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Performance Connecting Rod Mercedes-Benz M278 4.7T V8 Twin-Turbo OEM A2780300120

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Performance Connecting Rod Mercedes-Benz M278 4.7T V8 Twin-Turbo OEM A2780300120

OEM:A2780300120 / A2780300220 / A2780300320; Material:40Cr Forged Steel; Fit Mercedes-Benz M278 4.7T V8 Twin-Turbo Petrol; New, Factory Direct, 12 Months Warranty

SKU
SJC-CBBY7F
OEM No.
A2780300120 / A2780300220 / A2780300320
Request a QuoteContact us for pricing & MOQ

Key Information

OEM Cross Reference

  • A2780300120
  • A2780300220
  • A2780300320

Vehicle Fitment

S-Class W221 W222 / E-Class W212 / CL-Class W216 / SL-Class R231 / GL-Class X166 / ML-Class W166 / CLS W218 / 4.7T V8

Product Overview

Performance connecting rod for Mercedes-Benz M278 4.7T V8 twin-turbo petrol engine. Direct replacement for Mercedes S-Class W221/W222, E-Class W212, CL-Class W216, SL-Class R231, GL-Class X166, ML-Class W166 and CLS W218. OEM numbers: A2780300120 / A2780300220 / A2780300320. Factory direct supply, 12 months warranty.

Frequently Asked Questions

Is this a genuine OEM part or a replacement?

These are new replacement connecting rods manufactured to OEM specifications. They match original dimensions and material grades (forged alloy steel), but are not branded as the vehicle manufacturer’s original part.

Will this rod fit my engine?

The title and page list the engine model(s) this rod fits, with the OEM cross-reference number. Not sure? Send us your vehicle VIN or engine code and we will confirm compatibility before shipping.

What material and process are used?

Rods are forged from high-grade alloy steel (C70S6 / 42CrMo4 type grades depending on the model), then precision machined and batch-inspected for dimensional accuracy.

What is the MOQ and sample policy?

No strict MOQ on stock models — sample orders and trial lots are welcome. Contact us for quantity-based pricing.

How long is delivery?

In-stock items ship within one week; production orders typically take 2–4 weeks. Worldwide shipping by sea, air or express — FOB / CIF / DDP available.

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