Question 1

What are the OE numbers for Mercedes Actros OM471 EGR cooler?

Accepted Answer

Primary OE numbers vary by production year: A4701400675 (2011-2015 Actros MP4), A4711408875 (2015-2019 updated design), A4711404875 (Euro 6 variant), A4711409875 (2019+ Actros MP5). Cross-reference with your chassis number for exact match.

Question 2

How often does the OM471 EGR cooler need replacement?

Accepted Answer

Typical replacement interval is 400,000-700,000 km depending on duty cycle and maintenance. Long-haul highway operation extends life, while urban stop-start and mountain routes accelerate wear. Regular coolant analysis (every 50,000 km) can detect early internal leakage.

Question 3

What is the difference between A4711408875 and A4711404875?

Accepted Answer

A4711408875 is the standard Euro 6 EGR cooler for Actros MP4 (2015-2019). A4711404875 is a variant with different mounting bracket configuration for specific chassis codes. Both use the same core design but differ in external mounting geometry. Always verify against your chassis VIN.

Question 4

Can I use aftermarket EGR cooler on Mercedes Actros under warranty?

Accepted Answer

Using aftermarket parts does not automatically void your warranty under Magnuson-Moss Warranty Act (US) or Block Exemption Regulation (EU). However, if a failure is directly caused by the aftermarket part, that specific repair may not be covered. SUMEC parts are manufactured to OE specifications with ISO 9001 certification.

Question 5

What tools are needed for OM471 EGR cooler replacement?

Accepted Answer

Required tools include: Torx T40/T50 sockets, 13mm/15mm/17mm combination wrenches, coolant pressure tester, new coolant (MB 325.6 spec), replacement gaskets/O-rings, and torque wrench (25-45 Nm range). Special tool W471 589 03 33 00 is recommended for coolant line disconnection.

Mercedes-Benz OM471 EGR Cooler — Actros MP4/MP5 Replacement Guide

OE Numbers & Cross References

SUMEC Replacement Products

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Vehicle Fitment

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Vehicle / Engine Application
Mercedes-Benz Actros MP4 OM471 12.8L (2011-2019)
Mercedes-Benz Actros MP5 OM471 12.8L (2019-2024)
Mercedes-Benz Arocs OM471 12.8L (2013-2024)
Mercedes-Benz Antos OM471 12.8L (2012-2024)
Freightliner Cascadia DD13 (rebadged OM471, 2017+)