Description
BA-921 DETROIT "CERTIFIED REMANUFACTURED" AIR BRAKE COMPRESSOR – DD13 / DD15 DDC 2010 HDEP — Closed Room Head
PART NUMBER(S):
Fleet Products: K035912X (Remanufactured) | Bendix OE: K034111 | Bendix Service: K035911 | Bendix Reman: K035912, K034111, K035911, 4721302515, K095125, RA0011307215, RA4711302515, S-37121
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Detroit Diesel / Mercedes:
0011307215, A0011305315, A0011307215, A4711300215, A4711301715, A4711302515, EA4711300215, EA4711301715, EA4711302515, RA4711300215, RA4711301715, RA4711302515. -
WABCO compressor references:
4711300215, 4711301715, 4711302515. -
Bendix:
K034111, K035911, K035912, K035912X, K095125, K095125X, K095731, RK095125.
DESCRIPTION:
Model: BA-921 DDC 2010 HDEP — Closed Room Head
Vehicles: Freightliner / Western Star (2010 EPA Detroit DD13 and DD15 engines.)
• Air Inlet: Top mount 1 3/8" inlet tube
• Air Outlet: Top-mounted
• Exhaust Port: M26 x 1.5
• Coolant Ports: M18 x 1.5
• Thru-Drive: Yes – accessory mounting capable
• EPA Cert: 2010+ compliant Detroit Diesel engines
- Cylinders: 1
- Bore x Stroke: 3.622 in x 2.126 in
- Displacement @1250 RPM: 15.8 CFM
- Flow @1800 RPM /120 PSI: 11.6 CFM
- Flow @3000 RPM /120 PSI: 16.5 CFM
- HP @1800 RPM /120 PSIG: 4.6 HP (loaded) / 0.8 HP (unloaded)
- Min Coolant Flow @Max RPM: 1.5 gpm
- Oil Pressure (min): 15 PSI
- Governor Cut-Out (min): 120 PSI
- Unloader Line: 3/16 in ID
- Temp Range: 170°F inlet / 400°F discharge
Port Sizes & Required Torque
- Cylinder Head (M8): 265–292 in-lb
- Governor Adapter (M8): 195–213 in-lb
- Rear End Cover (M10): 195–213 in-lb
- Inlet Port Fitting (M27x2): 991–1089 in-lb
- Discharge Port Fitting (M22x1.5): 814–912 in-lb
- Water Port Fitting (M18x1.5): 593–637 in-lb
- Oil Port (7/16-16 UNF): 150–170 in-lb
- Unloader Port (1/8-27 NPT): 2–3 turns from finger tight
• Application-specific for Detroit DD13 and DD15 series engines
Applications:
Purpose-built for Detroit Diesel DD13 and DD15 engines used in Class 8 vehicles. Suitable for long-haul trucks, vocational units, and fleet-service highway tractors. Integrated thru-drive allows additional accessory mounts. Meets emissions requirements for post-2010 EPA standards.
CROSS-REFERENCE(S):
1100.330.001, 1100330001, 1100-330-001, 1651790017, 165-179-0017, 4711300215, 4711301715, 4711302515, 701296AT, 0011307215, A0011305315, A0011307215, A4711300215, A4711301715, A4711302515, EA0011307215, EA4711300215, EA4711301715, EA4711302515, RA0011307215, RA4711300215, RA4711301715, RA4711302515, DDEA0011307215, DDEA4711302515, DDEEA4711302515, DDE-EA4711302515, DDE-RA4711302515, DDE-RA4711300215, DDE-EA4711301715, DDE RA4711301715, K034111, K035911, K035912, K035912X, K095125, K095125X, K095731, 170.ACK035912, HDX-K035912X, MD K035912X, MD K035912XRR, S-37121, RK095125.
A cross-reference listing means this part should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
- Maintain minimum 1.5 gpm coolant flow.
- Ensure external oil supply line is connected for single piston applications.
- Verify air and coolant fittings are properly sealed before startup.
- Drain air reservoirs before servicing air brake components.
- Verify all fasteners are torqued to specification before returning vehicle to service.
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
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Warranty Information
