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The XBVV 378 Pcs NBR Metal Bonded Sealing Washer Assortment Kit offers a comprehensive selection of durable, high-quality rubber-to-metal bonded washers in 12 sizes (M6 to M30). Designed for automotive and industrial applications, these washers provide excellent sealing performance under high pressure, heat, and abrasion. Packaged in a neatly organized, labeled storage box, this kit is a must-have for professionals and DIYers seeking reliable, long-lasting gasket solutions.

























| ASIN | B0CFL6F7YK |
| Best Sellers Rank | #12,334 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Sealing Washers |
| Brand Name | XBVV |
| Color | black |
| Customer Reviews | 4.7 4.7 out of 5 stars (270) |
| Item Diameter | 30 Millimeters |
| Manufacturer | XBVV |
| Material Type | Nitrile Rubber |
| Model | 0378 |
| Nominal Inside Diameter | M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 Millimeters |
| Nominal Outside Diameter | 30 Millimeters |
| Number of Pieces | 378 |
| Part Number | 0378 |
| Set Name | 378 Pcs NBR Metal Bonded Sealing Washer Assortment Kit |
| UPC | 656485401223 |
| Unit Count | 1.0 Count |
B**A
Good variety of sizes
Good assessment of sizes. Seems like good quality as well. More than I need but it includes what I know I need and plenty of them and should suffice for the future needs.
J**Z
They Seal Great!
Worked perfectly for those stubborn banjo bolt leaks! 100% Would purchase again.
R**M
Solved the problem
Had a reman caliper banjo bolt that would not stop dripping brake fluid. Tried numerous brass washers without fixing it but these sealing washers worked great. Would recommend.
D**N
accurate
very well manufactured
R**O
Time saver!
Great value! Lots of sizes and saves time and money, some business charge between 6 and 14 dollars for each little piece every time you go buy one! Great thing to carry on your shelf if your a mechanic. Id own both standard and metric sizes
M**3
They work
A convenient pack that actually seal oil and gas.
R**D
Nice set
Every DIY person should have this set
L**.
Most have
Just what I need seal great
M**R
Excellent assortment for my industrial needs. Not needed to often but these are hard to find in a timely manner. Small packaging holding a lot of items which can be easily stored and used. Rubber is bonded quite well to metal washers. Two thumbs up.
S**A
Muy bueno cumple con lo que dice
C**N
Arrived fast and all the sizes I required were there. Seam well made no tearing or breakage when installing
B**N
This A/C gasket kit is exactly what I needed for rebuilding and servicing compressor lines. The variety of sizes (12 total) covers most common automotive A/C systems, and the seals feel like high-quality rubber—not the flimsy kind that deforms easily. Everything comes organized in a labeled plastic case, which makes it easy to find the right size quickly. I’ve already used a few for a compressor resealable, and they seated perfectly with no leaks after recharge.
A**.
Beau kit pour le prix
Trustpilot
2 weeks ago
3 weeks ago