
Product Overview
This is a premium-quality Main Bearing and Connecting Rod Bearing set engineered for the Kubota V1903 diesel engine. Manufactured to exact OEM specifications, this bearing kit ensures optimal engine performance, reduced friction, and extended service life. We specialize in supplying reliable engine components to a global B2B clientele, including distributors, workshops, and heavy machinery operators across North America, Europe, the Middle East, and Asia-Pacific.
Key Features & Benefits
- Precision Engineering: Manufactured to strict OEM dimensions and tolerances for a perfect fit and reliable performance.
- Enhanced Durability: Made from high-grade materials designed to withstand the high loads and pressures within a diesel engine.
- Optimal Oil Film Retention: Surface finish and design promote proper lubrication, reducing wear on the crankshaft and connecting rods.
- Complete Set Solution: Provides all necessary main and rod bearings for a comprehensive engine rebuild or repair.
- Global Compliance: Packaged and documented for smooth international shipping and customs clearance.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Main Bearing & Connecting Rod Bearing Set |
| Engine Model | Kubota V1903 |
| Engine Type | Diesel |
| Key Part Numbers | 1A091-23482, 17311-22312 |
| Size | OEM Standard Size |
| Weight | 2 kg |
| Packing | Plastic Bag, Box, Carton |
| Selling Units | Single Item (Set) |
OEM Cross-Reference
This bearing set directly replaces the following OEM part numbers:
- Kubota: 1A091-23482
- Kubota: 17311-22312
Always verify part numbers against your engine’s service manual or existing components before purchase.
Compatibility
Primary Engine Application:
- Kubota V1903 Diesel Engine
Typical Vehicle & Machinery Applications:
- Forklifts
- Excavators and Mini-Excavators
- Loaders (Skid-Steer, Wheel)
- Industrial Generators
- Agricultural Tractors and Equipment
- Small Trucks and Buses
Global Supply & Distribution
We are a professional exporter of heavy-duty engine components with extensive experience in international logistics. Our supply chain is optimized for fast, reliable delivery to key global markets.
- Worldwide Shipping: We ship to all major destinations via air and sea freight.
- Key Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, Middle East (UAE, Saudi Arabia), and South America.
- Efficient Logistics: Fast container loading and documentation for major ports like Los Angeles, Rotterdam, Singapore, and Dubai.
- Trade Compliance: All documentation (Commercial Invoice, Packing List, CO if required) is provided to ensure smooth customs clearance.
Quality Assurance
Our commitment to quality ensures you receive parts that meet professional repair standards.
- Manufacturing Standard: Produced in ISO-certified facilities in Guangdong, China, adhering to precise engineering drawings.
- Warranty: Backed by a 6-month warranty against manufacturing defects.
- Testing & Inspection: Components undergo rigorous machinery testing. A machinery test report and video outgoing-inspection records are available upon request to verify quality before shipment.
FAQ
Q1: How do I confirm this bearing set is the correct one for my specific Kubota V1903 engine?
A: The most reliable method is to cross-reference the part numbers stamped on your old bearings (1A091-23482, 17311-22312) or consult your engine’s official service manual. You can also provide us with your engine’s serial number for additional verification.
Q2: Are these bearings ready to install, or do they require any machining?
A: These bearings are manufactured to OEM “standard size” specifications and are designed as a direct replacement for worn bearings in an engine with an undamaged, within-specification crankshaft. If your crankshaft has been reground, you will need undersize bearings, not this standard set.
Q3: What is included in the packaging, and what are the shipping terms?
A: The bearing set is securely packed in plastic bags within a box. We typically ship via EXW, FOB, or CIF terms, which can be negotiated based on your order volume and destination. Detailed shipping options and costs are provided during the order process.
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 .