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12_d4b26dd1-1e22-491d-8124-8993d3d3e497 - Northline Parts

4649870 Muffler for HITACHI EXCAVATOR EX120-2 EX120-3 EX120-1 EX150-1 4BD1 4BG1

Alligator_819_x_200_px - Northline Parts

The Aftermarket Parts Specialists

$370.49
Sale price  $370.49 Regular price 

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Ships Nationwide in 2–4 business days.
This Muffler is a high-quality aftermarket replacement part compatible with HITACHI EXCAVATOR EX120-2 EX120-3 EX120-1 EX150-1 and matches OEM Part# 4649870.

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Product Overview

This replacement muffler is engineered to provide efficient exhaust flow and significant noise reduction for specific Hitachi excavator models. Constructed from durable materials, it serves as a reliable solution for maintaining engine health and ensuring compliance with operational sound standards in demanding work environments.

Key Features & Performance

  • Manufactured with heavy-duty steel for extended service life and heat resistance.
  • Precision-engineered for a direct fit, reducing installation time and effort.
  • Designed to maintain backpressure levels for optimal engine performance.
  • Coated for enhanced protection against corrosion and environmental wear.

Fitment & Compatibility

  • Hitachi Excavator Models: EX120-1, EX120-2, EX120-3, EX150-1
  • Engine Models: 4BD1, 4BG1

Technical Specifications

  • Part Number(s): 4649870
  • Product Type: Exhaust Muffler
  • Application: Construction Machinery

Frequently Asked Questions

  • Q: Does this muffler require modifications for installation? A: No, this part is designed as a direct replacement for OEM 4649870 to ensure a seamless fit.
  • Q: Is this component compatible with both 4BD1 and 4BG1 engines? A: Yes, it is specifically designed to work with Hitachi machines equipped with these engine models.

Compatibility may vary by serial number. Verify fitment before purchase.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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