Kooks 5.7L HEMI O2 Sensor Extension Harnesses - Ram 1500 / Durango / Grand Cherokee 2007-2018

This Kooks kit provides two 6 inch, 4 pin oxygen sensor extension harnesses that relocate the O2 sensors after fitting longer headers on the 5.7L HEMI, keeping the factory sensors in reach and helping avoid connector strain and check engine codes. Like all Kooks hardware it is handcrafted in the USA to the same quality standard as the company's headers and exhaust systems.

Specifications

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy