W11504444 - Genuine OEM Whirlpool Refrigerator Lokring Tube Coupler, 5mm - 4.5mm Brass Reducer

SKU : W11504444
$35.07
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W11504444 – Genuine OEM Whirlpool Refrigerator Lokring Tube Coupler, 5mm - 4.5mm Brass Reducer

Authoritative Overview

The W11504444 Genuine OEM Whirlpool Refrigerator Lokring Tube Coupler (5mm - 4.5mm Brass Reducer) is a precision-engineered sealed system refrigeration connector designed for Whirlpool and compatible refrigerator platforms. As a Genuine OEM part, it ensures factory-grade sealing integrity, correct tube reduction sizing, and reliable performance in refrigeration line repairs.

This component is widely used in Whirlpool refrigerator sealed system repairs, particularly when joining or transitioning refrigerant tubing of different diameters (5mm to 4.5mm). It is available for Canada-wide delivery through Appliance Kingdom in Edmonton, AB, supporting homeowners, landlords, and certified refrigeration technicians across the country.

This coupler is commonly used during compressor, evaporator, or line repair work where precision sealing is critical to restore proper cooling performance.

Function & Importance in Refrigerator Systems

The Lokring tube coupler is a mechanical sealing connector used to join two refrigeration tubes without brazing. In a Whirlpool refrigerator sealed system, it:

  • Creates a high-integrity, leak-resistant connection between refrigerant lines

  • Maintains proper refrigerant flow and system pressure stability

  • Eliminates the need for open-flame brazing in sensitive sealed systems

OEM accuracy is essential because refrigeration systems operate under high pressure and precise refrigerant balance. Incorrect fittings or poor-quality couplers can lead to:

  • Refrigerant leaks

  • Loss of cooling efficiency

  • Compressor strain or failure

  • System contamination

Using a genuine OEM Lokring coupler ensures the connection maintains factory engineering standards.

Common Symptoms Indicating Replacement

A failing or compromised Lokring coupler or sealed joint in a refrigerator system may cause:

  • Refrigerator not cooling or inconsistent cooling performance

  • Freezer too warm or fluctuating temperature

  • Slow or inefficient cooling cycles

  • Visible refrigerant oil residue near sealed joints

  • System losing refrigerant charge over time

  • Compressor running continuously without reaching target temperature

If these symptoms are present and a sealed line joint is suspected, replacing the coupler may restore proper system integrity.

Compatibility Guidance

  • Designed for Whirlpool refrigerator sealed refrigeration systems

  • Used in professional refrigerant line repair and tube joining applications

  • Compatible with Whirlpool OEM refrigeration platforms requiring 5mm–4.5mm reduction connections

Customers should always verify their refrigerator model number and tubing specification before ordering to ensure correct fitment.

Replaces Part Numbers

  • W11313700

  • W11313701

(Verified OEM supersession data where applicable.)

Key Features & Benefits

  • Genuine OEM Whirlpool sealed system component

  • Precision 5mm to 4.5mm brass reduction coupling

  • Designed for leak-free refrigeration system integrity

  • Eliminates need for brazing in sensitive refrigerant lines

  • Corrosion-resistant brass construction for long-term durability

  • Trusted by HVAC and refrigeration service professionals

Installation Overview

Installation of this Lokring coupler is considered advanced-level refrigeration repair work:

  • Requires proper Lokring compression tooling

  • Must be installed on properly prepared and cut tubing

  • Seal integrity depends on correct sizing and installation technique

Recommended Skill Level:

  • Professional HVAC/refrigeration technician strongly recommended

  • Experienced appliance repair specialists only

Incorrect installation may result in refrigerant leakage or system failure.

Canada-Wide Availability & Supplier Trust

Appliance Kingdom supplies this Genuine OEM Whirlpool part across Canada, offering:

  • Fast nationwide shipping from Canada

  • Reliable sourcing for professional appliance repair use

  • Support for homeowners, landlords, and service technicians

  • Access to OEM-quality refrigeration system components

Buyer Confidence & Assurance

  • Authentic OEM Whirlpool component

  • Designed for sealed system reliability and safety

  • Ensures proper refrigerant line integrity when installed correctly

  • Expert support available to confirm compatibility before purchase

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