New E-G-R Cooler for Detroit DD15 2015-2020 A4731400575 4731400575 EA4731400575

EGR Cooler for Detroit DD15 2015-2020

This EGR cooler is a replacement exhaust gas recirculation cooler for Detroit Diesel DD15 engines, designed to lower combustion temperatures by routing exhaust gases back through the intake, and it cross-references OEM numbers 4731400575, A4731400575, and EA4731400575. This EGR cooler helps restore proper emissions control and engine efficiency on DD15-powered equipment built from 2015 through 2020.

Overview

This EGR cooler is a direct-fit replacement for the factory exhaust gas recirculation cooler on Detroit Diesel DD15 engines. It cools recirculated exhaust gases before they re-enter the intake, helping the engine run at lower combustion temperatures and meet emissions targets. It suits owners and technicians servicing DD15-powered trucks and equipment who need a dependable replacement for a failed or leaking cooler.

Built For Performance

• Constructed as a replacement for the OEM EGR cooler assembly on DD15 engines
• Cross-references part numbers 4731400575, A4731400575, and EA4731400575 for easy matching
• Designed to cool recirculated exhaust gases and support lower combustion temperatures
• Built to withstand the heat cycling and vibration of heavy-duty diesel operation
• Fits engine applications from the 2015 through 2020 model years

Fits These Machines

• for Detroit Diesel DD15 engines model years 2015-2020

On-The-Job Use

• Restoring emissions system performance on DD15-powered trucks
• Replacing a leaking or clogged EGR cooler during engine service
• Keeping combustion temperatures in check on long-haul and vocational duty cycles

Specs At A Glance

Good To Know

Q: Does this EGR cooler come with gaskets? A: Gaskets are not stated to be included with this EGR cooler, so check your service parts list and order mounting and coolant gaskets separately before installation.

Q: How do I confirm this fits my DD15 engine? A: Match your engine serial number and model year against the 2015-2020 range and cross-reference part numbers 4731400575, A4731400575, or EA4731400575 before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.