Denso Heavy-Duty Spark Plugs

Brand: Denso | Part #ENG-43D900

Category: Engine Parts > Spark Plugs

The Denso Heavy-Duty Spark Plugs (P/N ENG-43D900) is a direct-fit Spark Plugs for the vehicles listed in the fitment section. Materials are spec'd for the operating temperatures and pressures of modern direct-injection and turbocharged engines. Sourced from Denso, a recognized supplier in the aftermarket auto parts channel. Part number ENG-43D900 is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2018–2021 Infiniti, Chevrolet, Ford, Kia including QX50, QX80, Trailblazer, Malibu, Silverado, Expedition. Use the year/make/model selector above to verify your exact configuration before checkout. In-stock items leave the warehouse within one business day. Free shipping over $75; ground delivery is 3–7 business days nationwide. 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: $41.99 | In stock — ships within 1-2 business days. Free shipping on orders over $75.