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AUTOLITE PLATINUM

Platinum Spark Plug

AP5243

Product Description

Step up to platinum. A center wire platinum firing tip provides improved performance and durability*. They fire quicker and cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy versus standard plugs. Guaranteed for 4 years.**

Product Specs

Thread Size	14mm X 1.25
Reach	.708"
Hex Size	5/8" (16mm)
Seat Type	Tapered
Tip Configuration	Long Projection
Resistor	Resistor
Gap	.044"/1.1mm
Heat Range Chart Row	34
Metal Type	Platinum
Terminal Type	Solid
Package Qty	1

Where to Buy

Applications where used

Make	Model	Year	Notes	Gap
CADILLAC	CTS	2006-2007	V8 6.0	.050"/1.3mm
CADILLAC	CTS	2009-2015	V8 6.2	.040"/1.0mm
CADILLAC	ESCALADE	2011-2013	V8 6.0	.040"/1.0mm
CADILLAC	ESCALADE	2007-2016	V8 6.2	.040"/1.0mm
CADILLAC	ESCALADE ESV	2007-2016	V8 6.2	.040"/1.0mm
CADILLAC	ESCALADE EXT	2007-2013	V8 6.2	.040"/1.0mm
CHEVROLET	AVALANCHE	2013	V8 5.3	.040"/1.0mm
CHEVROLET	CAMARO	2010-2015	V8 6.2	.040"/1.0mm
CHEVROLET	CAPRICE	2013-2017	V8 6.0	.040"/1.0mm
CHEVROLET	CORVETTE	2008-2013	V8 6.2	.040"/1.0mm
CHEVROLET	CORVETTE	2006-2013	V8 7.0	.040"/1.0mm
CHEVROLET	EXPRESS 1500	2011-2014	V8 5.3	.040"/1.0mm
CHEVROLET	EXPRESS 2500	2013-2017	V8 4.8	.040"/1.0mm
CHEVROLET	EXPRESS 2500	2011-2020	V8 6.0	.040"/1.0mm
CHEVROLET	EXPRESS 3500	2011-2017	V8 4.8	.040"/1.0mm
CHEVROLET	EXPRESS 3500	2011-2020	V8 6.0	.040"/1.0mm
CHEVROLET	EXPRESS 4500	2009-2020	V8 6.0	.040"/1.0mm
CHEVROLET	IMPALA	2006-2009	V8 5.3	.040"/1.0mm
CHEVROLET	LCF 3500	2016-2018	V8 6.0	.040"/1.0mm
CHEVROLET	LUMINA	1991-1995	V6 3.4	.045"/1.1mm
CHEVROLET	MONTE CARLO	1995	V6 3.4	.045"/1.1mm
CHEVROLET	SILVERADO 1500	2011-2013	V8 4.8	.040"/1.0mm
CHEVROLET	SILVERADO 1500	2011-2013	V8 5.3	.040"/1.0mm
CHEVROLET	SILVERADO 1500	2011-2013	V8 6.0	.040"/1.0mm
CHEVROLET	SILVERADO 1500	2011-2013	V8 6.2	.040"/1.0mm
CHEVROLET	SILVERADO 2500 HD	2011-2019	V8 6.0	.040"/1.0mm
CHEVROLET	SILVERADO 3500 HD	2011-2019	V8 6.0	.040"/1.0mm
CHEVROLET	SS	2014-2017	V8 6.2	.040"/1.0mm
CHEVROLET	SSR	2003-2004	V8 5.3	.040"/1.0mm
CHEVROLET	SSR	2005-2006	V8 6.0	.040"/1.0mm
CHEVROLET	SUBURBAN 1500	2013-2014	V8 5.3	.040"/1.0mm
CHEVROLET	SUBURBAN 2500	2013	V8 6.0	.040"/1.0mm
CHEVROLET	SUBURBAN 3500 HD	2016-2019	V8 6.0	.040"/1.0mm
CHEVROLET	TAHOE	2011-2014	V8 5.3	.040"/1.0mm
CHEVROLET	TAHOE	2010-2013	V8 6.0	.040"/1.0mm
GMC	SAVANA 1500	2013-2014	V8 5.3	.040"/1.0mm
GMC	SAVANA 2500	2013-2017	V8 4.8	.040"/1.0mm
GMC	SAVANA 2500	2013-2020	V8 6.0	.030"/0.8mm .040"/1.0mm CNG FLEX
GMC	SAVANA 3500	2013-2017	V8 4.8	.040"/1.0mm
GMC	SAVANA 3500	2013-2020	V8 6.0	.030"/0.8mm .040"/1.0mm CNG FLEX
GMC	SAVANA 4500	2013-2019	V8 6.0	.030"/0.8mm .040"/1.0mm CNG FLEX GAS
GMC	SIERRA 1500	2013	V8 4.8	.040"/1.0mm
GMC	SIERRA 1500	2013	V8 5.3	.040"/1.0mm
GMC	SIERRA 1500	2013	V8 6.0	.040"/1.0mm
GMC	SIERRA 1500	2013	V8 6.2	.040"/1.0mm
GMC	SIERRA 2500 HD	2013-2019	V8 6.0	.030"/0.8mm .040"/1.0mm CNG FLEX; GAS
GMC	SIERRA 3500 HD	2013-2019	V8 6.0	.040"/1.0mm
GMC	YUKON	2013-2014	V8 5.3	.040"/1.0mm
GMC	YUKON	2013	V8 6.0	.040"/1.0mm
GMC	YUKON	2013-2014	V8 6.2	.040"/1.0mm
GMC	YUKON XL 1500	2013-2014	V8 5.3	.040"/1.0mm
GMC	YUKON XL 1500	2013-2014	V8 6.2	.040"/1.0mm
GMC	YUKON XL 2500	2013	V8 6.0	.040"/1.0mm
OLDSMOBILE	CUTLASS SUPREME	1991-1995	V6 3.4	.045"/1.1mm
PONTIAC	G8	2009	V8 6.2	.040"/1.0mm
PONTIAC	GRAND PRIX	1991-1995	V6 3.4	.045"/1.1mm

Competitor comparison

Competitor Name	Competitor Part#
AC-DELCO	R42LTSM
BOSCH	HR8LPP30U
BOSCH	HR8LPX
BOSCH	HR8LPX+
MOTORCRAFT	AGSF23C
SPLITFIRE	PP524C