This is not the ice maker specified for the GTH18XCT2RBB. The originally specified icemaker for that fridge is the WR30X10109, however, it has been replaced by GE Appliance # WR30X10093. Other manufacturers make ice makers compatible with the WR30X10093 as well.
Hello Rodger - Thank you for reaching out about our excellent ice makers. This is an excellent question. The IM-4D is a kit that fits specific refrigerators. The IM-6D is more universal and fits most of our refrigerator models as it contains more fittings within the kit. Keep in touch! - JB
Hi Phil! Thanks for reaching out to us! The IM4D icemaker comes with ice bucket, fill tube, water valve, installation materials and hardware. You would not be able to only order the ice bucket. You may want to search for your complete model number to see if you are able to view a parts breakdown to see if a part number is available for an ice bucket for your unit. We hope that this helps! Stay safe. -Michael
Yes, the IM4D Ice maker will fit this refrigerator
Hi Pake - Thanks for choosing GE Model # GTS18HGNRWW and welcome to the family. Yes, this model is compatible with Optional Icemaker Kit Model # IM4D. If you have any additional questions, do not hesitate to ask, we are happy to help at GEAppliances.com. Enjoy! Sue
Hi Pake - Thanks for choosing GE Model # GTS18HGNRWW and welcome to the family! Yes, this model is compatible with Icemaker Kit # IM4D. Keep in touch at GEAppliances.com. Enjoy! Sue