DiigParr Turbo T04B32 Turbocharger AR70439 for John Deere Crawler Dozer 450 450B 450C 550 550A 550B 450D 455D 555B

Part Number: RE19264, AR70439, AR77169, AR66692, AR71938, 409940-5004S, 409940-0001, 409940-0004, 409940-9004S, 409940-0003, 409940-0005, 4099405004S, 4099400001, 4099400004, 4099409004S, 4099400003, 4099400005 Turbo Model: T04B32, TO4B32

Fits for John Deere Engine4039, 4045, 4239D (TL004, 3.92L), 4239T (TL004, 3.92L), 4276

Applications:

Fits for John Deere Earth Moving Crawler 555, Tractor 4239TF, 4239TL01, 6359TL02

Fits for John Deere Tractor 1830, 2030, 2130, 2355, 2450, 2555, 2650, 2650N, 2750 (engine s/n 165527-later), 2755, 2850, 2855N

Fits for John Deere Combine 1032 (engine s/n 687811-later), 1042 (engine s/n 687811-later), 1155, 1157, 1158

Fits for John Deere Construction & Industrial 300, 300D, 310C, 310D, 315C, 315D, 410B, 410C, 410D, 415B, 440, 440A, 440B, 440C, 440D, 450, 450B, 450C, 450D, 455, 455D, 490, 510B, 510C, 510D, 515B, 540B, 550, 550A, 550B, 555, 555A, 555B, 590D, 595D, 610B, 610C

Fits for John Deere Hay Cutting 3430, 3830

Condition: new, aftermarket

• DiigParr Turbo T04B32 Turbocharger delivers enhanced engine performance for John Deere crawler dozers.
• This OEM-compatible unit (AR70439) fits 450, 450B, 450C, 550, 550A, 550B, 450D, 455D, and 555B models.
• Built for heavy-duty applications, it increases horsepower and torque while maintaining fuel efficiency.
• Precision-engineered components ensure reliable operation under demanding conditions.
• Ideal for contractors and operators seeking dependable power upgrades for their equipment.

Orders are delivered within 4–9 business days, including 1–2 business days for processing and 3–7 business days for shipping, depending on the destination and carrier.

We currently ship within the United States only.

Shipping Carriers
We ship via trusted carriers such as FedEx, DHL, and UPS.

Shipping Charges (USA Orders)

Orders over $299: Free shipping.

Orders $299 or below: Flat shipping fee of $28.99.

Return &Refund policy

We want you to be completely satisfied with your purchase. If for any reason you are not, you may request a return within 30 days from the date of delivery.

Return Conditions

• All returns require a Return Authorization Number (RAN), which you can obtain by contacting our customer service team.
• Items must be returned in their original condition and packaging.
• Returns must be shipped back within 30 days after the RAN is issued.
• Customers are responsible for return shipping costs unless the return is due to our error (e.g., incorrect or defective item).

Return Label

• Once your return request is approved, we will provide a return shipping label.
  
• The label can be downloaded and printed from the instructions sent to your email.
  
• The cost of return shipping is the customer’s responsibility, unless the return is due to our error (e.g., incorrect or defective item).

Restocking Fee

• A 10% restocking fee may apply to returns that are not the result of our error.

Defective or Damaged Items

• If your item arrives damaged or defective, please contact us immediately.
• Returned items will be inspected. If confirmed defective, we will, at our discretion:Replace the item at no cost, orIssue a full refund including shipping costs.
• If the item is found to be in working condition, the standard restocking fee may apply.

Non-Returnable Items

• Items damaged due to misuse, alteration, or improper handling cannot be returned or refunded.

How to Request a Return

To request a return, please contact our customer service team with:

• Order number
• Part number & product description
• Photos of the product and packaging
• Reason for return

Refund Processing

• Refunds are issued to the original payment method.
• Please allow 5–10 business days after we receive your return for processing.

Warranty: Our parts are covered for 6 months warranty without limitation on miles or hours of operation. Our parts are warranted on a parts-replacement-only basis. For more information, please view our warranty policy.