COVER AS 2689710 - Caterpillar

Table 2
Cylinder Head Component Reference For Standard G3500 Series Engines    
Component    Standard
(Quiescent)    Standard
(Swirl)    Standard
(Swirl)    Standard
(Large Swirl)
(1500 and 1800 RPM)    
Reference Top Level
Cylinder Head Groups (1)     4P-6569     128-1143     122-5943     153-8399    
Type Of Exhaust Manifold     Wet Manifold     Dry Manifold     Dry Manifold     Dry Manifold    
Basic Cylinder Head Group (2)     4P-6570     128-1142     122-5945     153-8398    
Remanufactured
Basic Cylinder Head Group (2)     0R-3840 CRB 0R-7737     0R-9390 CRB 0R-9267     0R-9267        
Upgrade-To-New
Basic Cylinder Head Group (2)         0R-9388 CRB 0R-9268     0R-9268        
Valve Seat Inserts (Intake)     6I-1713
110-7726 (0.127 mm OS)
110-7727 (0.254 mm OS)     122-5963
158-8036 (0.127 mm OS)
158-8037 (0.254 mm OS)     153-8396
158-8045 (0.127 mm OS)
158-8046 (0.254 mm OS)    
Valve Seat Inserts (Exhaust)     6I-1713
110-7726 (0.127 mm OS)
110-7727 (0.254 mm OS)    
Valves (Intake and Exhaust)     104-7184    
Rotocoil Assembly     133-3814    
Valve Guides (Intake)     9Y-1847
110-7627 (0.14 mm OS)     184-5495    
Valve Guides (Exhaust)     9Y-1846
110-7626 (0.14 mm OS)     184-5494    
Valve Stem Seal     None    
( 1 ) This group is not available for parts service. This group includes the basic cylinder head group, the head bolts, the head gaskets, and the water ferrules.
( 2 ) This group is available for parts service. This group includes the cylinder head assembly, the valves, the valve springs, and the rotocoil assembly.