
Vehicle Specific
Check if it fits by entering your vehicle info| Brand | Denso | 
| Part Number | 5339 | 
| Part Description | Iridium Power™ Spark Plug | 
| Center Electrode Core Material | Copper | 
| Electrode Material | Iridium | 
| Gap | 1.1 mm | 
| Ground Configuration | Standard | 
| Ground Electrode Core Material | Nickel | 
| Ground Electrode Tip Design | Tapercut, U-Groove | 
| Heat Range | 20 | 
| Hex Size | 5/8" (16 mm) | 
| UPC | 042511053397 | 
| OE Part Number | ITV20 | 
| Overall Height | ISO | 
| Reach | 25 mm (1") | 
| Resistance | 5000 Ohms | 
| Seat Type | Tapered | 
| Spark Plug Reach | 25 mm | 
| Terminal Type | Solid | 
| Thread Diameter | 14 mm | 
| Thread Pitch | 1.25 mm | 
| Wrench Diameter | 16 mm | 
| Year Make Model | Trim | Engine | 
|---|---|---|
| 2008 Buick Enclave | All Trims | 6 Cyl 3.6L | 
| 2010-2017 Buick Enclave | All Trims | 6 Cyl 3.6L | 
| 2010 Buick LaCrosse | All Trims | 6 Cyl 3.0L | 
| 2010 Buick LaCrosse | All Trims | 6 Cyl 3.6L | 
| 2012-2016 Buick LaCrosse | All Trims | 6 Cyl 3.6L | 
| 2014-2015 Buick Regal | All Trims | 4 Cyl 2.0L | 
| 2013-2015 Cadillac ATS | All Trims | 4 Cyl 2.0L | 
| 2013-2015 Cadillac ATS | All Trims | 6 Cyl 3.6L | 
| 2004-2006 Cadillac CTS | All Trims | 6 Cyl 3.6L | 
| 2005-2006 Cadillac CTS | All Trims | 6 Cyl 2.8L |