The expansion valve is a critical component in your Dometic RV air conditioning system that regulates refrigerant flow to maintain optimal cooling performance. This OEM replacement valve is designed specifically for R134A refrigerant systems and fits Dometic KRA038 units. If your RV AC is running inefficiently, not cooling properly, or you're experiencing temperature fluctuations, a faulty expansion valve is often the culprit.
Key Features
- OEM Dometic replacement part for guaranteed compatibility
- Designed for R134A refrigerant systems
- Fits Dometic KRA038 air conditioning units
- Regulates refrigerant flow for consistent cooling performance
- Direct replacement — no modifications required
- Essential for maintaining proper AC system pressure and temperature control
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 290000131 |
| Refrigerant Type | R134A |
| Compatible Models | Dometic KRA038 |
| Component Type | Expansion Valve |
Frequently Asked Questions
How do I know if my expansion valve needs replacement?
Common signs include uneven cooling, the AC compressor cycling on and off frequently, frost buildup on refrigerant lines, or your RV not cooling to the set temperature. A professional diagnosis is recommended, but if you've confirmed the valve is faulty, this OEM replacement will restore proper function.
Is this a direct replacement for my KRA038 unit?
Yes, this is an OEM Dometic part designed as a direct replacement for the KRA038 expansion valve. No modifications or additional components are needed for installation.
Can I install this myself, or do I need a technician?
Expansion valve replacement requires refrigerant system knowledge and proper evacuation/recharge procedures. We recommend having a certified RV technician or air conditioning specialist perform the installation to ensure your system is properly sealed and charged.
Why Choose Elkhart RV Parts
We specialize in hard-to-find Dometic RV replacement parts and ship directly from Elkhart, Indiana — the RV capital of the world. Every part we sell is genuine OEM Dometic equipment backed by our expert support team. When you need the exact replacement part for your RV, we have it in stock and ready to ship.
| Brand | Dometic |
|---|---|
| Product type | Expansion Valve |
| Part number | 290000131 |
| Compatible models | KRA038 |
| Refrigerant type | R134A |
| Valve rating | 0.28T |
| Operating temperature range | -40°F to +50°F |
| Part category | OEM Replacement |
| Application | RV Air Conditioning Systems |
| Condition | New |
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.