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Amazon.com: Metric Fitting M18X1.5 M18 x 1.5 Male Thread Allen Socket Flange Plug Black Steel (2 Units) : Automotive
Amazon.com: Vibrant Performance 16665 M18 x 1.5 Metric Aluminum Port Plug with Crush Washer, 1 Pack : Automotive
Metaland M18 x 1.5 Stainless Steel Plug with Inner Hex Head Universal Fit (Pack of 2): Amazon.com: Industrial & Scientific
JoyTube M18 x 1.5 with Inner Hex Head Universal Fit with Brass Oring for Motorbike and Other Transportation, 304 Stainless Steel, Pack of 2 : Automotive - Amazon.com
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Amazon.com: Nuke Performance Aluminum Weld-On Nut M18 x 1.5 : Industrial & Scientific
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Amazon.com: O2 Oxygen Sensor Fitting Plugs or Weld Bungs (10 pack Steel Bungs, M18 x 1.5) (10 pack Steel Plugs, M18 X 1.5) : Automotive
Amazon.com: JoyTube M18 x 1.5 with Inner Hex Head Universal Fit with Brass Oring for Motorbike and Other Transportation, 304 Stainless Steel, Pack of 2 : Automotive
