- A1668301400
- Genuine Mercedes replacement expansion tank coolant hose
- 3-way coolant hose with spring clamps from the expansion tank to the auxiliary water pump on Mercedes W166 chassis ML and X166 chassis GL and GLS models with M278 V8 engines
- (1) per vehicle
- Replaces dry rotted, swollen, or cracked expansion tank coolant hoses that are leaking coolant
- Recommended to inspect all coolant hoses at every service to prevent severe coolant leaks
- For Models with code 053 or 803
- Not for models with Heated Windshield Washer System code 875
- Fits Mercedes GL450 2013-2014, GL550 2013-2016, GLS550 2017-2019, and ML550 2012-2014
“Left/Right or Front/Rear” notes means the part fits the left or right side of the car. These parts are still sold individually and you’ll
need to select the appropriate quantity if you plan to replace more than one of this item.







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