EGR Cooler replacement for OE WE0520304. 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-133, fits Mazda. Verified OE fitment — request a fast quote.
WE0520304 EGR cooler — OE Cross Reference
Replacing WE0520304? This EGR cooler (SUMEC PN SMC-LQ-133) matches OE WE0520304 on FORD applications, including FORD Ranger 3.0L WEAT (2007-2011). Verify the stamped OE before ordering.
Stainless-steel core, supplied OEM-grade.
Frequently asked questions
Is WE0520304 correct for my vehicle? It fits FORD Ranger 3.0L WEAT (2007-2011) and related FORD applications. Verify via the OE stamped on your old EGR cooler.
How do I confirm before ordering? Compare the stamped OE to WE0520304 and the port layout to your unit; send a photo of the old part with the OE number and we confirm.
Cross-references are confirmed per vehicle on request — send your OE, engine and chassis and we verify the matching SUMEC part.
Fitment verification
Match the stamped OE to WE0520304, confirm the engine, and compare port positions — FORD 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.