WIRING GP-FIRE SUPPRESSION 6DE7214 - Caterpillar

Engine:
C13 (S/N: LEE1-UP)
C15 (S/N: SDP1-UP)
Truck Engine News SEBD6874, 11 12 2012, "A New Improved ARD Combustion Head Assembly Is Available for Certain C13 and C15 Truck Engines". Disregard the previous article, refer to the article that follows.The new improved Aftertreatment Regeneration Device (ARD) combustion head assembly incorporates a high strength material in the electrode to withstand high temperatures.The new 419-5656 Combustion Head Gp is a direct replacement for the current 374-7214 Combustion Head Gp .The new ARD combustion head assembly is adaptable back to the first production of the listed engines.Note: Some of the first 419-5656 Combustion Head Groups may not have Special Instruction, REHS7276 included in the packaging. If the Special Instruction is not in the box, print a copy of the instruction from SIS and include the completed copy in the box with the ARD head when returned through the Send-It-Back system.