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Dayco 5070923 Serpentine Belt - Main Drive
Durable Dayco Serpentine Belt for Select Dodge and Mercedes Models
The Dayco 5070923 serpentine belt is engineered to provide reliable accessory drive performance for vehicles including Dodge Ram 2500, Ram 3500, Jaguar XJ8, and Mercedes-Benz CL600. Constructed with EPDM and aramid reinforcement, this belt offers enhanced durability and resistance to wear under a wide range of operating temperatures.
- Material: EPDM with aramid fiber reinforcement for strength and longevity
- Top Width: 0.96 inches ensuring proper fit and tension
- Effective Length: Approximately 92.32 inches (2344.93 mm) for precise compatibility
- Rib Quantity: 7 ribs with a straight rib profile for smooth 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 5070923 Serpentine Belt
This serpentine belt features a black EPDM rubber compound reinforced with aramid fibers, which enhances tensile strength and resistance to heat and abrasion. The 7-rib K-section design ensures efficient power transfer to engine accessories such as the alternator, power steering pump, and air conditioning compressor. With an outside circumference of approximately 92.98 inches (2361.70 mm), it is specifically designed to fit accessory drive systems on select Dodge, Jaguar, Land Rover, and Mercedes-Benz models.
Compatible Vehicles and Applications
The Dayco 5070923 serpentine belt is compatible with the following makes and models:
- Dodge Ram 2500 and Ram 3500
- Jaguar XJ8, XJR, XK8, and XKR
- Land Rover Discovery
- Mercedes-Benz CL600 and Vanden Plas
This belt is intended for use in accessory drive belt systems, replacing worn or damaged belts to maintain proper engine accessory function.
Common Issues Addressed by This Serpentine Belt
- Eliminates slipping or squealing noises caused by worn belts
- Prevents accessory drive failure due to belt breakage
- Reduces risk of overheating by maintaining proper alternator and water pump operation
- Improves power steering responsiveness by ensuring consistent belt tension
- Maintains air conditioning compressor function for climate control
Installation Notes and Tips
When installing the Dayco 5070923 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 premature belt wear or slippage. It is recommended to replace the belt tensioner and idler pulleys if they show signs of wear during belt replacement.
Quality Assurance and Warranty
Dayco serpentine belts comply with SAE J1459 and SAE J2432 standards, ensuring consistent quality and performance. The EPDM and aramid reinforced construction provides durability under a wide temperature range from -45°C to 212°F. While specific warranty details may vary, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship.
| Brand | Dayco |
| Part Number | 5070923 |
| Color | Black |
| Cross Section | K-Section |
| Effective Length | 92.32 |
| Effective Length | 2344.93 |
| Material | EPDM, Aramid Reinforced |
| Maximum Operating Temperature | 100 |
| Maximum Operating Temperature | 212 |
| Minimum Operating Temperature | -45 |
| Minimum Operating Temperature | -42.7 |
| Outside Circumference | 92.98 |
| Outside Circumference | 2361.70 |
| Rib Depth | Standard |
| Rib Profile | Straight Rib |
| Rib Quantity | 7 |
| Standards | SAE J1459, SAE J2432 |
| Top Width | .96 |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Land Rover | Discovery | Main Drive | w/A.C., w/o Active Cornering Enhancement | ||
| 2003 | Dodge | Ram 2500 | 8.0L | V10 | Main Drive | Compatible with vehicles containing air conditioning. |
| 2003 | Dodge | Ram 3500 | 8.0L | V10 | Main Drive | Compatible with vehicles containing air conditioning. |
| 2003 | Jaguar | Vanden Plas | Main Drive | |||
| 2003 | Jaguar | XJ8 | Main Drive | |||
| 2003 | Jaguar | XJR | Main Drive | |||
| 2003 | Land Rover | Discovery | Main Drive | w/A.C., w/o Active Cornering Enhancement | ||
| 2002 | Jaguar | Vanden Plas | Main Drive | |||
| 2002 | Jaguar | XJ8 | Main Drive | |||
| 2002 | Jaguar | XJR | Main Drive | |||
| 2002 | Jaguar | XK8 | Main Drive | |||
| 2002 | Jaguar | XKR | Main Drive | |||
| 2002 | Land Rover | Discovery | Main Drive | w/A.C., w/o Active Cornering Enhancement | ||
| 2002 | Mercedes-Benz | CL600 | Main Drive | 1st Design | ||
| 2001 | Jaguar | Vanden Plas | Main Drive | |||
| 2001 | Jaguar | XJ8 | Main Drive | |||
| 2001 | Jaguar | XJR | Main Drive | |||
| 2001 | Jaguar | XK8 | Main Drive | |||
| 2001 | Jaguar | XKR | Main Drive | |||
| 2001 | Land Rover | Discovery | Main Drive | w/A.C., w/o Active Cornering Enhancement | ||
| 2000 | Jaguar | Vanden Plas | Main Drive | |||
| 2000 | Jaguar | XJ8 | Main Drive | |||
| 2000 | Jaguar | XJR | Main Drive | |||
| 2000 | Jaguar | XKR | Main Drive | |||
| 2000 | Land Rover | Discovery | Main Drive | w/A.C., w/o Active Cornering Enhancement | ||
| 1999 | Land Rover | Discovery | Main Drive | w/A.C., w/o Active Cornering Enhancement |
* 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.