Borg Warner 8374

Turbo Features
• Gamma-Ti turbine wheel
• Dual ceramic ball bearing assembly with metal cage
• Forged milled extended tip compressor wheel
• Stainless steel turbine housing
• Water cooled bearing housing
• Large internal wastegate
• Compressor recirculation valve (a.k.a BOV)
• Boost control solenoid valve
• Standard T3 mounting flange2380
 
  
   
    
Turbo
 Part Number
    
Turbo
 Frame Size
    
Super Core
 Part Number
    
Comp. Wheel
 Outer Dia. (mm)
    
Comp. Wheel
 Inducer Dia.
    
Turbine Wheel
 Outer Dia.
    
Turbo A/R
    
Inlet Flange
 Config.
   
   
   
  
  
   
    
179258    
    
B2         
    
179257    
    
83                
    
62             
    
 74            
    
0.83      
    
T3          
   
  
 
 
  
   
    
 
Turbine Housing Part Number
 
    
A/R
    
Inlet Flange Shape
    
Housing Config.
   
   
    
 
12741019002
 
    
 
1.05
 
    
 
T4
 
    
 
Twin Scroll Non-WG
 
   
  
 
 
Not included with turbo assemblies:
• Speed sensor
• Turbine outlet V-Band
• Turbine inlet gasket
• Oil drain gasket or drain port fitting
Super Core Configuration
The following parts are not included as part of the super-core assembly:
turbine housing, assembly clamp plate hardware, wastegate parts