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Kooks Headers

Kooks 2014-2019 Chevrolet Corvette C7 O2 Sensor Extension Harness - EX685-Z

Kooks 2014-2019 Chevrolet Corvette C7 O2 Sensor Extension Harness - EX685-Z

$72.00 USD
$72.00 USD
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Shipping calculated at checkout.
Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"

O2 Extension Kit 2014-2019 C7 Corvette 1) 16" Rear Extension Harness (4-Pin) 1) 21" Rear Extension Harness (4-Pin). Extensions are included in Header kits where needed. This part is a replacment for damaged or lost Extensions.

Fits: O2 Extension Kit 2014-2019 C7 Corvette 1) 16in. Rear Extension Harness (4-Pin) 1) 21in. Rear Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.
EPA Status: N/A

Vehicle Fitment

  • 2014 Chevrolet Corvette Stingray
  • 2015 Chevrolet Corvette Stingray
  • 2015 Chevrolet Corvette Z06
  • 2016 Chevrolet Corvette Stingray
  • 2016 Chevrolet Corvette Z06
  • 2017 Chevrolet Corvette Grand Sport
  • 2017 Chevrolet Corvette Stingray
  • 2017 Chevrolet Corvette Z06
  • 2018 Chevrolet Corvette Grand Sport
  • 2018 Chevrolet Corvette Stingray
  • 2018 Chevrolet Corvette Z06
  • 2019 Chevrolet Corvette Z06
  • 2019 Chevrolet Corvette Stingray
  • 2019 Chevrolet Corvette Grand Sport
  • 2019 Chevrolet Corvette ZR1

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Guaranteed Quality

St. Paul Speed & Performance hand selects the brands we offer based on decades of experience in domestic automotive performance and modification. If you ever experience a problem with your order, our representatives are well equipped to help ensure your purchase brings satisfaction.

  • Best Available Price

    St. Paul Speed & Performance's distribution partners work to provide us with the best possible price for the products we sell. We pass that on to you, the customer. If you find a product you are interested in at a lower price elsewhere, please let us know and we will match that price if we can.

  • Returns

    We accept unopened items free of charge, excluding shipping fees.
    Unfortunately, during this time, we can not process opened items that
    would typically have a restocking fee.