The ATC W470589129100 Fuel Rail Test Plug Set of 6 is a precision diagnostic tool set designed for high-pressure fuel rail testing on the DD13, DD15 and DD16 heavy-duty diesel engines. It replaces OEM part numbers J-48704 and W470589129100, offering professionals six dedicated caps to test the fuel rail safely and accurately.
Crafted for critical repair and testing, the set enables technicians to seal or plug the high-pressure common rail while diagnostics or repairs are underway—preventing fuel loss, ensuring safe isolation, and supporting accurate pressure readings. Compatible with Detroit Diesel HDEP (Heavy Duty Engine Platform) common-rail systems, this tool set helps streamline service on DD13/15/16 series powerplants.
Key Features & Benefits
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Complete set of 6 caps designed explicitly for DD13/15/16 engine platforms.
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Direct replacement for OEM tools W470589129100 and J-48704, assuring compatibility with factory diagnostics.
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Enables safe and precise plug-in access to high-pressure fuel rails for testing or service operations.
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Reduces risk of fuel leakage, ensures accurate pressure readings and helps prevent rail contamination during service.
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Ideal for heavy-duty engine repair shops, fleet maintenance operations, and diagnostics centers working on Detroit Diesel HDEP systems.