OE Quality
60-Day Returns

Dayco 11375 Accessory Drive Belt - Air Pump, Fan and Air Pump or Fan To Air Pump
Overview of Dayco Accessory Drive Belt 11375
The Dayco 11375 accessory drive belt is engineered for reliable performance in select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Constructed from a durable synthetic rubber compound, this belt is designed to meet specific OEM standards and provide consistent operation under various temperature conditions.
- Material: Synthetic rubber compound for durability
- Top width: 0.33 inches
- Effective length: 37.50 inches (952.50 mm)
- Outside circumference: 37.63 inches (955.81 mm)
- Belt construction: Top cog design for improved flexibility
- Operating temperature range: -35°C to 175°C (-37.2°F to 347°F)
- Complies with SAE J636 and SAE J637 standards
- Non-banded belt design
- 36-degree angle for optimal fit and function
Detailed Product Description
The Dayco 11375 accessory drive belt is specifically designed to fit a range of GM vehicles including Buick models like the Century and LeSabre, Cadillac Eldorado and Seville, Chevrolet Impala and Monte Carlo, Oldsmobile Cutlass variants, and Pontiac Grand Prix and Bonneville. Its synthetic rubber compound construction ensures resistance to wear and heat, supporting engine accessory components such as alternators, power steering pumps, and air conditioning compressors.
The top cog belt construction enhances flexibility and reduces bending stress, which helps extend belt life and maintain consistent tension. With an effective length of 37.50 inches and an outside circumference close to 37.63 inches, this belt matches OEM specifications for proper fitment and performance. The belt’s operating temperature range from -35°C to 175°C allows it to function reliably in diverse climates and engine conditions.
Common Applications and Issues Addressed
- Replacement for worn or cracked accessory drive belts in Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles
- Eliminates belt slippage and squealing noises caused by stretched or damaged belts
- Restores proper operation of engine accessories such as alternators and power steering pumps
- Prevents overheating and premature belt failure due to heat resistance
- Maintains correct belt tension and alignment to avoid accessory component damage
Installation Notes and Tips
- Ensure the engine is off and cool before beginning installation
- Compare the new Dayco 11375 belt dimensions with the old belt to confirm fit
- Inspect pulleys and tensioners for wear or damage during replacement
- Follow vehicle-specific service manual instructions for belt routing and tension adjustment
- Use proper tools to avoid damaging the belt or accessory components during installation
Quality Assurance and Warranty
Dayco accessory drive belts are manufactured to meet SAE J636 and SAE J637 standards, ensuring compliance with industry quality and performance requirements. The synthetic rubber compound and top cog construction contribute to durability and reliable operation. While specific warranty details may vary, Dayco products typically come with a limited warranty against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.
| Brand | Dayco |
|---|---|
| Part Number | 11375 |
| Angle | 36 |
| Belt Construction | Top Cog |
| Color | Black |
| Effective Length | 37.50 |
| Effective Length | 952.50 |
| Material | Synthetic Rubber Compound |
| Maximum Operating Temperature | 79.4 |
| Maximum Operating Temperature | 175 |
| Minimum Operating Temperature | -37.2 |
| Minimum Operating Temperature | -35 |
| Outside Circumference | 37.63 |
| Outside Circumference | 955.81 |
| Standards | SAE J636, SAE J637 |
| Top Width | .33 |
This part fits 92 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1987 | Buick | Regal | 3.8L | V6 | Fan To Air Pump | |
| 1987 | Chevrolet | Monte Carlo | 3.8L | V6 | Fan To Air Pump | |
| 1987 | Oldsmobile | Cutlass Salon | 3.8L | V6 | Fan To Air Pump | |
| 1987 | Oldsmobile | Cutlass Supreme | 3.8L | V6 | Fan To Air Pump | |
| 1987 | Pontiac | Grand Prix | 3.8L | V6 | Fan To Air Pump | |
| 1986 | Buick | Regal | 3.8L | V6 | Fan To Air Pump | |
| 1986 | Chevrolet | Monte Carlo | 3.8L | V6 | Fan To Air Pump | |
| 1986 | Oldsmobile | Cutlass Salon | 3.8L | V6 | Fan To Air Pump | |
| 1986 | Oldsmobile | Cutlass Supreme | 3.8L | V6 | Fan To Air Pump | |
| 1986 | Pontiac | Bonneville | 3.8L | V6 | Fan To Air Pump | |
| 1986 | Pontiac | Grand Prix | 3.8L | V6 | Fan To Air Pump | |
| 1985 | Buick | LeSabre | 3.8L | V6 | Fan To Air Pump | |
| 1985 | Buick | Regal | 3.8L | V6 | Fan To Air Pump | |
| 1985 | Chevrolet | Caprice | 3.8L | V6 | Fan To Air Pump | |
| 1985 | Chevrolet | Impala | 3.8L | V6 | Fan To Air Pump | |
| 1985 | Chevrolet | Monte Carlo | 3.8L | V6 | Fan To Air Pump | |
| 1985 | Oldsmobile | Cutlass Salon | 3.8L | V6 | Fan To Air Pump | |
| 1985 | Oldsmobile | Cutlass Supreme | 3.8L | V6 | Fan To Air Pump | |
| 1985 | Oldsmobile | Delta 88 | 3.8L | V6 | Fan To Air Pump | |
| 1985 | Pontiac | Bonneville | 3.8L | V6 | Fan To Air Pump | |
| 1985 | Pontiac | Grand Prix | 3.8L | V6 | Fan To Air Pump | |
| 1985 | Pontiac | Parisienne | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Buick | LeSabre | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Buick | LeSabre | 4.1L | V6 | Fan To Air Pump | |
| 1984 | Buick | Regal | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Buick | Regal | 4.1L | V6 | Fan To Air Pump | |
| 1984 | Chevrolet | Caprice | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Chevrolet | El Camino | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Chevrolet | Impala | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Chevrolet | Monte Carlo | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Oldsmobile | Cutlass Calais | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Oldsmobile | Cutlass Supreme | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Oldsmobile | Delta 88 | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Pontiac | Bonneville | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Pontiac | Grand Prix | 3.8L | V6 | Fan To Air Pump | |
| 1984 | Pontiac | Parisienne | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Buick | LeSabre | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Buick | LeSabre | 4.1L | V6 | Fan To Air Pump | |
| 1983 | Buick | Regal | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Buick | Regal | 4.1L | V6 | Fan To Air Pump | |
| 1983 | Buick | Riviera | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Chevrolet | Caprice | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Chevrolet | El Camino | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Chevrolet | Impala | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Chevrolet | Malibu | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Chevrolet | Monte Carlo | 3.8L | V6 | Fan and Air Pump | |
| 1983 | Oldsmobile | 98 | 4.1L | V6 | Fan To Air Pump | |
| 1983 | Oldsmobile | Cutlass Calais | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Oldsmobile | Cutlass Cruiser | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Oldsmobile | Cutlass Supreme | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Oldsmobile | Delta 88 | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Pontiac | Bonneville | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Pontiac | Grand LeMans | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Pontiac | Grand Prix | 3.8L | V6 | Fan To Air Pump | |
| 1983 | Pontiac | Parisienne | 3.8L | V6 | Air Pump | |
| 1982 | Buick | LeSabre | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Buick | LeSabre | 4.1L | V6 | Fan To Air Pump | |
| 1982 | Buick | Regal | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Buick | Regal | 4.1L | V6 | Fan To Air Pump | |
| 1982 | Buick | Riviera | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Chevrolet | Caprice | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Chevrolet | El Camino | 3.8L | V6 | Fan and Air Pump | |
| 1982 | Chevrolet | Impala | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Chevrolet | Malibu | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Chevrolet | Monte Carlo | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Oldsmobile | 98 | 4.1L | V6 | Fan To Air Pump | |
| 1982 | Oldsmobile | Cutlass Calais | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Oldsmobile | Cutlass Cruiser | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Oldsmobile | Cutlass Supreme | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Oldsmobile | Delta 88 | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Pontiac | Bonneville | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Pontiac | Bonneville | 4.1L | V6 | Fan To Air Pump | |
| 1982 | Pontiac | Grand LeMans | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Pontiac | Grand LeMans | 4.1L | V6 | Fan To Air Pump | |
| 1982 | Pontiac | Grand Prix | 3.8L | V6 | Fan To Air Pump | |
| 1982 | Pontiac | Grand Prix | 4.1L | V6 | Fan To Air Pump | |
| 1982 | Pontiac | Parisienne | 3.8L | V6 | Fan To Air Pump | |
| 1981 | Buick | Riviera | 4.1L | V6 | Fan To Air Pump | |
| 1981 | Buick | Riviera | 3.8L | V6 | Fan To Air Pump | |
| 1981 | Cadillac | Eldorado | 4.1L | V6 | Fan To Air Pump | |
| 1981 | Cadillac | Seville | 4.1L | V6 | Fan To Air Pump | |
| 1981 | Oldsmobile | Toronado | 4.1L | V6 | Fan To Air Pump | |
| 1974 | Buick | Century | 7.5L | V8 | Air Pump | Compatible with vehicles containing air conditioning. |
| 1974 | Buick | LeSabre | 7.5L | V8 | Air Pump | Compatible with vehicles containing air conditioning. |
| 1974 | Buick | Regal | 7.5L | V8 | Air Pump | Compatible with vehicles containing air conditioning. |
| 1974 | Buick | Riviera | 7.5L | V8 | Air Pump | Compatible with vehicles containing air conditioning. |
| 1973 | Buick | Century | 7.5L | V8 | Air Pump | Compatible with vehicles containing air conditioning. |
| 1973 | Buick | LeSabre | 7.5L | V8 | Fan To Air Pump | |
| 1973 | Buick | Regal | 7.5L | V8 | Fan To Air Pump | |
| 1973 | Buick | Riviera | 7.5L | V8 | Fan To Air Pump | |
| 1972 | Buick | LeSabre | 7.5L | V8 | Air Pump | |
| 1972 | Buick | Riviera | 7.5L | V8 | 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.