Genuine OEM Audi Reduction Agent Injector, part number 04L131113P. This component is crucial for modern emissions control systems, injecting a precise amount of reduction agent (such as AdBlue/DEF) into the exhaust stream. This process facilitates the conversion of harmful nitrogen oxides (NOx) into harmless nitrogen and water vapor within the selective catalytic reduction (SCR) system. Weighing approximately 0.232 kg, this injector assembly includes a hose and electrical connector. Using a genuine OEM injector ensures accurate dosing, proper spray pattern, and resistance to crystallization for efficient emissions reduction and system longevity.
04L131113P Audi Reduction Agent Injector | Emissions Control fits: Volkswagen Arteon 2017–2025; Volkswagen Golf/Variant/4Motion 1998–present; Volkswagen Passat/Variant/Santana 1974–present; Volkswagen Polo/Derby/Vento-IND 1975–present; Volkswagen T-Cross 2019–present; Volkswagen Tiguan 2008–present; Volkswagen Tiguan Allspace 2018–2025; Volkswagen T-Roc 2018–present.
This list may not include every compatible vehicle. If you’re unsure, share your VIN and our fitment team will confirm the right part before you order.
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