SKU: 18870937778

Overhaul Rebuild Kit for Yanmar 4TNA78 Engine YB401 YB401W Excavator

$323.10 $359.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 23 - Jul 28

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Description

Overhaul Rebuild Kit for Yanmar 4TNA78 Engine YB401 YB401W ExcavatorApplication: For Engine: Anmar 4TNA78Yanmar Construction Equipment (SF) YB401, (SF) YB401W Excavator, and so on models with 4TNA78 Engine Notice: The Cylinder Liner is a Semi finished type. Content: Including: 1 Set of Overhaul Gasket Kit4 Cylinder Liners4 Pistons STD4 Piston Pins8 Snap Rings4 Rod BushingsSet Rings For 4 Pistons STD1 Set of Main Bearings1 Set of Rod Bearings1 Set of Thrust Bearings4 Intake Valves4 Exhaust Valves8 Valve Guides4 Intake

Application:

For Engine: Anmar 4TNA78Yanmar Construction Equipment (SF) YB401, (SF) YB401W Excavator, and so on models with 4TNA78 Engine

Notice:

The Cylinder Liner is a Semi-finished type.

Content:

Including:1 Set of Overhaul Gasket Kit
4 Cylinder Liners
4 Pistons STD
4 Piston Pins
8 Snap Rings
4 Rod Bushings
Set Rings For 4 Pistons STD
1 Set of Main Bearings
1 Set of Rod Bearings
1 Set of Thrust Bearings
4 Intake Valves
4 Exhaust Valves
8 Valve Guides
4 Intake Valves Seats
4 Exhaust Valves Seats

NOTICE:

Please send us your engine's nameplate and your model's nameplate after you order this product([email protected])

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 18870937778

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4.8 ★★★★★
Based on 15 reviews
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Product Reviews
L
Lumi
Lowell, US
★★★★★ 5
OLEVS Men’s Watches Waterproof Dress Minimalist
Color: BlueFace-G5010
I got this watch for my husband, and it fits him perfectly. He’s retired police officer but still carries himself sharp, and this watch matches that classic, put-together look. The blue face is rich and eye-catching without being flashy. The Roman numerals and silver detailing give it a timeless, elegant style. It looks much more expensive than it is. The black leather-style band is comfortable and fits well. It’s lightweight enough for everyday wear but still feels solid and well made. The day and date feature is clear and easy to read, which is a nice practical touch. Whether he’s dressed up or just heading out casually, this watch pulls everything together. It’s a great combination of classic style and everyday function, that’s easy to set up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
E
Verified Purchase
Ed Remian
Pawtucket, US
★★★★★ 1
Runs small
Color: Silver Watch-G5010
Runs small
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
L
LP
Boise, US
★★★★★ 5
Nice basic watch
Color: Black Watch-G5010
My father-in-law does not like new technology so when I saw this wat I knew he'd love it. It is your basic watch, works well and it's waterproof so very helpful as he fishes a lot! The overall appearance of the watch is really elegant; the watch itself is thinner than most which gives it a really nice look and I was really surprised at how good the quality is on it. It comes with the little tool to tack links out so you can adjust the fit and I feel like it looks nicer than his more expensive watches. So far, it's kept time well and he's been extremely happy with it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 21, 2026
I
IceCreamTruckDriver
Battle Creek, US
★★★★★ 5
Clean simple design looks sharp, a nice watch at a great price
Color: Black Face-G5010, Color: Black Face-G5010
This watch has a nice big face that looks elegant in simplicity. The hour indicators are raised and very shiny along with the hands. On the black face, it’s very easy to read. The one that I have has a soft strap so you don’t have to remove any links. It’s ready to wear out of the box. I don’t know that the strap is leather, but it was stiff and in working with it a little bit to loosen it, it appears that it will hold up well. I wondered if it would be fragile, but it doesn’t seem so. The soft strap makes it comfortable and maybe a little lighter so it’s easy to wear this watch. Overall, it just seems like a very well done watch and a great value and a very least a very fair value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
M
Mari Carmen
Whiting, US
★★★★★ 3
Better options for the price
Color: Black Watch-G5010, Color: Black Watch-G5010
While having a striking appearance, the band has many rough edges and pulls your arm hairs. It is a good size and looks good at the surface level, but it is very light almost to the point that it feels cheap or not durable. This makes the price feel unnecessary, especially when compared to other more substantial or quality feeling options at this price point and below. If you just need a watch, it’ll do but I felt that it fell short in places, especially the band.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025

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