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Description
48pcs Valve Collet 3901177 for Cummins QSB6.7 CM850 ISL9 CM2250 EnginesReplacement part number: 3901177 Application: Fit for Cummins Engine: 15N CM2380 M104B, 15N CM2380 M105B, 4B3. 9, 6B5. 9, 6C8. 3, C GAS PLUS CM556, G8. 3, G8. 3 CM558, GTA8. 3 CM558, ISBE4 CM850, ISC CM2150, ISC CM554, ISC8. 3 CM2250, ISC8. 3 G CM2180 C101, ISG11 CM2880 G106, ISG11 CM2880 G108, ISG12 CM2880 G107, ISG12 CM2880 G109, ISG12 G CMOH6. 0 G111, ISL CM850, ISL G CM2180, ISL9 CM2250, ISL9 CM2350 L101, L GAS PLUS CM556, L8. 9G CMOH2. 0 L125B,
Replacement part number:
3901177Application:
Fit for Cummins Engine: 15N CM2380 M104B, 15N CM2380 M105B, 4B3.9, 6B5.9, 6C8.3, C GAS PLUS CM556, G8.3, G8.3 CM558, GTA8.3 CM558, ISBE4 CM850, ISC CM2150, ISC CM554, ISC8.3 CM2250, ISC8.3 G CM2180 C101, ISG11 CM2880 G106, ISG11 CM2880 G108, ISG12 CM2880 G107, ISG12 CM2880 G109, ISG12 G CMOH6.0 G111, ISL CM850, ISL G CM2180, ISL9 CM2250, ISL9 CM2350 L101, L GAS PLUS CM556, L8.9G CMOH2.0 L125B, L9.3 L105, L9N CM2380 L124B, L9N CM2380 L130B, L9N CM2380 L142B, M12/M13 CM2670 M115B, M14 CM2670 M111C, M15 CM2670 M106B, M15 CM2670 M108B, QSB6.7 CM850(CM2850), QSC8.3 CM554, QSC8.3 CM850(CM2850), QSG12 CM2350 G113, QSG12 CM2880 G112, QSG12/X12 CM2350 G110, QSJ8.9 G, QSL9 G CM558, X11 CM2670 X126B, X12 CM2350 X119B, X12 CM2350 X144C, X12 CM2450 X137B, X12 CM2670 X121B, X12 CM2670 X135C, X12 CM2670 X136B, X12N CMMDG1 X143B, X13 CM2670 X122B, X13 CM2880 X138B, X15 CM2350 X116B, X15 CM2670 X145B, Z14 CM2670 Z103B, Z14 CM2670 Z109C, Z15 CM2670 Z107B
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4.1 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 1
Poor quality junk
Poor quality. Does not work as advertised. Do not buy this junk.
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Reviewed in the United States on May 14, 2026
★★★★★ 3
good on 16-inch MacBookPro and ThinkPad but not 13-inch MacBookPro; intermittent USB 3.2 connections
UPDATE 2025-NOV - lowering to 3-stars:
Found that only the 2nd USB-C from the right is truly USB 3.2 compliant. Using the same SSD and same USB-C 3.2 cable, only the 2nd port from the right connects at 10Gbps speeds for RTL9210B-chipset enclosure SSDs (and I have tested with 4 different ones). The other 2 ports on this Anker adapter are intermittent, sometimes they connect the SSD as USB 3.0 and sometimes it connects as USB 2.0, for the same SSDs. The odd thing (as possible workaround) is that if we use a USB-C to USB-A female adapter and then use a USB-A to USB-C cable to the same SSD, it now connects at USB 3.0 speed on any of the ports, but transfers only at 5Gbps throughput.
Another annoying thing is, this Anker adapter, even after the firmware upgrade, still intermittently "sleeps" or "goes offline" and disconnects from the laptop (does this on both my MacBook and ThinkPad). It does automatically reconnect after a few seconds, but very annoying, and can possibly corrupt drives that are connected when it happens.
ORIGINAL REVIEW - 4 stars:
USB-C hub is fast, able to transfer 5+ Gbps to SSD.
Video display quality is OK for 1440p (when it works).
DisplayPort video worked on ThinkPad and 16-inch MacBookPro, but not on 13-inch MacBookPro; connecting to a USB-C connected monitor (video worked without this Anker adapter).
USB-C cable length to host computer is long enough.
Worth the $30 price I paid ... yes; it served the purpose of having a USB-C hub while still being able to use the USB-C port for DisplayPort video; overall good design.
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Reviewed in the United States on September 10, 2025
★★★★★ 4
Video output does not contain power — caveats and findings for Switch users to whom this may concern
The product works with some caveats, which I initially tried to resolve with an ultimately unsuccessful firmware upgrade. (Anker was responsive via email, much appreciated.) It turns out the product was working to the best of its abilities this whole time, which I will now expound upon.
I expect that perhaps another 4-5 people in the world intended to use this in the ways that I did, namely with a Nintendo Switch as the source to various output devices. If you are one of these people who are interested in reading my experience connecting this hub with a Nintendo Switch, my findings are below (after a brief primer).
A Brief Primer
1. As you know, the Nintendo Switch can be coaxed to output Dp-Alt video if you can satisify a 39W+ handshake (15V, 2.6A or higher)
2. There are other adapters that will do this and output the video (with ample power) over USB-C, which are useful for powering AR glasses, portable monitors, or desktop USB-C monitors.
3. The limitation of a USB-C Dp-Alt adapter is that it does not also provide USB data ports like the Switch Dock itself, while many USB-C to HDMI dongles include USB-A ports. (But we don't want HDMI out, of course, because using USB-C we can power AR glasses or a portable monitor and send the video signal with one cable.)
4. I surmised that, by chaining a USB-C Dp Alt Adapter to this one (Anker A8340), I could have video output and three USB-C ports. Why do I want USB-C data ports? Since you are like me, you already know it is so I can connect a UAC1 DAC to output USB Audio and power thirsty headphones via a 4.4mm Pentacon balanced headphone jack. I also don't need to convince you of the merits of this versus using the Switch's built in 3.5mm headphone jack. Or say, connecting a wired controller because I don't care for input latency if I can avoid it.
My Findings
1. This hub can indeed be chained to a USB-C Dp-Alt adapter and pass through a video signal while also leaving three USB 3.2 data ports for wired devices (yes!)
2. However, as other reviews kindly mention, the video signal outputted by the A8340 does not contain power of any sort. So, if you are intending to plug this into a desktop USB-C monitor which already has/doesn't need power, then everything is awesome.
3. If you are trying to power AR glasses, this won't work unless you add a second USB-C DP-Alt adapter after it, and provide power that way. If you intend to convert the video signal to HDMI or DisplayPort via a USB-C to HDMI or DP cable, these won't work because there is no power for the inline conversion.
4. If you are using a USB-C travel monitor, this will work provided you directly power the monitor via its second USB-C power (if it has one).
So in summation, it's possible to get what you want, though you may find the victory pyrrhic. The perfect adapter (which I had hope this was, and may yet exist at a higher price point) basically takes a USB-C Dp-Alt adapter, adds USB-C data ports, and outputs USB-C + power to power AR glasses or a travel monitor.
This device nevertheless has its uses, such as the ability to connect multiple USB-C devices to the Switch in handheld mode and charge it, too.
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Reviewed in the United States on January 30, 2025
★★★★★ 5
Simple and reliable. No Flaws.
Flawless performance so far. I use this item with my iMac, and I'm able to run a 12 channel music interface through it with no noticeable lag.
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Reviewed in the United States on February 27, 2026
★★★★★ 5
Essential USB-C Adapters That Just Work Perfectly
These adapters are an absolute must-have and make life significantly easier when dealing with modern USB-C devices.
The fit is perfect, the adapters feel high quality, and they work flawlessly. Data transfer has been fast and reliable, and I have had no connectivity issues at all.
They are small enough to keep permanently attached to cables or stored in a laptop bag, making them incredibly convenient for everyday use.
As someone who regularly works with laptops, electronics, and multiple USB standards, I consider these essential accessories. They offer excellent value for the money and solve a surprisingly common problem very elegantly.
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Reviewed in the United States on May 27, 2026