- SKU: 4D106D
4D106D Engine Rebuild Kit for Komatsu Backhoe Loader WB140-2 WB140-2N WB140PS-2
High quality aftermarket parts for reliable performance.
Every purchase is backed by our commitment to product quality.
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This rebuild kit contains components for servicing the listed Komatsu applications. Verify the part number and application before ordering.
Part Number: 4D106D
Application:
for Komatsu Backhoe Loader WB140-2 WB140-2N WB140PS-2
This item includes:
1.Piston: 4
2.Piston Ring: 4
3.Piston Pin: 4
4.Cylinder Liner: 4
5.Piston Snap: 8
6.Piston Pin Bush: 4
7.Intake Valve: 4
8.Exhaust Valve: 4
9.Valve Guide: 8
10.Intake Valve Seat: 4
11.Exhaust Valve Seat: 4
12.Thrust Washer: Set of 2 Pairs
13.Main Beraing STD: Set of 5 Pairs
14.Con Rod Bearing STD: Set of 4 Pairs
15.Full Overhaul Gasket Kit: 1 Set
Order Processing & Handling Time
Before an item is shipped, it must be processed and inspected at our warehouse.
• Standard Processing Time: Orders are typically processed within 3–5 business days (Monday to Friday, excluding holidays).
• Tracking Updates: Once your order has been handed over to the carrier, you will receive a shipping confirmation email containing your tracking number.
Inventory & Stock Availability
We categorize our products to give you the most accurate delivery estimates:
• In-Stock Items: These items are physically present in our warehouse and ready for immediate dispatch. These orders are prioritized for the fastest shipping, normally within 24 hours.
• Out of Stock: If an item is temporarily out of stock, we will notify you via email with an estimated restock date.
• Split Shipments: If your order contains both in-stock and out-of-stock items, we may ship the available items first to avoid delays.
For more details, please check our Shipping Policy.
Warranty Claims
If you believe the parts you purchased is defective, please follow this procedure.
• Process: Contact our Technical Support by submitting a support request through our website.
• Assessment: Our Technical team will review your issue to determine if the parts is covered under warranty. If approved, we will provide you with return instructions and issue a refund upon receiving the returned item. Alternatively, we can exchange and resend a new one with your consent.
Standard Return (Non-Warranty)
For returns not related to defects (e.g., ordered the wrong part, no longer needed), the following terms will apply:
Eligibility Requirements:
• Time Frame: You must contact us within 90 days of the delivery date to initiate a return.
• Condition: Parts must be in their original, unopened packaging and in new, unused condition.
• Restrictions: Genuine parts are non-returnable; Parts that have been installed, modified, or show signs of use are also not eligible for return.
Refunds & ExchangesOnce we receive and inspect your returned item, we will notify you of the approval or rejection of your refund.
• Approved Refunds: A credit will automatically be applied to your original method of payment.
◦ PayPal: Refunds are typically processed within 1 business day.
◦ Credit/Debit Cards: We will process the refund immediately and send you notification. However, please allow 5–10 business days for the funds to appear in your account, depending on your bank's processing times.
• Exchanges: If you requested an exchange, the replacement part will be shipped once the return is received and verified.
For more details, Please view our Return & Exchange Policy