Product Description
BA-921 CAT AIR BRAKE COMPRESSOR (REMANUFACTURED – EXTERNAL OIL RETURN)
PART NUMBER(S):
Fleet Products: 5014428X (Remanufactured) | OE: 5014428
DESCRIPTION:
Model: BA-921
Vehicles: CAT C11 / C13 Engine Platforms
• Engine-driven compressor with external oil return system
• Dual-cooled (air + water) for high-temperature engine environments
• Top-mounted air inlet and side-mounted air outlet
• 42-tooth drive gear
• Includes installation gaskets and O-rings
Applications:
Designed for Caterpillar-powered HEAVY DUTY commercial trucks and construction equipment operating with C11 or C13 engine platforms. Features external oil return and integrated oil pump for reliable lubrication and long compressor life.
CROSS-REFERENCE(S):
046255014428X, 0R-1623, 0R1623, 165-179-9213, 1651799213, 170.AC5014428, 170AC5014428, 20R-0177, 20R0177, 222-2900, 2222900, 223-3636, 2233636, 253-1736, 2531736, 254-3853, 2543853, 255-4160, 2554160, 2N-1287, 2N1287, 353-7136, 3537136, 385-0936, 3850936, 5.0144E 006, 5011441, 5011441X, 5012459, 5012464, 5012510, 5013058X, 5014177, 5014180, 5014235, 5014236, 5014401, 5014401X, 5014402, 5014402X, 5014427, 5014427X, 5014428, 5014428BXR, 5396-5014428X, 701175AT, 767653327884, 801465, 801798, 801826, ABP N13AC20R0177, BAR5014428, BC1-25555, BW5014428, BWR5014428, BX5014428X, EBN5014428X, HVG5014428X, K048938, K048939, K048940, K056647, K056647BXR, K056647X, K056649, K066811, K066831, K066837, MID5014428X, R9555014428X, R9555014428X., T-5011432, T5011432, VMX1007105, VMX1010226, ZZ5014428X
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:
✔ External oil return – verify correct routing to avoid leaks
✔ Includes gaskets and O-rings – install new to prevent air loss
✔ Confirm port orientation from rear view during installation
✔ Use clean fittings and flush lines prior to install
✔ Verify engine compatibility (Caterpillar C11 / C13)
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
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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