TR4IX Iridium Plug 4 Box
Keep your vehicle performing the way it should with the NGK TR4IX Iridium Plug 4 Box. This replacement part is built as a dependable, direct-fit replacement for your vehicle.
Designed as a direct-fit replacement, it installs in place of your original part to restore proper function without dealer-level pricing. Backed by NGK aftermarket quality, it's a smart, cost-effective choice for repairs and upgrades alike.
Highlights
- Direct-replacement design
- Built to OE-equivalent quality
- Dependable everyday performance
Confirmed Fitment
- 2006–2011 Chevrolet IMPALA 6 Cyl 3
- 2006–2008 Chevrolet UPLANDER 6 Cyl 3
- 2009–2011 Buick LUCERNE 6 Cyl 3
- 2007–2010 Chevrolet MALIBU 6 Cyl 3
- 2006–2011 Chevrolet IMPALA
Please verify this part fits your specific vehicle before purchasing.