Coolant Radiator Reservoir Tank 1645000049 with Cap and Sensor for Mercedes-Benz GL550 GL450 ML550 ML350 ML450 GL350
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$40.49at WalmartChecked Nov 12
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This is a plastic coolant expansion tank with a pressure cap and a two-pin level sensor, made to replace part 1645000049 on a range of Mercedes-Benz GL and ML models. It mounts at the front of the engine bay and connects to the radiator through four hose outlets of different diameters. It is an aftermarket part, not OEM, so fit and plastic quality vary more than with a dealer tank. It suits owners of 2006-2012 GL and ML vehicles chasing a leak, a cracked tank or a failed sensor who accept a lower-cost non-OEM replacement.
In stockSold by Tasharina CorpReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
This is a replacement coolant radiator reservoir tank, part number 1645000049, with a cap and a sensor. The reservoir connects to the radiator and the engine with hoses. It holds the excess coolant used to cool the engine and is an important part of the cooling system.
A coolant reservoir with problems can cause constantly low coolant, coolant leaks and engine overheating. This is a non-OEM product, sold as an accessory only.
The tank is made of plastic and is white. It mounts at the front and has a 2-pin sensor connection. To replace it, let the engine cool completely, remove the bolts and the old reservoir, and disconnect the hose over a drain pan. Then connect the hose to the new reservoir, tighten the clamp and mounting bolts, refill with new coolant and run the engine to check that it works.
