12001937-ER Refrigerator Defrost Thermostat Replaces 12001937

12001937-ER for Whirlpool Refrigerator seamlessly replaces 12001937 assuring your home appliance's peak performance and durability.

Our replacement component is made with durability and accuracy, and it is intended to match or surpass OEM specifications, so it will fit perfectly and perform dependably.

12001937-ER - Compatible with:

• Whirlpool
  
• Roper
  
• Admiral
  
• Maytag
  
• Hardwick
  
• Jenn-Air
  
• Estate
  
• Magic Chef
  
• Crosley
  
• Inglis
  
• Norge
  
• Modern Maid
  
• Amana
  
• Kenmore
  
• KitchenAid
  
• Caloric
  
• IKEA

12001937-ER Fixes and Solutions:

• Freezer over freezing
• Frost buildup inside
• Inconsistent cooling
• Constantly running compressor
• Erratic temperature control
• Warm fridge compartment

12001937-ER Replaces:

• 12001937-ER
• 12001937
• 8170904
• 67001202
• 67002571
• 1023500
• AH2003451
• AP4009073
• B00DM8L08S
• B015WYGXD6
• B01M029AV5
• DS-IP2W-RYC9
• DSIP2WRYC9
• EA2003451
• EAP2003451
• PS2003451
• PD00003025

Perfect Fit Models for 12001937-ER:

• AB1924PEKB
• AB1924PEKS
• AB1924PEKW
• AB2026LEKS (BOM: AB2026LEKS0)
• AB2026PEKB
• AB2026PEKW
• AB2026REKS (BOM: AB2026REKS0)
• AB2225PEKB
• AB2225PEKS
• AB2225PEKW
• AB2526PEKW
• ABB1924DEB
• ABB1924DEQ
• ABB1924DES
• ABB1924DEW
• ABB1927DEB
• ABB1927DEQ
• ABB1927DES
• ABB1927DEW
• ABB192ZDEB
• ABB192ZDEQ
• ABB192ZDES
• ABB192ZDEW
• ABB2223DEB
• ABB2223DEQ
• ABB2223DES
• ABB2223DEW
• ABB2224DEB
• ABB2224DEQ
• ABB2224DES
• ABB2224DEW
• ABB2227DEB
• ABB2227DEQ
• ABB2227DES
• ABB2227DEW
• ABB222ZDEB
• ABB222ZDEQ
• ABB222ZDES
• ABB222ZDEW
• ABB2522FEB
• ABB2522FEQ
• ABB2522FES
• ABB2522FEW
• ABB2524DEB
• ABB2524DEQ
• ABB2524DES
• ABB2524DEW
• ABB2527DEB
• ABB2527DEB (BOM: ABB2527DEx2)
• ABB2527DEQ
• ABB2527DES
• ABB2527DEW
• ABB2527DEW (BOM: ABB2527DEx2)
• ABC2037DEB
• ABC2037DEQ
• ABC2037DES
• ABC2037DEW
• ABC2037DPS
• ABC2037DTB
• ABC2037DTS
• ABC2037DTW
• ABD2233DEB
• ABD2233DEQ
• ABD2233DES
• ABD2233DEW
• ABD2533DEB
• ABD2533DEQ
• ABD2533DES
• ABD2533DEW
• ABL2037FES (BOM: ABL2037FES0)
• ABR2037FES (BOM: ABR2037FES0)
• AFC2033DRB
• AFC2033DRQ
• AFC2033DRS
• AFC2033DRW
• ARB1905CB (BOM: PARB1905CB0)
• ARB1905CC (BOM: PARB1905CC0)
• ARB1905CS (BOM: PARB1905CS0)
• ARB1905CW (BOM: PARB1905CW0)
• ARB190RCB (BOM: PARB190RCB0)
• ARB190RCC (BOM: PARB190RCC0)
• ARB190RCW (BOM: PARB190RCW0)
• ARB190ZCB (BOM: PARB190ZCBO)
• ARB190ZCC (BOM: PARB190ZCC0)
• ARB190ZCS (BOM: PARB190ZCS0)
• ARB190ZCW (BOM: PARB190ZCW0)
• ARB1914CB (BOM: PARB1914CB0)
• ARB1914CC (BOM: PARB1914CC0)
• ARB1914CSL (BOM: PARB1914CS0)
• ARB1914CSR (BOM: PARB1914CS1)
• ARB1914CW (BOM: PARB1914CW0)
• ARB1917CB (BOM: PARB1917CB1)
• ARB1917CC (BOM: PARB1917CC1)
• ARB1917CSL (BOM: PARB1917CSO)
• ARB1917CSR (BOM: PARB1917CS1)
• ARB1917CW (BOM: PARB1917CW1)
• ARB194RCB (BOM: PARB194RCB0)
• ARB194RCC (BOM: PARB194RCC0)
• ARB194RCW (BOM: PARB194RCW0)
• ARB2205CB (BOM: PARB2205CB0)
• ARB2205CC (BOM: PARB2205CC0)
• ARB2205CS (BOM: PARB2205CS0)
• ARB2205CW (BOM: PARB2205CW0)
• ARB220RCB (BOM: PARB220RCB0)
• ARB220RCC (BOM: PARB220RCC0)
• ARB220RCW (BOM: PARB220RCW0)
• ARB220ZCB (BOM: PARB220ZCB0)
• ARB220ZCC (BOM: PARB220ZCC0)
• ARB220ZCS (BOM: PARB220ZCS0)
• ARB220ZCW (BOM: PARB220ZCW0)
• ARB2214CB (BOM: PARB2214CB0)
• ARB2214CC (BOM: PARB2214CC0)
• ARB2214CSL (BOM: PARB2214CS0)
• ARB2214CSR (BOM: PARB2214CS1)
• ARB2214CW (BOM: PARB2214CW0)
• ARB2217CB (BOM: PARB2217CB0)
• ARB2217CB (BOM: PARB2217CB1)
• ARB2217CC (BOM: PARB2217CC0)
• ARB2217CC (BOM: PARB2217CC1)
• ARB2217CSL (BOM: PARB2217CS0)
• ARB2217CSL (BOM: PARB2217CS2)
• ARB2217CSR (BOM: PARB2217CS1)
• ARB2217CSR (BOM: PARB2217CS3)
• ARB2217CW (BOM: PARB2217CW0)
• ARB2217CW (BOM: PARB2217CW1)
• ARB224RCB (BOM: PARB224RCB0)
• ARB224RCC (BOM: PARB224RCC0)
• ARB224RCW (BOM: PARB224RCW0)
• ARB2257CB (BOM: PARB2257CB0)
• ARB2257CC (BOM: PARB2257CC0)
• ARB2257CSL (BOM: PARB2257CS0)
• ARB2257CSR (BOM: PARB2257CS1)
• ARB2257CW (BOM: PARB2257CW0)
• ARB2259CB (BOM: PARB2259CB0)
• ARB2259CC (BOM: PARB2259CC0)
• ARB2259CS (BOM: PARB2259CS0)
• ARB2259CW (BOM: PARB2259CW0)
• ARB2517CB (BOM: PARB2517CB0)
• ARB2517CC (BOM: PARB2517CC0)
• ARB2517CSL (BOM: PARB2517CS0)
• ARB2517CSR (BOM: PARB2517CS1)
• ARB2517CW (BOM: PARB2517CW0)
• ARB2557CB (BOM: PARB2557CB0)
• ARB2557CC (BOM: PARB2557CC0)
• ARB2557CSL (BOM: PARB2557CS0)
• ARB2557CSR (BOM: PARB2557CS1)
• ARB2557CW (BOM: PARB2557CW0)
• ARB8057CB (BOM: PARB8057CB0)
• ARB8057CB (BOM: PARB8057CB1)
• ARB8057CC (BOM: PARB8057CC0)
• ARB8057CC (BOM: PARB8057CC1)
• ARB8057CSL (BOM: PARB8057CS1)
• ARB8057CSL (BOM: PARB8057CS2)
• ARB8057CSR (BOM: PARB8057CS0)
• ARB8057CSR (BOM: PARB8057CS3)
• ARB8057CW (BOM: PARB8057CW0)
• ARB8057CW (BOM: PARB8057CW1)
• ARB9058CB (BOM: PARB9058CB0)
• ARB9058CB (BOM: PARB9058CB1)
• ARB9058CS (BOM: PARB9058CS0)
• ARB9058CS (BOM: PARB9058CS1)
• ARB9058CW (BOM: PARB9058CW0)
• ARB9058CW (BOM: PARB9058CW1)
• ARB9059CS (BOM: PARB9059CS0)
• ARB9059CS (BOM: PARB9059CS1)
• CB22G6Q (BOM: PCB22G600C0)
• CB22G6W (BOM: PCB22G600W0)
• DRB1901CC (BOM: PDRB1901CC0)
• DRB1901CW (BOM: PDRB1901CW0)
• DRB2201CC (BOM: PDRB2201CC0)
• DRB2201CW (BOM: PDRB2201CW0)
• GB2026LEKS
• GB2026PEKB
• GB2026PEKW
• GB2026REKS
• GB2SHDXPB00
• GB2SHDXPB01
• GB2SHDXPQ00
• GB2SHDXPQ01
• GB2SHDXPS00
• GB2SHDXPS01
• GB2SHDXPT00
• GB2SHDXPT01
• GB2SHKLLS00
• GB2SHKLLS01
• GB2SHKRLS00
• GB2SHKRLS01
• GB2SHKXLB00
• GB2SHKXLB01
• GB2SHKXLQ00
• GB2SHKXLQ01
• GB2SHKXLT00
• GB2SHKXLT01
• GB2SHKXMQ00
• GB2SHKXMT00
• GB9SHDXPB00
• GB9SHDXPB01
• GB9SHDXPQ00
• GB9SHDXPQ01
• GB9SHDXPS00
• GB9SHDXPS01
• GB9SHKRLS00
• GB9SHKRLS01
• GB9SHKRMS00
• GB9SHKXLB00
• GB9SHKXLB01
• GB9SHKXLQ00
• GB9SHKXLQ01
• GB9SHKXLT00
• GB9SHKXLT01
• GB9SHKXMQ00
• GBS22KBNCC (BOM: PGBS22KBNC0)
• GBS22KBNWW (BOM: PGBS22KBNW0)
• JCB2058GEB (BOM: PJCB2058GB0)
• JCB2058GEB (BOM: PJCB2058GB1)
• JCB2058GEW (BOM: PJCB2058GW0)
• JCB2058GEW (BOM: PJCB2058GW1)
• JCB2059GES (BOM: PJCB2059GS0)
• JCB2059GES (BOM: PJCB2059GS1)
• KBLA20ELSS00
• KBLA20ELSS01
• KBLA20ELSS0 (BOM: PKBLA20ELS0)
• KBLA20EMSS00
• KBLA22KLSS00
• KBLA22KLSS01
• KBLA22KMSS00
• KBRA20ELBL00
• KBRA20ELBL01
• KBRA20ELBL0 (BOM: PKBRA20ELB0)
• KBRA20ELBT00
• KBRA20ELBT01
• KBRA20ELBT0 (BOM: PKBRA20ELC0)
• KBRA20ELSS00
• KBRA20ELSS01
• KBRA20ELSS0 (BOM: PKBRA20ELS0)
• KBRA20ELWH00
• KBRA20ELWH01
• KBRA20ELWH0 (BOM: PKBRA20ELW0)
• KBRA20EMBL00
• KBRA20EMBT00
• KBRA20EMSS00
• KBRA20EMWH00
• KBRA22KLBL00
• KBRA22KLBL01
• KBRA22KLBT00
• KBRA22KLBT01
• KBRA22KLSS00
• KBRA22KLSS01
• KBRA22KLWH00
• KBRA22KLWH01
• KBRA22KMBL00
• KBRA22KMBT00
• KBRA22KMSS00
• KBRA22KMWH00
• KBRP20ELSS00
• KBRP20ELSS01
• KBRP20EMSS00
• MB1927PEHB (BOM: PMB1927PHB0)
• MB1927PEHW (BOM: PMB1927PHW0)
• MB2227PEHB (BOM: PMB2227PHB0)
• MB2227PEHW (BOM: PMB2227PHW0)
• MBB1952GRQ (BOM: PMBB1952GC0)
• MBB1952GRW (BOM: PMBB1952GW0)
• MBB1954GEB (BOM: PMBB1954GB0)
• MBB1954GEQ (BOM: PMBB1954GC0)
• MBB1954GES (BOM: PMBB1954GS0)
• MBB1954GEW (BOM: PMBB1954GW0)
• MBB1956GEB (BOM: PMBB1956GB0)
• MBB1956GEQ (BOM: PMBB1956GC0)
• MBB1956GES (BOM: PMBB1956GS0)
• MBB1956GEW (BOM: PMBB1956GW0)
• MBB2254GEB (BOM: PMBB2254GB0)
• MBB2254GEQ (BOM: PMBB2254GC0)
• MBB2254GES (BOM: PMBB2254GS0)
• MBB2254GEW (BOM: PMBB2254GW0)
• MBB2256GEB (BOM: PMBB2256GB0)
• MBB2256GEQ (BOM: PMBB2256GC0)
• MBB2256GES (BOM: PMBB2256GS0)
• MBB2256GEW (BOM: PMBB2256GW0)
• PBB1951GRQ (BOM: PPBB1951GC0)
• PBB1951GRW (BOM: PPBB1951GW0)
• PBB2253GEB (BOM: PPBB2253GB0)
• PBB2253GEQ (BOM: PPBB2253GC0)
• PBB2253GEW (BOM: PPBB2253GW0)
• PBB2255GEB (BOM: PPBB2255GB0)
• PBB2255GEQ (BOM: PPBB2255GC0)
• PBB2255GES (BOM: PPBB2255GS0)
• PBB2255GEW (BOM: PPBB2255GW0)
• PDRB1901CC0
• PDRB1901CW0
• PDS22LBNBB (BOM: PPDS22LBNB0)
• PDS22LBNCC (BOM: PPDS22LBNC0)
• PDS22LBNWW (BOM: PPDS22LBNW0)
• PDS22SBNBS (BOM: PPDS22SBNS0)
• XRBR206BB (BOM: PXRBR206BB0)
• XRBR206BW (BOM: PXRBR206BW0)
• XRBR904BB (BOM: PXRBR904BB0)
• XRBR904BS (BOM: PXRBR904BS0)
• XRBR904BW (BOM: PXRBR904BW0)
• XRBS017BB (BOM: PXRBS017BB0)
• XRBS017BB (BOM: PXRBS017BB1)
• XRBS017BW (BOM: PXRBS017BW0)
• XRBS017BW (BOM: PXRBS017BW1)
• XRBS209BBR (BOM: PXRBS209BB0)
• XRBS209BSR (BOM: PXRBS209BS0)
• XRBS209BWR (BOM: PXRBS209BW0)

How to test Defrost Thermostat?

1. Unplug the Refrigerator
• Ensure the Refrigerator is unplugged from the power source to prevent electrical hazards.
2. Locate the Defrost Thermostat
• The defrost thermostat is usually located near the evaporator coil, inside the freezer compartment. Depending on the model.
• You may need to remove the freezer panel or back cover to access it.
3. Disconnect the Defrost Thermostat
• Once you have access to the defrost thermostat, disconnect any wires attached to it to isolate it for testing.

Some useful diagnosing tips

• Check for visible damage.
• Test with multimeter for continuity.
• Check continuity when cold.
• No continuity when hot.
• Inspect wiring connections for issues