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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
Maxiforce Seal, Valve Stem B Series X4 for Cummins 3921640Replaces Cummins OEM number 3921640 Case Backhoe Loaders 580K, 580L, 580L SERIES 2, 580SE, 580SK, 580SL, 580SL SERIES 2 Case Skid Steer Loaders 1845C, 95XT Case Wheel Loaders 621, 621B, 621C Komatsu Excavators PC210 6D, PC210 6K, PC210 7 CA, PC210 7 CG, PC210 7K Komatsu Wheel Loaders WA200 3, WA200 5, WA200 5 SS, WA200L 5, WA200PT 5, WA200PTL 5, WA250 3, WA250 3L, WA250 5, WA250L 3, WA250L 5, WA250PT 3, WA250PT 3L, WA250PT 3MC, WA250PT 5, WA250PTL 5,
Replaces Cummins OEM number 3921640
Case Backhoe Loaders 580K, 580L, 580L SERIES 2, 580SE, 580SK, 580SL, 580SL SERIES 2
Case Skid Steer Loaders 1845C, 95XT
Case Wheel Loaders 621, 621B, 621C
Komatsu Excavators PC210-6D, PC210-6K, PC210-7-CA, PC210-7-CG, PC210-7K
Komatsu Wheel Loaders WA200-3, WA200-5, WA200-5 SS, WA200L-5, WA200PT-5, WA200PTL-5, WA250-3, WA250-3L, WA250-5, WA250L-3, WA250L-5, WA250PT-3, WA250PT-3L, WA250PT-3MC, WA250PT-5, WA250PTL-5, WA250PZ-5, WA320-3, WA320-3CS, WA320-5, WA320-5L and more
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 21 reviews
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Product Reviews
★★★★★ 5
An effective organizing solution for missions involving movable equipment
Size: Medium 16in x 1in
Following the compromised operation in Prague, I was tasked with organizing equipment for the embassy annex in Vienna. The VELCRO Brand Magnetic Straps provided an essential solution for securing various tools and equipment to metal surfaces, facilitating quick access during critical moments. The durability of the strap, combined with an impressively strong magnet, ensured that our gear remained in place despite variable operational conditions.
However, the loop formed by the strap could be larger; it limited our options for certain garden hoses, which became a notable drawback. Overall, the robust quality of the straps enhances logistical efficiency in high-pressure scenarios. Katarina's earlier input on this product proved beneficial, although I detected apprehension in her demeanor while discussing its application.
Recommendation: An effective organizing solution for missions involving movable equipment, with minor adjustments needed for cord size.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Sturdy and Reliable
Size: Medium 16in x 1in
Very sturdy and holds up well with regular use. It feels solid and well-made, not flimsy or like it’s going to wear out quickly. Definitely something you can rely on without worrying about it falling apart.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Very strong magnet
Size: Large 24in x 1.25in
Great product,, very secure and the long strap allows you to hang a variety of items.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Buy This!
Size: Medium 16in x 1in
Super heavy duty! Not only does the magnet hold a ton, the strap is totally adjustable to hold wide items. Currently it's holding an 8 ish lb rope on the side of my garage fridge with zero issue! Easy to use and works great!
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Reviewed in the United States on December 18, 2025
★★★★★ 4
"Keep On Holding On" assist.
Size: Medium 16in x 1in
Magnet is powerful indeed . The velcro strap is quite long and I have not figured out how to shorten it without cutting it. Great for hoses, ropes, and pull alongs.
Temporary use as hold down in a truck bed for lite items.
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Reviewed in the United States on November 9, 2025