Dorman - OE Solutions Exhaust Gas Recirculation (EGR) Line P/N:598-140
Dorman 598-173 exhaust gas recirculation (egr) line for the 2002-2008 Mercedes-Benz G500 V8 5.0L and other vehicles carries exhaust gas back toward the engine intake. Also called an EGR tube, it is designed to help restore proper air-fuel balance when deposits built up in the EGR valve make a line malfunction.
A rough idle, a check-engine light or a crack or leak along the line can all go with an EGR problem. Before you replace this line, rule out deposits in the EGR valve and a leak elsewhere in the intake system, since either one can also produce a rough idle.
As a direct replacement EGR line, it also fits the 2002-2007 Mercedes-Benz ML500 V8 5.0L and the 2006-2007 Mercedes-Benz R500 V8 5.0L. If your Mercedes-Benz is not named here, run its year, model and engine through the "Vehicles it fits" section.
Fit and size
Build and materials
The box holds one EGR line, and a vehicle needs one. Mounting hardware is not included, so plan on new fasteners rather than reusing the old ones.
Interchange: 1121400108
This part cross-references / interchanges with the following part numbers:
Does the Dorman 598-173 EGR line fit a 2002-2008 Mercedes-Benz G500 V8 5.0L?
Yes, Dorman 598-173 fits the 2002-2008 Mercedes-Benz G500 V8 5.0L. It also fits the 2002-2007 Mercedes-Benz ML500 V8 5.0L; for another model, use the "Vehicles it fits" section.
Do the bolts come with this stainless steel EGR line?
No. Dorman 598-173 is one EGR line with no mounting hardware, so plan on new fasteners.
What material and length is this EGR line?
This EGR line is stainless steel and 7.5 inches long, with a barrel end type and a tube at each end.
How can I tell if this stainless steel EGR line is cracked or leaking?
With the engine off and cool, look along the line for cracks or soot streaks near the ends. A shop can test the cause if you only notice a rough idle or a check-engine light.
Does number 1121400108 cross to this Dorman EGR line?
Yes. 1121400108 is an interchange number for this EGR line, so this Dorman 598-173 line replaces that part.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.