Denso O2 Sensors

Brand: Denso | Part #EXH-121979

Category: Exhaust > O2 Sensors

The Denso O2 Sensors (P/N EXH-121979) is a direct-fit O2 Sensors for the vehicles listed in the fitment section. Aluminized or stainless construction (per listing) for corrosion life that matches or exceeds the OE component being replaced. Sourced from Denso, a recognized supplier in the aftermarket auto parts channel. Part number EXH-121979 is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2013–2023 Infiniti including Q50. Use the year/make/model selector above to verify your exact configuration before checkout. Ships from a US warehouse in 1–2 business days. Free shipping on orders $75+, flat-rate ground otherwise. Backed by a 90-day return window — if the part doesn't fit or the wrong unit was shipped, send it back for a full refund.

Price: $67.99 | In stock — ships within 1-2 business days. Free shipping on orders over $75.