432 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Volkswagen | Passat | 2.0L | L4 | Main Drive | |
| 2004 | Volkswagen | Passat | 2.0L | L4 | Main Drive | |
| 1981 | Ford | Thunderbird | 5.0L | V8 | Air Conditioning and Idler | w/FIOD Trans., Two Idlers Used |
| 1981 | Ford | Thunderbird | 4.2L | V8 | Air Conditioning and Idler | w/FIOD Trans., Two Idlers Used |
| 1981 | Mercury | Cougar | 5.0L | V8 | Air Conditioning and Idler | w/Automatic Overdrive Trans., Two Idlers |
| 1981 | Mercury | Cougar | 4.2L | V8 | Air Conditioning and Idler | w/Automatic Overdrive Trans., Two Idlers |
| 1980 | Ford | Thunderbird | 5.0L | V8 | Air Conditioning and Idler | w/FIOD Trans. |
| 1980 | Ford | Thunderbird | 4.2L | V8 | Air Conditioning and Idler | w/FIOD Trans. |
| 1980 | Mercury | Cougar | 5.0L | V8 | Air Conditioning and Idler | w/FIOD Trans. |
| 1980 | Mercury | Cougar | 4.2L | V8 | Air Conditioning and Idler | w/FIOD Trans. |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.