Mercedes M274.910 0.50 mm Big-End Bearing Set

Mercedes M274.910 connecting-rod bearings

Replacement big-end bearing set listed for the Mercedes-Benz M274.910 engine, with a claimed 0.50 mm undersize. Store reference: 2749100.5.

Compatibility and machining check

Fitment depends on the exact engine variant and finished crankshaft journal diameter. Confirm the engine code is M274.910, then have a qualified engine machinist measure the crankshaft. A 0.50 mm undersize set is intended only for a crankshaft machined to the corresponding specification; it must not replace standard-size bearings without machining.

Before assembly: verify all bearing markings and dimensions, set contents, journal finish and oil clearance against the engine repair specification. Professional engine-building work is required.

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