Its face side which is averted from the glow plug shaft, therefore, protrudes beyond {HEAD ~ the free end} of {TAIL ~ the glow rod} and is pressed onto the face of the filter body 
of
Its face side which is averted from the glow plug shaft , therefore , protrudes beyond { HEAD ~ the free end } of { TAIL ~ the glow rod } and is pressed onto the face of the filter body
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH