5/8"-18 Top Lock Nut ASME B18.16.6 - Stainless Steel 316

Marsoni

M251S

$26.93

Get it in 3 business days with 1 day shipping. Friday, May 29

5/8"-18 Top Lock Nut ASME B18.16.6 - Stainless Steel 316Product Details : 5 8" 18 Top Lock Nut ASME B18. 16. 6 Stainless Steel 316 Product Type: Top Lock Nut (Prevailing Torque Lock Nut) Bolt Diameter Size: 5 8" Thread Count (Pitch TPI): 18 Thickness: 35 64 in Thread Type: Fine Imperial Thread Direction: Right Hand Thread Tool to use: 15 16" Material(s): Stainless Steel Steel Grade: 316 Standards and Certifications: ASME B18. 16. 6 For any information about products, please contact us. *Photos for

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This engine air filter was a perfect fit for our 2021 Honda Odyssey Elite. Installation was quick and easy, popped right into place with no issues at all. The build quality looks great, and it feels just as solid as the factory filter it replaced. It’s always nice to find a reliable replacement part that fits exactly as it should. We drive a lot of gravel as well and this has held up well to those elements. Great value compared to dealership pricing. Will definitely purchase again when it’s time for the next replacement.

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Reviewed in the United States on February 19, 2026

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StandUpToTyranny

Grantham, US

★★★★★ 5

Great quality and cost effective!

Color: CA12061

My mechanic says this is a great filter. They installed free (30 seconds) whereas Honda wanted $150 plus labor is it to install theirs. 🙄

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Reviewed in the United States on January 29, 2026

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