12V Diesel Air Heater Glow Plug Kit – Replaces 252069011300 252069100102 – Includes Filter and Gaskets – Fits Universal D2 D4 D4S-Type Heater Systems

Cold weather is a common cause of heater failure in diesel-powered vehicles, especially when essential components like glow plugs or filters become worn or clogged. The Boxonly 12V Glow Plug Service Kit delivers a complete and reliable solution for restoring ignition performance in universal D2, D4, and D4S-type diesel air heaters. This kit is engineered for both durability and DIY convenience, allowing vehicle owners to avoid costly OEM replacements while ensuring stable and efficient heating. Each kit contains a 12V glow plug (252069011300), a precision-fit strainer screen filter (252069100102), two essential gaskets (252069060001, 252069010003), and a glow plug removal tool. The glow plug is designed to operate at 8–9A current, providing fast preheat and stable combustion even in freezing temperatures. Tight-sealing gaskets and a high-quality filter help maintain clean fuel flow and prevent leaks, ensuring your heating system runs smoothly when you need it most. Installation is straightforward and DIY-friendly, making this kit a smart choice for seasonal maintenance, emergency repairs, or regular upkeep. All components are corrosion-resistant and built to withstand the demands of off-grid travel, commercial trucking, and extended RV use. This all-in-one solution eliminates the hassle of sourcing individual parts or dealing with incomplete third-party kits, saving you time and effort. Technical Specifications: Voltage: 12V Current: 8–9A Compatibility: D2, D4, D4S-type diesel air heaters Application: Bunk heaters in RVs, vans, trucks, and marine vehicles This kit is especially suited for owners of RVs, vans, commercial trucks, and boats who rely on stable and efficient diesel heating systems during winter or off-grid adventures. With Boxonly, you get a durable and reliable replacement solution that keeps your vehicle’s interior comfortable and your engine protected from cold-start stress. Note: This is an aftermarket product by Boxonly. It is not affiliated with or endorsed by any original equipment manufacturers. All part numbers and vehicle types are referenced strictly for compatibility guidance.

• 🔧 Vehicle Compatibility 🔧 – Compatible with Eberspacher Airtronic D2, D4, D4S diesel bunk heaters used in RVs, trucks, and marine vehicles.
• 🧩 Complete Replacement Kit 🧩 – Includes glow plug (252069011300), screen filter (252069100102), two gaskets, and removal tool—everything in one set.
• ⚙️ Stable Heating Performance ⚙️ – Supports 8–9A current at 12V for consistent ignition and combustion, even in harsh winter conditions.
• 🛠️ One DIY-Friendly Solution 🛠️ – Ideal for diesel heater owners looking for an affordable, easy-to-install alternative to OEM parts.
• 🚚 Durable & Reliable Build 🚚 – Corrosion-resistant components ensure long-lasting performance in off-grid vehicles, commercial trucks, and camper vans.