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- USA
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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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
Shipping Notes
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Exchange/Return Notes
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4.7 ★★★★★
Based on 2462 reviews
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Product Reviews
★★★★★ 4
Great product!
Color: Beige, Size: 88"- 4 Panel
Worked well and it was easy to roll around and fold. The size is great and has a good weight to it. Very sturdy, I plan to buy more
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Wonderful Room Partition !
Color: Black, Size: 88"- 4 Panel
This product is made very well, packaged, and assembled with no problems. All parts and tools are included (except a Phillips screwdriver.) I put this item all together by myself on a bed to make it easy and simple. I made sure that every screw head was attached where the recessed dimples are located on the vertical poles, just don't overtighten anything. Everything fits like a charm, good quality, looks great, perfect height, rolls with ease, proper privacy, really impressive ! I got the 4-panel in black color. I would certainly buy this item again ! Thank you !
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Reviewed in the United States on September 26, 2025
★★★★★ 1
Not impressed
Color: Beige, Size: 21.5"- 1 Panel
Very flimsy but does the job intended
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Reviewed in the United States on May 27, 2026
★★★★★ 3
Fair
Color: Black, Size: 88"- 4 Panel
Fair product. Very cheap quality.
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Reviewed in the United States on August 10, 2025
★★★★★ 5
Sturdy and Easy to Move
Color: Black, Size: 132"- 6 Panel
This 6 ft black partition on wheels is exactly what I needed to divide space without sacrificing style or stability. It’s sleek, professional-looking, and blends in well with any environment—from office spaces to home studios.
The build quality is impressive—very sturdy and doesn’t wobble at all once it’s in place. The wheels glide smoothly and lock securely, making it easy to reposition or keep stationary as needed. Assembly was quick and straightforward, with all parts clearly labeled.
Overall, this partition is a perfect combination of functionality and design. Highly recommend it if you need a durable, mobile room divider that looks great and performs even better.
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Reviewed in the United States on August 4, 2025