55493549 294200-3920 Diesel Fuel Regulator Suction Control Valve 55593780 Fit For Chevrolet Fit For Colorado Fit For GMCC Fit For Canyonn 2016-2019 2.8L L4 OE NO. : 55493549 294200-3920 55593780. Thermal Resilience‌: Maintains stable performance in high-temperature environments, minimizing vapor emission for reliable operation in high-heat engine compartments. Direct OE replacement design guarantees perfect fit, eliminating the need for complex modifications during installation. Optimized valve spring tension maintains stable hydraulic pressure, reducing shift shock and improving driving comfort., Manufacturer: NADCFN