Product Details

Product Overview

This is a premium-quality crankshaft bearing set specifically designed for the Kubota D1703 diesel engine. It includes the main crankshaft bearing (52mm) and connecting rod bearing (47mm), providing a complete solution for engine rebuilds and overhauls. Sourced from a leading manufacturer, this set meets or exceeds OEM specifications. We supply to global markets including North America, Europe, Southeast Asia, and the Middle East, ensuring fast and reliable delivery to your workshop or distribution center.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM tolerances for a perfect fit and optimal oil clearance.
• Superior Durability: Constructed from high-strength steel with a lead-copper or aluminum alloy lining for excellent wear resistance and load-bearing capacity.
• Enhanced Performance: Ensures smooth crankshaft rotation, reduces friction, and extends the life of your Kubota D1703 engine.
• Complete Set: Includes both main bearings and connecting rod bearings for a comprehensive replacement.
• Rigorous Testing: Each batch undergoes dimensional and material composition testing to guarantee reliability.

Technical Specifications

OEM Cross-Reference

• OEM Number: 1a051-23020
• Alternative Part Numbers: 1A051-23020, 1A05123020
• Cross Reference: This part is a direct replacement for the original Kubota bearing set used in the D1703 engine.

Compatibility

• Engine Models: Kubota D1703 (Direct Injection, 3-cylinder diesel engine)
• Vehicle Applications:
  • Kubota Tractors (e.g., B, L, M series models equipped with D1703)
  • Kubota Industrial Engines (e.g., generators, construction equipment)
• Note: Please verify your engine model and bearing size before ordering. This set is for standard size bearings (STD).

Global Supply & Distribution

We offer worldwide shipping to meet the demands of the global B2B market. Our distribution network ensures fast delivery to major ports and industrial hubs, including:

• North America: Los Angeles, Chicago, Houston, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Shanghai, Singapore, Tokyo, Busan
• Middle East & Africa: Dubai, Jeddah, Durban
• Latin America: Santos, Buenos Aires, Manzanillo

We have extensive experience in international trade, including customs documentation and compliance with export regulations. Bulk orders are welcome, and we offer competitive freight rates for sea, air, and express delivery.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities, ensuring consistent quality control.
• Material Certification: All bearings are made from high-grade materials that meet or exceed OE specifications.
• Testing: 100% dimensional inspection and random sample testing for hardness, crush, and fatigue resistance.
• Warranty: We provide a 12-month warranty against manufacturing defects. Please contact us for warranty claims procedures.

FAQ

Q1: Is this bearing set a direct fit for my Kubota D1703 engine?

Yes, this set is designed as a direct replacement for the original Kubota bearings in the D1703 engine. However, we always recommend verifying the part number (1a051-23020) and measuring your existing bearing sizes (52mm main, 47mm rod) to ensure compatibility, especially if the engine has been previously rebored.

Q2: What is the recommended installation procedure for these bearings?

Proper installation is critical. Ensure the bearing shells and housing are perfectly clean and dry. Apply a thin layer of clean engine oil to the bearing surface before assembly. Tighten main bearing and connecting rod bolts to the manufacturer’s specified torque settings in the correct sequence. Always replace bolts if recommended by the engine manual. For best results, consult a professional mechanic or the Kubota service manual.

Q3: Do I need to replace anything else when installing these bearings?

It is highly recommended to replace the engine oil and oil filter after bearing installation. While the crankshaft itself does not require replacement unless worn, we suggest inspecting the crankshaft journals for scoring or ovality. For a complete engine overhaul, you may also consider replacing the piston rings, cylinder liners, and gasket set for the D1703 engine.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .