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I've always been a big fan of Magnetic Drain Plugs for your engine. If you can catch those abrasive ferrous particles and hold them until your oil change, it will prevent them from circulating in the oil and causing micro-scratches and damage on the internal surfaces. During your Oil Change you just wipe it off and your ready for the next 7500 miles. Most differentials' and transmissions' drain plugs are magnetized to catch these particles, yet OEMs never include one in the oil pan.
I found two manufacturers that made them for our trucks. With shipping, one was $10 and the other was $41.60.
Magnetic Drain Plug - Thread Size M12 x 1.75 w/ Dog Point
Magnetic Drain Plugs for GM, Chevy, and Buick Automobiles (Size is M12x1.75x21 Magnetic Drain Plug for GM)
Review:
The powerslutracing.com plug is crudely made, yet appears to be effective. It threaded into the oil pan OK and seemed to fit fine, however I did not fill the sump with oil to see how well it sealed. I don't think there would be any issues with it.
The dimple plug is a quality piece. The magnet is stronger, I would guess ~1.5x more magnetic the the PSR plug. It has a lower profile and has a flatter surface to catch the particles. The blue coating was nice and also appeared to be a high quality finish. It threaded into the sump as expected and held oil without any leaks. Overall superior to the PSR plug, and it should, as it goes for 4x as much....
Final thoughts: The dimple plug is expensive, but it appears to be a lifetime unit. I bought both as I wanted to sample both, and now you guys can make an educated purchase. I will keep the PSR plug as a back up, just in case...



I found two manufacturers that made them for our trucks. With shipping, one was $10 and the other was $41.60.
Magnetic Drain Plug - Thread Size M12 x 1.75 w/ Dog Point
Magnetic Drain Plugs for GM, Chevy, and Buick Automobiles (Size is M12x1.75x21 Magnetic Drain Plug for GM)
Review:
The powerslutracing.com plug is crudely made, yet appears to be effective. It threaded into the oil pan OK and seemed to fit fine, however I did not fill the sump with oil to see how well it sealed. I don't think there would be any issues with it.
The dimple plug is a quality piece. The magnet is stronger, I would guess ~1.5x more magnetic the the PSR plug. It has a lower profile and has a flatter surface to catch the particles. The blue coating was nice and also appeared to be a high quality finish. It threaded into the sump as expected and held oil without any leaks. Overall superior to the PSR plug, and it should, as it goes for 4x as much....
Final thoughts: The dimple plug is expensive, but it appears to be a lifetime unit. I bought both as I wanted to sample both, and now you guys can make an educated purchase. I will keep the PSR plug as a back up, just in case...


