Refrigerator Refrigerant Line Leaking or Disconnected? Lokring Brass Connector L13000592 – Fix Suction Line Fast
A refrigerant line that has cracked, kinked, or pulled apart at a joint will cause your refrigerator to stop cooling entirely — and a Lokring connector is the professional standard for a permanent, no-solder repair. In most Samsung, Whirlpool, and GE refrigerators, the suction line or liquid line connection fails at a brazed or factory-crimped joint due to vibration, corrosion, or accidental damage during service. When it fails, refrigerant escapes, the compressor runs continuously, and the fridge warms up. ⚡ Common failure point in refrigerators with copper or aluminum refrigerant tubing. Part L13000592 is the genuine Lokring straight brass connector — 8mm × 8mm, 5/16″ OD — that creates a leak-proof mechanical crimp joint without brazing, torches, or refrigerant recovery equipment.
❓ Is This the Right Part?
This is the correct fix if ALL of the following are true:
- ✔ Your refrigerator has confirmed refrigerant loss — compressor runs but fridge won’t cool
- ✔ The leak is located at a suction or liquid line joint — not at the compressor or evaporator
- ✔ The tubing OD at the repair point is 5/16″ (8mm) on both sides
- ✔ You have access to a Lokring installation tool for proper crimp force
- ✔ ONLY problem is a disconnected, cracked, or leaking straight refrigerant line section
Not sure? Send us your model number — we’ll confirm before you order.
🔧 Common Symptoms
- Refrigerator not cooling — most common search: “refrigerator running but not cold”
- Compressor runs continuously without cycling off
- Frost buildup on evaporator but warm fridge and freezer compartments
- Visible oil staining or residue at a refrigerant line joint
- Refrigerant leak confirmed by UV dye or electronic leak detector at line connection
- Refrigerator recently serviced and line was disturbed or kinked during repair
✔ If these symptoms match, this is the most likely failed component in the system.
✔ In most cases, installing this Lokring connector restores a permanent leak-free joint without brazing.
📦 Part Details
- Part Number: L13000592
- Type: Lokring Straight Brass Connector — 8mm × 8mm (5/16″ OD), No-Braze Mechanical Crimp
- Replaces: OEM direct-fit connector — supersedes DA81-06417A, W10891056, WR97X10021, W11506619, W10896690 (no modification required)
- Brands: Samsung, Whirlpool, Maytag, GE, LG (suction line applications)
A Lokring installation tool is required to achieve the correct crimp force — hand-tightening will not create a leak-proof seal. If you’re repairing a line that was kinked or damaged over a longer section, also check whether an elbow or reducer connector is needed at the same time to avoid a second service call.
⚙️ Installation
Skill Level: Advanced — Certified Technician Recommended. Recover all refrigerant before cutting the line — never vent refrigerant to atmosphere. Cut the damaged section cleanly with a tubing cutter, deburr both ends, and slide the Lokring connector L13000592 onto the tubing. Use the Lokring installation tool to crimp both ends to the specified force — do not substitute with pliers or generic crimpers. Pressure-test the joint before recharging the system and verify zero leak with a detector before returning the refrigerator to service.
💡 Pro Tip
The Lokring system is engineered for a specific crimp geometry that cannot be replicated with standard crimpers. Using the wrong tool produces a joint that appears sealed but will leak under operating pressure within days. If you don’t have the Lokring tool, rent or borrow one — it’s the difference between a permanent repair and a callback.
Model hub pages: RF28HMEDBSR, RF28HFEDTSR, RF263BEAESR, WRS325SDHZ, WRS571CIHZ, WRF535SWHZ, GFE26JSMSS, GNE29GGKBB, GFE28GYNFS
✓ Model-Specific Repair Pages
✅Compatibility & Cross Reference
Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.
Buy Online Pick Up In-Store
Kitchener, Ontario N2E 1W8
- Choosing a selection results in a full page refresh.
