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This weldable replacement fitting is for use with gasket style 18mm x 1.50 Diesel NOx sensors used by many OE manufacturers. No longer will you need to replace an entire component if one of these sensors strips out. Simply grind off the old one with an abrasive cut-off wheel, and weld one of these in place of it, then install your new sensor (sold separately at your local dealership).

For superior weldability, our fittings are precision CNC machined in house of grade 304 Stainless at our Prior Lake, Minnesota facility. Each one is individually test fitted with an actual sensor before packaging.

Avoid imitations

Note: If you need a 20mm shrouded NOx fitting see our other listings.

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We ship orders next business day at the latest, and accept Paypal. Remember to select the shipping option you want during checkout. The default shipping speed is USPS First Class Mail, but we do offer other shipping options if you need it faster.

Note to international buyers: International mail usually takes several days longer than estimated due to having to clear customs, We recommend you choose Priority Mail or Priority Mail Express if you currently have a vehicle in need of one of these.