Standard Ignition ETB4 EGR Tube

Exhaust Gas Recirculation Tube for Ford and Lincoln

Standard Ignition ETB4 is an exhaust gas recirculation (EGR) tube built for direct-fit service on select Ford and Lincoln applications. It is a hose-style EGR component that routes recirculated exhaust gases as part of the emissions system, helping maintain proper engine operation and emissions control.

Compatible With 1999-2004 Ford Expedition, 1999-2003 Ford F-150, 2004 Ford F-150 Heritage, 1999 Ford E-150 Econoline, 1999 Ford E-150 Econoline Club Wagon, 1999 Ford E-250 Econoline, 1999 Ford E-350 Econoline, 1999 Ford E-350 Econoline Club Wagon, 1999 Ford F-250, and 1999 Lincoln Navigator.

• Hose-style EGR tube for emissions system routing
• Direct replacement application for select Ford and Lincoln vehicles
• Built under Standard Ignition quality control from component to finished part
• Cross-reference: Dorman - OE Solutions 598-115 for the same application
• Part number ETB4 for catalog and fitment lookup

Detailed Product Overview

The Standard Ignition ETB4 EGR tube is engineered for vehicles that rely on a properly functioning exhaust gas recirculation path to manage emissions and engine performance. This part is used on 1999-2004 Ford Expedition, 1999-2003 Ford F-150, 2004 Ford F-150 Heritage, and select 1999 Ford Econoline, F-Series, and Lincoln Navigator applications. If you are replacing a worn or damaged EGR hose on a Ford F-150 Heritage or a 1999 Ford Expedition, ETB4 provides the correct emissions-system service part reference.

Standard Ignition states that its EGR components are produced with controlled manufacturing processes and component-level quality oversight. The ETB4 part number is also listed with interchange references including 2-40004, 6003547, EGT4, and XL3Z9D477BA.

Common Issues This Part Addresses

• Cracked or deteriorated EGR hose routing
• Exhaust gas leakage in the recirculation circuit
• Emissions-related drivability concerns tied to EGR flow
• Failed inspection results related to EGR system condition
• Replacement needs after heat-related hose wear

Installation Notes and Tips

Verify the vehicle year, make, model, and EGR connection style before installation. This listing includes a 2004 Ford F-150 Heritage twist-in type application, so matching the connection design is important. Inspect adjoining EGR components and mounting points for wear, carbon buildup, or damage before installing the new tube.

Quality Assurance

Standard Ignition maintains quality control throughout the manufacturing process, from component selection to finished product inspection. ETB4 is built as an emissions-control replacement part for the listed Ford and Lincoln applications.