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Description
3689649RX Genuine Cummins Air CompressorPart details DESCRIPTION Air Compressor For Cummins Isx CONDITION Used BRAND Cummins PART NUMBER 3689649RX OTHER OEM PART NUMBERS THAT WILL WORK 3690864RX, 3687343, 3690864, 4318220RX, 3685918, 3690864RXCUM, 3690864PX, 3690864NX, 165 032 0008 1650320008 1650790008 3685608, 3685918 3685918NX 3687343 3687343NX, 3687344 3689648 3689649 , 3690864, 3690865, 3690865RX, 4318219 4318220 4318220NX75 4318220NX75, 4318220RX 911153019 9111530190, 9111530197
Part details
| DESCRIPTION | Air Compressor For Cummins Isx |
| CONDITION | Used |
| BRAND | Cummins |
| PART NUMBER | 3689649RX |
| OTHER OEM PART NUMBERS THAT WILL WORK | 3690864RX, 3687343, 3690864, 4318220RX, 3685918, 3690864RXCUM, 3690864PX, 3690864NX, 165-032-0008 1650320008 1650790008 3685608, 3685918 3685918NX 3687343 3687343NX, 3687344 3689648 3689649 , 3690864, 3690865, 3690865RX, 4318219 4318220 4318220NX75 4318220NX75, 4318220RX 911153019 9111530190, 9111530197 911153019R, 9111530197X, 5558790 , 3690864 3690864RX 3690865 3690865RX, 165-032-0008 1650320008 1650790008 3685608, 4318219 4318220 4318220NX75 4318220NX]75, 3685918 3685918NX 3687343 3687343NX, 9111530197 911153019R, 4318220RX 911153019 9111530190, 3687344 3689648 3689649 3689649RX |
Function of this part
This component is part of the heavy-duty truck chassis or engine system and is designed for the loads and duty cycles found in commercial service. It is built to work with OEM mounting points and connections for the specified application.
Why this part matters
Choosing a correct OEM-style part helps avoid fitment issues and keeps the truck operating as the manufacturer intended. A good used part can restore function quickly while keeping repair costs under control.
About the brand
Cummins engine parts are trusted for reliable power in a variety of heavy-duty truck and equipment applications.
Fitment & usage
Used OEM parts are a smart choice for controlling repair costs while still using original-equipment components. Always match the OEM part number(s) listed to your existing part, and consult your service manual, dealer, or technician if you are unsure about fitment.
Note: Because this is a used component, normal signs of wear such as scratches, discoloration, or light surface corrosion may be present. Refer to the product photos and information on Second Truck Parts for the best representation of the part you will receive.
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
4.3 ★★★★★
Based on 12 reviews
Sort
Product Reviews
★★★★★ 3
Happy for now but not impressed
Configuration: Fire TV Soundbar
So, I have a insignia fire tv so you would think an Amazon fire soundbar would work perfectly?
It was particularly hard to set up, but the issue was that tv speakers wouldn't switch off so I would have an echoing, double effect of audio. The setting said they were off, but they were not. In fact, I couldn't even switch them off normally. Even with nothing connected, I switch them off and still get sound pushed through.
I kept trying to fix it. What I had to do was:
1) Settings
2) HDMI-CEC control
3) Switch One Touch Play off
4) Turn off Soundbar
5) Set Volume to 0
6) Turn Soundbar back on
That seem to let the soundbar function independently, get rid of the echoing, and get everything to work as described. The downside, the volume will only go up and down at 2 intervals despite what I set it to internally. And, there is no easy way to switch between the TV and sound bar for audio without screwing up the good result I got after working all day on it.
Also, make sure you plug into your first HDMI port/Arc port. I had my gaming console set up and didn't realize my intital issue of no sound was the fact that I needed to swap the ports.
Frankly, being an Amazon soundbar with and Amazon TV that specifically has a set up for it. I would say the functionality kind of sucks because it it should just work, like it says it should, by following the instructions without having to search up and down for way to keep both audios from playing. Like, the setting say the internal speakers were off despite being a lie and that setting effected nothing. It made it more difficult them it needed to get it to work somewhat normally.
I would prefer to set it so volume interval is 1 but I guess to make this usable I am stuck at 2 everytime. And, I better hope that nothing changes and messes it up again in a update to the TV.
The sound itself is a improvement, and there is a marked difference between regular and surround sound. It sort of like watching TV versus going to a theater. It terms of the way it fills the room and hits your ear. I can't say that the movie, music, dialogue settings seem to different to me. The size is okay. It just tall enough to not block my screen. The length is just about the size of my dresser. Depth is about 3.5 inches so as long as you have another room in front or to push back your TV, you will be fine.
Overall, it is nice but I am not sure if I am total happy I bought it considering it was almost $90 for what I would categorize as works okay. I feel like for that price, and the fact I specifically bought Amazon for the fact I thought it would better with fire tv, that I am not blown away. Happy for now, but not impressed.
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Reviewed in the United States on May 27, 2025
★★★★★ 5
Pretty good unit for my PC
Configuration: Fire TV Soundbar
Not bad little unit. I didn't buy for my TV but rather for my desktop as I kind of got annoyed with wearing headphones to just either listen to tunes or more importantly watch tutorials or other problem solving methods for my work. Many of the other units I see are super long making them unusable in this situation but this one is nice and short and sounds just as good as others. Unless you're truly an audio perfectionist I feel that the vast majority of sound bars are pretty much indistinguishable from each other. I also like how this unit is relatively easy to use and has the optical audio port I like to use. It's also not super light like some of the really cheap Chinese ones I've gotten over the years. It's only matters to me as if things are too light and cheap they either move or shift super easy which always kind of annoys me. Overall a pretty good bang for my buck. We'll see how it holds up over time. Although being a speaker I expected to almost be immortal.
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Sound is great and easy to hook up
Configuration: Fire TV Soundbar
It took a total of two minutes to have this thing powered up and working on my TV. For such a low price, I could not believe the sound that this thing puts out in a large bedroom 18’X21’. With being able to select the different sound on the equalizer, it really helped make the sound sound like a much more expensive unit. I listened to music, movies, and the news and they all sound great. I don’t know why this thing got negative reviews but for the size, price and not having a sub, I have never heard a better sounding one.
You will not be disappointed, unless you are a serious audio nerd. I would definitely buy another one if need be.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Asurion worked when needed!
My faithful dust buster broke and the nozzle wouldn't stay attached to the vacuum. I used my Asurion extension and they took care of it quickly with no hassle.
Thanks
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Reviewed in the United States on March 23, 2026
★★★★★ 5
Great coverage, easy to use, quick response to requests
Great service. Very easy to request and quick to receive a resolution. Their website is a bit confusing, it seems to default to mobile phone inquiries, there is another section to request service on other items. I will definitely purchase protection in the future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 19, 2025
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