PRESSURIZER GP-CAB 7G7818 - Caterpillar

Marine Engine:
3412C (S/N: 3JK1-UP; 60M1-UP)
Description of Change: A new plastic belt guard is available for the 3412C Marine engine. The steel belt guard that is used on the 3412C Marine engine can be replaced with a plastic belt guard which is used on the 3412E Marine engine. The new plastic belt guard will provide better durability and longer life than the steel guard.
Illustration 1 g00780697
(1) 6I-1845 Guard
Illustration 2 g00780699
(1) 144-4581 Guard
Table 1
Belt Guard    
Former Belt Guard Part Number     New Belt Guard Part Number    
6I-1845     144-4581    Adaptable To: The new 144-4581 Guard can be adapted to engines that were originally equipped with the 6I-1845 Guard. Refer to table 2 for the components that are needed to adapt the new 144-4581 Guard to the 3412C Marine engine.
Table 2
Required Parts List for Mounting the New Belt Guard    
Quantity     Part Number     Description    
1     7X-3186     Bolt    
1     7X-0289     Bolt    
2     4L-6459     Bolt    
6     5P-1075     Washer    
6     8R-8088     Spacer    
3     7W-9094     Spacer    
2     6V-8801     Nut    To install the 144-4581 Guard onto the 3412C engine, the top two existing mounting holes must be used. Spacers must be added between the new guard and the engine front cover