The Kooks O2 sensor extension harness is a 12 inch 6-pin rear oxygen sensor extension for 2011-2014 Ford Mustang Shelby GT500 with the 5.4L and 5.8L engines, designed to pair with Kooks headers and exhaust systems.
| Type | Rear O2 sensor extension harness |
| Length | 12 inch |
| Connector | 6-pin |
| Engine | 5.4L / 5.8L |
| Part number | CAS-109203 |
| Part Number | CAS-109203 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2014 | Ford | Mustang | Shelby GT500 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
