Sale

Air and Fuel› Oxygen Sensors, Controllers and Components

Earls

O2 SENSOR WELD BOSS STEEL

$12.89 $11.92 Save $0.97

SKU: E00A OXY018ERL

Out of Stock
Out of Stock
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Earls O2 Sensor Weld Fitting is a steel fitting with an 18mm x 1.5 thread size. Earl's has been a trusted name in automotive performance plumbing for over fifty years.
Show original supplier description

Part #: OXY018ERL

Earl's O2 Sensor Weld Fittings are the ideal way to add a sensor when converting to EFI or adding a wideband Air/Fuel gauge for tuning carbureted engines. The weld fittings are available in steel or stainless steel to match your exhaust system. The thread size is 18mm x 1.5 and fit most Factory and aftermarket O2 sensors (GM, Ford, Chrysler & most import vehicles). Features are recessed step for easy installation by drilling a hole in the exhaust system and welding the fitting in place. Sold individually

Features:

  • Fits Most O2 Sensors - GM, Ford, Chrysler & Most Import vehicles
  • Most Complete Line Offered
  • Thread Size: 18mm x 1.5
  • Wide Selection
  • Choose from Steel or Stainless Steel Material
  • Special Adapter Fittings
  • Ideal for Converting to EFI or Adding an O2 Sensor for Wide Band Air/Fuel Gauges
  • To Meet Racing Industry Needs
  • Requires Welding
  • Made In USA
  • Blue Anodized Aluminum

O2 Sensor Weld Fitting | Steel | Thread Size 18mm x 1.5

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandEarls
Part NumberE00A OXY018ERL

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy