OE Quality
60-Day Returns

Dayco 5050337 Serpentine Belt - Alternator
Reliable Serpentine Belt for Mercury and Nissan Vehicles
The Dayco 5050337 serpentine belt is engineered to provide consistent performance for select Mercury and Nissan models. Designed with durable EPDM and aramid reinforcement, this belt supports accessory drive systems with precision and reliability.
- Material: EPDM with aramid reinforcement for enhanced durability
- Top Width: 0.68 inches
- Effective Length: 33.66 inches (854.97 mm)
- Outside Circumference: 34.32 inches (871.73 mm)
- Rib Quantity: 5 ribs with a straight rib profile
- Cross Section: K-section for optimal fit and function
- Operating Temperature Range: -45°C to 100°C (-49°F to 212°F)
- Meets SAE J1459 and SAE J2432 standards
Durable Construction and Precise Specifications
The Dayco 5050337 serpentine belt is constructed from EPDM rubber combined with aramid fibers, which provide resistance to heat, wear, and stretching. Its 5-rib K-section design ensures proper engagement with pulleys, reducing slippage and noise. The belt’s effective length of 33.66 inches and outside circumference of 34.32 inches make it compatible with accessory drive systems in Mercury Maxima, Nissan Quest, and Nissan Villager models. The straight rib profile and standard rib depth contribute to smooth operation under varying engine loads and temperatures.
Compatible Vehicles and Applications
This serpentine belt is specifically compatible with the following vehicles:
- Mercury Maxima
- Nissan Quest
- Nissan Villager
It is designed to replace worn or damaged belts in the accessory drive system, ensuring proper function of components such as the alternator, power steering pump, and air conditioning compressor.
Common Issues Addressed by This Serpentine Belt
- Eliminates belt slippage and squealing noises
- Prevents premature belt wear and cracking
- Maintains proper tension and alignment of accessory components
- Reduces risk of overheating due to belt failure
- Improves overall engine accessory performance
Installation Notes and Tips
When installing the Dayco 5050337 serpentine belt, ensure the belt routing matches the vehicle’s accessory drive diagram. Inspect pulleys and tensioners for wear or damage before installation. Proper tensioning is critical to avoid belt slippage or excessive wear. It is recommended to replace the belt tensioner and idler pulleys if they show signs of failure during belt replacement.
Quality Assurance and Standards Compliance
Dayco 5050337 serpentine belt meets SAE J1459 and SAE J2432 standards, ensuring it adheres to industry requirements for performance and durability. The EPDM and aramid reinforced construction supports a wide operating temperature range from -45°C to 100°C (-49°F to 212°F), suitable for various driving conditions. While specific warranty details are not provided, Dayco products are generally manufactured to meet OEM quality standards for reliable service life.
| Brand | Dayco |
| Part Number | 5050337 |
| Color | Black |
| Cross Section | K-Section |
| Effective Length | 33.66 |
| Effective Length | 854.97 |
| Material | EPDM, Aramid Reinforced |
| Maximum Operating Temperature | 100 |
| Maximum Operating Temperature | 212 |
| Minimum Operating Temperature | -45 |
| Minimum Operating Temperature | -42.7 |
| Outside Circumference | 34.32 |
| Outside Circumference | 871.73 |
| Rib Depth | Standard |
| Rib Profile | Straight Rib |
| Rib Quantity | 5 |
| Standards | SAE J1459, SAE J2432 |
| Top Width | .68 |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1998 | Mercury | Villager | Alternator | |
| 1998 | Nissan | Quest | Alternator | |
| 1997 | Mercury | Villager | Alternator | |
| 1997 | Nissan | Quest | Alternator | |
| 1996 | Mercury | Villager | Alternator | |
| 1996 | Nissan | Quest | Alternator | Compatible with vehicles containing air conditioning. |
| 1995 | Mercury | Villager | Alternator | |
| 1995 | Nissan | Quest | Alternator | |
| 1994 | Mercury | Villager | Alternator | |
| 1994 | Nissan | Maxima | Alternator | |
| 1994 | Nissan | Quest | Alternator | Compatible with vehicles containing air conditioning. |
| 1993 | Mercury | Villager | Alternator | |
| 1993 | Nissan | Maxima | Alternator | |
| 1993 | Nissan | Quest | Alternator | Compatible with vehicles containing air conditioning. |
| 1992 | Nissan | Maxima | Alternator |
* 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.