Genuine Metzger Fuel Leak Hose – Fits Mercedes-Benz – OEM 0840010

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Description

This is a genuine Metzger fuel leak hose – also known as a fuel return or overflow hose – designed for various Mercedes-Benz diesel engines.

The part number is 0840010, and it replaces a long list of OEM numbers including A6120700032, A6120700932, A6120701032, and many more.

This hose is used in the common rail fuel system to carry excess fuel back to the tank or filter.
It's made of plastic (polymer) that's compatible with biodiesel, so it won't degrade or swell like older rubber hoses can.

The construction is high quality – Metzger is a well-known German aftermarket brand that meets or exceeds OEM specs.

2421853 METZGER Radiator hose Lower Left suitable for MERCEDES-BENZ C

If you've got a fuel smell, wet spots under the hood, or visible leaks around the injector lines, this hose is a common culprit.
Replacing it is a straightforward job – just remove the old hose, cut the new one to length if needed, and install with the proper clamps.

A6120700432 - Fuel hose, fuel line OE number by MERCEDES-BENZ

Comes with a manufacturer warranty.

Genuine Mercedes 0089976482 Diesel Cigar Hose; Low Pressure Fuel Return Hose at Injection Pump; 265mm - Mercedes

Made to fit various Mercedes models with common rail diesels.

2361111 METZGER Hydraulic Hose, steering system suitable for MERCEDES

Good to have on hand as a spare – these hoses get brittle over time.
This is a genuine Metzger part, not a cheap knockoff, so you're getting quality.

Hose, fuel overflow METZGER 0840010

Easy fix for a leaky fuel system.

Fuel Return Pipe Fuel Injector Leak Off Hose for-MERCEDES-BENZ C219