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Description
8-Piece Exhaust Manifold Bolt 3904446 for Cummins & Volvo Excavator EnginesReplacement part number: 3904446, SA 3904446 Fit For Cummins Engine: 4B3. 9, 6B5. 9, 6C8. 3, B3. 3, B3. 9 G, B4. 0 CM2620 B154B, B4. 5, B4. 5 CM2220 B186B, B4. 5 CM2350 B129B, B4. 5 CM2350 B147B, B4. 5 CM2620 B158B, B4. 5 CM2620 B180B, B4. 5 RGT, B5. 9 G, B5. 9 GAS PLUS CM556, B5. 9 LPG PLUS CM556, B6. 7 CM2350 B121B, B6. 7 CM2350 B135B, B6. 7 CM2350 B136C, B6. 7 CM2350 B157C, B6. 7 CM2450 B177C, B6. 7 CM2670 B153B, B6. 7 CM2670 B167B, B6. 7 G CMOH6.
Replacement part number:
3904446, SA 3904446Fit For Cummins Engine: 4B3.9, 6B5.9, 6C8.3, B3.3, B3.9 G, B4.0 CM2620 B154B, B4.5, B4.5 CM2220 B186B, B4.5 CM2350 B129B, B4.5 CM2350 B147B, B4.5 CM2620 B158B, B4.5 CM2620 B180B, B4.5 RGT, B5.9 G, B5.9 GAS PLUS CM556, B5.9 LPG PLUS CM556, B6.7 CM2350 B121B, B6.7 CM2350 B135B, B6.7 CM2350 B136C, B6.7 CM2350 B157C, B6.7 CM2450 B177C, B6.7 CM2670 B153B, B6.7 CM2670 B167B, B6.7 G CMOH6.0 B125, B6.7O CM3580 B193B, C GAS PLUS CM556, D4.0 CM2620 D103B, D4.5 CM2620 D104B, D6.7 CM2670 D102B, F3.8 CM2350 F120B, F3.8 CM2350 F128C, F3.8 CM2350 F132B, F3.8 CM2350 F133C, F3.8 CM2620 F137B, F3.8 CM2620 F149B, F4.5 CM2620 F139B, F4.5 CM2620 F141C, G5.9, G5.9 CM558, ISB (Chrysler), ISB CM2150, ISB CM2150 E, ISB CM550, ISB CM850, ISB/ISD4.5 CM2150 B119, ISB/ISD4.5 CM2150 SN, ISB/ISD6.7 CM2150 B120, ISB/ISD6.7 CM2150 SN, ISB/ISD6.7 CM2880 B126, ISB4.5 CM2150, ISB4.5 CM2350 B104, ISB5.9G CM2180, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 CM2350 B103, ISBE CM2150, ISBE CM800, ISBE4 CM850, ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250, ISF2.8 CM2220 F122, ISF3.8 CM2220, ISF3.8 CM2220 AN, ISF3.8 CM2220 F103, ISF3.8 CM2220 F110, ISF3.8 CM2220 F116, ISF3.8 CM2220 IAN, ISF3.8 CM2350 F109, 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, ISM CM570, ISM CM570/870, ISX CM570, ISX CM870, ISX CM871, ISX CM871 E, ISX12 CM2350 X102, ISX12 G CM2180 EJ, ISX12/ISX11.9 CM2250, ISX12N CM2380 X120B, ISX15 CM2250, ISX15 CM2250 SN, ISX15 CM2350 X101, ISZ13 CM2150 SN, ISZ13 CM2150 Z105, ISZ13 CM2150 Z106B
Application:
Fit for following models:
Hyundai Forklift: 180D-7E
Hyundai Wheel Loader: HL740-3, HL770-7A, HL770-9
Hyundai Excavator: R250LC-7, R320LC-7A, R320LC-9, R360LC-7A, R360LC-9, R800LC-7A
Komatsu Off-Road Truck: AFE48-CQ, AFE48-CU, AFE48-CX, AFE48-DB/DC, AFE48-DF
Volvo Excavator: EC210, EW170, EW180
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]
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4.8 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Comfortable
Color: Black,navy,burgundy,brown, Size: Medium
I have had a lifetime of different briefs, some name brand, some generic.
I am 165 lbs, wear Medium, and these are closest to feeling commando of anything I’ve ever worn.
Comfortable, not too tight waist and legs, and yes silky touch yet not slinky.
Maybe not for support wear, but casual and cool comfort, the “Cat’s meow”.
I just came on to order some more
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Reviewed in the United States on April 30, 2026
★★★★★ 3
Great fabric - pouch too small!
Color: Black, Size: X-Large
First, the fabric used is wonderfully soft and comfortable. It;s the first thing noticed when package was opened. Strange, but the elastic waistband is about 1/2", very similar to a woman's style panty. But it's comfortable and easily acceptable.
The main problem is that the pouch that holds your "stuff" in place, is oddly and unnaturally small. Small enough where this average man's "stuff" tends to fall out of the pouch on one side or the other. I sleep in my underwear, and every time I did with these, I awoke with the front pouch off to the side and everything down there was hanging outside of the underwear.
They also seem to do well through a wash cycle. However, if the main reason for wearing underwear is to keep your stuff in place, these fail from the beginning.
I ordered another brand from overseas, and they had the exact same problems as these! I wonder if that's just how they make them outside of the USA.
The Bottom Line?
Uncle Steve Disapproved!
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Reviewed in the United States on October 30, 2025
★★★★★ 5
Premium cotton underwear at a modest price. Highly recommend!
Color: Multicolora6-4 Pack, Size: X-Large
Bought my husband 2 variety packs of these, and they are still great over 2 years in. High quality cotton briefs are breathable, colors are vibrant, and the fit is spot on. A good value at this price point compared to designer brands, and the product overall exceeds expectations in terms of comfort level, durability and appearance.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Comfort, Support, and Quality – The Perfect Boxer Briefs
Color: White, Size: X-Large
These men’s boxer briefs are everything I look for in everyday underwear. The fit is excellent — snug where it needs to be without feeling restrictive, and the fabric has just the right amount of stretch for all-day comfort.
The material is soft, breathable, and holds up great after multiple washes. No fading, no sagging, and most importantly — no riding up. The waistband is strong yet comfortable, staying in place without digging into the skin.
What really stands out is how well they balance support and freedom of movement. Whether I’m working out, at the office, or just relaxing at home, these boxer briefs stay comfortable and keep everything in place.
Great value for the price and a dependable choice for everyday wear. I’ll definitely be buying more. Highly recommend!
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Reviewed in the United States on August 22, 2025
★★★★★ 5
Nice underwear to lounge around the House
Color: Multicolora8-4 Pack, Size: X-Large
Nice fit. They hug your thigh and the material is silky soft.
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Reviewed in the United States on May 31, 2026
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