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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
O Ring Seal 3949708 for Cummins 4B3.9, B6.7, ISB, ISX12, ISX15 EnginesReplacement part number: 3949708 Fit for Cummins Engine: 4B3. 9, B6. 7 CM2670 B153B, B6. 7 CM2670 B173B, HSK78G CM2358 K129G, ISB CM850, ISB6. 7 CM2250, ISC8. 3 CM2250, ISV5. 0 CM3230 V104, ISX CM871, ISX CM871 E, ISX12 CM2350 X102, ISX12 G CM2180 EJ, ISX12 CM2250, ISX11. 9 CM2250, ISX15 CM2250, ISX15 CM2350 X101, KTA19GC CM558, QSB6. 7 CM2670 B170C, QSK23 CM2350 K127, QSK23 CM500, QSK95 CM2350 K111, QSK95 CM2350 K113, QSK95 CM2350 K128M, QSK95 CM2350
Replacement part number:
3949708Fit for Cummins Engine:
4B3.9, B6.7 CM2670 B153B, B6.7 CM2670 B173B, HSK78G CM2358 K129G, ISB CM850, ISB6.7 CM2250, ISC8.3 CM2250, ISV5.0 CM3230 V104, ISX CM871, ISX CM871 E, ISX12 CM2350 X102, ISX12 G CM2180 EJ, ISX12 CM2250, ISX11.9 CM2250, ISX15 CM2250, ISX15 CM2350 X101, KTA19GC CM558, QSB6.7 CM2670 B170C, QSK23 CM2350 K127, QSK23 CM500, QSK95 CM2350 K111, QSK95 CM2350 K113, QSK95 CM2350 K128M, QSK95 CM2350 K143C, QSK95 CM2350 K147C, QSN14 CM876 N103, QSX11.9 CM2250 ECF, QSX15 CM2250, QSX15 CM2250 ECF, QSX15 CM2250 X115, QSX15 CM2350 X105, QSX15 CM2350 X106, QSX15 CM570, X15 CM2350 X116B, X15 CM2350 X125M, X15 CM2350 X130C, X15 CM2350 X139C, X15 CM2350 X140C
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.9 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Must have for rosacea sensitive skin!
Style: Tolerance Control Soothing Skin Recovery Cream
I have fair, sensitive skin & since being in peri-menopause I suddenly have rosacea. This cream is SO gentle on the skin but so instantly calming. It hydrates so well & a little goes a long way. I will be buying this over & over from now on!
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Great for Sensitive Skin
Style: Tolerance Control Soothing Skin Recovery Cream
I have very sensitive skin and have tried everything to try and prevent rosacea flairs. I recently came across this brand and I absolutely love this recover cream. I consider this now the holy Grail for Rosacea and sensitive skin. It makes my skin feel hydrated and non-reactive. It is soothing and I just cannot get enough of it. It is pricy but it is worth it to not have my face constantly feeling like its burning or irritated.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Wonderful recovery Cream
Style: Tolerance Control Soothing Skin Recovery Cream
The cream is very soothing on the skin, it is all that it claims to do. After a couple of uses, my skin cleared up of all the dryness and redness. It is gentle and effective on the skin. Its very good value for money. For anyone with sensitive skin its very beneficial. I will recommend it.
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Reviewed in the United States on May 20, 2026
★★★★★ 4
Great product for sensitive skin
Style: Tolerance Control Soothing Skin Recovery Cream
I have sensitive skin that is constantly getting irritated by moisturizers/seemingly simple skin care products. I read a few blogs/articles/reviews on different products others have tried for similar issues and this one came up, so I decided to give it a try. It’s nice and light and goes on smoothly. Skin feels moisturized and does not get irritated, so that’s a win! The only reason I took off 1 star is it leaves my skin a bit oily for my liking, but that could just be my skin.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
perfect for sensitive skin
Style: Tolerance Control Soothing Skin Recovery Cream
This provided perfect therapy for sensitive skin. IT WORKS!
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Reviewed in the United States on May 19, 2026