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Replace the O2 extensions your Corvette needs
Replace damaged or missing rear O2 extensions on your C6 Z06 or ZR1. Kooks CAS-105630 supplies the two rear four-pin harnesses, ready for your installer to route the sensor wiring clear of the exhaust.
SKU: CAS-105630
Buy the replacement harnesses you need
This is a replacement kit for damaged or lost extensions. Kooks supplies O2 extensions with its header kits where they are needed, so check the parts already supplied before ordering extras.
Match the rear connectors
The kit contains two rear four-pin extensions. Match the exact sensor connector and harness arrangement on your installation, and have the wiring secured clear of the hot exhaust.
Vehicle fitment
| Years | Vehicle / trim | Engine | Applicable SKU | Fitting conditions |
|---|---|---|---|---|
| 2006-2013 | Chevrolet Corvette Z06 | 7.0L V8 | CAS-105630 | Rear four-pin O2 extension replacement; check exact connector on retained sensor |
| 2009-2013 | Chevrolet Corvette ZR1 | 6.2L V8 | CAS-105630 | Rear four-pin O2 extension replacement; check exact connector on retained sensor |
Ordering and delivery
Estimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.
Technical specifications
| Specification | Details |
|---|---|
| SKU | CAS-105630 |
| Application | 2006-2013 Corvette C6 Z06 7.0L / 2009-2013 ZR1 6.2L |
| Included | Two rear O2 extension harnesses |
| Connector type | Four-pin |
| Purpose | Replacement for damaged or lost extensions |
| Header kit contents | O2 extensions already supplied with Kooks header kits where needed |
Frequently asked questions
Are front O2 extensions included?
CAS-105630 supplies the two rear four-pin extensions.
Do I need to buy these with a new header kit?
Kooks includes O2 extensions with header kits where needed. This listing is for replacements when an extension is damaged or lost.
