AUTOLITE part description

Product Description

Autolite 1120 Glow Plug

Application Summary

Chevrolet Express 2500 (2006-2016), Chevrolet Express 3500 (2006-2016), Chevrolet Express 4500 (2009-2016), Chevrolet Silverado 2500 HD (2006-2016), Chevrolet Silverado 2500 HD Classic (2007), Chevrolet Silverado 3500 (2006), Chevrolet Silverado 3500 Classic (2007), Chevrolet Silverado 3500 HD (2007-2016), GMC Savana 2500 (2006-2016), GMC Savana 3500 (2006-2016), GMC Savana 4500 (2009-2015), GMC Sierra 2500 HD (2006-2016), GMC Sierra 2500 HD Classic (2007), GMC Sierra 3500 (2006), GMC Sierra 3500 Classic (2007), GMC Sierra 3500 HD (2007-2016), Hummer H1 (2006)

Features & Benefits

  • Provide a reliable start by warming the combustion chamber of a cold diesel engine
  • Built to the same high standards of all Autolite® products with a warranty against defects in materials and workmanship when installed and maintained properly.*
  • Supply high heat in the combustion chamber needed by diesel engines to properly ignite the fuel

diesel, glow plug, Autolite

Product Attributes

Material Type Ceramic
1124 4 MM
Voltage 4.7 2H
1402 3.17 MM
Coil Type Sheathed Dual Coil
Terminal Type Hex
Hex Size .4724 IN
Hex Size 12 MM
Seat Type Tapered
Reach 28 MM
Thread Diameter 10 MM
Overall Length 5.37 IN
Overall Length 136.8 MM
9518 Steel
Wattage 45 99
9902 60 03

Additional Information

Country of Origin (Primary) CN
Harmonized Tariff Code (Schedule B) 8511806000
Warranty Time 12
Warranty Time UOM MO
UPC 00009100266477
UNSPSC 26101724

Part Interchanges

Fits Vehicles

  • GMC Sierra 3500 Classic (2007)
  • Chevrolet Silverado 2500 HD Classic (2007)
  • GMC Sierra 2500 HD Classic (2007)
  • Chevrolet Silverado 3500 Classic (2007)
  • GMC Savana 4500 (2009-2015)
  • Chevrolet Express 4500 (2009-2016)
  • GMC Sierra 3500 HD (2007-2016)
  • Chevrolet Silverado 3500 HD (2007-2016)
  • Chevrolet Silverado 3500 (2006)
  • Chevrolet Silverado 2500 HD (2006-2016)
  • GMC Sierra 3500 (2006)
  • GMC Sierra 2500 HD (2006-2016)
  • GMC Savana 2500 (2006-2016)
  • Chevrolet Express 3500 (2006-2016)
  • Chevrolet Express 2500 (2006-2016)
  • GMC Savana 3500 (2006-2016)
  • Hummer H1 (2006)

Autolite® allows you to go anywhere—without delay—with its comprehensive spark plugs offerings. Although it was initially established as a buggy lamp manufacturer in 1911, it slowly gained recognition as an ignition expert when it developed and introduced the very first Autolite spark plug in 1935. Over the years, the company has reached greater heights, producing and supplying spark plugs and other ignition parts to some of the major automotive manufacturers, such as Chrysler, Studebaker, Willys, and Packard. Headquartered in Lake Forest, Illinois, Autolite is a proud member of the FRAM Group, North America's largest and most diversified group servicing the vehicle replacement parts market.

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