Washer Parts [Lifetime Warranty] 3891ER2003A Washer Liquid Detergent Box Assembly - Compatible with LG & Kenmore Washers - Replaces AP4436613 PS3522644 3890ER2003A AH3522644 3891ER2003B
Blue 3891ER2003A washer liquid detergent box assembly with branded packaging.
Comparison chart showing BlueStars 3891ER2003A washer liquid detergent box assembly versus generic alternatives.
Top view of 3891ER2003A washer detergent box assembly with dimensions 4.2 inches by 3.4 inches.
Informational graphic showing a washing machine and symptoms fixed by the 3891ER2003A detergent box assembly.
Blue plastic liquid detergent box assembly for LG and Kenmore washers with informational text overlay.
Blue light blue detergent box assembly for LG and Kenmore washers with Perfect Fit OEM quality label.
Technician repairing an LG or Kenmore washing machine for DIY liquid detergent box assembly replacement.
Blue 3891ER2003A washer liquid detergent box assembly with branded packaging.
Comparison chart showing BlueStars 3891ER2003A washer liquid detergent box assembly versus generic alternatives.
Top view of 3891ER2003A washer detergent box assembly with dimensions 4.2 inches by 3.4 inches.
Informational graphic showing a washing machine and symptoms fixed by the 3891ER2003A detergent box assembly.
Blue plastic liquid detergent box assembly for LG and Kenmore washers with informational text overlay.
Blue light blue detergent box assembly for LG and Kenmore washers with Perfect Fit OEM quality label.
Technician repairing an LG or Kenmore washing machine for DIY liquid detergent box assembly replacement.
Lifetime Warranty

[Lifetime Warranty] 3891ER2003A Washer Liquid Detergent Box Assembly - Compatible with LG & Kenmore Washers - Replaces AP4436613 PS3522644 3890ER2003A AH3522644 3891ER2003B

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3891ER2003A Washer Liquid Detergent Box

Key Features

  • Holds and dispenses liquid detergent during the wash cycle
  • Designed for a precise fit in the dispenser drawer

Replaces / Cross-Reference Part Numbers

  • AP4436613
  • PS3522644
  • 3890ER2003A
  • 3891ER2003B
  • 3891ER2003D
  • AAZ73736101
  • 1267454
  • EA3522644
  • AH3522644
  • EAP3522644

Compatibility & Fitment

  • Fits select washing machine models from brands including LG and Kenmore
  • Designed for use in front-load washers and washer-dryer combination units
  • Verify compatibility with your specific model number before ordering

When to Replace

  • The original detergent box is cracked, broken, or warped
  • Detergent leaks from the box
  • The part is missing from the dispenser drawer

Installation Tips

  • Disconnect the appliance from power and water sources before installation
  • No tools are typically required for this replacement
  • Remove the dispenser drawer, replace the old box with the new one, and re-insert the drawer
Brand Model Number
Replaces AP4436613, PS3522644, 3890ER2003A, 3891ER2003B, 3891ER2003D, AAZ73736101, 1267454, EA3522644, AH3522644, EAP3522644
Kenmore 796.40021900, 796.40272800, 796.40272900, 796.40311900, 796.40318900, 796.40441900, 796.40448900, 796.40512900, 796.40518900, 796.41002610, 796.41003610, 796.41022900, 796.41028900, 796.41029900, 796.41072310, 796.41072311, 796.41073310, 796.41073311, 796.41162410, 796.41162411, 796.41172210, 796.41172211, 796.41172212, 796.41182310, 796.41262611, 796.41272210, 796.41283310, 796.41372210, 796.41373210, 796.41373211, 796.41379210, 796.41382410, 796.41383410, 796.41472210, 796.41473210, 796.41473217, 796.41482211, 796.41532110, 796.41538110, 796.41542110, 796.41548110, 796.41549110, 796.41572210, 796.41573210, 796.41582410, 796.41582412, 796.41583211, 796.41722010, 796.41728010, 796.41728900, 796.41782710, 796.42192900, 796.42198900, 796.42199900
LG WM0001HTM, WM0001HTMA, WM2020CW, WM2050CW, WM2075CW, WM2077CW, WM2101HW, WM2133C, WM2133CW, WM2140CW, WM2150HR, WM2150HS, WM2150HT, WM2150HU, WM2150HW, WM2177HW, WM2233CS, WM2233CU, WM2233HD, WM2233HS, WM2233HU, WM2233HW, WM2240CS, WM2240CW, WM2250CW, WM2277HB, WM2277HS, WM2277HW, WM2301HR, WM2301HS, WM2301HW, WM2350HNC, WM2350HRC, WM2350HSC, WM2350HWC, WM2355CG, WM2355CS, WM2355CW, WM2377CS, WM2377CW, WM2450HRA, WM2455HG, WM2455HS, WM2455HW, WM2477HS, WM2477HW, WM2487HRM, WM2487HRMA, WM2487HSMA, WM2487HWM, WM2487HWMA, WM2487WHM, WM2496HSM, WM2496HWM, WM2497HWM
LG WM2501HVA, WM2501HWA, WM2550HRCA, WM2550HWCA, WM2601HL, WM2601HR, WM2601HW, WM2650HRA, WM2650HVA, WM2650HWA, WM2655HVA, WM2677HBM, WM2677HSM, WM2677HWM, WM2688HCM, WM2688HNM, WM2688HNMA, WM2688HRMA, WM2688HWM, WM2688HWMA, WM2701HV, WM2801HLA, WM2801HRA, WM2801HWA, WM2901HVA
LG WM3001HPA, WM3001HRA, WM3001HWA, WM3050CW, WM3055CW, WM3070HRA, WM3070HVA, WM3070HWA, WM3150HVC, WM3150HWC, WM3250HRA, WM3250HVA, WM3250HWA, WM3360HRCA, WM3360HVCA, WM3360HWCA, WM3470HVA, WM3470HWA, WM3550HVCA, WM3570HWA, WM3575CV, WM3575CW, WM3677HW, WM3770HVA, WM3770HWA, WM3875HVCA, WM3875HWCA, WM3885HCCA, WM3885HWCA, WM3987HW, WM3997HWA, WM4070HVA, WM4070HWA, WM4370HKA, WM8000HVA, WM8000HWA, WM8100HVA, WM8100HWA, WM8500HVA
Color
Light Blue
Material
Plastic
Product Dimensions
3.4 x 4.2 x 2 inches

FAQ

This assembly is compatible with a wide range of LG and Kenmore front-load washers, including models F1201FD, F1305FDM, WM2233HD, WM2233HS, WM2277HB, WM2277HW, WM2455HG, WM2455HW, WM2487HWM, WM2688HNM, WM2688HNMA, WM2688HWMA, and WM3677HW.
This part replaces OEM numbers 3891ER2003A, 3890ER2003A, 3891ER2003B, 3891ER2003D, AAZ73736101, 1267454, AP4436613, PS3522644, AH3522644, EA3522644, and EAP3522644.
You likely need a replacement if you notice detergent leaking from the dispenser drawer, the drawer failing to slide smoothly, or if the internal compartments are cracked or warped, preventing the machine from properly flushing the detergent during the cycle.
Replacing the detergent box is a straightforward repair that typically takes 10 to 15 minutes. You will need to pull the dispenser drawer out fully, locate the release tab at the back of the drawer, press it down to release the assembly, and slide it out. The new unit simply slides back into the housing until it clicks into place.
Detergent buildup, mineral deposits from hard water, or the use of excessive amounts of concentrated detergent can cause the plastic to warp or the internal siphon mechanisms to clog. Over time, the plastic may also become brittle, leading to cracks that cause leaks.