OEM PART NUMBERS — GM:
• GM OEM: 16129419
• GM OEM: 16139409
• GM OEM: 10482831
OEM PART NUMBERS — AC DELCO:
• AC Delco: D1948A / D1948-A
• AC Delco: D1984A
• AC Delco: D1943A
• AC Delco: D1964A
INDUSTRY CROSS-REFERENCES:
• Industry: DM1948
• Industry: DM1948HD (Heavy Duty Variant)
• Industry: LX363 / LX-363
• Industry: DR140
• Industry: 6H1018
• Industry: ICM363
• Industry: SH7315
• Other Names: Ignition Control Module
• Other Names: ICM
• Other Names: DIS Ignition Module
• Other Names: Distributorless Ignition Module
• Other Names: GM Commercial Truck ICM
• Other Names: Kodiak Ignition Module
• Other Names: Topkick Ignition Module
• Other Names: Medium Duty Ignition Module
• Other Names: Waste-Spark Ignition Module
PRODUCT SPECIFICATIONS:
• Product Type: Ignition Control Module (ICM)
• Unit Type: GM Commercial Truck DIS Systems
• Technology: DIS — Distributorless Ignition System
• Pick-Up Type: Magnetic Pick-Up System
• Dwell Control: Controlled by Module
• Protection: Transient Protection on All Pins
• Mounting: Engine Block / Valve Cover Mount
• Service Category: Medium-Heavy Duty Commercial
• Condition: New Aftermarket Replacement
• Quantity: Sold Individually (1 Piece)
• Product Fit: Direct Fit OEM Replacement
• Installation: Direct Bolt-On
• Recommended Use: OE Replacement
• Compliance: SAE / OEM-Spec Certified
ENGINE COMPATIBILITY:
• GM 7.0L 427 CID V8 Big Block
• GM 7.4L 454 CID V8 Big Block
• GM 8.1L 496 CID V8 (Late Production)
• Medium Duty Commercial Gasoline Engines
• Distributorless Ignition System (DIS)
• Waste-Spark Ignition Architecture
VEHICLE PLATFORM CONTEXT:
• Chevrolet Kodiak = GMC Topkick (Badge-Engineered Twins)
• Produced at Flint Truck Assembly Plant
• GMT400 Medium Duty Platform
• Production Era: 1988-1998
• Class 6-7 Commercial Vehicles
• Replaced by GMT560 in 1999+
CRITICAL FITMENT NOTES:
• For GM Commercial Truck DIS Systems
• 1988-1998 Medium-Heavy Duty Only
• Does NOT Fit GM Light-Duty Trucks
• Does NOT Fit Diesel Engines
• Does NOT Fit Pre-1988 Commercial Trucks
• Does NOT Fit 1999+ GMT560 C4500/C5500
• Verify OEM Part Number Before Ordering
WHAT IS NOT INCLUDED:
• Mounting Hardware / Screws
• Heat Sink Paste
• Ignition Coils
• Spark Plug Wires
• Installation Instructions
SYMPTOMS OF FAILURE:
• Engine Will Not Start / No Spark
• Intermittent Engine Stalling
• Engine Misfire / Rough Running
• Check Engine Light / Diagnostic Codes
• Hard Starting When Hot
• Power Loss Under Load
• Engine Cuts Out at Highway Speeds
• ICM Overheating
• Failed Emissions Test
APPLICATION SUMMARY:
• 1988-1998 Chevrolet Kodiak C60 / C70 / C5500
• 1988-1998 GMC Topkick C5000 / C6000 / C7000
• 1988-1998 Chevy/GMC T-Series Tilt-Cab
• 1991-1998 Chevy/GMC B-Series School Bus Chassis
• 1992-1996 Chevy/GMC P-Series Step Van
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals such as Carbon Black, Silica, Crystalline which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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