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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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Description
Kawasaki PISTON .25 MMOS316300-3131ARestore your Kawasaki engine to full operating condition with this genuine OEM replacement part engineered to meet the same quality standards as the original. Compatibility FH series (verify your model number before purchasing) FX series FR series FS series Important: Always verify your exact engine model number and serial number before purchasing. Kawasaki engine series share many part numbers but not all parts are interchangeable between variants.
Restore your Kawasaki engine to full operating condition with this genuine OEM replacement part — engineered to meet the same quality standards as the original.
✅ Compatibility
- FH series (verify your model number before purchasing)
- FX series
- FR series
- FS series
⚠️ Important: Always verify your exact engine model number and serial number before purchasing. Kawasaki engine series share many part numbers but not all parts are interchangeable between variants.
🛠️ Part Details
- OEM Part Number: 316300-3131A
- Supersedes / Replaces: 130292013
- Brand: Kawasaki — Genuine OEM
- Type: Original Equipment Manufacturer (OEM) replacement
⭐ Key Features
- Genuine OEM part manufactured to Kawasaki factory specifications
- Direct replacement — no modifications, drilling or adapting required
- Engineered for the temperature, vibration and load demands of commercial outdoor equipment
- Quality-controlled and tested to Kawasaki's standards
- Correct fit eliminates compatibility risks associated with aftermarket alternatives
🔧 What Problem This Solves
- Engine or equipment not performing correctly due to worn or damaged original part
- Component failure causing downtime or unsafe operating conditions
- Original part no longer sealing, engaging or functioning as designed
📏 Specifications
- Part Name: Piston .25 Mmos316300-3131A
- Material: Refer to OEM specifications for your engine model
- Manufacturer: Kawasaki
- Condition: New — Genuine OEM
🔨 Installation
- Difficulty: Moderate — refer to your engine service manual
- Tools Required: Basic hand tools, Torque wrench, Refer to service manual for specific requirements
- Estimated Time: Varies — refer to your engine's service manual
- Tip: Always consult your Kawasaki engine service manual for torque specifications and step-by-step procedures.
💪 Why Choose This Part
Avoid the cycle of cheap aftermarket failures — one OEM part correctly installed outlasts multiple low-cost alternatives.
🛒 Order With Confidence
✓ Genuine OEM — Guaranteed Fit — This is a genuine Kawasaki OEM part backed by the manufacturer's quality guarantee. If you have any questions about compatibility, provide your engine model and serial number and our team will confirm fitment before you purchase.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 2037 reviews
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Product Reviews
★★★★★ 5
Amazing WDT Tool!
Color: Black
This WDT tool instantly improved the evenness of my puck prep, and the difference in my shots was obvious. The ultra‑fine needles fluff the grounds perfectly without creating channels. It has a nice weight to it and feels like a real upgrade compared to cheaper plastic options.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Has upped our coffee game :)
Color: Sliver, Color: Sliver
EDIT: Well, 2 months later, this is still performing okay, however some of the needles have gotten slightly bent, causing it to seem loose and wobbly as they rotate within their opening. . Not a great aspect of this design. If you loosen the head straighten any bent needles, it does help a little bit.
So far so good. It’s made a little difference in our coffee. We buy espresso beans and so we really pay attention to the way the espresso acts from cup to cup. We notice that after using this tool our coffee is a little sweeter, probably because the way the grounds are so evenly distributed and the little channels that the wires create. Easy to use, store, and keep clean. And it’s cute on the counter!
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Reviewed in the United States on December 11, 2025
★★★★★ 5
Big Improvement in Espresso Consistency
Color: Black
This WDT tool made a noticeable difference in the quality of my espresso shots. The needles are thin enough to break up clumps and create a very even coffee bed, and the distribution feels smooth and controlled. Build quality is solid, the handle feels comfortable, and it’s easy to clean. I’ve gotten more consistent extractions and better flavor since using it. For anyone looking to upgrade their espresso workflow, this is a simple but very effective tool. Definitely worth it.
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Reviewed in the United States on December 8, 2025
★★★★★ 5
Impressed
Color: Black
I rarely give 5 star reviews. This product deserves it. A lot of thought has gone into the design.
First, the material of it is quite good, metal. It has a contoured and knurled top for ease of use and good grip without being "grippy". The recepticle has little brushes inside which I think is unique to this product. Will those brushes created a problem in the future? I don't know. But there must be a way to clean out the coffee dust at some point. An air blower?
Until now I had been using a home-made WDT with acupuncuture needles drilled into a cork. When I used the Nessus WTD I could immediately feel a difference as I stirred the grounds. While I have only made two double-shots so far, there was noticeably less channeling that I had before (I use a bottomless portafilter exclusively). Actually I had no channeling, but initially two streams that mergedi into one in about 3 seconds, so pretty good compared to what I had before.
Nothing much more to say except the price was quite good compared to other WDT's. Even though I haven't used this product more than a few times, I can, at least at first blush, recommend it.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Works well out of the box, and better with a tweak.
Color: Black, Color: Black
This is a solid, well-made WDT tool that does exactly what it’s supposed to do — and gives you room to fine-tune it to your preference.
The build quality feels good in the hand, and it works well right out of the box. A big plus is that it comes with extra needles, which makes it easy to change out bend needles or customize. I found that removing some of the needles actually improved usability for me. With all nine installed, it tended to push grounds around too aggressively.
I’m currently running just 3 needles, and that setup works much better for gently breaking up clumps and distributing grounds without pushing or spilling coffee over the basket. Once dialed in, it’s been very effective and consistent.
Overall, this is a great tool from TIVERAIN. If you like dialing in your workflow and want control over how aggressive your WDT is, this one is a great option.
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Reviewed in the United States on January 6, 2026
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