Glow Plug Controller Module Part Number: Directly replaces OE part numbers RY-1556, RY1556, 68013182AA, A6421531979, 97304030, and 97379635
Glow Plug Control Module Fitment: This diesel glow plug controller is compatible with Chevrolet Silverado 2500 2001-2005, Silverado 3500 2004-2005, Tahoe 2005, GMC Sierra 2500 2001-2004, GMC Sierra 3500 2004-2005, Cadillac Escalade 2005 6.6L V8 models
Diesel Glow Plug Controller Construction: This glow plug module is crafted with heat-resistant materials to withstand the high-temperature environment of the diesel engine. The housing features corrosion-resistant materials to prevent rusting, and high-quality insulating components reduce the risk of short circuits and electrical failure
Important Installation Note: For proper installation, always measure the resistance of all glow plugs 4-cylinder: 4 plugs, 6-cylinder: 6 plugs, 8-cylinder: 8 plugs. Resistance values should be close or identical for all plugs. If any glow plug shows a different resistance, it must be replaced before installing the new control module to avoid malfunctions
1-Year Assistance: Contact our support team anytime for help with product questions or concerns