Defrost Thermostat for Whirlpool, Sears, PS11740448, AP6007334, WP2321800

❄️ Defrost Thermostat | OEM‑Compatible | Replaces Whirlpool® & Sears® WP2321800

Brand New – Replacement Defrost Thermostat for Whirlpool® & Sears® Refrigerators

Restore proper defrost cycle operation with this high‑quality OEM‑style defrost thermostat, designed to replace Whirlpool® part WP2321800. This thermostat protects the evaporator from overheating during defrost mode and helps maintain consistent cooling performance. Ideal for fixing frost buildup, poor cooling, or noisy evaporator fan issues.

⚙️ Product Specifications

• Quantity: 1 Defrost Thermostat
• Function: Opens/closes circuit based on evaporator temperature
• Type: Clip‑on style with factory wiring harness
• Fitment: OEM‑matched for select Whirlpool®, Sears®, Kenmore®, and affiliated brands
• OEM Reference #: WP2321800
• Alternate Part #s: WP2321800, AP6007334, 2314158, 2319915, PS11740448
• Condition: Brand New – Unused

Replaces Part Numbers

WP2321800, AP6007334, 2314158, 2319915, PS11740448

Fits Refrigerator Models

RT18AKXKQ09 ET1CHEXSB01 RT18AKXKQ70 ET8CHEXSQ02 ET1CHMXKQ06 GR2FHTXTB00 ER2MHKXPL02 ET1CHEXSQ01 ET1MHKXMT06 ET1PHKXPQ06 ET8WTMXKQ08 GT2SHMXMS04 ET1CHMXKB09 ET8MHKXMQ04 ET8WTKXKT09 GR2FHMXPS02 GR2FHTXTQ00 RT21LMXKQ09 ET1FHTXMQ04 ET1FTKXKQ06 ET1MHKXMQ02 ET1MHKXMQ04 ET8WTKXKB09 ET8WTKXKQ09 GR2FHMXVY00 RT21LMXKQ05 ET1FHTXMQ03 ET1FHTXMT04 ET1FTKXKQ09 ET1MHKXMT03 ET8WTEXMQ03 GR2SHWXPB02 GR9FHMXPS01 ET1CHMXKB05 ET1MHKXMQ03 ET1PHKXPQ04 ET8CHMXKB06 GR2FHTXTL00 RT21LMXKQ06 ER2CHMXPL04 ET1CHMXKQ05 ET1FHTXMB04 ET1MHKXMQ06 ET8CHEXSB02 GR2FHMXVQ00 GR2SHWXPB01 GR2SHWXPS02 GR9FHMXPQ01 GT1SHTXMB04 GT1SHTXMQ04 ER2MHKXPL06 ET1FHTXMT03 ET1FTEXSQ00 ET1PHKXPQ02 ET8CHKXKQ06 ET8CHMXKQ06 ET8MHKXMT04 ET9FHTXMT03 GR2FHMXPQ03 GR2FHMXPS03 GR9FHTXTL00 KTRA22EMSS03 KTRC22EMBL05 KTRC22KMSS05 MTF2142MES00 TT21AKXKQ06 ATB1932MRB00 ER2CHMXPB04 ER2CHMXPBO4 ER2CHMXPL02 ER2CHMXPL03 ER2CHMXPQ04 ET1CHMXKB06 ET1CHMXKQ09 ET1CHMXKT06 ET1FTEXST00 ET1LFKXKT06 ET1MHKXMB04 ET1PHKXPQ03 ET1PHKXPT05 ET1WTKXKT05 ET8CHEXVQ00 ET8CHMXKB07 ET8CHMXKQ07 ET8CHMXKT06 ET8FTEXSQ01 ET8MHKXMB04 ET8WTMXKT08 GR2SHWXPQ02 GR2SHWXPS01 GT1SHTXMT04 GT1SHWXPS01 GT2SHKXMS03 GT2SHMXMS03 IT21AMXRQ01 KTRC22KMBL04 MTF2142MEW00 TT18WKXRQ01 TT21AKXKQ05 ATB2232MRW00 CT21GKXRQ00 ER2CHMXPB03 ER2MHKXPB06 ER2MHKXPL03 ER2MHKXPL04 ET1CHEXSQ00 ET1FHTXMB03 ET1FTEXMT03 ET1LFKXKS06 ET1LFKXKS07 ET1LFKXKS08 ET1LFKXKT07 ET1MHEXRQ02 ET1MHKXMB02 ET1MHKXMB06 ET1MHKXMT02 ET1MHKXMT05 ET1PHKXPT06 ET8CHEXST02 ET8CHEXVB00 ET8CHKXKB06 ET8CHKXKT06 ET8CHKXKT07 ET8FTEXRQ01 ET8LFKXKQ07 ET9FHTXMQ03 GARF19XXPK01 GR2FHMXPQ02 GR2FHMXVB00 GR2SHWXPL01 GR2SHWXPL02 GR2SHWXPQ01 GR9FHTXTQ00 GT1SHTXMQ03 GT1SHWXPQ01 GT2SHKXMS04 IT21AMXRQ03 KTRA22EMSS04 KTRC19KMSS03 KTRC22EMWH05 RT21AKXKQ05 RT21LMXKT05 RT21LMXKT06 106.602329 106.602329 106.602329 106.602329 106.602339 106.602339 106.602339 106.602339 106.602349 106.602349 106.602349 106.602349 106.602399 106.602399 106.602399 106.602399 106.6110211 106.6110311 106.6110411 106.6110911 106.611829 106.611829 106.611849 106.611849 106.611899 106.611899 106.6215211 106.6215311 106.6215411 106.6215911 106.631423 106.642324 106.642334 106.642344 106.642394 106.642424 106.642434 106.642444 106.642494 106.642524 106.642534 106.642544 106.642594 106.642624 106.642634 106.642644 106.642694 106.673728 106.673728 106.673738 106.673738 106.673748 106.673748 106.673798 106.673798 106.673828 106.673828 106.673838 106.673838 106.673848 106.673848 106.673898 106.673898 106.679728 106.679728 106.679728 106.679738 106.679738 106.679738 106.679748 106.679748 106.679748 106.679798 106.679798 106.679798 106.679828 106.679828 106.679838 106.679838 106.679848 106.679848 106.679898 106.679898 106.702329 106.702329 106.702329 106.702329 106.702339 106.702339 106.702339 106.702339 106.702349 106.702349 106.702349 106.702349 106.702399 106.702399 106.702399 106.702399 106.7215211 106.7215311 106.7215411 106.7215911 106.742024 106.742034 106.742044 106.742064 106.742094 106.742124 106.742134 106.742144 106.742164 106.742194 106.742324 106.742334 106.742344 106.742394 106.742424 106.742434 106.742444 106.742494 106.742524 106.742534 106.742544 106.742594 106.742624 106.742634 106.742644 106.742694 106.762324 106.762334 106.762344 106.762364 106.762394 106.762424 106.762434 106.762444 106.762464 106.762494 106.772227 106.772237 106.772247 106.772297 106.772327 106.772337 106.772347 106.772397 106.779227 106.779237 106.779247 106.779297 106.779327 106.779337 106.779347 106.779397 106.782128 106.782128 106.782138 106.782138 106.782148 106.782148 106.782198 106.782198 106.782228 106.782228 106.782238 106.782238 106.782248 106.782248 106.782298 106.782298 106.782328 106.782338 106.782348 106.782398 106.789128 106.789128 106.789138 106.789138 106.789148 106.789148 106.789198 106.789198 106.789228 106.789228 106.789238 106.789238 106.789248 106.789248 106.789298 106.789298 106.789328 106.789338 106.789348 106.789398 7GR2SHWXRL00 7GR2SHWXRS00 8ET1FTKXKT06 8ET1FTKXKT07 8ET1WTKXKT06 8ET8FTKXKT06 8ET8WPKXKT06 8ET8WPKXKT07 8GT2FTKXSS01 8GT2FTKXSS02 8GT2FTKXSS03 8GT9FTKXST01 8GT9FTKXST02 8VET0WPKKQ05 8VET0WPKKQ06 8VET2WPKKQ05 8VET2WPKKQ06 A2RXNMFWB00 A2RXNMFWB01 A2RXNMFWB02 A2RXNMFWB03 A2RXNMFWS00 A2RXNMFWS01 A2RXNMFWS02 A2RXNMFWS03 A2RXNMFWW00 A2RXNMFWW01 A2RXNMFWW02 A2RXNMFWW03 A9RXNMFWB00 A9RXNMFWB01 A9RXNMFWB02 A9RXNMFWS00 A9RXNMFWS01 A9RXNMFWS02 A9RXNMFWW00 A9RXNMFWW01 A9RXNMFWW02 ATB1932MRB01 ATB1932MRS00 ATB1932MRS01 ATB1932MRW00 ATB1932MRW01 ATB2232MRB00 ATB2232MRB01 ATB2232MRS00 ATB2232MRS01 ATB2232MRW01 CT18GKXRQ00 CT18GKXRQ01 CT18GKXRT00 CT18GKXRT01 CT18GMXRQ00 CT18GMXRQ01 CT21GKXPQ02 CT21GKXPT02 CT21GKXRQ01 CT21GKXRQ02 CT21GKXRQ03 CT21GKXRT00 CT21GKXRT01 CT21GKXRT02 CT21GKXRT03 ER2CHMXPB02 ER2CHMXPB05 ER2CHMXPB06 ER2CHMXPL05 ER2CHMXPL06 ER2CHMXPQ05 ER2CHMXPQ06 ER2MHKXPB08 ER2MHKXPL05 ER2MHKXPL08 ER2MHKXPQ06 ER2MHKXPQ08 ER9FHKXTB00 ER9FHKXTQ00 ER9FHKXTS00 ER9FHKXVB00 ER9FHKXVB01 ER9FHKXVQ00 ER9FHKXVQ01 ER9FHKXVS00 ER9FHKXVS01 ET1CHEXST01 ET1CHEXVB00 ET1CHEXVB01 ET1CHEXVB02 ET1CHEXVB03 ET1CHEXVB04 ET1CHEXVQ00 ET1CHEXVQ01 ET1CHEXVQ02 ET1CHEXVQ03 ET1CHEXVQ04 ET1CHEXVT00 ET1CHEXVT01 ET1CHEXVT02 ET1CHEXVT03 ET1CHEXVT04 ET1CHMXKB10 ET1CHMXKQ10 ET1CHMXKT05 ET1CHMXKT09 ET1CHMXKT10 ET1FHMXMQ02 ET1FHMXMT02 ET1FTEXMQ03 ET1FTEXVQ00 ET1FTEXVQ01 ET1FTEXVT00 ET1FTEXVT01 ET1FTKXKQ05 ET1FTKXKQ10 ET1FTKXKQ11 ET1FTKXKT05 ET1LFKXKB05 ET1LFKXKB06 ET1LFKXKB07 ET1LFKXKB08 ET1LFKXKQ05 ET1LFKXKQ06 ET1LFKXKQ07 ET1LFKXKQ08 ET1LFKXKS05 ET1LFKXKS09 ET1LFKXKT05 ET1LFKXKT08 ET1MHEXRB01 ET1MHEXRB02 ET1MHEXRQ01 ET1MHKXMB03 ET1MHKXMB05 ET1MHKXMB07 ET1MHKXMB08 ET1MHKXMQ05 ET1MHKXMQ07 ET1MHKXMQ08 ET1MHKXMT04 ET1MHKXMT07 ET1MHKXMT08 ET1MHMXRB00 ET1MHMXRB01 ET1MHMXRQ00 ET1MHMXRQ01 ET1MHMXRT00 ET1MHMXRT01 ET1MTEXMQ03 ET1MTEXMQ04 ET1PHKXPQ05 ET1PHKXPQ07 ET1PHKXPQ08 ET1PHKXPQ09 ET1PHKXPQ10 ET1PHKXPT02 ET1PHKXPT03 ET1PHKXPT04 ET1PHKXPT07 ET1PHKXPT08 ET1PHKXPT09 ET1PHKXPT10 ET1RHMXKQ05 ET1RHMXKT05 ET1WTKXKQ05 ET1WTKXKQ06 ET1WTKXKT06 ET8CHEXSQ00 ET8CHEXSQ01 ET8CHEXVB01 ET8CHEXVQ01 ET8CHEXVT00 ET8CHEXVT01 ET8CHKXKB07 ET8CHKXKQ07 ET8CHMXKT07 ET8FTEXMB03 ET8FTEXMQ03 ET8FTEXMT03 ET8FTEXRB00 ET8FTEXRB01 ET8FTEXRB02 ET8FTEXRQ00 ET8FTEXRQ02 ET8FTEXSB01 ET8FTEXSQ00 ET8FTEXST00 ET8FTEXST01 ET8FTEXVB00 ET8FTEXVB01 ET8FTEXVB02 ET8FTEXVB03 ET8FTEXVQ00 ET8FTEXVQ01 ET8FTEXVQ02 ET8FTEXVQ03 ET8FTEXVT00 ET8FTEXVT01 ET8FTEXVT02 ET8LFKXKQ06 ET8LFKXKT06 ET8LFKXKT07 ET8MHEXRB00 ET8MHEXRB01 ET8MHEXRQ00 ET8MHEXRQ01 ET8MHKXMB05 ET8MHKXMQ05 ET8MHKXMT05 ET8MHMXRB00 ET8MHMXRB01 ET8MHMXRQ00 ET8MHMXRQ01 ET8MHMXRT00 ET8MHMXRT01 ET8WTEXVQ00 ET8WTEXVQ01 ET8WTEXVQ02 ET8WTEXVQ03 ET8WTKXKB10 ET8WTKXKB11 ET8WTKXKB12 ET8WTKXKQ10 ET8WTKXKQ11 ET8WTKXKQ12 ET8WTKXKT10 ET8WTKXKT11 ET8WTKXKT12 ET8WTMXKQ09 ET8WTMXKT09 G2IXEFMWB00 G2IXEFMWB01 G2IXEFMWB02 G2IXEFMWB03 G2IXEFMWQ00 G2IXEFMWQ01 G2IXEFMWQ02 G2IXEFMWQ03 G2IXEFMWS00 G2IXEFMWS01 G2IXEFMWS02 G2IXEFMWS03 G9IXEFMWB00 G9IXEFMWB01 G9IXEFMWB02 G9IXEFMWQ00 G9IXEFMWQ01 G9IXEFMWQ02 G9IXEFMWS00 G9IXEFMWS01 G9IXEFMWS02 G9RXXFMWB00 G9RXXFMWL00 G9RXXFMWQ00 G9RXXFMWS00 GR2FHMXPB02 GR2FHMXPB03 GR2FHMXVB01 GR2FHMXVQ01 GR2FHMXVS00 GR2FHMXVS01 GR2FHMXVS02 GR2FHMXVY01 GR2FHMXVY02 GR2FHMXVY03 GR2FHTXTS00 GR2FHTXVB00 GR2FHTXVB01 GR2FHTXVL00 GR2FHTXVL01 GR2FHTXVQ00 GR2FHTXVQ01 GR2FHTXVS00 GR2FHTXVS01 GR2SHWXPT01 GR2SHWXVB00 GR2SHWXVB01 GR2SHWXVQ00 GR2SHWXVQ01 GR2SHWXVS00 GR2SHWXVS01 GR9FHKXPB01 GR9FHKXPQ01 GR9FHKXPS01 GR9FHKXVB00 GR9FHKXVB01 GR9FHKXVQ00 GR9FHKXVQ01 GR9FHKXVS00 GR9FHKXVS01 GR9FHMXPB01 GR9FHMXVB00 GR9FHMXVB01 GR9FHMXVQ00 GR9FHMXVQ01 GR9FHMXVS00 GR9FHMXVS01 GR9FHTXTB00 GR9FHTXTS00 GR9FHTXVB00 GR9FHTXVB01 GR9FHTXVL00 GR9FHTXVL01 GR9FHTXVQ00 GR9FHTXVQ01 GR9FHTXVS00 GR9FHTXVS01 GT1SHTXMB03 GT1SHTXMT03 GT1SHWXPB01 GT1SHWXPB02 GT1SHWXPQ02 GT1SHWXPS02 GT1SHWXPT01 GT1SHWXPT02 GT2MHTXRB01 GT2MHTXRQ01 GT2MHTXRS01 GT2MHTXRT01 GT9MHTXRQ00 GT9MHTXRQ01 GT9MHTXRT00 GT9MHTXRT01 IMT186306 IMT188303 IR2MHMXRS01 IR2MHMXRS02 IR2MHMXRS03 IT21AMXRQ02 IT21AMXRQ04 K2TLEFFWMS00 K2TLEFFWMS01 K2TREFFWBL00 K2TREFFWMS00 K2TREFFWMS01 K2TREFFWWH00 K9TLEFFWMS00 K9TLEFFWMS01 K9TREFFWBL00 K9TREFFWMS00 K9TREFFWMS01 K9TREFFWWH00 KTLA19KRSS01 KTLA22EMSS03 KTLA22EMSS04 KTLA22KRSS01 KTLA22KRSS02 KTRA19KRSS01 KTRA22EMBL03 KTRA22EMBT03 KTRA22EMWH03 KTRA22KRSS01 KTRA22KRSS02 KTRC19KMBL03 KTRC19KMBT03 KTRC19KMWH03 KTRC22EMBL04 KTRC22EMBT04 KTRC22EMBT05 KTRC22EMSS04 KTRC22EMSS05 KTRC22EMWH04 KTRC22KMBL05 KTRC22KMBT04 KTRC22KMBT05 KTRC22KMSS04 KTRC22KMWH04 KTRC22KMWH05 KTRC22KVSS00 KTRC22KVSS01 KTRP19KRBT01 KTRP19KRWH01 KTRP22EMBT03 KTRP22EMBT04 KTRP22EMWH03 KTRP22EMWH04 KTRP22KRBT01 KTRP22KRBT02 KTRP22KRWH01 KTRP22KRWH02 M0RXEMMWB00 M0RXEMMWB01 M0RXEMMWM00 M0RXEMMWS00 M0RXEMMWW00 M0RXEMMWW01 M1TXEMMWB00 M1TXEMMWB02 M1TXEMMWB03 M1TXEMMWB04 M1TXEMMWQ00 M1TXEMMWQ02 M1TXEMMWQ03 M1TXEMMWQ04 M1TXEMMWS00 M1TXEMMWS01 M1TXEMMWS02 M1TXEMMWS03 M1TXEMMWS04 M1TXEMMWW00 M1TXEMMWW02 M1TXEMMWW03 M1TXEMMWW04 M9RXDGFYB00 () M9RXDGFYM00 () M9RXDGFYW00 () MTB1954EEB00 MTB1954EEB01 MTB1954EEB02 MTB1954EEB03 MTB1954EES00 MTB1954EES01 MTB1954EES02 MTB1954EES03 MTB1954EEW00 MTB1954EEW01 MTB1954EEW02 MTB1954EEW03 MTB1954MEB00 MTB1954MES00 MTB1954MEW00 MTB2254EEB00 MTB2254EEB01 MTB2254EEB02 MTB2254EEB03 () MTB2254EES00 MTB2254EES01 MTB2254EES02 MTB2254EES03 () MTB2254EEW00 MTB2254EEW01 MTB2254EEW02 MTB2254EEW03 () MTB2254MEB00 MTB2254MES00 MTB2254MEW00 MTB2254MRB00 MTB2254MRS00 MTB2254MRW00 MTF1842EEB00 MTF1842EEB01 MTF1842EEQ00 MTF1842EEQ01 MTF1842EES00 MTF1842EES01 MTF1842EEW00 MTF1842EEW01 MTF1842MEB00 MTF1842MEQ00 MTF1842MES00 MTF1842MEW00 MTF2142EEB00 MTF2142EEB01 MTF2142EEQ00 MTF2142EEQ01 MTF2142EES00 MTF2142EES01 MTF2142EEW00 MTF2142EEW01 MTF2142MEB00 MTF2142MEQ00 RT18DKXKQ09 RT18DKXKT09 RT21AKXKQ06 RT21AKXKQ08 RT21AKXKQ09 RT21LMXKQ10 RT21LMXKT09 RT21LMXKT10 TT18AKXPQ04 TT18AKXPT04 TT18WKXRQ00 TT18WKXRT00 TT18WKXRT01 TT21AKXKQ08 TT21AKXKT05 W1TXEMFWB00 W1TXEMFWB01 W1TXEMFWB02 W1TXEMFWB04 W1TXEMFWQ00 W1TXEMFWQ01 W1TXEMFWQ02 W1TXEMFWQ04 W1TXEMFWS00 W1TXEMFWS01 W1TXEMFWS02 W1TXEMFWS04 W1TXEMFWT00 W1TXEMFWT01 W1TXEMMWB00 W1TXEMMWB02 W1TXEMMWB03 W1TXEMMWB04 W1TXEMMWQ00 W1TXEMMWQ02 W1TXEMMWQ03 W1TXEMMWQ04 W1TXEMMWS00 W1TXEMMWS01 W1TXEMMWS02 W1TXEMMWS03 W1TXEMMWS04 W1TXEMMWT00 W1TXEMMWT02 W1TXEMMWT03 W1TXEMMWT04 W1TXNMFWB00 W1TXNMFWB01 W1TXNMFWB02 W1TXNMFWQ00 W1TXNMFWQ01 W1TXNMFWQ02 W1TXNMFWT00 W1TXNMFWT01 W1TXNMFWT02 W2RXEMMWB00 W2RXEMMWB01 W2RXEMMWQ00 W2RXEMMWQ01 W2RXEMMWS00 W2RXEMMWS01 W2RXNMMWB00 W2RXNMMWB01 W2RXNMMWB02 W2RXNMMWL00 W2RXNMMWL01 W2RXNMMWL02 W2RXNMMWQ00 W2RXNMMWQ01 W2RXNMMWQ02 W9RXEMFWB00 W9RXEMFWB01 W9RXEMFWQ00 W9RXEMFWQ01 W9RXEMFWS00 W9RXEMFWS01 W9RXEMMWB00 W9RXEMMWB01 W9RXEMMWQ00 W9RXEMMWQ01 W9RXEMMWS00 W9RXEMMWS01 W9RXNMFWB00 W9RXNMFWB01 W9RXNMFWB02 W9RXNMFWQ00 W9RXNMFWQ01 W9RXNMFWQ02 W9RXNMFWS00 W9RXNMFWS01 W9RXNMFWS02 W9RXXMFWB00 W9RXXMFWB01 W9RXXMFWL00 W9RXXMFWQ00 W9RXXMFWQ01 W9RXXMFWS00 W9TXNMFWB00 W9TXNMFWB01 W9TXNMFWQ00 W9TXNMFWQ01 W9TXNMFWS00 W9TXNMFWS01 W9TXNMFWT00 WRT108TFYB00 WRT108TFYW00 WRT1L1TZYS00

Common Fixes

• Frost buildup on evaporator coils
• Refrigerator not cooling properly
• Evaporator fan noise due to ice obstruction
• Unit stuck in defrost or not entering defrost
• Temperature fluctuations inside fresh food or freezer compartments

️ Installation Tips

• Disconnect power before servicing the refrigerator
• Access thermostat by removing the evaporator cover
• Clip new thermostat securely to the evaporator tubing
• Match wiring harness colors and connectors
• Ensure proper coil contact for accurate temperature sensing

This OEM‑compatible defrost thermostat restores proper defrost operation—an exact replacement for Whirlpool® WP2321800.