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Lowest Price GuaranteeSpark Plug1987-1989 Buick Century/Skyhawk & Oldsmobile Cutlass Ciera/Cutlass Cruiser; 1987-1988 Cadillac Cimarron & Oldsmobile Firenza Hex Size: 15.88 MM Sold Individually
ACDelco R44LTSM Spark Plug is designed as an application-specific service replacement that supports proper fit, function, and system integration. Delivers the ignition spark required to initiate combustion in the engine cylinder. Verify vehicle fitment and system configuration before installation.
ACDelco R44LTSM Features:
- Application-specific heat range, reach, and terminal configuration should be matched to the specified vehicle application
- Application-specific replacement spark plug for compatible engines
ACDelco R44LTSM Fitment:
- 1987-1989 Buick Century/Skyhawk & Oldsmobile Cutlass Ciera/Cutlass Cruiser
- 1987-1988 Cadillac Cimarron & Oldsmobile Firenza
- 1987-1993 Chevy Beretta/Corsica
- 1987-1994 Chevy Cavalier
- 1987-1990 Chevy Celebrity
- 1987-1991 Pontiac 6000/Tempest
- 1988-1993 Buick Regal & Oldsmobile Cutlass Supreme & Pontiac Grand Prix
- 1990-1994 Chevy Lumina
- 1991-1994 Pontiac Sunbird
- 1993 Buick Century & Oldsmobile Cutlass Ciera
- 1997 Chevy Cavalier & Isuzu Hombre & Pontiac Sunfire
- 1999-2002 Chevy Camaro & Pontiac Firebird
- 1999-2010 Chevy Corvette/Silverado 1500 & GMC Sierra 1500
- 1999-2004 Chevy Silverado 2500 & GMC Sierra 2500
- 2000-2010 Chevy Suburban 1500/Suburban 2500/Tahoe & GMC Yukon/Yukon XL 1500/Yukon XL 2500
- 2001-2003 Chevy Silverado 1500 HD & GMC Sierra 1500 HD
- 2001-2010 Chevy Silverado 2500 HD & GMC Sierra 2500 HD
- 2001-2006 Chevy Silverado 3500 & GMC Sierra 3500
- 2001-2004 Avanti II
- 2002-2010 Cadillac Escalade/Escalade EXT
- 2002-2006 Chevy Avalanche 1500
- 2003-2006 Chevy SSR/Trailblazer EXT & GMC Envoy XL & Isuzu Ascender
- 2003-2010 Cadillac Escalade ESV & Chevy Express 1500/Express 2500/Express 3500 & GMC Savana 1500/Savana 2500/Savana 3500
- 2003-2009 Hummer H2
- 2004-2007 Buick Rainier & Cadillac CTS
- 2004-2005 GMC Envoy XUV & Workhorse FasTrack FT1061/FasTrack FT1461/FasTrack FT1601/FasTrack FT1801
- 2004-2006 Pontiac GTO
- 2005-2006 Chevy Silverado 1500 HD & GMC Sierra 1500 HD
- 2005-2009 GMC Envoy & Saab 9-7x
- 2005-2008 Pontiac Grand Prix
- 2005 Workhorse FasTrack FT1261
- 2006-2009 Chevy Impala/Trailblazer
- 2006-2007 Chevy Monte Carlo
- 2007-2010 Chevy Avalanche/Silverado 3500 HD & GMC Sierra 3500 HD
- 2008-2009 Buick Allure/LaCrosse & Pontiac G8
- 2008-2010 Hummer H3
- 2009-2010 Cadillac CTS & Chevy Colorado/Express 4500 & GMC Canyon/Savana 4500 & Hummer H3T
- 2010 Chevy Camaro
ACDelco R44LTSM Notes:
- Verify vehicle application, position, and system configuration before installation.
Part TypeSpark Plug
BrandACDELCO
Package Height1.0
Package Width2.45
Package Length5.7
Weight0.055 PG
Part CategoryReplacement Parts
Gap Size (Mm)1.12
Reach (Mm)17.25
Reach0.67 in (17 mm)
Thread Diameter0.551 in (14 mm)
Pack Of1
Ground Electrode Quantity1
Ground Electrode Tip DesignSingle Prong Electrode
Ground ConfigurationSingle
Thread Size14mm
Thread Diameter (Mm)14.00
Center Electrode Core MaterialCopper
Insulator Height (Mm)51.46
Resistance2-12k ohms
Gap Size0.044 in (1.118 mm)
Resistor PlugYes
Seat TypeTapered
Insulator Height2.026 in (51.46 mm)
Center Electrode Tip MaterialNickel
Ground Electrode Core MaterialNickel Alloy
Part FitmentDirect Fit
Manufacturer Heat Range4
Hex Size0.625 in (15.875 mm)
Vendor Part NumberR44LTSM
Package Qty1
Package TypeEA
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