Manufactured to restore your vehicle’s ignition system Designed with your specific vehicle in mind. $79.44. Bosch® Diesel Glow Plug. 0. # 4958849178. Audi Q7 2014, Diesel Glow Plug by Bosch®. Bosch Glow Plugs are critical for starting up a diesel engine.
5 Post (s) Re: Tips on changing a 1.9 TDi glow plug – 22-04-2009, 09:23 PM. Disconnect battery, undo connections, unscrew plug. Take care with plug. Can be tight and you don't want one to snap. They are not that expensive. Why not just replace all four. 1 0 0. Re: Tips on changing a 1.9 TDi glow plug.