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Description
Thermostat Housing YM129100-49800 for Komatsu Engine 3D78-1 3D84-2 3D84E-3 3D84N-2 3D88E-3 4D84-2 4D84E-3 4D88E-3Part Number: YM129100 49800, YM12910049800Application: Fit for Engine: Komatsu 3D78 1A, 3D78 1C, 3D78 1D, 3D78 1E, 3D78 1F, 3D84 2A, 3D84 2GA, 3D84E 3A, 3D84E 3B, 3D84E 3C, 3D84E 3D, 3D84E 3E, 3D84N 2AA, 3D84N 2C, 3D84N 2CA, 3D84N 2FA, 3D84N 2H, 3D84N 2K, 3D84N 2L, 3D88E 3A, 4D84 2A, 4D84 2B, 4D84 2GA, 4D84E 3B, 4D84E 3C, 4D88E 3A, 4D88E 3B, S3D84 2B, S3D84 2BA, S3D84 2J, S3D84E 3A, S3D84E 3B
Part Number:
YM129100-49800, YM12910049800Application:
Fit for Engine:Komatsu 3D78-1A, 3D78-1C, 3D78-1D, 3D78-1E, 3D78-1F, 3D84-2A, 3D84-2GA, 3D84E-3A, 3D84E-3B, 3D84E-3C, 3D84E-3D, 3D84E-3E, 3D84N-2AA, 3D84N-2C, 3D84N-2CA, 3D84N-2FA, 3D84N-2H, 3D84N-2K, 3D84N-2L, 3D88E-3A, 4D84-2A, 4D84-2B, 4D84-2GA, 4D84E-3B, 4D84E-3C, 4D88E-3A, 4D88E-3B, S3D84-2B, S3D84-2BA, S3D84-2J, S3D84E-3A, S3D84E-3B
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
4.2 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Great fit and makes potty training easier
Size: 3T-4T, Unit Count: 84
These training pants have been a big help during potty training. They fit comfortably and feel soft against the skin, more like real underwear than a diaper. The stretchy sides make them easy for little ones to pull up and down on their own, which really helps with independence.
They do a good job holding small accidents without leaking, and the fun character designs make my little one more excited to wear them. The pack comes with plenty to last through the training phase, which is nice when you’re going through a few each day.
Tip: keep a few extras in the car or diaper bag for outings. It makes potty training on the go so much easier.
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Reviewed in the United States on October 14, 2025
★★★★★ 5
Great Pull-ups that Don't Leak!
Size: 3T-4T, Unit Count: 20
I was on the hunt for the perfect potty training pants for my little guy, and Pull-Ups Boys' Potty Training Pants in size 3T-4T turned out to be a great find. We’ve tried a few different brands, but these have been the most reliable. The design is fun and colorful, which my son loves, and it makes him excited to wear them. The fit is spot on for his size (32-40 lbs), and he moves around comfortably without any leaks. The absorbency is impressive – it gives me peace of mind knowing accidents won’t mean a complete outfit change. Overall, these Pull-Ups have made the potty training process a lot smoother for both of us.
There are a few things to note, though. The price is a bit higher compared to some other brands, but I believe the quality justifies it. Also, while they are great during the day, we still need a bit more protection at night. I find myself using an extra layer for nighttime just to be safe. The packaging could also be improved – a resealable option would be nice to keep the remaining training pants fresh and organized. Despite these minor issues, I’m really happy with the product, and my son is well on his way to being fully potty trained.
Pros:
- Fun and colorful design that my son loves
- Perfect fit for 32-40 lbs, allowing comfortable movement
- Excellent absorbency, minimizing leaks
- Helps make the potty training process smoother
Cons:
- Slightly higher price compared to other brands
- Not as effective for overnight use, requiring additional protection
- Packaging lacks a resealable option for convenience
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Reviewed in the United States on June 5, 2024
★★★★★ 5
Leak proof training pants
Size: 3T-4T, Unit Count: 112
These training pants are amazing. My son uses them whenever he’s taking a nap or sleeping throughout the night. I’ve ordered these multiple times and we’ve never had an issue with leaking.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Great for potty training
Size: 3T-4T, Unit Count: 20
We really like these pull ups and they have worked well for us during potty training. They are easy to pull on and off, which is great for toddlers who are learning to be more independent.
They fit well and do a good job containing messes without leaking. I also like that they feel comfortable and not too bulky, so my child can move around easily.
Overall, these have been a reliable option for us and something we continue to use during this stage.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Preferred by daycare teachers!
Size: 4T-5T, Unit Count: 99
Preferred by daycares because they open and close on the sides and kids can learn to pull on and take on on their own
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
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