Mahle 68040 Engine Crankshaft Seal - Rear

Front Crankshaft Seal Overview

Mahle 68040 is an engine crankshaft seal for BMW applications listed below. It is a rubber sealing component used to control oil leakage at the crankshaft area, with fitment spanning multiple BMW performance and luxury models.

Key Features

• Rubber sealing construction for engine oil control
• Fits BMW applications across multiple model lines and model years
• Includes flange design on select applications listed in fitment
• Mahle sealing product backed by OEM and technician trust
• Part number 68040 for accurate ordering and catalog matching

Detailed Fitment and Application

Mahle 68040 is a front crankshaft seal application for BMW engines, with coverage that includes the Alpina B8 Gran Coupe, M850i xDrive, X7, X5, X6, 750i xDrive, Alpina B7, Alpina XB7, M760i xDrive, and related 5, 6, 7, and X-series models. This part number 68040 is listed for rear-position fitment in the catalog data, while the notes identify it as a crankshaft seal - front; verify the exact engine-side application against the vehicle listing before installation. This part cross-references BMW (e.g., 11 14 7 583 221) for the same application.

What It Is Used For

• Stopping engine oil seepage at the crankshaft sealing point
• Replacing a worn or hardened rubber seal
• Addressing oil residue around the front engine sealing area
• Restoring proper sealing on BMW engines with listed fitment

Installation Notes and Quality

Confirm the vehicle, engine, and seal orientation against the fitment notes before installation. The catalog lists rear-position fitment with front crankshaft seal notes, so application verification is important for the correct engine-side match. Mahle sealing products are trusted by OEMs and technicians worldwide for sealing performance.