Description
Product Overview
Part Name: Engine Piston (Piston with Rings & Wrist Pin)
Part Number: M273 4.6L Piston
Vehicle Compatibility: Mercedes-Benz passenger vehicles equipped with the M273 4.6L V8 petrol engine, commonly including E-Class (W211), S-Class (W221), CLS (W219), GL-Class (X164), ML-Class (W164), and CLK models (2006–2011). Suitable for engine rebuild and performance restoration applications.
Configuration: High-quality aftermarket forged engine piston manufactured to OEM-equivalent specifications. Supplied with piston rings and hardened wrist pin, engineered for high thermal stability, strength, and precise cylinder fitment in V8 engine platforms.
Function: Converts combustion pressure into rotational force through the connecting rod and crankshaft assembly. Designed to maintain optimal compression, reduce friction, and ensure balanced power delivery in high-displacement V8 engines.
Technical Specifications
Type: Forged Engine Piston with Ring Set & Wrist Pin
Engine Model: Mercedes-Benz M273 4.6L V8
Material: High-strength forged aluminum alloy piston with precision-machined ring grooves; heat-treated steel wrist pin; high-performance piston rings
Application: Fits Mercedes-Benz M273 4.6L V8 engine assemblies (2006–2011)
Cross-Reference: Aftermarket equivalent to OEM M273 piston specifications; compatible with factory connecting rods and crankshaft assemblies (verify bore size before installation)
Installation: Professional engine assembly required. Confirm cylinder bore size, piston-to-wall clearance, and ring end gap specifications before installation. Replace bearings, seals, and gaskets during rebuild.
Service Interval: Replace during complete engine overhaul or when addressing compression loss, piston damage, excessive oil consumption, or cylinder scoring.
Delivery & Availability
Stock Options: Premium-quality aftermarket Mercedes-Benz M273 piston assemblies available for retail, wholesale, and export supply
Delivery Time: 3–7 days worldwide shipping
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