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- USA
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
Pressure Regulator Plunger 3945967 for Cummins 6C8.3, B3.3, G8.3 EnginesReplacement part number: 3945967 Application: Fit for Cummins Engine: 4B3. 9, 6B5. 9, 6C8. 3, B3. 3, B4. 5, B6. 7 CM2350 B121B, C GAS PLUS CM556, C8. 3 G, G8. 3, G8. 3 CM558, GTA8. 3 CM558, ISB6. 7 CM2250, ISBE4 CM850, ISC CM2150, ISC CM554, ISC CM850, ISC8. 3 CM2250, ISC8. 3 G CM2180 C101, ISF2. 8 CM2220 F122, ISF3. 8 CM2220, ISL CM2150, ISL CM554, ISL CM850, ISL G CM2180, ISL8. 9 CM2150 L110, ISL8. 9 CM2880 L112, ISL8. 9 CM2880 L140, ISL9 CM2150 SN,
Replacement part number:
3945967Application:
Fit for Cummins Engine: 4B3.9, 6B5.9, 6C8.3, B3.3, B4.5, B6.7 CM2350 B121B, C GAS PLUS CM556, C8.3 G, G8.3, G8.3 CM558, GTA8.3 CM558, ISB6.7 CM2250, ISBE4 CM850, ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250, ISC8.3 G CM2180 C101, ISF2.8 CM2220 F122, ISF3.8 CM2220, ISL CM2150, ISL CM554, ISL CM850, ISL G CM2180, ISL8.9 CM2150 L110, ISL8.9 CM2880 L112, ISL8.9 CM2880 L140, ISL9 CM2150 SN, ISL9 CM2250, ISL9 CM2350 L101, ISL9 CM2350 L111, ISL9.5 CM2150 SN, ISL9.5 CM2880 L138, ISLE4 CM850, L GAS PLUS CM556, L8.9, L8.9 CM2880 L146G, L8.9 L121, L8.9G CMOH2.0 L125B, L9 CM2350 L116B, L9 CM2350 L119B, L9 CM2350 L120C, L9 CM2350 L123B, L9 CM2350 L129C, L9 CM2350 L133C, L9 CM2450 L126B, L9 CM2450 L143C, L9 CM2670 L128B, L9 CM2670 L132B, L9 CM2670 L134C, L9 CM2670 L135C, L9 CM2670 L136C, L9 CM2670 L137C, L9.3 L105, L9.5 L117, L9N CM2380 L124B, L9N CM2380 L130B, L9N CM2380 L142B, N14 MECHANICAL, NH/NT 855, QSB3.3 CM2150, QSB6.7 CM850 CM2850, QSC8.3 CM2880 C102, QSC8.3 CM554, QSC8.3 CM850 CM2850, QSC9 CM2250, QSL9 CM2250, QSJ8.9 G, QSL8.9 CM2150 L141, QSL9 CM2250, QSL9 CM2250 L115, QSL9 CM2350 L102, QSL9 CM2350 L107, QSL9 CM2350 L118, QSL9 CM554, QSL9 CM850 CM2850, QSL9 G CM558, QSL9 M CM2250 L106, QSL9.3 CM2880 L113
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4.1 ★★★★★
Based on 1643 reviews
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Product Reviews
★★★★★ 4
Affordable and very good
Size: (Pack of 1)
Not sure if there is a longevity issue with these but these are fair priced and fit perfectly in my 21’ accord sport and 20’ CRV-L. I will be buying this again next year
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Reviewed in the United States on January 28, 2024
★★★★★ 5
Clear Filter
Size: (Pack of 1)
Vehicle: 2020 Honda Accord LX 1.5T CVT
The stealership wanted $60 in my area to change this out. Just look up online how easy it is to do it yourself. Can easily be handled in a minute. The only real thing to note is that it took almost a full gas tank for the car's computer to re-learn how to idle smoothly again. Of course, this is because it learns to compensate for the old dirty filter. So it has to get used to the new/fresh one. Overall, the look and feel of this product is great. Very similar to OEM. After the idle smoothed out it's virtually identical in performance. Would recommend to anyone.
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Reviewed in the United States on May 1, 2024
★★★★★ 5
Good purchase
Size: (Pack of 1)
Worked good.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
GREAT ITEM
Material Type: Carbon Fiber, Material Type: Carbon Fiber
This cupholder fits perfectly in my 2005 BMW 325xi (E46). I love the carbon fiber texture on it, it is exactly what I was expecting. It is super easy to install and to use, it looks great and it is definitely worth the money. The quality is great, it came with no imperfections, I would buy this item. (In the photo there is a black and a tan center console for color matching).
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Reviewed in the United States on September 21, 2025
★★★★★ 5
Very well built and look great.
Material Type: Carbon Fiber
These are very well built and look great in my custom console. The color fits very good with my build, and it's very functional.
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Reviewed in the United States on April 19, 2025