Bosch 18-30-8-514-448 Diesel Exhaust Fluid DEF Injector

The Bosch 18-30-8-514-448 Diesel Exhaust Fluid (DEF) Injector is a precision-engineered emissions control component designed to deliver optimal performance in diesel engine selective catalytic reduction (SCR) systems. Also known as an SCR metering valve or dosing module, this injector plays a critical role in reducing harmful nitrogen oxide (NOx) emissions by precisely injecting DEF into the exhaust stream.

Key Features:

• Manufactured by Bosch to OEM specifications for reliable performance and durability
• Precision metering ensures accurate DEF delivery for maximum emissions reduction
• High-quality construction built to withstand harsh exhaust system conditions
• Converts harmful NOx emissions into harmless nitrogen and water vapor
• Direct replacement for BMW OEM part number 18-30-8-514-448

Technical Specifications:

• Bosch Part Number: 0-444-025-010 / 0444025010
• OEM Part Number: 18-30-8-514-448 / 18308514448
• UPC: 4047026051247
• Part Type: DEF Injector / SCR Metering Valve / Urea Injection Dosing Module

Common symptoms of a failing DEF injector include decreased engine performance, increased emissions, dashboard warning lights, and diagnostic trouble codes such as P20E8, P20E9, P20EA, and P20EB. Replacing a faulty DEF injector ensures your vehicle maintains proper emissions compliance and runs smoothly.