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| Part Name | Air Fuel Control Tube |
| Manufacturer | Cummins |
| Material | Steel |
| Function | Regulates air-fuel mixture via boost pressure signal |
| Weight | 0.19 lb (0.086 kg) |
| Package Dimensions | 12.25 x 1.875 x 1.75 in (31.1 x 4.8 x 4.4 cm) |
| Hazardous Material Classification | Non-Hazardous |
| Connection Type | Flare Fitting / Compression |
| Applications | Fuel Injection Pump AFC Circuit |
Manufacturer No.
3933544
OEM Part No.
3933544
Engine Part No.
Cummins NTA855Cummins NTA855-D(M)Cummins 4BTCummins 6BT
Fitment Vehicles
Heavy-Duty TrucksIndustrial EquipmentConstruction MachineryMarine Auxiliary Engines
Engine System - Industrial Encyclopedia
Genuine Cummins 3933544 air fuel control tube regulates air-fuel mixture for NTA855 and 4BT diesel engines. OEM replacement ensures precise fuel metering and emissions compliance.