Crankshaft 4210301701 4210302401 4210302501 for Mercedes Benz OM421 Engine diesel engine spare parts
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OM421 Engine Crankshaft is a premium-grade, precision-engineered replacement crankshaft designed for the robust Mercedes-Benz OM421 11.0L V6 diesel engine series. Widely trusted globally in heavy-duty commercial trucks (such as the classic Mercedes NG series), long-distance coaches, marine propulsion systems, and stationary industrial power units, this crankshaft is manufactured to meet or exceed strict OEM structural standards.
Meticulous Dynamic Balancing: Each crankshaft is dynamically balanced to zero-vibration tolerances to minimize Engine NVH (Noise, Vibration, and Harshness), which protects the crankcase structure, flywheel, and main bearing shells.
Induction-Hardened Journals & Fillets: Both main and connecting rod journals undergo state-of-the-art high-frequency induction hardening. This maximizes surface hardness, drastically improves wear resistance, and prevents premature bearing failure.
- Rust Prevention: Completely coated with professional-grade anti-corrosive oil across all machined surfaces before boxing.
- Export-Ready Crating: Encased in robust, reinforced export timber boxes or heavy-duty sea-freight crates to guarantee flawless, damage-free international transit.
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