New Spark Plug On G3500 Engines Improves Reliability{1555}
Usage:
G3508 (2JF, 4WD, 9TG),
G3512 (4KC, 5JD, 7NJ),
G3516 (3RC, 8LD, 4EK) Engines
Description of Change: A new spark plug on the above G3500 Engines contains a higher temperature seal that improves its reliability. In addition, the manufacturing process has been improved in order to avoid zinc plating of the precious metal.
Adaptable To: The new 146-2588 Spark Plug is a direct replacement for the former 121-7838 Spark Plug. The new spark plug is adaptable to first production of the above G3500 Engines.
Caterpillar Information System:
1997/09/15 Instrument Panel Lines Groups Changed In Order To Improve Mounting Of The Fumes Disposal Group{1071}
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1997/09/15 New Dual Stage Torsional Coupling Assembly Available For Use With Twin Disc MG 514C Marine Transmissions{3357}
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1997/08/01 Guidelines For Electrically Grounding Gas Engines {7423}
1997/08/01 Fuel Injector Trim Set Screw {1290}
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1997/08/01 New Gear Assemblies With A Stronger Shaft Are Used In Governor Drive Groups {1288}
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1997/08/01 Connecting Rod Bearing Part Numbers {1203,1219,1230}
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1997/10/10 Part Numbers For Stator Assemblies Available{1552}