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Alright, Mercedes enthusiasts, here's a vital piece for your classic.
This is a remanufactured auxiliary air idle slide valve, commonly known as the auxiliary air valve, for your R107, W116, or W126.

It's the genuine Mercedes-Benz part, with numbers 0 280 140 038 and 0280140038.

This little gizmo is crucial for a smooth idle, especially when the engine is cold.

It's also known to fit under a bunch of other numbers like 0280140032 and 0001410825, and fits models like the 380SL, 450SE, 500SEL, 350SL, and many more.

Quick heads-up: the price you see includes a $100 core charge.
You send back your old one, we refund your $100.

It's that simple.

4 out of 5