The Dometic J-Pump Body Kit is the core component for water and waste system circulation in your RV. This replacement kit restores full pumping capability when your original pump body becomes worn, damaged, or fails to maintain pressure. Essential for RV owners who rely on functional freshwater delivery and waste tank management.
Key Features
- Complete pump body assembly for Dometic water and waste systems
- Direct replacement for original OEM Dometic J-Pump units
- Durable construction designed for RV freshwater and gray/black tank circulation
- Restores consistent water pressure throughout your RV plumbing system
- Compatible with standard 12V RV electrical systems
- Includes all necessary internal components for immediate installation
Technical Specifications
| Part Number | 385311227 |
| Pump Type | J-Pump Body Kit |
| Application | Freshwater and Waste System Circulation |
| Voltage | 12V DC |
| Manufacturer | Dometic |
| Component Type | Pump Body Assembly |
Frequently Asked Questions
Q: How do I know if my J-Pump body needs replacement?
A: Signs include loss of water pressure, pump running but no water flow, visible cracks or leaks from the pump housing, or pump cycling on and off frequently. If your pump motor runs but water doesn't flow, the body kit is likely your solution.
Q: Can I install this kit myself?
A: Yes, the J-Pump Body Kit is designed for DIY replacement. You'll need basic tools and access to your RV's water system. Detailed installation instructions are typically included. If you're uncomfortable working with water systems, professional installation is recommended.
Q: Will this work with my existing Dometic pump motor?
A: The J-Pump Body Kit is engineered to integrate with standard Dometic 12V pump motors. Verify your current pump model before ordering to ensure compatibility with your specific RV system configuration.
Why Elkhart RV Parts
We specialize in hard-to-find Dometic replacement parts, shipping directly from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM Dometic stock, backed by expert support to help you identify and install the exact component your RV needs.
| Brand | Dometic |
|---|---|
| Part number | 385311227 |
| Product type | Pump Body Kit |
| System type | Water/Waste Pump |
| Compatible systems | Dometic HyperFreshSealandVacuflush |
| Pump assembly type | J-Pump |
| Part category | OEM Replacement |
| Dimensions | 9" x 9" x 9" |
| Weight | 1.17 lbs |
| Application | RV Water and Waste Systems |
| Condition | New |
| Intended use | Pump body replacementRestoring pump functionalityCracked or worn pump body replacement |
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.