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Description
4-Piece Threaded Plug 3924148 for Cummins ISB/QSB/CM2150 EnginesReplacement part number: 3924148, 3904386 Application: Fit for Cummins Engine: 4B3. 9, 6B5. 9, 6C8. 3, B3. 3, B3. 9 CM2620 B171C, B3. 9 G, B4. 5, B4. 5 CM2350 B146C, B5. 9 CM2670 B166C, B5. 9 G, B5. 9 GAS PLUS CM556, B5. 9 LPG PLUS CM556, B6. 7 CM2350 B136C, B7 CM2670 B165C, C GAS PLUS CM556, C8. 3 G, G5. 9, G5. 9 CM558, G8. 3, G8. 3 CM558, GTA8. 3 CM558, ISB CM2150, ISB CM2150 E, ISB CM550, ISB CM850, ISB3. 9 CM2220 B107, ISB5. 9 CM2880 B127, ISB5. 9
Replacement part number:
3924148, 3904386Application:
Fit for Cummins Engine: 4B3.9, 6B5.9, 6C8.3, B3.3, B3.9 CM2620 B171C, B3.9 G, B4.5, B4.5 CM2350 B146C, B5.9 CM2670 B166C, B5.9 G, B5.9 GAS PLUS CM556, B5.9 LPG PLUS CM556, B6.7 CM2350 B136C, B7 CM2670 B165C, C GAS PLUS CM556, C8.3 G, G5.9, G5.9 CM558, G8.3, G8.3 CM558, GTA8.3 CM558, ISB CM2150, ISB CM2150 E, ISB CM550, ISB CM850, ISB3.9 CM2220 B107, ISB5.9 CM2880 B127, ISB5.9 CM2880 B172, ISB5.9G CM2180, ISBE CM800, ISBE4 CM850, ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250, ISC8.3 G CM2180 C101, ISG11 CM2880 G108, ISG12 CM2880 G107, 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, L8.9G CMOH2.0 L125B, L9 CM2350 L119B, L9 CM2670 L128B, L9 CM2670 L134C, L9 CM2670 L136C, L9 CM2670 L137C, L9.3 L105, L9.5 L117, L9N CM2380 L124B, L9N CM2380 L130B, L9N CM2380 L142B, M8.5 CM2670 L152B, N14 CELECT, N14 CELECT PLUS, N14 MECHANICAL, NH 855, NT 855, NT743, QSB3.3 CM2150, QSB3.3 CM2250 EC, QSB3.9 30 CM550, QSB4.5 30 CM550, QSB4.5 CM2250 EC, QSB4.5 CM850(CM2850), QSB5.9 30 CM550, QSB5.9 44 CM550, QSB5.9 CM550, QSB5.9 CM850, QSB6.7 CM2150 B109, QSB6.7 CM2250, QSB6.7 CM2250 EC, QSB6.7 CM2350 B105, QSB6.7 CM2350 B112, QSB6.7 CM850(CM2850), QSB7 CM2880 B117, QSC8.3 CM2880 C102, QSC8.3 CM554, QSC8.3 CM850(CM2850), QSC9 CM2250, QSG12 CM2350 G110, QSG12 CM2880 G112, QSJ8.9 G, QSL9 CM2250, QSL9 CM2250 L115, QSL9 CM2350 L102, V903, X12 CM2350 G110
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- Standard Shipping : 3-10 business days
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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.
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4.3 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Comfortable shoes
Size: 10.5, Color: Black
Fit well Look great Get compliments all the time
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Good value for the money.
Size: 9.5 Wide, Color: Beige
Comfortable right out of the box. Great style and well made. The more you wear the softer they get but maintain their overall appearance.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Very good quality for a reasonable price.
Size: 10, Color: Grey
Very good quality, very soft, very comfortable, look amazing, I’m very happy.
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Reviewed in the United States on May 23, 2026
★★★★★ 4
Comfortable fit for slip-in fabric shoes
Size: 14, Color: Black/Black
My first experience with Marc Joseph. I typically purchase dress and casual work shoes from Florsheim and occasionally Rockport. I'm giving these four stars because the initial fit and feel appear solid. Depending on the shoe brand I wear a size 14 or 15. My feet are slightly wide but I don't alway need wide fit. These size 14 fit well with wide enough toe box. I've tried slip in shoes before and they just don't feel right. These somehow work and there is no heel slip. My only reservation is the high lip on the heel for slip-in and hope they dont catch pant hems. I gave 4 stars because I'll have to determine durability. Granted they are a light fabric shoe with a soft rubber tread. I'd like them to last for at least 6 months..and use them for business casual work wear during warm weather.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Stylish and comfortable.
Size: 8 Wide, Color: Black/Black
Shoes look great and fits well. Definitely recommend pocking another pair.
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Reviewed in the United States on May 10, 2026