Oatey GIDDS-173390 43539 Replacement Flange Forcast Iron, 4 Inch, PVC

Had a 4 cast iron drain pipe with a mostly rusted flange. Watched my son-in-law drill and chisel it out and then we replaced it with this part. Tightened it up after securing it to subflooring and reattached the toilet. The toilet hasnt felt this stable in many years. Perfect replacement!

It’s the best thing for any job!! It’s valuable! Smart invention!

This is a common item anyone can purchase at a local plumbing supply. Fits right into your 4 inch pipe and tightens with 3 bolts. The hardest part is to break the original cast iron flange to set this one flat on the floor inside the existent pipe. If you just set this one on top of your cast iron flange, it would raise your toilet another half inch off the floor and not a good idea.

Worked like a charm

Worked great for the application I was using... Had an old busted cast iron stub surrounded by crumbled concrete, removed old flange which was not the correct one and inserted cup to hold shape while I let new concrete set up (about an hour) then removed cup and inserted Oatey Cast Iron Flange Replacement,... Secured and let concrete finish setting up for a full 7 days before we set toilet due to moister etc.. Now everything has sealed up better than ever! Would defiantly recommend this!

Worked great for my old cast iron pipe. Very tough material and was impressed with this item. Would definitely recommend.

When I removed toilet and saw cast iron flange rusted away all I could see was dollar signs for repairing pipes. Saw this item. Went in pipe no problem. Tightened screws and it was done. Being PVC it should last my lifetime. This was a lifesaver.

Fabulous solution to a real dilemma associated with the process of old house upgrades. And its well designed, easy to install and less than half the cost of H Depot.

This product is an absolute godsend. Works exactly as described. Saved me hundred of dollars, avoiding the necessity to call in a plumber. Thank you!

I installed this and screwed the flange down too for extra support. Time will tell, my old one lasted 5 years although it was only support by the 3 I.D. bolt adjusting screws.