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Description
Male Union 3331838 for Cummins B5.9/B6.7/ISB/ISX EnginesCondition: New Original Note: This 100% Genuine part is non returnable and non exchangeable. Please verify the correct part number before purchasing, instead of solely relying on the model. Replacement part number: 3331838 Fit For Cummins Engine: B5. 9 GAS PLUS CM556, B6. 7 CM2350 B121B, B6. 7 CM2350 B135B, B6. 7 CM2350 B136C, B6. 7 CM2350 B148B, B6. 7 CM2350 B157C, B6. 7 CM2450 B155B, B6. 7 CM2450 B177C, B6. 7 CM2670 B153B, B6. 7 CM2670 B173B, B6. 7O
Condition:
New OriginalNote:
This 100% Genuine part is non-returnable and non-exchangeable. Please verify the correct part number before purchasing, instead of solely relying on the model.Replacement part number:
3331838Fit For Cummins Engine: B5.9 GAS PLUS CM556, B6.7 CM2350 B121B, B6.7 CM2350 B135B, B6.7 CM2350 B136C, B6.7 CM2350 B148B, B6.7 CM2350 B157C, B6.7 CM2450 B155B, B6.7 CM2450 B177C, B6.7 CM2670 B153B, B6.7 CM2670 B173B, B6.7O CM3580 B193B, GTA38 G CMEICS G116C, HSK78G CM2358 K129G, ISB CM2150, ISB CM2150 E, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 CM2350 B103, ISBE4 CM850, ISC8.3 CM2250, ISL CM554, ISL CM850, ISM CM570/870, ISM CM875, ISM CM876, ISM CM876 E, ISV (Nissan), ISV5.0 CM3230 V104, ISX CM870, ISX CM871, ISX CM871 E, ISX12 CM2350 X102, ISX12 G CM2180 EJ, ISX12/ISX11.9 CM2250, ISX12N CM2380 X120B, ISX15 CM2250, ISX15 CM2350 X101, ISZ13 CM2150 SN, ISZ13 CM2150 Z105, ISZ13 CM2150 Z106B, KTA38GC CM558, L9 CM2350 L116B, QSB3.3 CM2150, QSB6.7 CM2250, QSB6.7 CM2250 B128, QSB6.7 CM2250 EC, QSB6.7 CM2350 B105, QSB6.7 CM2350 B112, QSB6.7 CM2350 B130, QSB6.7 CM2670 B170C, QSB6.7 CM850(CM2850), QSC8.3 CM850(CM2850), QSG12/X12 CM2350 G110, QSK19 CM2150 K139M, QSK19 CM2150 MCRS, QSK19 CM2350 K144G, QSK19 CM2450 K155G, QSK19 CM850 MCRS, QSK23 CM2350 K127, QSK23 CM500, QSK38 CM2150 K106, QSK38 CM2150 K142M, QSK38 CM2150 MCRS, QSK38 CM2150 MCRS G, QSK38 CM2150 MCRS M, QSK38 CM2350 K125, QSK38 CM2350 K138M, QSK38 CM850 MCRS, QSK38 G CM2358 K122, QSK45 CM500, QSK50 CM2150 K107, QSK50 CM2150 K140M, QSK50 CM2150 MCRS, QSK50 CM2150 MCRS G, QSK50 CM2150 MCRS M, QSK50 CM2350 K108, QSK50 CM2350 K130, QSK50 CM850 MCRS, QSK50 DF CM850/CM2150 MCRS, QSK60 CM2150 K132M, QSK60 CM2150 MCRS, QSK60 CM2150 MCRS G, QSK60 CM2150 MCRS M, QSK60 CM2350 K116, QSK60 CM2350 K117, QSK60 CM2350 K121, QSK60 CM2350 K135, QSK60 CM2350 K136, QSK60 CM2350 K149M, QSK60 CM500, QSK60 CM850 MCRS, QSK60G, QSK78 CM2250 K104, QSK78 CM2350 K126, QSK78 CM2350 K137, QSK78 CM500, QSK95 CM2350 K128M, QSN14 CM876 N103, QST30 CM2350 T101, QST30 CM552
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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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
4.7 ★★★★★
Based on 1761 reviews
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Product Reviews
★★★★★ 5
Precise and durable
Color: Birch
Best coffee scale for the price. No crazy features which makes it very easy to use. Small enough to store in a drawer and durable enough to not worry about it breaking. Scale is very precise which makes it great for V60 and Chemex
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Great Coffee Scale
Color: Onyx Black, Color: Onyx Black
Absolutely love this coffee scale! For starters it was so well packaged. It is definitely worth what you pay for it. It has a silicon removable mat that fits snugly over the top of the scale. That makes it easy to pop it off to clean if you spill on it. The scale responds instantly to changes in weight which helps to give you accurate pour over results every single time.
The scale also includes a built-in timer with a count-up or down control. It also has an auto shutoff but gives you plenty of time before it shuts off. There are multiple units to choose from when measuring. Overall just a really great scale and I'm so glad I purchased it!
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Reviewed in the United States on April 9, 2026
★★★★★ 4
great scale (read tips for its super sensitivity)
Color: Onyx Black, Color: Onyx Black
in hopes this will help anyone else who bought this scale- this thing is super sensitive to vibrations. if your scale is getting off calibration for seemingly no reason, make sure the sides and the back aren’t touching anything else and that the bottom is on a flat surface and it will fix it entirely, trust me!! but aside from that, this scale works absolutely perfectly. it’s just the right size for my morning coffee, has great battery life, and is really straightforward to use. plus the silicone top makes it really easy to clean and looks nice on my countertop. the timer is super convenient for making coffee, this is an amazing scale for this price point
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Reviewed in the United States on October 13, 2025
★★★★★ 5
1 year review: Excellent coffee scale
Color: Onyx Black
I bought this about a year ago and have used it daily ever since.
The scale is easy to read, fast to update, and is precise. My previous coffee scale cracked from the repeated heating from my v60 carafe even with a silicone pad within 6 months. This scale has endured and I'm quite happy with it's durability.
It's accurate and precise enough I actually use it with my bread machine as well. It's a nice, low weight scale overall.
Cleaning is fairly easy, I just wipe down with a damp cloth. You can pull the silicone pad off and wash it more thoroughly if you want.
My only down side is that I find the batteries drain a little quickly. My normal kitchen scale can last years on a button battery, while I usually have to replace the batteries here every 6 months. I don't use the scale for more than 3-4 minutes at a time daily and once or twice a week a second time per day, and whether the battery life is due to the brightness of the display or the polling frequency of the scale, it's a minor enough quibble to not ding it's rating.
It's not a cheap scale, but it appears to be one of those "buy once for a long time" investments. If you're serious about coffee dosing and measuring your water for pour over, it's easy to recommend.
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Reviewed in the United States on July 7, 2025
★★★★★ 5
Excellent coffee scale!
Love this scale! The display is pleasing, high-contrast and very clear. It has a silicone cover, and there are zero gaps around the screen and buttons, so it's easily cleaned and I don't worry about damaging the internals with water or crumbs.
There is a tiny bit of float, typically less than a gram, and only occasionally. For example, I'll weigh out 19.3g of beans, seal the bag, and come back to 18.9g. It's minor enough and infrequent enough that it doesn't concern me at all.
The readout is quick and responsive, and I love the timer. At first it seems a little confusing to switch between counting up and counting down, but after doing it once I have no trouble with it even half-asleep. Just hold the units button, press it again to change between modes, and use power & tare to set minutes and seconds if counting down (use play/pause to confirm each setting). Takes less than 10 seconds.
Overall it's quick, accurate, and well-made. I love that it has a much smaller footprint than my old kitchen scale, and looks sleek on the counter. Perfect addition to my coffee station! I also highly recommend their gooseneck kettle if you're in the market ☕
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Reviewed in the United States on March 7, 2025