Product Description
BA-921 DETROIT "CERTIFIED REMANUFACTURED" AIR BRAKE COMPRESSOR – W/O-RING EAR | 1 3/4" INLET TUBE | DD13 / DD15 (2007 EPA)
PART NUMBER(S)
K031987X (Reman)
DESCRIPTION
- Compressor Type: Bendix BA-921 Twin-Cylinder
- Engine Compatibility: Detroit Diesel DD13 and DD15 (2007 EPA)
- Mounting Style: Flange Mount
- Cooling Method: Combination Water/Air Cooled
- Drive Type: Engine Driven
- Crankshaft Thread: M20 x 1.5
- Operating Speed: Up to 3,000 RPM
- Cylinder Configuration: Twin Cylinder
- Bore Diameter: 92.1 mm (3.62 in)
- Stroke: 56 mm (2.20 in)
- Swept Volume: 247 cm³
- Air Inlet Port: Top (1 3/4" inlet tube, no O-ring ear)
- Air Discharge Port: Top
- Governor Port Size: 1/8"-27 NPT
- Coolant Ports: M18 x 1.5
- Exhaust Port: M26 x 1.5
Designed for use in air brake systems of heavy trucks, semi trucks, and 18-wheelers equipped with Detroit Diesel DD13 and DD15 (2007 EPA) diesel engines.
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
CROSS-REFERENCE(S)
170.ACK031987, 710383AT, A4721300015, A4721300515, A4721300815, HDX K031987X, HDXK031987X, K020253, K020801, K031986, K031986SC, K031987, K031987X, K095124, K095740
A cross-reference listing means this compressor should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
>Use only approved installation gaskets and torque fasteners to OEM specifications
>Ensure coolant and air lines are flushed and free from debris before connecting
>Verify proper alignment and fitment of thru-drive components
>Replace governor and check for oil supply restrictions prior to startup
>This unit includes the drive gear and is ready to install
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, call 1-877-243-0442 or email sales@fleet-products.com .
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