i put that part number into google and found this page:
http://www.ebay.co.u...0-/151229656503 (use chrome to translate into english) and it does says its for a 1.6tdci engine.
RUBBER HOSE, PIPE, HOSE air HOSE TURBINE INTERCOOLER HOSE - FORD FOCUS FORD FOCUS
FORD C-Max and C-Max 1.6 TDCi - NINE.
Parts of Replacement hose:
6M51-6K863 HB and 6M51-6K863-H A
6M51-6C646-WB, 6M51-6C646-WC, 6M51-6C646-WD and 6M51-6C646-BAA.
Cable (or hose, hose) adapted to the turbo intercooler system or compressor:
FORD FOCUS Mk2 years 07.2004. to 12.2007.
(all kinds of body)
FORD FOCUS MK2 FL years 01.2008 to 07.2011.
FORD FOCUS C-Max Mk1 years 06.2003. - To 03.2007.
FORD C-Max Mk1 years 03.2007. To 07.2010.
- Inner diameter at the ends: 45/48 mm
- Wall thickness: 4-5 mm
- Length (height): approximately 400 mm
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