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12_66340dd1-4263-4217-9837-8f6c7c439c29 - Northline Parts

Turbocharger AR70439 Compatible with John Deere Crawler Dozer 450 450C 550 550A 550B 450B

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$379.99
Sale price  $379.99 Regular price 

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This Turbocharger is a high-quality aftermarket replacement part compatible with John Deere Crawler Dozer 450, 450C, 550, 550A, 550B, and 450B and matches OEM Part# AR70439.
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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 precision-engineered turbocharger is designed to restore engine power and efficiency to John Deere heavy equipment. Manufactured to meet or exceed original equipment standards, it ensures reliable forced induction and optimal performance in demanding earthmoving applications.

Key Features & Performance

  • Durable Construction: Built with high-grade materials to withstand extreme temperatures and pressures.
  • OEM Specification Fitment: Designed for a seamless installation without modifications.
  • Enhanced Efficiency: Improves air intake flow for better combustion and fuel economy.

Fitment & Compatibility

  • John Deere Crawler Dozer: 450, 450C, 550, 550A, 550B, 450B

Technical Specifications

  • Part Number(s): AR70439
  • Application: Crawler Dozer Engine
  • Equipment Category: Earthmoving / Construction

Frequently Asked Questions

Q: Is this a direct bolt-on replacement for the OEM unit? A: Yes, it is manufactured to match the AR70439 specifications for a direct fit. Q: Does this unit include the required gaskets? A: Check the package contents as gaskets are typically included if specified in the technical build list.

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

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