Buy Caterpillar 7W6878 - GUIDE-VALVE at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:- ENGINE - TRUCK Compatible Models:- 3176- 3176B Units Containing The Spare Part :- 1012067 CYLINDER HEAD GP*R (75)- 1012066 CYLINDER HEAD AS (75)- 7E-0582 CYLINDER HEAD AS (3176)- 9Y-2760 CYLINDER HEAD GP (3176)- 4P-7269 CYLINDER HEAD AS (3176)- 4P-7268 CYLINDER HEAD GP (3176)- 101-2067 CYLINDER HEAD GP (3176)- 101-2066 CYLINDER HEAD AS (3176B)