In cold weather, a working diesel heater is essential for comfort and functionality in RVs, trucks, and off-grid setups. When ignition fails, timely replacement of the glow plug is crucial. The Boxonly Glow Plug Tool Kit provides a reliable OE-style solution designed for quick repair and long-term performance. This 12V heater glow plug kit is built for DIY users and repair technicians seeking efficiency, compatibility, and value. It restores proper ignition and includes a dedicated tool for smooth removal and installation—saving time and effort. Users benefit from faster start-up, restored heater performance, and peace of mind in winter conditions. It eliminates compatibility concerns by matching OE# 252069011300 and supporting a wide range of Airtronic models. Package Includes: 1 × Glow Plug 1 × Removal Tool Product Parameters: Voltage: 12V OE Number: 252069011300 Item Weight: 1.68 oz Package Size: 5.79 × 5.04 × 1.3 in Compatible Models and Year Range: Eberspacher Airtronic B4 (2018) Eberspacher Airtronic D2 (2018) Eberspacher Airtronic D3 (2019) Eberspacher Airtronic D4 (2020) Eberspacher Airtronic D4S (2021) Eberspacher Airtronic D4 Plus (2022) Airtronic D2 Camper / D4 Plus Camper+ (Various Years) This kit is trusted by mechanics, RV users, and vehicle owners who demand reliable glow plug tool replacements before cold sets in.