COLLAR 6B4978 - Caterpillar

Electric Power Generation:
C175-16 (S/N: WYB1-UP)
Engine:
C175-16 (S/N: P6L1-UP; R1X1-UP)
C175-20 (S/N: BXR1-UP)
Engine News SEBD9892, 21 August 2013, "A New Water Elbow Is Used on Certain C175 Commercial Engines". Disregard the previous article, the effectivity has been updated.Description of Change: The new elbow has more clearance with the high-pressure fuel line to allow better access to the tube clamp bolt.Adaptable To: The new 421-1875 Elbow replaces the 255-4438 Elbow in the above engines.The former 255-4438 Elbow is canceled.The new 421-1875 Elbow is adaptable to the above engines back to first production. Effectivity is listed in Table 1.
Table 1
Effectivity    
S/N:BXR01026-UP    
S/N:P6L01031-UP    
S/N:R1X00100-UP    
S/N:WYB01428-UP    
Illustration 1 g03386859
(1) 421-1875 Elbow