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				1986 300e sending units on the head?
			 
			
			I used to know this, but can't remember at this moment. On the cylinder head there are two sending units: one with a red collar (smaller diameter) and one with a green collar (larger diameter). What are these? Thanks, AL 
				__________________ 03 CLK430 Cabrio 211K Pweter Silver/ Oyster Leather 90 300SEL 214k Pearl Black/ Alto Grey/Black Leather Prior: 85 190E, 88 300TE, 89 300TE, 90 300E 2.6, 90 300TE, 92 300E 2.6, 91 and 93 300SL, 87 Ferrari Mondial Cabrio | 
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