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Description
21N8-32401 CPU Controller for Hyundai Excavator R305LC-7 PartsProduct Name: Controller CPU Controller UnitApplied Model: Hyundai R 7 Series Model. Part Number: 21N4 33102 21N4 32100 21N9 34100 21N8 32102 21N9 32100 21N3 32200 21NA 32600 21N6 32504 21N8 32500 21N7 32101 21N6 43100 21N8 32206 21N8 32600 21N1 32102 21N6 33103 21N6 42102 21N8 32301 21N5 34100 21N8 32302 21N8 32401 21N1 32101 21N6 32501 21NA 32101 21N1 34810 21N6 34200 21N5 32100 21N5 32101 21N4 33101 21N6 43101 21N8 32330 21N6 44101 21N7 32100 21N3
Product Name: Controller CPU Controller UnitApplied Model: Hyundai R-7 Series Model.
Part Number: 21N4-33102/21N4-32100/21N9-34100/21N8-32102/21N9-32100/21N3-32200/21NA-32600/21N6-32504/21N8-32500/21N7-32101/21N6-43100/21N8-32206/21N8-32600/21N1-32102/21N6-33103/21N6-42102/21N8-32301/21N5-34100/21N8-32302/21N8-32401/21N1-32101/21N6-32501/21NA-32101/21N1-34810/21N6-34200/21N5-32100/21N5-32101/21N4-33101/21N6-43101/21N8-32330/21N6-44101/21N7-32100/21N3-32753/21N3-32300/21N6-33100/21N6-33102/21N6-44100/21N6-42100/21N9-32101/21N6-32502/21N9-32600/21N6-20020/21NA-34100/21N6-32102/21N6-42101/21N8-32300/21N6-34890/21N6-32503/21N8-32402.
Country of Origin: China
Conditions: New and programmed.
Warranty: 12 months.
Delivery Time: 3-7 days.
Prepare Time: 2~3 days.
Brand: SINOCMP
Service System: Online support
Packing: Standard packing for export.
Shipping Method: DHL, FedEx, UPS, TNT, USPS EMS, etc.
Payment Methods: Credit Card, PayPal, etc.
Note: Please check the machine model before buying. If you are not sure, please contact us for confirmation.
Track Your Order: When it ships, an email will arrive to you containing the tracking number with a link.
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
4.9 ★★★★★
Based on 368 reviews
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Product Reviews
★★★★★ 5
Good looking shelves and easy install - skip the included drywall anchors
Color: Black, Number Of Shelves: 2, Size: 22in
I installed these shelves in a bedroom to get things off my dresser and some decor. Once mounted they look really nice. The black finish looks clean and modern and they blend in well with the room.
Installation was pretty straightforward. The metal bracket mounts to the wall first and then the shelf slides over the bracket. As long as you take your time lining things up it’s a simple project.
One thing I strongly recommend is not using the white plastic self-drilling drywall anchors that come with the kit. I’ve used that style before on other projects and they tend to strip out easily and leave larger holes in drywall. I used better anchors instead and the shelves mounted much more securely.
The rest of the hardware worked fine and once installed the shelves feel solid and hold items well.
Pros
- Clean modern look
- Easy installation
- Feels solid once mounted
- Good size for books or decor
Cons
- The small level included isn’t very accurate — use your own level
- One of the metal brackets was slightly bent out of the box but straightened out easily
Helpful tip:
Use your own level and better drywall anchors if you have them. It makes installation easier and the shelves will mount much more securely.
Final thoughts:
For the price these are nice looking floating shelves that install easily and work well for light storage and decor.
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Reviewed in the United States on March 13, 2026
★★★★★ 5
Cheap, and effective!
Color: Black, Number Of Shelves: 4, Size: 15.7in
Looks good, works great, low cost. I'll be purchasing more in the future.
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Reviewed in the United States on May 12, 2026
★★★★★ 4
Cute for coffee bar!
Color: Black, Number Of Shelves: 4, Size: 15.7in
Great for above my coffee bar. Easy to mount and align. Seems stable!
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Great shelves, strong, secure, sturdy, decent size, unbeatable price.
Color: White, Number Of Shelves: 4, Size: 15.7in
Easy installation fits where we wanted them. Stable strong secure snug fit. Cleans easily with dust wipe. I would recommend buying these.
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Reviewed in the United States on May 19, 2026
★★★★★ 3
The shelves sag away from the wall overtime
Color: White, Number Of Shelves: 2, Size: 15.7in, Color: White, Number Of Shelves: 2, Size: 15.7in
Although the wood quality and finish of the shelf are clean and well-made, the main issue is that the shelves begin to sag over time while holding around 10 pounds, even though the product listing claims they can support up to 20 pounds. They may perform better on a brick wall, but on drywall you should be cautious.
To fix the problem, I had to purchase floating shelf brackets for support, which solved the sagging issue. However, this defeats the purpose of the “floating” aesthetic. Since the shelf is in my bedroom, I can overlook it, but I personally wouldn’t install these in a common area if I wanted a clean floating look.
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Reviewed in the United States on May 27, 2026