Mercedes‑Benz O‑Ring A0199971348 – Genuine OEM

Description

The part number A0199971348 is a genuine Mercedes‑Benz O‑ring / sealing ring used in fuel injector or engine components.
Key features & details:

• The listing on multiple parts sites shows “O‑ring” for A0199971348, described as “Injector Seal Ring / Fuel Injector O‑Ring Seal for Mercedes‑Benz W204, W212, W251, W166, X164”. MercTeil+3Alibaba+3eBay UK+3

• Another listing shows the part as “O‑RING A0199971348 | MERCEDES Parts … Weight 0.001 kg”. PartSouq

• Example marketplace listing: “Mercedes Fuel Injector Valve O‑Ring Seal Gasket A0199971348 New Genuine”. eBay UK+1

• Because this is a sealing ring, it is a small but critical component that ensures no leaks in the high‑pressure fuel or injection system interface, helping maintain correct engine performance, avoid contamination and preserve system safety.

Usage / Application Notes:

• Brand: Mercedes‑Benz

• Part No.: A0199971348 (no spaces)

• Category: O‑Ring / Sealing Ring (Injector / Fuel System)

• Recommended for use during injector replacement or when leaks at the injector‑to‑head interface are present.

• Important: When listing in your catalogue, specify that it is a genuine Mercedes part, advise customers to check compatibility (engine code, VIN) and mention that this O‑ring is often a one‑time‑use item (should be replaced each time the injector is removed).