Description
Product Overview
The Copgge Diesel Heater Glow Plug Service Kit is engineered for the demanding environments of diesel‑powered heating systems. Featuring a 12V 85‑95W silicon nitride ceramic glow plug, the kit delivers rapid ignition and superior thermal shock resistance, ensuring consistent performance even in sub‑zero temperatures. The plug’s high wattage density translates to efficient heat generation, reducing warm‑up time and improving overall heater efficiency. Packaged in a compact 6.3 × 4.33 × 1.26 inch box and weighing just 4.6 ounces, the kit includes all necessary components for a hassle‑free replacement.
Usage
This glow plug kit is specifically compatible with Eberspacher Airtronic D2, D4 and D4S diesel heaters, making it a perfect fit for recreational vehicles, commercial trucks, and marine vessels. Whether you are upgrading an aging system or restoring a heater after a failure, the kit’s straightforward installation process allows technicians and DIY enthusiasts alike to replace the plug within minutes. The robust ceramic construction tolerates rapid temperature changes, making it ideal for high‑altitude travel, winter camping, and any scenario where reliable cabin heat is critical.

Why Choose Us
Copgge stands out for its commitment to quality and precision engineering. Each glow plug undergoes rigorous testing for thermal endurance and chemical resistance, guaranteeing long‑term durability. The use of silicon nitride ceramic provides a unique combination of high temperature strength and low thermal expansion, reducing the risk of cracking under repeated heating cycles. Backed by a 4.7‑star rating from verified customers, this kit has proven its reliability across thousands of installations. Additionally, Copgge offers responsive after‑sales support and a clear warranty, ensuring peace of mind for every purchase.
Key Features
- 12V 85‑95W silicon nitride ceramic plug for fast, reliable ignition
- Excellent thermal shock resistance and high temperature strength
- High wattage density delivers efficient heat output and reduced warm‑up time
- Direct fit for Eberspacher Airtronic D2, D4 and D4S models (OEM 252069011300)
- Easy aftermarket installation with all necessary hardware included
FAQ
Is this kit compatible with all Airtronic heater models?
Yes, the kit is designed to replace the glow plug in Eberspacher Airtronic D2, D4 and D4S heaters, matching the OEM part number 252069011300.
Can I install the plug myself without professional tools?
The kit includes a plug and basic mounting hardware, allowing most users to complete the replacement with standard hand tools in under 15 minutes.
What benefits does silicon nitride ceramic provide?
Silicon nitride offers superior thermal shock resistance, high temperature strength, and chemical stability, resulting in a longer‑lasting plug that maintains performance under rapid heating cycles.
How does this plug improve heater performance?
Its high wattage density ensures quicker ignition and more efficient heat generation, reducing the time needed to reach comfortable cabin temperatures.
Is there a warranty on this product?
Copgge provides a one‑year limited warranty covering manufacturing defects, and their customer service team is available for technical assistance.




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