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5012533N -*New* BA-921 CAT Compressor

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SKU:
5012533N
Condition:
New
Availability:
Call 877-243-0442 for pricing. Mention code WEB1

Product Description

BA-921 CAT AIR BRAKE COMPRESSOR – C15 / C18 ENGINE (NEW)


PART NUMBER(S):
Fleet Products: 5012533N (New) 5012533X (Reman)| OE: 5012533X, 10R9375, K020284


DESCRIPTION:

Model: BA-921
Vehicles: Caterpillar C15, C18 Engines (Also fits: C7, C9, C11, C13 – verify application)
• Type: Single-cylinder, single-stage, reciprocating air brake compressor
• Mounting: Flange
• Air Inlet: Top mount
• Air Outlet: Side mount
• Rated Displacement: 15.8 CFM @ 1250 RPM
• Cooling: Water-cooled cylinder head, air-cooled crankcase
• Cylinder Head: Cast iron or aluminum 
• Stroke: 54 mm
• Governor/Unloader Ports: Standard BA-921 configuration
• Valve Plate: Brazed steel with integrated air/coolant passages
• Weight: ~48–66 lbs 

Applications:
Designed for installation on Caterpillar C15 and C18 diesel engines in heavy-duty truck applications. Also suitable for Detroit Series 60 EGR engines (2002–2006) and other commercial platforms requiring flange-mounted BA-921 configuration compressors. Ideal for fleets operating in vocational, long-haul, or high-demand braking environments. Compatible with air brake systems requiring ST-4 safety valve (not included).


CROSS-REFERENCE(S):

5012533X, 5012533, 10R9375, 5011427, 801463, 5012532, 5012531, K020284, K048943, K066838, OR1624, R9555012533X, 20R0178, 20R0176, 223-3637

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:

✔ Confirm flange mount compatibility and air/water port alignment
✔ Use manufacturer torque specs and approved sealing gaskets
✔ Safety valve (ST-4) not included – install separately if required
✔ Replace or inspect governor and discharge line prior to install
✔ Fill coolant lines and torque all hydraulic fittings per OE specs


SOLD AS NEW

Brand New and ready to install , no core charges or reman processing required.

SUPPORT & ORDERING

For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com

WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?

  • Canadian-owned and operated since 1985
  • Trusted by fleets, mechanics, and B2B partners across North America
  • Fast, reliable shipping across North America
  • Competitive pricing with core return refunds
  • Price Match Guarantee | Find a better price? Well beat the difference by 10%!

Warranty Information

Fleet Products Ltd. and KBR offer a comprehensive warranty on new and remanufactured truck parts, guaranteeing freedom from defective materials and workmanship for up to 160,000 km (100,000 miles), 3,600 hours, or 12 months-whichever comes first. Off-highway components are covered for 90 days against defects. To claim warranty service on truck brake parts or other components, return the product within 30 days of discovering a defect for inspection. This warranty covers repair or replacement of defective parts, but excludes damages from improper installation, maintenance, or service, and does not cover incidental costs such as towing or downtime. This ensures reliable truck parts and peace of mind for commercial vehicle operators. Visit our warranty section on website for full warranty details and product-specific terms.