Standard Ignition ETB190 Exhaust Gas Recirculation (EGR) Tube

OE-Style EGR Tube for Lexus and Toyota

Standard Ignition ETB190 is an exhaust gas recirculation tube used in the EGR system to route exhaust flow between the EGR cooler and EGR valve. It is built with a 0.6250-inch inner diameter and 12-inch length for the listed Lexus RX450h and Toyota Highlander applications.

Key Features

• Exhaust Gas Recirculation (EGR) tube for emission control service
• 0.6250-inch inner diameter for the specified OE-style routing
• 12-inch overall length
• Direct fitment for EGR cooler to EGR valve connection points
• Standard Ignition ETB190 replacement part number

Detailed Description

Standard Ignition ETB190 is an EGR tube for emission control repair on select Lexus RX450h and Toyota Highlander models. This tube connects the EGR cooler to the EGR valve, helping maintain the factory exhaust gas recirculation path used to manage combustion temperatures and emissions. The ETB190 part number is also referenced in cross applications under 2-40238 and EGT190.

Compatible With: Fits 2016-2022 Lexus RX450h, N/A; Fits 2017-2019 Toyota Highlander, N/A. This part number, ETB190, is listed for these vehicle applications and should be matched to the existing tube dimensions and routing before installation.

Common Repair Symptoms

• EGR tube leakage at the cooler or valve connection
• Exhaust odor or soot buildup around the EGR circuit
• Check engine light related to EGR flow or emissions faults
• Restricted exhaust gas recirculation flow from a damaged tube
• Corrosion or cracking in the original EGR tube

Installation Notes and Tips

Verify the vehicle year, model, and EGR routing before ordering. Compare the tube length, 0.6250-inch inner diameter, and connection points to the original part. Clean mating surfaces and inspect the EGR cooler and valve ports for carbon buildup or damage during service. Professional installation is recommended for emission system repairs.

Quality Assurance

Standard Ignition ETB190 is an emission control replacement part built for the listed Lexus RX450h and Toyota Highlander applications. It cross-references Monroe Shocks & Struts 172286 and 182286 for the same application.