M18 x 1.5 thread pitch. - Increases the distance between the O2 sensor and exhaust system. 2PCS M18x1.5 Adapter.
eBay
4PCS O2 Oxygen Sensor Test Pipe Extender Spacer Adapter Steel and Chromed M18x1.5 Cel Fix Check
Aliexpress UK
Size: standard M18 X 1.5 thread (both bung and plug). - O2 oxygen sensor bung was made of 304 stainless steel. - The oxygen sensor nut bung cap was made of plated mild steel with zinc plating. 1 x O2 Oxygen Sensor Nut Bung.
eBay
Universal 90Degree 135Degree 180degree Mini Catalytic O2 Oxygen Sensor Spacer Adapter Engine Light
Aliexpress UK
O2 Oxygen Spacer Sensor Angled Extender 90 Degree M18x 1.5mm Zinc Hole For Car. They are very easy to install by unscrewing your O2 Sensor from your exhaust then screw your sensor into the extender,and then screw the two pieces.
eBay
036906262G Front Lambda Probe O2 Oxygen Sensor for Audi A2 VW BORA Golf Seat Skoda Fabia LZA11-V1
Aliexpress UK
O2 Oxygen Spacer Sensor Angled Extender 90 Degree M18x 1.5mm Zinc Hole For Car. They are very easy to install by unscrewing your O2 Sensor from your exhaust then screw your sensor into the extender,and then screw the two pieces.
eBay
036906262F Rear O2 Oxygen Sensor fit For V W BORA FOX GOLF PASSAT POLO SKODA FABIA ROOMSTER SUPERB
Aliexpress UK
O2 Oxygen Spacer Sensor Angled Extender 90 Degree M18x 1.5mm Zinc Hole For Car. They are very easy to install by unscrewing your O2 Sensor from your exhaust then screw your sensor into the extender,and then screw the two pieces.
eBay
28488580 25322728 4-Wires M12 Lambda O2 Oxygen Sensor OSM Fits for Harley Davidson bx100
Aliexpress UK
O2 Oxygen Sensor Bung+Plug Kit. 1x Oxygen Sensor Nut Bung Stepped. -Easy to weld on. -Designed to adding a O2 sensor in any place you need. 1x Oxygen Sensor Plugs. -Universal fit for STANDARD OXYGEN SENSORS with M18 X 1.5 Thread.
eBay
OEM 17014 0258007351 LSU4.2 WideBand O2 Sensor AFR For 1999-2005 VW Jetta Audi A3 A4 A8 1.8L-L4
Aliexpress UK
Size: standard M18 X 1.5 thread (both bung and plug). O2 Oxygen Sensor Bung+Plug Kit. 2 x O2 Oxygen Sensor Bung. Easy to weld on. 2 x O2 Oxygen Sensor Plug. Designed to adding a O2 sensor in any place you need.
eBay
A0035427018 New Lambda Probe Oxygen O2 Sensor Fit For MERCEDES-BENZ SPRINTER 3-t 4-t 5-t 6-t VIANO
Aliexpress UK
M18 x 1.5 Exhaust Lambda Boss Nut Weld on in 304 Stainless O2 Oxygen Sensor Bung. -Universal fit for STANDARD OXYGEN SENSORS with M18 X 1.5 Thread. -O2 Oxygen Sensor Bung+Plug Kit. 1x Oxygen Sensor Nut Bung Stepped.
eBay
OE# 0258006295 7700107433 0258006046 O2 oxygen Lambda Sensor For RENAULT Clio Laguna Megane Scenic
Aliexpress UK