OEM Kubota Excavator Parts Supplier for Compact Machines

Kubota excavator parts are essential for compact power, durability, and smooth operation. YNF Machinery provides OEM-quality hydraulic, electric, and undercarriage parts for Kubota mini and medium excavators with fast matching and global delivery.

Key Features:

  • Fits U series, KX series, RX series (U17, KX71, U35, KX121, KX161, KX080)

  • Includes hydraulic cylinder seal kits, final drives, throttle motors, electric parts

  • Offers black and customized color couplings and accessories

  • Supports OEM part number matching and customized packaging

  • Flexible MOQ, professional support, and worldwide shipping

  • Ideal for repair workshops, parts resellers, and fleet maintenance teams

Kubota Parts Series for Compact Excavator Hydraulic and Drive Systems

We supply a full range of Kubota excavator parts, including hydraulic cylinder seal kits, o-ring sets, final drives, swing devices, electric throttle motors, solenoid valves, rubber couplings, and undercarriage components. Our parts match OEM dimensions for models like KX080-3, KX161-3, and U35-4, and are available in standard or custom finishes. All items are tested for pressure, sealing, torque, and flow performance.

Kubota V2203-M-DI-ES01 engine mounted on Bobcat S175
High-performance D1402 engine piston ring kit

Why Our Kubota Excavator Parts Stand Out for Global Buyers

YNF provides compact excavator parts that meet OEM quality standards. With excellent model coverage, fast response time, and stable supply, we help B2B customers improve equipment uptime and reduce sourcing risks.

Full Compatibility with Kubota Mini and Mid-Size Models

Our parts are engineered to fit Kubota excavators such as KX71-3, KX121-3, KX161-3, and U35-4 with exact OEM specifications. No adjustments are needed—ensuring fast, accurate installation and reduced technician time.

High-Strength Materials for Long-Term Durability

Each component—whether it’s a hydraulic seal, rubber coupling, or control valve—is built with wear-resistant rubber, precision alloys, or reinforced plastics, providing consistent performance even in tough worksite conditions.

Compact Parts Designed for Easy Replacement

Seal kits, throttle motors, final drives, and swing devices are packaged as complete assemblies or service kits. This simplifies field repairs, reduces sourcing effort, and avoids part mismatches during machine servicing.

Flexible MOQ and Mixed-Model Fulfillment

We welcome small quantity orders for local repair shops and support mixed orders across different Kubota models. This helps reduce inventory pressure and supports fast replenishment for distributors and service teams.

Why Choose YNF Kubota Parts for Mini and Mid-Size Excavators

We supply precision-engineered Kubota parts for hydraulic, electric, and undercarriage systems. With quick part matching, small MOQ support, and global delivery, YNF helps repair teams and parts distributors maintain performance and profitability.

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Kubota Excavator Parts Applications

Compact Hydraulic Cylinder Repair

Restore performance of boom, arm, and bucket cylinders with full seal kits.

Travel & Rotation System Restoration

Final drives and swing motors keep Kubota machines mobile and precise.

Electrical System Upgrade

Electric throttle motors and sensors ensure accurate machine control.

Undercarriage Maintenance

Track rollers, sprockets, and idlers maintain ground stability and traction.

Comprehensive Guide to Kubota Excavator Replacement Parts

Popular Kubota Excavator Models We Support

Model Parts Supplied
U17 Cylinder seal kits, throttle motor, swing device
KX71-3 Final drive, o-ring set, control valve parts
KX121-3 Hydraulic pump, undercarriage parts, coupling assy
KX161-3 Electric parts, black couplings, pressure switch
U35-4 Engine mounting parts, fan blades, electrical kits
KX080-3 Swing motor, hydraulic cylinder kits, solenoid valves

Technical Matching & Support

  • Match via model, part number, or component photo

  • Assistance with size confirmation and installation diagrams

  • Response within 12–24 hours for quoting and confirmation

Shipping & Packaging

  • Export-ready carton or crate packaging

  • Optional custom labels and neutral packaging

  • Delivery by sea, air, or express courier

  • Flexible MOQ and combined model shipments

FAQ Section

Q: Do you supply parts for older Kubota models like KX91-2 or U45?
A: Yes, we support both current and older series with OEM-match or custom-made parts.

Q: Can I order small quantities for local workshop use?
A: Absolutely. We support small MOQs and can consolidate multiple SKUs into one shipment.

OEM vs Aftermarket Kubota Excavator Parts Comparison

When picking Kubota excavator parts, know the difference between OEM and aftermarket. OEM (Original Equipment Manufacturer) parts are made by Kubota. They fit perfectly and meet high-quality standards. Aftermarket parts are made by other companies and give more choices.

Think about quality, fit, and price when deciding. Kubota is known for great equipment, so finding good parts is easier. Choose parts with warranties and a good track record. This helps your excavator work well for a long time. By checking these things, you can pick the best parts for your machine.

Key Takeaways

  • Learn the difference between OEM and aftermarket parts. OEM parts are made by Kubota to fit perfectly and work well. Aftermarket parts are made by other companies and may differ in quality.
  • Think about your budget and needs before picking parts. OEM parts cost more but are higher quality and have better support. Aftermarket parts are cheaper but need careful choosing.
  • Always check if the parts will fit your machine. Make sure they match your Kubota excavator’s model to avoid problems.
  • Look for warranties and help. OEM parts often have better warranties, which can make you feel secure. For aftermarket parts, check the seller’s reviews and warranty details.
  • Do research and read reviews. Learning about the parts and makers helps you choose wisely and avoid bad options.

Understanding OEM and Aftermarket Kubota Excavator Parts

What Are OEM Parts

OEM means Original Equipment Manufacturer. These parts are made by Kubota or approved suppliers. They are built to fit Kubota excavators perfectly. OEM parts meet strict quality rules set by Kubota. They are reliable and last a long time.

Choosing OEM parts means getting pieces that fit just right. They work smoothly with your machine because they match the original design. Most OEM parts come with warranties, which is reassuring. If you want your excavator to stay dependable, OEM parts are a smart pick.

What Are Aftermarket Parts

Aftermarket parts are made by other companies, not Kubota. These parts are designed to fit certain models, including Kubota excavators. They are usually cheaper than OEM parts. Some aftermarket parts are high quality, but others may not perform as well.

There are many aftermarket options to choose from. Some brands focus on low prices, while others aim for better quality. These parts are often easier to find than OEM parts. If you need a budget-friendly option, aftermarket parts could work. But always check if they fit and are reliable before buying.

Key Differences Between OEM and Aftermarket Parts

Knowing the differences between OEM and aftermarket parts helps you decide. Here’s a comparison:

Type Definition Advantages Disadvantages
OEM Parts made by the original manufacturer, ensuring compatibility and performance. High quality, warranty compliance, consistent performance. Typically more expensive.
Aftermarket Parts produced by third-party manufacturers, designed to fit specific models. Cost-effective, comparable quality, often more readily available. Quality can vary significantly.

OEM parts are reliable and fit perfectly. Aftermarket parts are cheaper and offer more choices. OEM parts are best for keeping factory standards. Aftermarket parts are good for saving money or customizing.

Advantages of OEM Parts for Kubota Excavators

Quality and Reliability

OEM parts are known for their great quality and dependability. These parts are made by Kubota or approved suppliers, meeting strict standards. Since they are built for Kubota excavators, they work well and last long.

Using OEM parts lowers the chance of sudden breakdowns. Their steady quality keeps your excavator running smoothly, even in tough jobs. This means fewer repairs and less downtime, saving you both time and money.

Perfect Fit and Compatibility

A big benefit of OEM parts is their exact fit. They are made with the same materials and methods as the original parts. This ensures they fit perfectly with your machine.

You won’t need to make changes or adjustments when using OEM parts. They are designed by Kubota’s engineers to match your excavator. This helps your machine perform at its best without any issues.

Manufacturer Support and Warranty

OEM parts come with strong support and warranties from the maker. These warranties are often longer than those for aftermarket parts, showing their trusted quality.

When you buy OEM parts, you also get Kubota’s full support. This includes expert help, technical advice, and service centers. The original manufacturer’s backing ensures you get help whenever you need it.

Tip: Always review the warranty when buying OEM parts. A longer warranty often means better quality and support.

Drawbacks of OEM Parts

Higher Costs

OEM parts cost more than other options. They are made by the original maker, ensuring great quality and perfect fit. But this high quality comes with a higher price. If your budget is small, OEM parts might feel too expensive.

The price reflects the research and testing done to make them. This makes them strong and long-lasting but less attractive for saving money. For big repairs or frequent fixes, costs can add up fast.

Limited Availability

Finding OEM parts can be tricky. They are made by the original company or approved suppliers. Their stock depends on production schedules and availability. If you need a specific part, it might not be easy to get quickly.

This can be annoying when your machine is broken. You might need to call dealers or wait for restocking. This waiting can slow down your repair work.

Potential Delays in Delivery

Getting OEM parts delivered can take longer than expected. Manufacturers focus on quality, which can slow down production and shipping. If the part is out of stock, the wait could be even longer.

These delays can mess up your project plans. Businesses using Kubota excavators may lose time and work due to delivery issues. Ordering parts early can help avoid these problems.

Note: OEM parts are high quality, but think about their cost, availability, and delivery time before buying.

Advantages of Aftermarket Parts for Kubota Excavators

Cost Savings

Aftermarket parts cost less than OEM parts. They are made by other companies that focus on lower prices. For example:

  • Aftermarket undercarriage kits start at $6,999. This is much cheaper than the usual $14,000 for full replacements.
  • Using aftermarket parts for regular maintenance can save money. It helps avoid fuel waste and costly repairs.
  • The undercarriage makes up about 50% of maintenance costs. Good aftermarket parts can save money over time.

Choosing aftermarket parts lets you save money while keeping your excavator working well.

Wide Range of Options

Aftermarket parts come in many types for Kubota excavators. You can pick parts that fit your needs. Studies show the demand for aftermarket parts is growing:

  • The construction equipment aftermarket was worth about $648.67 billion. It may grow to $1140.85 billion by 2030.
  • Earthmoving machines like excavators make up over 30% of this market. This is because they need many replacement parts.

This big market means you can find durable or budget-friendly aftermarket parts easily.

Readily Available

Aftermarket parts are easy to find, making them a handy choice. Many suppliers keep lots of parts in stock for quick access. For example:

Part Type Brands Available
Original Equipment Parts Komatsu, Gradall, Sennebogen, Atlas, Bomag, NPK, LaBounty
Rubber Tracks Komatsu, Takeuchi, Kubota, Cat, Case, John Deere, Bobcat, CTL, Mini Excavators
Hydraulic Hoses Gates and onsite hose-making for all your hydraulic hose needs

This availability helps reduce downtime. You can quickly get rubber tracks, hydraulic hoses, or other parts from many suppliers.

Tip: Always check if aftermarket parts fit your Kubota excavator to ensure they work properly.

Drawbacks of Aftermarket Parts

Quality Can Vary

A big problem with aftermarket parts is uneven quality. Some work well, but others might not last long. Many aftermarket makers focus on low prices instead of good quality. This can lead to parts that break or wear out fast.

Fake parts are another issue in the aftermarket world. These parts look real but don’t perform like original ones. Using fake parts can harm your excavator’s safety and performance. Always check the maker to avoid fake parts and get reliable ones.

Fit Issues

Aftermarket parts don’t always fit perfectly like OEM parts. This can make installing them harder and take more time. You might need to adjust them, which adds extra work.

Some aftermarket parts may not match your Kubota excavator’s systems. This can cause problems or make your machine less efficient. Always check if the parts will fit before buying them.

Limited Warranty

Most aftermarket parts have little or no warranty. If they break early, you’ll have to pay for repairs yourself.

Fake parts almost never come with a warranty, making them risky. Even if some aftermarket parts have a warranty, it’s often not as good as OEM warranties. Always read the warranty details to avoid surprise costs.

Tip: Buy from trusted sellers to lower risks and get parts with some warranty.

Comparing OEM and Aftermarket Kubota Excavator Parts

Quality and Performance

OEM parts are known for their top quality and performance. These parts are made by Kubota or approved suppliers. They follow strict rules to ensure they fit and work perfectly. This makes them reliable, even in tough jobs.

Aftermarket parts can vary a lot in quality. Some brands make parts as good as OEM, but others focus on being cheap. While some aftermarket parts work well at first, they may wear out faster. This can make your excavator less dependable.

If you want steady performance, OEM parts are the best choice. But if you research carefully, you can find good aftermarket parts that balance cost and quality.

Tip: Read reviews before buying aftermarket parts to avoid bad choices.

Cost and Affordability

Price is a big factor when picking between OEM and aftermarket parts. OEM parts cost more because of the testing and quality checks they go through. While they are expensive upfront, they save money by lasting longer and reducing repairs.

Aftermarket parts are usually cheaper. Many companies offer low prices to attract buyers. For example, an aftermarket undercarriage kit can cost half as much as an OEM one. This makes them a good option for saving money on repairs.

Still, cheap parts can lead to more problems later. Poor-quality parts may need frequent replacements, costing more over time. It’s important to find a balance between price and quality.

Durability and Longevity

OEM parts are built to last. They use strong materials and pass tough tests to handle heavy work. This means fewer replacements and lower repair costs in the future.

Aftermarket parts may not last as long as OEM ones. Some brands focus on cutting costs, which can make their parts wear out faster. But some trusted aftermarket brands make durable parts that compete with OEM quality.

To keep your excavator running well, pick parts that are proven to last. Whether OEM or aftermarket, high-quality parts save time and money over time.

Note: Regular care and proper installation help parts last longer.

Compatibility and Fit

Picking parts that fit your Kubota excavator is very important. OEM parts are made to match your machine perfectly. They follow the original design, so they fit easily and work well. This reduces problems during installation and keeps your excavator running smoothly.

Aftermarket parts can be different in how well they fit. Some high-quality ones are made to match or even beat OEM standards. These parts often work fine and fit correctly. But others might need changes to install, which can cause problems or harm your machine.

Aspect OEM Parts Good Aftermarket Parts
Material Quality Made by the manufacturer Matches or beats OEM specs
Performance Always fits perfectly Designed for good compatibility
Cost Usually costs more Often cheaper
Availability May take longer to get Easier to find

To get the best fit, check the maker’s instructions. These instructions explain what works with your excavator’s systems, like hydraulics and the engine. Following them helps your machine last longer and avoid damage.

Tip: Before buying aftermarket parts, make sure they fit your Kubota model. This can save you time and money later.

Availability and Lead Times

How quickly you can get parts matters a lot. OEM parts can be harder to find because they are made specially. If a part isn’t in stock, you might have to wait for it to be made or shipped. This can slow down your work and cost you time.

Aftermarket parts are usually easier to get. Many sellers keep lots of these parts ready to ship. This is helpful when you need repairs fast or have tight deadlines.

But faster delivery might mean lower quality. Some aftermarket parts are strong, but others may not last as long as OEM ones. It’s important to balance quick delivery with good quality to keep your excavator working well.

Note: Plan ahead and keep a list of trusted sellers for both OEM and aftermarket parts. This helps you get what you need without delays.

Choosing Between OEM and Aftermarket Parts

When to Choose OEM Parts

Pick OEM parts if you want top quality and reliability. These parts are made to fit your Kubota excavator perfectly. They work smoothly with your machine and keep its original performance. OEM parts are great for tough jobs or harsh conditions.

For example, Kubota’s TLB series, like the L47 and M62 models, shows why OEM parts matter. These machines do many tasks, like digging and lifting. The M62, with its 14-foot digging depth, needs strong parts to handle its power. OEM parts help these machines work well without losing their abilities.

Also, OEM parts come with warranties and expert support. If something breaks, you can get help from the manufacturer. If you want long-lasting parts and peace of mind, OEM parts are worth the cost.

Tip: Use OEM parts for important systems like hydraulics or engines to avoid problems.

When to Choose Aftermarket Parts

Choose aftermarket parts if you need to save money or replace parts quickly. These parts cost less than OEM ones and are good for simple repairs. For example, using aftermarket rubber tracks or hoses can cut costs while still working well.

Aftermarket parts come in many options to fit your budget and needs. Some brands make strong and efficient parts, like quick coupler systems. These systems make it easier to switch tools on your excavator.

But always check the quality and fit of aftermarket parts. Some are as good as OEM, but others may not last. If you’re in a hurry, aftermarket parts are often ready to buy, saving you time.

Note: Make sure aftermarket parts match your Kubota model to avoid fitting issues.

Factors to Consider for Kubota Excavators

Think about these things when choosing between OEM and aftermarket parts:

  • Performance Needs: For heavy work, OEM parts are more reliable. For light tasks, good aftermarket parts can work.
  • Cost: OEM parts cost more but last longer. Aftermarket parts are cheaper for smaller repairs.
  • Availability: OEM parts might take time to arrive. Aftermarket parts are usually in stock.
  • Machine Compatibility: OEM parts fit perfectly. Check aftermarket parts carefully to ensure they work.
  • Warranty and Support: OEM parts have better warranties and help. Aftermarket parts may have little or no warranty.

By thinking about these points, you can choose the right parts for your needs and budget. Whether you pick OEM or aftermarket, keeping your Kubota excavator running well is most important.

Tips for Buying Kubota Excavator Parts

Research the Manufacturer

Start by learning about the company making the parts. Choose brands known for making strong and reliable replacement parts. Good companies share clear details about their products, so you know what you’re buying.

Find out if the company focuses on Kubota excavator parts. This often means better quality and a proper fit for your machine. Read reviews from other buyers to see if the parts are dependable. Trusted brands usually have good feedback and a history of lasting products.

Tip: Stay away from unknown brands with few reviews. Pick trusted sources for reliable parts.

Consult Experts or Dealers

Ask experts or Kubota dealers for advice. They know what your excavator needs and can help you find the right parts. They can also guide you on whether to choose OEM or aftermarket parts based on your budget and needs.

Dealers can get OEM parts straight from Kubota, ensuring they match your machine perfectly. Experts can also give tips on installing and caring for the parts, helping you avoid mistakes.

Note: Always ask about warranties when talking to dealers. A warranty protects your money and gives peace of mind.

Verify Compatibility

Make sure the parts will fit your Kubota excavator before buying. Check your machine’s make, model, and serial number to confirm the parts are correct. Picking the wrong parts can cause problems or damage your equipment.

Both OEM and aftermarket parts need careful checking. Paying attention helps avoid errors and keeps your machine running well. Many sellers offer tools or guides to check compatibility. These tools make it easier to choose the right parts confidently.

Tip: Confirm compatibility with the seller or maker before buying. This step saves money and prevents delays.

Check Reviews and Recommendations

Always read reviews and get recommendations before buying Kubota excavator parts. Reviews from buyers show how good the parts are. Expert advice helps you avoid bad products.

Why Reviews Matter

Reviews explain how parts perform in real jobs. Buyers talk about durability, fit, and installation. These details help you decide if the parts are right for you.

Find reviews that mention Kubota models. This ensures the parts will fit your machine. Also, check comments about customer service and delivery speed. Good sellers often have positive reviews about fast shipping and helpful support.

Tip: Trust reviews from verified buyers. They are more honest and based on real use.

How Recommendations Help


Picking OEM or aftermarket Kubota excavator parts depends on your needs. OEM parts are high-quality, fit perfectly, and work reliably. Aftermarket parts are cheaper and offer more choices but may not always fit or last well. Check the quality, price, and fit of the parts carefully. Think about what your excavator needs and how much you can spend. Whether you want strong parts or affordable ones, choosing wisely keeps your machine working smoothly.

FAQ

What does OEM mean, and why is it important?

OEM means Original Equipment Manufacturer. These parts are made by Kubota or approved suppliers. They fit perfectly and are very reliable because they match your excavator’s original design.

Are aftermarket parts always lower quality than OEM parts?

No, not always. Some aftermarket parts are as good as OEM. But quality can differ a lot between brands. Research the brand and read reviews to find reliable aftermarket parts for your Kubota excavator.

How can I check if a part fits my Kubota excavator?

Look at your excavator’s model and serial number. Match these details with the part information from the seller. Many sellers and manufacturers have tools to help you check compatibility.

Tip: Always confirm the fit before buying to avoid problems.

Will using aftermarket parts cancel my Kubota warranty?

Using aftermarket parts could cancel your warranty if they cause damage or don’t meet Kubota’s standards. Check your warranty terms or ask your dealer to understand the risks of using non-OEM parts.

How do I decide between OEM and aftermarket parts?

Think about your needs and budget. Pick OEM parts for important systems or tough jobs. Choose aftermarket parts for saving money and quick fixes for smaller repairs. Always focus on quality and proper fit.

Note: Balancing cost and quality keeps your excavator working well.

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