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The Kooks oxygen sensor extension harnesses identified by manufacturer part number CAS-104110 is supplied in the exact configuration described as O2 Extension Kit for 2009-2023 Ram 1500 CLASSIC w/ 5.7L HEMI. Confirm the complete part number, application, connection points, emissions requirements, and included components before ordering.
Key Features
- The Kooks CAS-104110 extension harness set adds the exact length needed to reconnect your rear O2 sensors without splicing wires or triggering check engine lights.
- The CAS-104110 adds the length needed to reconnect the sensors properly.
- The kit includes two 6-inch extension harnesses, one for each rear O2 sensor location.
- The Kooks CAS-104110 is a set of two 6-inch O2 sensor extension harnesses designed for 2009-2015 Ram 1500 trucks with the 5.7L HEMI engine.
- The CAS-104110 is designed for 2009-2015 Ram 1500 trucks equipped with the 5.7L HEMI V8.
- No, the extension is designed to maintain proper sensor signal integrity and prevent codes caused by an improperly seated or strained connector.
Fitment
| Years | Make | Model | Application Notes |
|---|---|---|---|
| 2009-2015 | Ram | 1500 | Verify engine, emissions equipment, transmission, and exhaust configuration |
Specifications
| Brand | Kooks Headers |
|---|---|
| Manufacturer Part Number | CAS-104110 |
| Product Type | Oxygen Sensor Extension Harnesses |
| Material | Manufacturer-specified materials |
| Nominal Dimensions | Confirm exact part dimensions |
| Fitment Type | Vehicle Specific |
What's Included
- 2) 6" Extension Harness (4-pin)
About Kooks Headers
Kooks manufactures performance exhaust components in the United States, including headers, connection pipes, catalytic-converter assemblies, cat-back systems, mufflers, flanges, and installation hardware. Exact part-number verification is essential because similar-looking components can use different engine, chassis, emissions, and connection configurations.
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Frequently Asked Questions
Will this Kooks oxygen sensor extension harnesses fit my 2009-2015 Ram 1500?
That year, make, and model range is listed. Confirm the engine, emissions equipment, transmission, body configuration, existing exhaust, and exact Kooks part number before ordering.
Does this harness replace an oxygen sensor?
No. An extension harness changes connector reach for the specified installation and does not replace a failed oxygen sensor unless the exact product title states otherwise.
How should the harness be routed?
Keep it away from exhaust heat, sharp edges, moving parts, and tension. Secure the connectors and verify the wiring cannot contact the exhaust through the full range of movement.
Installation Instructions
- Verify the exact part number, application, emissions configuration, connection sizes, and package contents before disassembly.
- Support the vehicle safely and follow the factory service procedure together with the current Kooks instructions for this part number.
- Test-fit every component before cutting, welding, or permanently tightening the exhaust system.
- Route oxygen-sensor wiring and nearby hoses, lines, and cables away from heat, sharp edges, and moving parts.
- Torque fasteners in the specified sequence, inspect for leaks and clearance, and recheck accessible connections after initial heat cycles.
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