OE Quality
60-Day Returns

Gates K080390 Serpentine Belt - Jackshaft To Supercharger
Reliable Serpentine Belt for Ford Thunderbird
The Gates Premium OE Micro-V Belt K080390 is engineered to meet the specific accessory drive needs of the Ford Thunderbird. Designed with durable materials and precise dimensions, this serpentine belt ensures consistent performance and longevity in your vehicle's engine system.
- Top width: 1.087 inches (28 mm)
- Effective length: 39.13 inches (994 mm)
- Outside circumference: 39.7 inches (1008 mm)
- 8 ribs for optimal grip and power transmission
- Belt material: EPDM for enhanced durability and heat resistance
- Cord material: Polyester for strength and flexibility
- Cross section designation: K, standard automotive v-ribbed belt
About the Gates Premium OE Micro-V Belt Line
The Premium OE Micro-V Belt line by Gates is designed to provide original equipment (OE) performance and fitment. These belts are manufactured to meet or exceed OEM specifications, ensuring reliable operation in demanding automotive environments. The K080390 model is part of this line, offering a balance of durability and flexibility suitable for the Ford Thunderbird's accessory drive system.
Product Details and Specifications
This serpentine belt features a top width of 1.087 inches (28 mm) and an effective length of 39.13 inches (994 mm), with an outside circumference of 39.7 inches (1008 mm). The belt includes 8 ribs, which provide a secure grip on pulleys, reducing slippage and wear. Constructed from EPDM material, the belt resists heat, ozone, and wear, while the polyester cord material adds tensile strength and flexibility. The K cross section designation aligns with standard automotive v-ribbed belt designs, making it compatible with the Ford Thunderbird's accessory drive components.
Common Applications and Problem Solving
- Replacement for worn or cracked serpentine belts on Ford Thunderbird models
- Addresses belt slippage and squealing noises
- Prevents accessory drive system failures due to belt degradation
- Maintains proper tension and power transmission to engine components
- Helps avoid overheating issues related to cooling system belt failure
Installation Notes and Tips
When installing the Gates Premium OE Micro-V Belt K080390, ensure the belt is routed correctly according to the Ford Thunderbird’s accessory drive diagram. Inspect pulleys and tensioners for wear or damage before installation. Proper tensioning is critical to prevent premature belt wear or slippage. Use appropriate tools to avoid damaging the belt during installation.
Quality Assurance and Warranty
Gates manufactures the Premium OE Micro-V Belt to meet stringent quality standards, ensuring reliable performance and durability. This belt carries an OE comparison rating, confirming it meets original equipment specifications. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support long-term use in automotive applications.
| Brand | Gates |
| Part Number | K080390 |
| Position | Premium OE Micro-V Belt, Jackshaft To Supercharger |
| Top Width | 1.087 |
| Top Width | 28 |
| Cord Material | Polyester |
| Cross Section Designation | K |
| Effective Length | 39.13 |
| Effective Length | 994 |
| Outside Circumference | 1008 |
| Outside Circumference | 39.7 |
| Type | Automotive v-ribbed belt (standard) |
| Rib Quantity | 8 |
| Washer Pump Included | Epdm |
| Belt Material | Epdm |
| Cord Material | Polyester |
| OE Comparison Rating | Oe performance |
| Section | K |
| Type | Automotive v-ribbed belt (standard) |
This part fits 1 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1989 | Ford | Thunderbird | 3.8L | V6 | GAS | Jackshaft To Supercharger | Optional Belt; Premium OE Micro-V Belt |
* 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.