Dometic Vacuum Brake/Water Valve Assembly - 12V - Part# 385312135

DometicSKU: 385312135
Added to catalog: March 11, 2026

Sale price$133.99
|
In stock (10 units), ready to be shipped
FREE Delivery Estimate April 22 – April 25
1-Hour Cancellation Window

1-Hour Cancellation Window

You'll have 1 hour after placing your order to update your shipping address or cancel completely.

After that, we begin coordinating with our vendors to fulfill your order — at that point, cancellations and address changes usually aren't possible.

If you're unsure about anything, please reach out before ordering or cancel within the window.

The Dometic vacuum brake/water valve assembly is a critical hydraulic component that manages both your RV's braking system and fresh water delivery. This 12V-powered valve assembly ensures reliable brake operation and precise water flow control, making it essential for safe towing and dependable water system performance on the road.

  • 12V electric solenoid-operated valve design for reliable performance
  • Vacuum-integrated brake system compatibility for safe stopping power
  • Dual-function assembly handles both brake actuation and water valve control
  • OEM Dometic engineering meets all RV safety standards
  • Direct replacement for original equipment on compatible models
  • Compact design fits standard RV plumbing and brake system layouts
Specification Details
Voltage 12V DC
Part Number 385312135
Manufacturer Dometic
Assembly Type Vacuum Brake/Water Valve
Operation Electric Solenoid

Frequently Asked Questions

Q: How do I know if my vacuum brake/water valve assembly needs replacement?
A: Signs include soft or unresponsive brakes, water flow issues, hissing sounds from the brake system, or the valve not responding to electrical commands. If your RV's brakes feel spongy or water delivery is inconsistent, this assembly may be failing.

Q: Will this part work with my specific RV model?
A: This OEM Dometic assembly is designed for RVs equipped with vacuum brake systems and Dometic water management components. We recommend verifying your current part number (385312135) matches before ordering to ensure compatibility with your exact model and year.

Q: Can I install this myself, or do I need professional help?
A: While experienced RV owners can handle installation, brake and water system work involves pressurized components and safety-critical systems. We recommend having a qualified RV technician perform the installation to ensure proper sealing, electrical connections, and system testing.

Why Choose Elkhart RV Parts

We specialize in hard-to-find Dometic replacement parts for RV owners who need genuine OEM components. Located in Elkhart, Indiana—the RV capital of the world—we ship authentic Dometic parts with expert support to help you identify and install the exact part your RV needs.

100% Authentic OEM Parts

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.

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