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Reliable ignition performance for various vehicles
The Autolite Spark Plug 5243 is engineered to provide exceptional ignition performance for a wide range of vehicles, including Japanese, European, and Korean models. With over a century of experience in the automotive industry, Autolite ensures that each spark plug meets or exceeds original equipment (OE) quality standards, making it a trusted choice for both aftermarket and OEM applications.
Features
- Copper-Glass Seal bonds the insulator, terminal post, and center electrode for a gas-tight seal, ensuring full voltage at the spark gap.
- Multi-rib insulator design minimizes the risk of "flash-over" for enhanced reliability.
- One-piece terminal post construction adds strength and durability.
- Cold-formed steel shell with precision rolled threads for secure installation.
- Full copper core electrode enhances performance across various conditions.
- Designed to deliver quick starts, improved fuel economy, and smooth acceleration.
- Resistor technology reduces radio frequency interference (RFI) and minimizes electrode erosion.
Specifications
- Manufacturer: Autolite Spark Plugs
- Manufacturer Part Number: 5243
- Resistor: Yes
- Electrode Type: OEM
- Electrode Core Material: Copper
- Electrode Tip Material: Nickel Alloy
- Insulator Type: Projected
- Thread Size (IN): 0.551 Inch
- Quantity: Single
- Reach: 0.708 Inch
- Seat Type: Tapered
- Wrench Diameter: 5/8 Inch
Compatibility/Fit
- 2001-2004 Avanti II
- 2008-2009 Buick LaCrosse
- 2004-2007 Buick Rainier
- 2004-2007 Cadillac CTS
- 2002-2014 Cadillac Escalade
- 2003-2014 Cadillac Escalade ESV
- 2002-2013 Cadillac Escalade EXT
- 2007-2013 Chevrolet Avalanche
- 2002-2006 Chevrolet Avalanche 1500
- 1999-2002 Chevrolet Camaro
- 2010-2014 Chevrolet Camaro
- 2011-2017 Chevrolet Caprice
- 2009-2012 Chevrolet Colorado
- 1999-2013 Chevrolet Corvette
- 2003-2014 Chevrolet Express 1500
- 2003-2020 Chevrolet Express 2500
- 2003-2020 Chevrolet Express 3500
- 2009-2020 Chevrolet Express 4500
- 2006-2009 Chevrolet Impala
- 1991-1995 Chevrolet Lumina
- 1995-1995 Chevrolet Monte Carlo
- 2006-2007 Chevrolet Monte Carlo
- 1999-2006 Chevrolet Silverado 1500
- 2008-2018 Chevrolet Silverado 1500
- 2007-2007 Chevrolet Silverado 1500 Classic
- 2001-2003 Chevrolet Silverado 1500 HD
- 2005-2006 Chevrolet Silverado 1500 HD
- 2007-2007 Chevrolet Silverado 1500 HD Classic
- 2019-2019 Chevrolet Silverado 1500 LD- Old Model
- 1999-2004 Chevrolet Silverado 2500
- 2001-2014 Chevrolet Silverado 2500 HD
- 2001-2006 Chevrolet Silverado 3500
- 2007-2007 Chevrolet Silverado 3500 Classic
- 2007-2014 Chevrolet Silverado 3500 HD
- 2014-2017 Chevrolet SS
- 2003-2006 Chevrolet SSR
- 2000-2014 Chevrolet Suburban 1500
- 2000-2013 Chevrolet Suburban 2500
- 2000-2013 Chevrolet Tahoe
- 2006-2009 Chevrolet Trailblazer
- 2003-2006 Chevrolet Trailblazer EXT
- 2009-2012 GMC Canyon
- 2005-2009 GMC Envoy
- 2003-2006 GMC Envoy XL
- 2004-2005 GMC Envoy XUV
- 2003-2014 GMC Savana 1500
- 2003-2020 GMC Savana 2500
- 2003-2020 GMC Savana 3500
- 2009-2020 GMC Savana 4500
- 1999-2018 GMC Sierra 1500
- 2001-2003 GMC Sierra 1500 HD
- 2005-2006 GMC Sierra 1500 HD
- 2007-2007 GMC Sierra 1500 HD Classic
- 2019-2019 GMC Sierra 1500 Limited- Old Model
- 1999-2004 GMC Sierra 2500
- 2001-2014 GMC Sierra 2500 HD
- 2001-2006 GMC Sierra 3500
- 2007-2007 GMC Sierra 3500 Classic
- 2007-2014 GMC Sierra 3500 HD
- 2000-2014 GMC Yukon
- 2000-2014 GMC Yukon XL 1500
- 2000-2013 GMC Yukon XL 2500
- 2003-2009 Hummer H2
- 2008-2010 Hummer H3
- 2009-2010 Hummer H3T
- 1991-1995 Oldsmobile Cutlass Supreme
- 1999-2002 Pontiac Firebird
- 2008-2009 Pontiac G8
- 1991-1995 Pontiac Grand Prix
- 2005-2008 Pontiac Grand Prix
- 2004-2004 Pontiac GTO
- 2007-2009 Saab 9-7x
Shipping & Returns
- This product ships to the US and Canada.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition.
