DiigParr Pump GP-Piston 9T-6857 9T6857 Fits for Caterpillar CAT 428 416 Bockhoe Loader 4.236 T4.236 Diesel Engine

Part Number: 9T6857, CA9T6857, 9T-6857

Applications: 428 SERIES II BACKHOE LOADER 6TC06564-UP (MACHINE) POWERED BY 4.236 DIESEL

ENGINE 428 BACKHOE LOADER 6TC02694-06563 (MACHINE) POWERED BY T4.236 DIESEL

ENGINE 428 BACKHOE LOADER 6TC00001-02693 (MACHINE) 416 SERIES II BACKHOE LOADER 5PC10762-UP (MACHINE) POWERED BY 4.236 DIESEL

ENGINE 416 BACKHOE LOADER 5PC06192-10761 (MACHINE) POWERED BY 4.236 DIESEL

ENGINE 416 BACKHOE LOADER 5PC00001-06191 (MACHINE) POWERED BY T4.236 DIESEL

ENGINE

• DiigParr Piston Pump GP-9T-6857 delivers reliable hydraulic performance for Caterpillar CAT 428 and 416 backhoe loaders equipped with 4.236 and T4.236 diesel engines.
• This OEM-compatible unit maintains precise pressure control and consistent flow rates essential for loader bucket and boom operations.
• Built to withstand demanding construction environments, the pump ensures extended service life and minimal downtime.
• Direct fit replacement for original equipment, reducing installation complexity and compatibility concerns.
• Ideal for fleet maintenance and equipment restoration projects requiring dependable hydraulic power.

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.