PUMP GP-HYD 20R2943 - Caterpillar

D3B Tractors, 931, 931B Loaders And 910 Loaders With Direct Injection EnginesTwo new PCV breather kits are available for use on the above machines. These kits will circulate crankcase fumes through the air intake to be burned during combustion. This will help eliminate visible blowby at the breather tube. The new 2W3540 PCV Breather Kit can be used on D3, D3B Tractors, 931, 931B Loaders and 910 Loaders with 3204 Engines (45V17160-45V39866). The new 7W332 PCV Breather Kit can be used on D3B Tractors, 931B Loaders and 910 Loaders with 3204 Engines (45V39867-Up). The 7W332 PCV Breather Kit is for use on machines that have the New Scroll Fuel System.
For installation of these kits, see Special Instruction, For SMHS8191.