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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
AUTOOL AS503 2.8 inch Backlit Display Car Engine Oil Tester Lubricating Oil Quality Analyzer, AS5031. More Powerful Detection Range: Transmittance Detection: Measure the oil transmittance (0 100%) through optical technology, visualize the degree of oil contamination, to help users scientifically judge the oil change cycle. 2. Dual mode Adaptation: The engine oil quality tester supports both gasoline engine and diesel engine oil type detection, covering the needs of mainstream car models. Switchable degree Celsius Fahrenheit units, real time display
1. More Powerful Detection Range: Transmittance Detection: Measure the oil transmittance (0-100%) through optical technology, visualize the degree of oil contamination, to help users scientifically judge the oil change cycle.2. Dual-mode Adaptation: The engine oil quality tester supports both gasoline engine and diesel engine oil type detection, covering the needs of mainstream car models. Switchable degree Celsius/Fahrenheit units, real-time display of oil temperature, to ensure that the engine is at a safe temperature (less than 60 degree Celsius) during testing.
3. Precision Test and Sensitive Probe: The testing hose is made of oil-resistant material, which prevents chemical oil corrosion and prolongs the service life. Length of 800mm, easy to go deep into the dipstick hole or oil sump sampling. Adopting high-precision sensors, stable signal transmission ensures no interference with the light transmission rate data.
4. Easy Instant Read: 2.8 inches high resolution screen, instant display result, large display with backlight, easy and clear reading in sun or night. The LCD screen intuitively displays the light transmission rate, temperature, oil type and status prompts (e.g. warning symbols), without professional interpretation.
5. Humanized handheld design: The handheld part of the body is made of silicone substrate, which has excellent hand feel and lightweight design, and can be easily operated with one hand.
6. Working voltage: 6V
7. Working temperature: -10~60 degrees Celsius
Specification:
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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 1285 reviews
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Product Reviews
★★★★★ 5
Nice
Enjoyed the complete contents of kit, even a small bubble level and sticky patches to cover screw heads. Quality wooden shelf, good looking
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Reviewed in the United States on November 28, 2024
★★★★★ 2
Pieces missing, poor instructions, would not buy again!
Let's start with the good news: I did, eventually, get the shelves hung after a trip to the hardware store and some trial and error.
Now for the bad news:
* One of the screws holding the brace to the shelf was missing, making the shelf wobbly before I even hung it.
* The directions for hanging the shelves show a different anchor than the one that comes packaged with them. This anchor will ONLY work in sturdy drywall and it's going to leave a huge hole behind.
* The directions tell you to flip the shelf upside-down to position and mark the screw holes, BUT that means the sides of the shelf are reversed, and the hole positions do not match on each side. So if you start hammering or drilling based on those marks, they don't align and now you have extra holes in your wall.
Honestly, I regret buying these and wish I'd just chosen a free-standing shelf instead. But I made it work for me, so I guess there's that.
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Reviewed in the United States on May 26, 2023
★★★★★ 5
Nice oak corner shelf but check your measurements first
5 stars for the shelf, 3 stars for myself :-)
This is a well-made oak corner shelf that looks great where I put it. The wood is nice quality and the construction is solid.
Before you order though, do yourself a favor and check two things: 1) Make sure the size is actually big enough for what you need, and 2) Check that your corner is actually a true 90-degree angle. Turns out mine isn't perfectly square and now I'm trying to figure out how to position this thing properly.
Good product overall, just wish I'd measured more carefully before ordering.
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Reviewed in the United States on August 12, 2025
★★★★★ 5
It’s Poyfect!
Color: White, Number Of Shelves: 2, Size: 35.4inch(set of 2), Color: White, Number Of Shelves: 2, Size: 35.4inch(set of 2)
i’ve been wanting this shelf for quite some time and finally decided I’m doing it. I’m absolutely completely satisfied with the size the quality of the wood and the paint job. It’s made very well. I have to say I was surprised at how nicely sanded it was and ready to hang.
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Reviewed in the United States on December 10, 2025
★★★★★ 5
Great addition to nursery
Color: Walnut, Number Of Shelves: 4, Size: 16inch(set of 4)
Love it!
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Reviewed in the United States on May 19, 2026