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Description
Male Union 3331838 for Cummins B5.9/B6.7/ISB/ISX EnginesCondition: New Original Note: This 100% Genuine part is non returnable and non exchangeable. Please verify the correct part number before purchasing, instead of solely relying on the model. Replacement part number: 3331838 Fit For Cummins Engine: B5. 9 GAS PLUS CM556, B6. 7 CM2350 B121B, B6. 7 CM2350 B135B, B6. 7 CM2350 B136C, B6. 7 CM2350 B148B, B6. 7 CM2350 B157C, B6. 7 CM2450 B155B, B6. 7 CM2450 B177C, B6. 7 CM2670 B153B, B6. 7 CM2670 B173B, B6. 7O
Condition:
New OriginalNote:
This 100% Genuine part is non-returnable and non-exchangeable. Please verify the correct part number before purchasing, instead of solely relying on the model.Replacement part number:
3331838Fit For Cummins Engine: B5.9 GAS PLUS CM556, B6.7 CM2350 B121B, B6.7 CM2350 B135B, B6.7 CM2350 B136C, B6.7 CM2350 B148B, B6.7 CM2350 B157C, B6.7 CM2450 B155B, B6.7 CM2450 B177C, B6.7 CM2670 B153B, B6.7 CM2670 B173B, B6.7O CM3580 B193B, GTA38 G CMEICS G116C, HSK78G CM2358 K129G, ISB CM2150, ISB CM2150 E, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 CM2350 B103, ISBE4 CM850, ISC8.3 CM2250, ISL CM554, ISL CM850, ISM CM570/870, ISM CM875, ISM CM876, ISM CM876 E, ISV (Nissan), ISV5.0 CM3230 V104, ISX CM870, ISX CM871, ISX CM871 E, ISX12 CM2350 X102, ISX12 G CM2180 EJ, ISX12/ISX11.9 CM2250, ISX12N CM2380 X120B, ISX15 CM2250, ISX15 CM2350 X101, ISZ13 CM2150 SN, ISZ13 CM2150 Z105, ISZ13 CM2150 Z106B, KTA38GC CM558, L9 CM2350 L116B, QSB3.3 CM2150, QSB6.7 CM2250, QSB6.7 CM2250 B128, QSB6.7 CM2250 EC, QSB6.7 CM2350 B105, QSB6.7 CM2350 B112, QSB6.7 CM2350 B130, QSB6.7 CM2670 B170C, QSB6.7 CM850(CM2850), QSC8.3 CM850(CM2850), QSG12/X12 CM2350 G110, QSK19 CM2150 K139M, QSK19 CM2150 MCRS, QSK19 CM2350 K144G, QSK19 CM2450 K155G, QSK19 CM850 MCRS, QSK23 CM2350 K127, QSK23 CM500, QSK38 CM2150 K106, QSK38 CM2150 K142M, QSK38 CM2150 MCRS, QSK38 CM2150 MCRS G, QSK38 CM2150 MCRS M, QSK38 CM2350 K125, QSK38 CM2350 K138M, QSK38 CM850 MCRS, QSK38 G CM2358 K122, QSK45 CM500, QSK50 CM2150 K107, QSK50 CM2150 K140M, QSK50 CM2150 MCRS, QSK50 CM2150 MCRS G, QSK50 CM2150 MCRS M, QSK50 CM2350 K108, QSK50 CM2350 K130, QSK50 CM850 MCRS, QSK50 DF CM850/CM2150 MCRS, QSK60 CM2150 K132M, QSK60 CM2150 MCRS, QSK60 CM2150 MCRS G, QSK60 CM2150 MCRS M, QSK60 CM2350 K116, QSK60 CM2350 K117, QSK60 CM2350 K121, QSK60 CM2350 K135, QSK60 CM2350 K136, QSK60 CM2350 K149M, QSK60 CM500, QSK60 CM850 MCRS, QSK60G, QSK78 CM2250 K104, QSK78 CM2350 K126, QSK78 CM2350 K137, QSK78 CM500, QSK95 CM2350 K128M, QSN14 CM876 N103, QST30 CM2350 T101, QST30 CM552
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
4.4 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 4
Good for Teething puppies
Color: Teething Stick
After getting my fingers chewed and bitten by my new foster - 8 week old Yorkie , I was desperate to find good teething toys. Fortunately this one arrived quickly. Turned out to be very good for teething puppies! Charlie loves this cooling stick. Once it’s frozen, the cold really seems to soothe his sore gums. The icy part doesn’t stay frozen for long, but it works so well that I bought a second one to keep ready in the freezer while he’s working on the first.
Even after it warmed up, he still enjoyed chewing on the soft stuffed part and the tentacles. The product card says not to use it as a chew toy, so supervision is a must, but it held up just fine so far.
Overall, this has been a big help during the teething phase — short-lived when frozen, but very effective while it lasts! And worth every penny to save my fingers from being a chew toy.
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Reviewed in the United States on October 7, 2025
★★★★★ 5
Durable, lightweight, dogs love em
Color: Purple
The most durable, perfect weight,all 3 dogs have the best time chewing them. Easy to unpack and carry around. All 3 dogs enjoy, this is my 2nd time purchasing in a year, they last about 6 months per purchase time
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Perfect for the aggressive chewer
Color: Purple
I purchased these because I have a 1-year-old black lab redbone coonhound mix who destroys every toy and Bone. I have gotten him in a short amount of time... These things have outstanded this little guy and he is still enjoying them!
Keeps him occupied and satisfies his chewing for hours!
And he leaves my shoes alone haha
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Reviewed in the United States on June 10, 2026
★★★★★ 5
Best for all chewers!
Color: Purple, Color: Purple
I purchased in February and waited until ive had them long enough to make a justified review. I have a very VERY aggressive chewer. He destroys every toy he gets within minutes or a hour. We didnt expect much out of these but why not. Let me tell you... they only have small teeth dents. No cracks, no breaks, no chunks missing, none in the trash, no bleeding gums... nothing. My chewer loves them. First day he just stared at them like they were alien objects but after we played fetch a few times it was on!! Now all three dogs chewer on them. I would say im purchasing again but I dont know when that will be lol I highly recommend to anyone!! Photo is taken today 6/4/26
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Reviewed in the United States on June 4, 2026
★★★★★ 4
My pit bull loves them.
Color: Purple
I picked up the Frienhund Tough Dog Toys 3-pack for my large, heavy chewer, and overall I’m pretty impressed. Right out of the box, the toys feel solid and well-made—definitely more durable than your average chew toy. My dog usually destroys new toys within a day or two, but these have held up significantly longer, which is a big win.
They also do a great job of keeping him occupied. The shapes and textures seem to keep his interest, and I’ve noticed less destructive chewing on furniture since introducing these. That alone makes them worth it.
The only reason I’m giving 4 instead of 5 stars is that while they’re very tough, they’re not completely “indestructible” (despite the claim). After a couple of weeks of heavy use, there are some visible wear marks. Still, compared to most other toys we’ve tried, these last much longer.
Overall, a great option for medium to large dogs that are aggressive chewers—durable, engaging, and a solid value for a 3-pack.
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Reviewed in the United States on April 17, 2026
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