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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
King Engine Bearings BMW N55 B30A/ N53 B30A/ N52 B30A Main Bearing Set - Size STDXKing Engine Bearings presents the BMW N55 B30A, N53 B30A, and N52 B30A main bearing set in size STDX, crafted to deliver exceptional durability and performance under demanding engine conditions. These main bearings are designed to provide superior wear resistance and optimized fitment to help maintain engine reliability and performance. Manufactured to meet high quality standards, this set ensures smooth operation and longevity for your BMW's engine
King Engine Bearings presents the BMW N55 B30A, N53 B30A, and N52 B30A main bearing set in size STDX, crafted to deliver exceptional durability and performance under demanding engine conditions. These main bearings are designed to provide superior wear resistance and optimized fitment to help maintain engine reliability and performance. Manufactured to meet high-quality standards, this set ensures smooth operation and longevity for your BMW's engine components.Ideal for engine rebuilds or upgrades, this main bearing set is essential for enthusiasts and professionals aiming to uphold the integrity and efficiency of their BMW powertrains. The STDX size provides a standard fit that aligns precisely with stock bushing dimensions, offering reliable service life and excellent engineering compatibility. Trust King Engine Bearings for dependable parts that keep your high-performance engine running strong.
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
4.2 ★★★★★
Based on 306 reviews
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Product Reviews
★★★★★ 4
8/10 Front Pocket Wallet
Color: Black (Front Pocket)
It's a pleasing solution for me. The slim, pocketed design fits well in my front pocket. It probably fits other pockets well too.
It's not perfect. But, it's solving for an imperfect solution that Apple is takling with their phones. Tap to pay with phones and digital ID will change the market for wallets.
The physical size of cards limits how readily you can access any one card. It takes a bit of extra dexterity to pinch or slide some of the cards out. Ideally you'd have 4 on the outside, with remaining cards tucked in the center pocket. I just need more than 1/4 inch of card face to slide one out readily.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Very nice wallet.
Color: Carhartt Brown (Trifold)
Very nice.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
Size
Color: Black (Bifold)
It’s not a thick wallet, which is what my husband likes. Makes sitting or driving for long periods with it in his back pocket better. Has everything larger wallets have. Will purchase it again.
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Rugged wallet built to last (even if wallets themselves are becoming obsolete)
Color: Black (Trifold), Color: Black (Trifold)
This is a really well-made wallet. If you’re familiar with Carhartt products, the construction here is exactly what you’d expect: tough, practical, and clearly designed to take some abuse.
The material is "700D nylon duck fabric", which feels thick and durable—more like a piece of work gear than a fashion accessory. In the photos you can see the tight stitching, heavy canvas-like texture, and reinforced seams, all of which suggest it should last for years. It feels like the kind of wallet that could live in a back pocket, get sat on, tossed around, and still keep going.
Inside, the layout is simple and functional. The see-through mesh ID window is one of my favorite touches—it makes it easy to show an ID without removing it. The card slots are snug and the trifold layout keeps everything organized. There’s also a small zippered pocket, which you can see in the photos along the side. It’s not huge, but it can hold a few coins or maybe a couple of small keys.
The wallet also includes RFID blocking, which is nice if you’re concerned about wireless card scanning. On the flip side, that also means you can’t just tap the wallet against a reader for contactless payments. You’ll need to take the card out first.
Carhartt also advertises water resistance, which makes sense given the nylon construction. Realistically, most of us aren’t dunking our wallets in water, but it’s nice to know it could handle rain or the random spill (though come-on! How often does that happen with a wallet??)
One interesting thing: wallets themselves are starting to feel a little outdated. I rarely carry one anymore, and most of my family uses phone wallets or digital payments. But if you’re someone who still likes having a physical wallet for cards, ID, and some cash, this is a solid one.
It’s a simple, rugged, no-nonsense wallet that should last a long time - very much in line with the Carhartt reputation. If you’re still in the wallet camp, this is a dependable choice. Plus it makes a nice gift.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Sturdy, well-made wallet
Color: Black (Trifold)
Sturdy, well-made wallet, soft to the touch. nice looking. seems comfortable enough in the back pocket. good size. made from quality materials.
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Reviewed in the United States on May 1, 2026
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