Diesel Emissions Fluid (DEF) System Main Wiring Harness. Diesel Exhaust Fluid (DEF) System Main Wiring Harness. A combination of wires and connectors that electrically attach the Diesel Exhaust Fluid System components to one another or to other vehicle Harnesses. This is the Main Harness to all components of System-not just to one component. Diesel Exhaust Fluid (DEF) System Main Wiring Harness
Fits Sierra 1500, Sierra 1500 Limited, Silverado3.0 LITER DIESEL, EMISSION REDUCTION SYSTEM. EMISSION REDUCTION SYSTEM, 3.0 LITER DIESEL.
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Installed price includes part and dealer installation cost, local taxes not included.