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Gates AX31 Accessory Drive Belt - Alternator
Reliable Performance with Gates AX31 Accessory Drive Belt
The Gates AX31 Classical Section Molded Notch V-Belt is engineered for consistent power transmission in automotive accessory drive systems. Designed with durable materials and precise construction, this belt supports efficient engine operation in various vehicle makes and models requiring a 33-inch circumference belt.
- Top width options: 0.5 inch and 13 mm for versatile fitment
- Notched construction enhances flexibility and heat dissipation
- Polyester cord material provides strength and durability
- Epdm belt material resists wear, heat, and environmental factors
- Single strand design for reliable accessory drive performance
- Cross section designation: Ax for classical section compatibility
About the Classical Section Molded Notch V-Belt Product Line
The Classical Section Molded Notch V-Belt line by Gates offers molded notch belts designed to improve belt flexibility and reduce heat buildup compared to traditional V-belts. This product line focuses on delivering consistent power transmission with enhanced durability, making it suitable for accessory drive belt systems in a range of automotive applications. The AX31 part number is a representative model within this line, featuring a notched design and polyester cord reinforcement for reliable service life.
Detailed Product Description
The Gates AX31 accessory drive belt features a notched construction that allows for better bending and heat dissipation, which helps maintain belt integrity under demanding engine conditions. The belt’s polyester cord material provides tensile strength and resistance to elongation, while the EPDM (ethylene propylene diene monomer) rubber compound offers resistance to heat, ozone, and wear. With an outside circumference of 33 inches (838 mm) and a top width of 0.5 inch (13 mm), this belt fits applications requiring the Ax cross section classical profile. The single strand design ensures consistent power delivery to engine accessories such as alternators, water pumps, and power steering pumps.
Common Applications and Problem Solving
- Replacement for worn or cracked accessory drive belts in compatible vehicles
- Addresses slipping or squealing belts caused by improper fit or wear
- Improves accessory drive efficiency by maintaining proper tension and flexibility
- Reduces heat-related belt degradation in high-temperature engine environments
- Suitable for vehicles requiring a classical section molded notch V-belt with Ax profile
Installation Notes and Tips
Ensure the belt is routed correctly according to the vehicle’s accessory drive diagram. Check pulleys for wear or misalignment before installation to prevent premature belt failure. Use proper tensioning tools to achieve manufacturer-recommended belt tension. Inspect the belt periodically for signs of cracking, fraying, or glazing to maintain optimal performance.
Quality Assurance and Warranty
Gates manufactures the AX31 belt to meet industry standards for accessory drive components. The use of EPDM rubber and polyester cords ensures durability and resistance to environmental factors. While specific warranty details are not provided, Gates products typically come with a limited warranty against manufacturing defects. Refer to Gates’ official documentation for warranty terms applicable to this part.
| Brand | Gates |
| Part Number | AX31 |
| Top Width | .5 |
| Top Width | 13 |
| Construction | Notched |
| Cord Material | Polyester |
| Cross Section Designation | Ax |
| Strand Quantity | 1 |
| Outside Circumference | 33 |
| Outside Circumference | 838 |
| Type | Classical section molded notch v-belt |
| Belt Material | Epdm |
| 9837 | Yes |
| Belt Material | Epdm |
| Construction | Notched |
| Cord Material | Polyester |
| Notched | Yes |
| Number of Strands | 1 |
| Section | Ax |
| Type | Classical section molded notch v-belt |
This part fits 0 vehicles. Search below:
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* 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.