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LG LSC27937ST.ASTCNA0: LT600P filter and verified model matrix

LG product-support pages list LT600P compatibility for LSC27937ST.ASTCNA0, LSC27937SW.ASWCNA0, and LSC27935SW.ASWCNA0. LG identifies LT600P part variants 5231JA2006A and 5231JA2006F and gives a turn-counterclockwise/click-out removal method with installation and purge guidance. This page does not infer fit for another LT family or unlisted suffix and omits certification and reduction claims.

Safety boundary

  • Check the exact owner's manual for water supply shutoff and indicator reset; protect the area below the housing.
  • Turn counterclockwise to release and pull only after the cartridge clicks out; do not force a cartridge that resists.
  • After replacement, slowly restore water if shut off, check for leaks, and flush as directed; this does not test water safety.
Part typeLG LT600P refrigerator water filter cartridge

Compatibility requires a direct model listing, explicit supersession, or equivalent manufacturer evidence.

Models explicitly covered

These model identities have the source evidence listed below. Read the part decision and suffix limits before ordering.

Required identifiers

  • Full LG product-support code: LSC27937ST.ASTCNA0, LSC27937SW.ASWCNA0, or LSC27935SW.ASWCNA0
  • Existing filter marking LT600P or exact LG model lookup
  • LG manufacturer part code 5231JA2006A or 5231JA2006F

Compatibility rules

  • LG support pages for each complete refrigerator code explicitly say it is compatible with LT600P.
  • LG identifies LT600P part-code variants 5231JA2006A and 5231JA2006F.
  • Use only these listed complete codes; do not infer cross-fit with LT500P, LT700P, LT800P, LT1000P, or another LSC279xx suffix.
  • The general LG article warns that model controls vary; use the exact owner manual for valve shutoff and filter-indicator reset.

Never assume

  • Do not split ST/SW finishes or the three listed codes into extra quota routes.
  • Do not use the LT600P page to assert a certification scope or contaminant-reduction performance without a current performance sheet.
  • Do not infer compatibility of another model from shared filter-family numbers, appearance, or a third-party listing.

Exact LG model fit matrix

  • LSC27937ST.ASTCNA0 — LG support page explicitly lists LT600P.
  • LSC27937SW.ASWCNA0 — LG support page explicitly lists LT600P.
  • LSC27935SW.ASWCNA0 — LG support page explicitly lists LT600P.
  • Genuine LG LT600P codes: 5231JA2006A / 5231JA2006F.
  • LG's sellable filter page showed $54.99 and Add to Cart on 2026-10-03; this is a dated listing, not a delivery or inventory guarantee.

LT600P removal and installation

  • Check the exact model manual for water-supply shutoff; dispense residual water and place a cup or towel under the filter housing.
  • Rotate the LT600P knob counterclockwise until it clicks out of place, then pull the cartridge out.
  • Remove protective packaging, align tabs with housing slots, push fully in, and turn clockwise until locked.
  • Reinstall any cover or shelf, slowly restore water if shut off, and inspect for leaks.
  • LG's guide describes flushing approximately 2.5 gallons in 30-second dispense / 60-second pause cycles and holding Water Filter or Filter Reset for three seconds; use the exact owner's manual if controls differ.

Fit limits and claims

This is one LT600P filter-family route containing three individually verified full LG product codes. It does not cover other suffixes or LT-family cartridges. No capacity, certification, or contaminant-reduction claims are included; verify a current LG performance sheet before making them.

Sources and claim boundariesReviewed 2026-10-03
LG Electronics: LG Product Support — LSC27937ST.ASTCNA0Exact model LSC27937ST.ASTCNA0 LG support record explicitly lists compatibility with the LT600P water filter.Open official source →LG Electronics: LG Product Support — LSC27937SW.ASWCNA0Exact model LSC27937SW.ASWCNA0 support record explicitly lists compatibility with the LT600P water filter.Open official source →LG Electronics: LG Product Support — LSC27935SW.ASWCNA0Exact model LSC27935SW.ASWCNA0 support record explicitly lists compatibility with the LT600P water filter.Open official source →LG Electronics: LG LT600P refrigerator water filterIdentifies the LT600P filter and part-code variants 5231JA2006A and 5231JA2006F; price and Add to Cart were displayed 2026-10-03.Open official source →LG Electronics: How to replace the water filter in your LG refrigeratorLG's method section for LT600P says to turn the cartridge counterclockwise until it clicks out, then install the new one aligned and locked; the article includes flush, leak-check and model-dependent reset guidance.Open official source →
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