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Description
Heavy-Duty Gear Case Cover 3958112 for Cummins 6C8.3, B3.3, B4.5, B6.7, Hyundai ExcavatorReplacement part number: 3958112 Fit For Cummins Engine: 6C8. 3, B3. 3, B4. 5, B6. 7 CM2350 B121B, C GAS PLUS CM556, ISB6. 7 CM2250, ISBE4 CM850, ISC CM2150, ISC CM850, ISC8. 3 CM225, ISC8. 3 G CM2180 C101, ISF2. 8 CM2220 F122, ISF3. 8 CM2220, ISL CM2150, 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
Replacement part number:
3958112Fit For Cummins Engine:
6C8.3, B3.3, B4.5, B6.7 CM2350 B121B, C GAS PLUS CM556, ISB6.7 CM2250, ISBE4 CM850, ISC CM2150, ISC CM850, ISC8.3 CM225, ISC8.3 G CM2180 C101, ISF2.8 CM2220 F122, ISF3.8 CM2220, ISL CM2150, 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 CM2880 L146G, 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 CM2670 L128B, L9 CM2670 L132B, L9 CM2670 L134C, L9 CM2670 L135C, L9 CM2670 L136C, L9 CM2670 L137C, L9N CM2380 L124B, L9N CM2380 L130B, L9N CM2380 L142B, NH 855, NT 855, QSB3.3 CM2150, QSB6.7 CM850, QSB6.7 CM2850, QSC8.3 CM2880 C102, QSC8.3 CM850, QSC8.3 CM2850, QSC9 CM2250, QSL9 CM2250, QSL8.9 CM2150 L141, QSL9 CM2250 L115, QSL9 CM2350 L102, QSL9 CM2350 L118, QSL9 CM850, QSL9 CM2850, QSL9 QSL9.3 CM2880 L113
Application:
Fit For Hyundai Excavator: R320LC-7A, R320LC-9
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
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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 22 reviews
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Product Reviews
★★★★★ 2
Disappointed
It arrived on time and as advertised. I actually ordered 2 of the Playology toys and my boy did not like either. Total waste of $40 for the 2 toys. The toys are did not smell(to me at least) like the scent they advertised and my boy is sooooo food motivated and such a chewer that I was sure he would love these. Hasn’t touched them since the day I gave them to him. Very disappointed.
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Reviewed in the United States on July 1, 2025
★★★★★ 2
Not Rottweiler proof
Lasted about an hour.
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Excellent dog chew
Size: Small (Pack of 1)
Our dog loves this and uses it everyday. Still going strong 3 months later.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
My 2 German shepherds love these good quality last a good bit
Size: Large (Pack of 1)
I buy these for my 2 German shepherds. My male is a heavy chewer and he will spend time with this everyday until he starts to wear it down or makes it into a makeshift shank and I replace it
Last about 3-4 months for aggressive chewers. Highly recommend (keeps them from chewing my stuff)
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Reviewed in the United States on May 1, 2026
★★★★★ 5
The best bone you can get for pitbulls!
Size: Large (Pack of 1)
Can I give these more than five stars? Please?? They truly deserve more than that! I have bought these bones for the last 2 years for my pitbull mix, who is a very aggressive chewer. Her favorite thing to do is just lay and chew. These bones last FOREVER! She can lay there and chew all day long and they will last her MONTHS! It’s honestly amazing! These are the best bones we’ve ever given her and they are the only ones we’ll buy her! Not only do they last forever, they’re safe and natural too! Best product ever!
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Reviewed in the United States on January 10, 2026