This is a brand new Original Manufacturer Equipment (OEM) Goodman/Amana flow check piston kit, part# B1789865. This part is used in, but not limited to the following models: GSX140301A*, SSX140301B*, ASX140301(B, C)*, WAC4430AB*, WGAC4430AB*, AWUF31, AWUF32, GSC130301E*, GSZ140301A*, ASZ140301A*, WHP4430AA*, WGHP4430AA*, ARUF30B14, SSZ140301A*, CKQ30-1, CLJ30-1, CPKJ24-1, CPLJ24-1, CKL30-1, GSX130362(5), GSZ130301, SSX140301, VSX130361, VSZ130301, ASX140301, GPG/APG10300701, ASC/ASH130301, GSC/GSH130301, GSX140301 Replaces the following part #'s: B1789865, 20272611