Vehicle Fitment

Make	Model	Year
Buick	Allure	2005-2009
	Century	1994-2005
	Electra	1988-1990
	Lacrosse	2005-2009
	Le Sabre	1988-2005
	Lucerne	2006-2008
	Park Avenue	1991-2005
	Reatta	1988-1991
	Regal	1990-2004
	Rendezvous	2002-2007
	Riviera	1988-1993, 1995-1999
	Skylark	1994-1998
	Terraza	2005-2006
Chevy	Astro	1996-2005
	Beretta	1994-1996
	Blazer	1998-2005
	Camaro	1995-2002
	CK Pickup	1996-2000
	Corsica	1994-1996
	Equinox	2005-2009
	Express	1996-2007
	Impala	2000-2005
	Lumina	1992-2001
	Malibu	1997-2006
	Monte Carlo	1995-2005
	P-Series	1996-1999
	S-10 Pickup	1998-2004
	Silverado 1500	1999-2008, 2010-2013
	Suburban	1996-1999
	Uplander	2005-2006
	Venture	1997-2005
Ford	F-150	2008
GMC	CK Pickup	1996-2000
	Jimmy	1998-2005
	P-Series	1996-1999
	Safari	1996-2005
	Savana	1996-2007, 2011-2014
	Sierra 1500	1999-2013
	Sonoma	1998-2004
	Suburban	1996-1999
Oldsmobile	Achieva	1994-1998
	Alero	1999-2004
	Ciera	1994-1996
	Cutlass	1993-1999
	Eighty-Eight	1988-1999
	Intrigue	1998-1999
	Ninety-Eight	1988-1996
	Silhouette	1992-2004
	Toronado	1988-1992
Pontiac	Aztek	2001-2005
	Bonneville	1988-2005
	Firebird	1995-2002
	G6	2005-2006
	Grand Am	1994-2005
	Grand Prix	1994-2008
	Montana	1999-2006
	Torrent	2006-2009
	Trans Sport	1992-1999
Saturn	Relay	2005-2006

Product Details

Laser Platinum™ Spark Plug (5146) by NGK®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an affordable cost.

Specifications

Thread Diameter: 14 mm

Thread Pitch: 1.25 mm

Seat Type: Tapered

Reach: 18 mm (.709")

Hex Size: 5/8" (16 mm)

Terminal Type: Solid

Overall Height: ISO

Gap: .059" (1.5 mm)

Center Electrode

Material: Platinum

Type: Fine Wire

Size: 1.0 mm

Projection: Projected

Ground Electrode

Type: Standard

Quantity: 1

Resistor: Yes

Resistor Value: 1K Ohm

Heat Range: 4

Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft.

Electrode Material: Platinum

Nominal Gap: 1.5 mm

Features

Provide faster starts and quicker acceleration than a traditional plug
Ensure better fuel economy and lower emissions compared to an original plug
OE approved design
Laser welded platinum center electrode tip
Platinum disc welded to backside of ground electrode
Ideal for applications with DIS (Distributorless Ignition System) “waste spark” ignition systems that require double precious metal spark plugs
Manufactured using triple-gasket sealing process to prevent leakage through the shell
Alumina silicate insulator for strength and optimal heat transfer
Cold-rolled threads for easier removal and installation
Corrugated ribs eliminate misfire causing “flashover”
Superior anti-fouling
Trivalent metal plating

Since its inception, the Autolite® brand has provided the automotive aftermarket and Original Equipment manufacturers the highest quality ignition products. Autolite has been in operation for over 100 years and produced more than 11 billion spark plugs and glow plugs. Autolite plugs are specifically designed for each application to meet or exceed OE quality and performance. Autolite makes plugs for Japanese, European and Korean cars as well as plugs for Lawn & Garden and Power Sports.

As a leading supplier of spark plugs, ignition wire sets and Coil-on-Plug boots, the Autolite brand has the right ignition products for your vehicle, regardless of make or model, import or domestic.

Starting with a single product in 1936, NGK® became the world leader in innovation, technology, and premium quality in the manufacture of spark plugs for virtually every automotive manufacturer in the world. NGK`s extraordinary growth can be attributed to a philosophy of manufacturing the product where it is going to be used, which means a substantial number of products sold in the USA are made in America. One of the benefits of such a policy is the ability to work closely with manufacturers in developing products tailored specifically to their needs. Today with ISO 14001 and ISO/TS 16949 certification as well as state-of-the-art manufacturing and inventory facilities, NGK provides customers with the finest spark plugs and complimentary products.

Brand:

NGK

Part Number:

5146

UPC:

087295151464

Alternate MPN:

5146

Installation

NGK® - Spark Plugs Installation

Reviews

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NGK® 5146 - Laser Platinum™ Spark Plug

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My Purchase

I bought and installed all 6 spark plugs. They always work really well, as did these. The delivery was fast enough, the plugs were packed properly, so when I opened the box, all the spark plugs were on their places, in the containers. That is good!

Posted by Joseph (Waterbury, CT) / June 07, 20161995 Pontiac Grand Am

Questions and Answers

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