HOSE BK 5417117 - Caterpillar

(9LJ, 5PK),
312 (6GK, 7DK),
320 (7GJ, 8LK, 2DL, 8HL),
320 L (8HJ, 9KK, 1KL),
320 N (1XM) ExcavatorsReference: Service Magazine; January 24, 1994; Page 5; "New Water Temperature Regulator Improves Service Life". A new high temperature water regulator is now available for use in 311, 312, and 320 Excavators equipped with 3064/3066 Engines. The cooling system for these engines is factory equipped with a 71 °C (160 °F) water regulator. The new, optional regulator is rated at 82 °C (180 °F). This regulator is used to provide additional heat for the operators compartment in cold weather applications.
The new, optional 5I-8020 Regulator is a service repair part for the existing 5I-8010 and former 5I-7700 Regulators. This regulator is adaptable to 311 and 312 Excavators powered by the 3064 Engine and 320 Excavators powered by the 3066 Engine.