/live/media/6N/6N_1258K8MK_Generic.jpg)
OE Quality
60-Day Returns
ContitechPart #: 1258K8MK
Contitech 1258K8MK Serpentine Belt - Accessory Drive
⚙️ 10 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$54.18Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-250 Super Duty and F-350 Super Duty
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Serpentine Belt options
Contitech 1258K8MK Serpentine Belt - Accessory Drive
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Ford | F-250 Super Duty | 6.0L | V8 | Accessory Drive | Multi-V; Single Alt, W/ 125.8" Effective Length Belt |
| 2007 | Ford | F-350 Super Duty | 6.0L | V8 | Accessory Drive | Multi-V; Single Alt, W/ 125.8" Effective Length Belt |
| 2006 | Ford | F-250 Super Duty | 6.0L | V8 | Accessory Drive | Multi-V; Single Alt, W/ 125.8" Effective Length Belt |
| 2006 | Ford | F-350 Super Duty | 6.0L | V8 | Accessory Drive | Multi-V; Single Alt, W/ 125.8" Effective Length Belt |
| 2005 | Ford | F-250 Super Duty | 6.0L | V8 | Accessory Drive | Multi-V; Single Alt, W/ 125.8" Effective Length Belt |
| 2005 | Ford | F-350 Super Duty | 6.0L | V8 | Accessory Drive | Multi-V; Single Alt, W/ 125.8" Effective Length Belt |
| 2004 | Ford | F-250 Super Duty | 6.0L | V8 | Accessory Drive | Multi-V; Single Alt, W/ 125.8" Effective Length Belt |
| 2004 | Ford | F-350 Super Duty | 6.0L | V8 | Accessory Drive | Multi-V; Single Alt, W/ 125.8" Effective Length Belt |
| 2003 | Ford | F-250 Super Duty | Accessory Drive | Multi-V; Single Alt, W/ 125.8" Effective Length Belt | ||
| 2003 | Ford | F-350 Super Duty | Accessory Drive | Multi-V; Single Alt, W/ 125.8" Effective Length Belt |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.