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Dayco 5030350 Serpentine Belt - Air Pump
Reliable Serpentine Belt for Buick, Chevrolet, Oldsmobile, and Pontiac
The Dayco 5030350 serpentine belt is engineered to meet the demands of various GM vehicles including Buick Century, Chevrolet Lumina, Oldsmobile Cutlass Ciera, and Pontiac Grand Prix. Designed with durable materials and precise specifications, this belt ensures consistent performance in accessory drive belt systems.
- Constructed from EPDM with aramid reinforcement for enhanced durability
- Top width of 0.40 inches and a K-section cross section
- Effective length options of 35.04 inches (890.02 mm) and 35.70 inches (906.78 mm) outside circumference
- Features 3 straight ribs with standard rib depth for optimal grip
- Operates reliably within a temperature range of -45°C to 212°F (100°C)
- Meets SAE J1459 and SAE J2432 industry standards
Technical Details and Material Composition
The Dayco 5030350 serpentine belt is made from EPDM rubber reinforced with aramid fibers, providing resistance to heat, wear, and stretching. Its K-section cross section and three straight ribs ensure proper alignment and tension on pulleys, reducing slippage and noise. The belt’s effective length and outside circumference measurements accommodate specific accessory drive configurations found in Buick, Chevrolet, Oldsmobile, and Pontiac models such as the Chevrolet Celebrity and Pontiac Grand Prix.
Compatible Vehicles and Applications
This serpentine belt is compatible with a range of GM vehicles, including:
- Buick Century
- Chevrolet Celebrity and Lumina
- Oldsmobile Cutlass Ciera, Cutlass Cruiser, and Cutlass Supreme
- Pontiac Grand Prix and Regal
It is designed to replace worn or damaged belts in accessory drive belt systems, ensuring proper operation of alternators, power steering pumps, and air conditioning compressors.
Common Issues Addressed by This Serpentine Belt
- Eliminates belt slippage and squealing noises
- Prevents premature belt wear and cracking
- Maintains proper tension for accessory components
- Reduces risk of overheating due to belt failure
- Improves overall engine accessory performance
Installation Notes and Tips
When installing the Dayco 5030350 serpentine belt, ensure the belt routing matches the vehicle’s accessory drive diagram. Inspect pulleys and tensioners for wear before installation. Proper tension adjustment is critical to avoid belt damage and ensure longevity. Use appropriate tools to relieve tension and avoid twisting the belt during installation.
Quality Assurance and Standards Compliance
Dayco 5030350 serpentine belt complies with SAE J1459 and SAE J2432 standards, confirming its suitability for automotive accessory drive applications. The EPDM and aramid reinforced construction supports reliable operation within specified temperature ranges. While no explicit warranty information is provided, Dayco products are manufactured to meet industry quality benchmarks for durability and performance.
| Brand | Dayco |
|---|---|
| Part Number | 5030350 |
| Material | Epdm, aramid reinforced |
| Top Width | .40 |
| Color | Black |
| Effective Length | 35.04 |
| Effective Length | 890.02 |
| Outside Circumference | 35.70 |
| Outside Circumference | 906.78 |
| Rib Quantity | 3 |
| 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 23 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Buick | Regal | 3.1L | V6 | Air Pump | Calif. |
| 1993 | Chevrolet | Lumina | 3.1L | V6 | Air Pump | Calif. |
| 1993 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | Air Pump | Calif. |
| 1993 | Pontiac | Grand Prix | 3.1L | V6 | Air Pump | Calif. |
| 1990 | Buick | Regal | 3.1L | V6 | Air Pump | |
| 1990 | Chevrolet | Lumina | 3.1L | V6 | Air Pump | |
| 1990 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | Air Pump | |
| 1990 | Pontiac | Grand Prix | 3.1L | V6 | Air Pump | |
| 1989 | Buick | Regal | 3.1L | V6 | Air Pump | |
| 1989 | Buick | Regal | 2.8L | V6 | Air Pump | |
| 1989 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | Air Pump | |
| 1989 | Oldsmobile | Cutlass Supreme | 2.8L | V6 | Air Pump | |
| 1989 | Pontiac | Grand Prix | 3.1L | V6 | Air Pump | |
| 1989 | Pontiac | Grand Prix | 2.8L | V6 | Air Pump | |
| 1988 | Buick | Century | 2.8L | V6 | Air Pump | |
| 1988 | Buick | Regal | Air Pump | |||
| 1988 | Chevrolet | Celebrity | 2.8L | V6 | Air Pump | |
| 1988 | Oldsmobile | Cutlass Ciera | 2.8L | V6 | Air Pump | |
| 1988 | Oldsmobile | Cutlass Cruiser | 2.8L | V6 | Air Pump | |
| 1988 | Oldsmobile | Cutlass Supreme | 2.8L | V6 | Air Pump | |
| 1988 | Pontiac | 6000 | 3.1L | V6 | Air Pump | |
| 1988 | Pontiac | 6000 | 2.8L | V6 | Air Pump | |
| 1988 | Pontiac | Grand Prix | Air Pump |
* 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.