Kooks Headers · New
Kooks Universal O2 Sensor Ext Harn
MPN EX683-Z · Store SKU kshEX683-Z
Supplier stock checked 11/7/2026, 11:10:24 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
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 for 2010-2015 Camaro. Includes 2) 8in. Front Extension Harness (4-Pin). Extensions are included in Header kits where needed. This part is a replacement for damaged or lost Extensions. O2 Extension Kit for 2010-2015 Camaro. Includes 2) 8" Front Extension Harness (4-Pin). Extensions are included in Header kits where needed. This part is a replacement for damaged or lost Extensions. O2 Extension Kit for 2010-2015 Camaro. 2) 8in. Front Extension Harness (4-Pin) O2 Extension Kit for 2010-2015 Camaro. 2) 8" Front Extension Harness (4-Pin)
Manufacturer fitment & guides
Check EX683-Z against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- California Proposition 65: Y
