Eberspacher Hydronic Service Kit – Glow Plug, Strainer & Gaskets

Eberspacher Hydronic Parking Heater Service Kit – Glow Plug, Strainer & Gaskets

Keep your diesel parking heater running at peak performance with this comprehensive service kit, designed as a direct replacement for Eberspacher Hydronic D4WS, D5WZ, D5WS, and D5WSC models. Whether you're doing routine maintenance or replacing worn components, this all-in-one kit gives you everything you need to restore reliable ignition, proper fuel flow, and leak-free sealing — all in a single package.

Made in China.

What's in the Kit?

• 1x Glow Plug (OEM: 252106011000) – Silicon nitride ceramic glow plug rated at 8V / 8–9A. Rapidly gasifies and ignites fuel for fast, dependable cold-weather starts.
• 1x Glow Plug Strainer – Filters debris from the fuel supply to the glow plug, protecting ignition components and extending service life.
• 1x Burner Gasket – Creates a secure, heat-resistant seal around the burner chamber to prevent exhaust leaks and maintain combustion efficiency.
• 1x Motor Gasket – Ensures a tight seal at the motor housing, preventing fuel or air ingress that could affect heater performance.

Key Features

• ✅ Direct OEM Replacement – Engineered to match original Eberspacher specifications for a hassle-free, plug-and-play fit
• ✅ Premium Materials – Constructed from ceramic, durable plastic, and metal for long-lasting performance under demanding conditions
• ✅ Fast Cold-Weather Ignition – Silicon nitride heating element rapidly raises fuel temperature so your cabin warms up quickly, even at idle
• ✅ Easy to Install & Remove – Simple, straightforward design means no special tools required for most service procedures
• ✅ Complete Value Kit – Save time and money by replacing all common wear items in one service visit

Technical Specifications

Compatible With

This service kit is compatible with the following Eberspacher Hydronic water heater models:

• Eberspacher Hydronic D4WS
• Eberspacher Hydronic D5WZ
• Eberspacher Hydronic D5WS
• Eberspacher Hydronic D5WSC

Package Contents

• 1x Glow Plug
• 1x Glow Plug Strainer
• 1x Burner Gasket
• 1x Motor Gasket

For general information on vehicle heating systems and cold-weather safety, visit the CDC Cold Stress Resource. For consumer product safety guidance, see the U.S. Consumer Product Safety Commission (CPSC).

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Frequently Asked Questions

Q: Which Eberspacher Hydronic models is this parking heater service kit compatible with?

A: This service kit is designed as a direct replacement for Eberspacher Hydronic D4WS, D5WZ, D5WS, and D5WSC diesel parking heaters. Always verify your heater's model number before ordering to ensure compatibility.

Q: What does this Eberspacher parking heater service kit include?

A: The kit includes one silicon nitride ceramic glow plug (OEM# 252106011000), one glow plug strainer, one burner gasket, and one motor gasket — covering the most common wear items serviced during a routine parking heater maintenance.

Q: What is the glow plug voltage and current rating for this kit?

A: The included glow plug is rated at 8V with a current draw of 8–9A. The overall heater system this kit is designed for operates on a standard 12V vehicle electrical system.

Q: Is this a genuine Eberspacher part or an aftermarket replacement?

A: This is a high-quality aftermarket replacement part engineered to match original Eberspacher OEM specifications. It is not an official Eberspacher branded product, but is designed for direct fitment and reliable performance.

Q: How difficult is it to install this parking heater service kit?

A: The kit is designed for easy installation and removal. Most users with basic mechanical knowledge and standard tools can complete the service. If you are unfamiliar with parking heater maintenance, consulting a qualified technician is recommended.