Kooks Headers · New

Kooks 18+ Ford Mustang 8in. Front O2 Extension Harness

Name: Kooks 18+ Ford Mustang 8in. Front O2 Extension Harness
Brand: Kooks Headers
SKU: kshCAS-109677-8
Price: 38.80 USD

MPN CAS-109677-8 · Store SKU kshCAS-109677-8

$38.80

IN STOCK9 ready to ship

Supplier stock checked 11/8/2026, 4:23:40 AM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

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 Harness 2018+ Mustang 1) 8 inch Front Extension Harness (5-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part is a replacment for damaged or lost Extensions. O2 Extension Harness 2018+Mustang 1) 8 inch Front Extension Harness (5-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part is a replacment for damaged or lost Extensions. O2 Extension Harness 2018+ Mustang 1) 8 inch Front Extension Harness (5-Pin) O2 Extension Harness 2018+Mustang 1) 8 inch Front Extension Harness (5-Pin)

Manufacturer fitment & guides

Check CAS-109677-8 against the manufacturer’s application information below.

Warranty ↗

Part-specific notes

California Proposition 65: Y

Manufacturer documents

Warranty

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