🔧 AMAAM M18x1.5 Oxygen Sensor Stepped Weld Bungs Set (5 Bungs + 5 Plugs) Review

used step drill worked great. Then I cleaned the exhaust around the hole. Put the spark plug in the around the spark plug slightly wetted with slime, after welding put a wet rag on the exhaust pipe to 1/4 of the circumference (mig) and let it cool down in between. 0 default. Happy with it and have extra. Chevrolet k1500 98

Good threading, seems well made. Welded normally, there were no deformations after welding. The O2 sensor fits well. It's good to have a 10mm head in case you really need to put some torque on it to get it off. The price also seems good. I think in some cases you might need a copper washer so keep that in mind.

All the threads in my kit were good. They're thin and low - which is what I wanted - so you need to know what you're doing when welding them. Weld them with a plug coated with an anti-seize coating and weld slowly. They won't spoil if you're careful. Do not weld with the sensor in the connector.

Ideal for installing a weld plug on oil pans. This is a great value, quality product that drains quicker than regular 1/4" plugs used for this purpose. Used on a GM 4T60E transmission with a very shallow sump; I was able to remove the entire plug after the Flush welding inside and the plug was flush inside with the addition of a copper compression washer.