EGR Cooler replacement for OE 03L131512AQ. EGR Cooler (Exhaust Gas Recirculation Cooler) An EGR Cooler is a heat exchanger in diesel/gasoline engines that cools hot exhaust gases before recirculating them into the intake manifold. It lowers combustion temperatures, reduces NOx emissions, improves fuel efficiency, and protects engine components. Main materials • Heat exchange tubes/core: Ferritic stainless steel (high temperature & corrosion resistance) • Shell/body: Aluminum alloy or cast aluminum (lightweight, good thermal conductivity) • Seals & gaskets: High-temperature graphite or rubber Key functions • Cools exhaust gas (typically from 600–700°C to 150–250°C) • Reduces NOx formation • Improves combustion stability & fuel economy • Protects intake system from heat damage SUMEC part SMC-LQ-24, fits Volkswagen. Verified OE fitment — request a fast quote.
03L131512AQ EGR cooler — OE Cross Reference
This EGR cooler matches OE 03L131512AQ (SUMEC PN SMC-LQ-24), a replacement EGR cooler for Volkswagen diesel applications. Verified application: Volkswagen Amarok 2HA / 2HB / S1B / S6B / S7A / S7B CFFB, CJAA, CFCA 2.0 BiTDI (2011-2020). Confirm the OE number stamped on your original unit before ordering.
Stainless-steel core, supplied OEM-grade.
Frequently asked questions
What does 03L131512AQ fit? Volkswagen Amarok 2HA / 2HB / S1B / S6B / S7A / S7B CFFB, CJAA, CFCA 2.0 BiTDI (2011-2020) and related Volkswagen applications. Match the OE on your old EGR cooler to confirm.
How do I confirm fitment? The OE number is stamped on the original EGR cooler — match it to 03L131512AQ and compare the port/flange layout. Send a photo of the old part with the OE number for confirmation.
OE references for this part: 03L131512AQ, 03L131512BN, 03L131512DL. Confirm the exact number stamped on your old unit.
Fitment verification
Match the stamped OE to 03L131512AQ, confirm the engine, and compare port positions — Volkswagen EGR coolers vary by engine variant, emission level and model year. Request a quote with your OE number, engine application, quantity and a photo of the old part for fitment confirmation. Trade terms available upon quotation.