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Description
Valve Guide 3925863 for Cummins 4B3.9/6B5.9/6C8.3/QSB6.7/QSL9 Engines, Hyundai ExcavatorReplacement part number: 3925863 Fit For Cummins Engine: 4B3. 9, 6B5. 9, 6C8. 3, C GAS PLUS CM556, G8. 3, G8. 3 CM558, GTA8. 3 CM558, ISBE4 CM850, ISC CM2150, ISC CM554, ISC8. 3 CM2250, ISC8. 3 G CM2180 C101, ISL CM850, ISL G CM2180, ISL9 CM2250, ISL9 CM2350 L101, L GAS PLUS CM556, L8. 9G CMOH2. 0 L125B, L9. 3 L105, L9N CM2380 L124B, L9N CM2380 L130B, L9N CM2380 L142B, QSB6. 7 CM850(CM2850), QSC8. 3 CM850(CM2850), QSJ8. 9 G, QSL9 G CM558 Application:
Replacement part number:
3925863Fit For Cummins Engine:
4B3.9, 6B5.9, 6C8.3, C GAS PLUS CM556, G8.3, G8.3 CM558, GTA8.3 CM558, ISBE4 CM850, ISC CM2150, ISC CM554, ISC8.3 CM2250, ISC8.3 G CM2180 C101, ISL CM850, ISL G CM2180, ISL9 CM2250, ISL9 CM2350 L101, L GAS PLUS CM556, L8.9G CMOH2.0 L125B, L9.3 L105, L9N CM2380 L124B, L9N CM2380 L130B, L9N CM2380 L142B, QSB6.7 CM850(CM2850), QSC8.3 CM850(CM2850), QSJ8.9 G, QSL9 G CM558
Application:
Fit For Hyundai Excavator: R290LC-3, R290LC-7, R300LC-9S, R305LC-7, R320LC-3, R320LC-7, R330LC-9S
Fit For Hyundai Loader: HL760, HL760-9S, HL760-3, HL760-3ATM
Fit For Hyundai Forestry Machine: 42HDLL, 39HDRB
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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4.0 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Excellent athletic socks
Size: Large, Color: (100) White / White / Black
Solid athletic socks at a great price. Not too thick, not too thin. Second time I've purchased them. They last longer than most socks I've used in the past too.
Only concern is the sizing. I may be reading the sizing chart wrong, but for my size 13 feet it says XL are the correct sock size. I've ordered Large twice and they're perfect. I would imagine the size Large socks would also fit up to size 14 shoe, but probably need to go with XL if foot is lager than 14.
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Reviewed in the United States on April 12, 2026
★★★★★ 4
Great product
Size: Large, Color: (035) Steel / White / Black
Comfortable fit perfect
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Quality No Show Socks That Are Comfortable and Durable
Size: Large, Color: (100) White / White / Black
These Under Armour no show socks are great for everyday training and casual wear. The cotton blend feels comfortable and they stay in place throughout the day. Getting six pairs in a pack is solid value for a quality brand. They hold up well after multiple washes and the no show style works great with most athletic shoes. A reliable go-to sock.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Comfortable
Size: Large, Color: (001) Black / Black / White
I recently picked up a pair of Under Armour socks, and they’ve quickly become my go-to choice for daily wear and workouts. From the first wear, the fit felt snug and supportive without being too tight. The fabric is lightweight yet durable, and it does a great job wicking sweat — keeping my feet dry even during longer runs or intense gym sessions.
One of the things I appreciate most is the arch support and cushioning in the right places. It adds just enough padding where I need it, especially under the ball and heel of the foot, which makes a noticeable difference on days when I’m on my feet a lot. The socks also have a nice breathable mesh pattern that improves airflow.
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Great socks
My fav socks. I am a size 9 women’s and they fit perfect. They are soft and comfortable
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Reviewed in the United States on April 16, 2026