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LP3997X - BA-921 Compressor - Side Mount

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SKU:
LP3997X
Condition:
Refurbished
Availability:
Call 877-243-0442 for pricing. Mention code WEB1

Product Description

LP3997X – BA-921 SIDE MOUNT COMPRESSOR


PART NUMBER(S):
Fleet Products: LP3997X (Remanufactured) | Haldex: 5018485X | Bendix: 5012533X


DESCRIPTION:

Model: BA-921 Side Mount Compressor
Vehicles: Heavy trucks, semi trucks, 18 wheelers, commercial trucks, Navistar, Caterpillar, International MaxxForce
• Mounting Type: Side Mount (Engine Block Face)
• Cooling: Water Cooled Cylinder Head, Air Cooled Crankcase
• Cylinder: Single
• Piston Diameter: 3.622 in. (92 mm)
• Stroke: 2.126 in. (54 mm)
• Rated Displacement: 15.8 CFM @ 1250 RPM
• Flow @ 1800 RPM & 120 PSI: 11.6 CFM
• Flow @ 3000 RPM & 120 PSI: 16.5 CFM
• Air Inlet Port: 1 3/16"-12 UN-2B (Aluminum Head) / M27x2-6g (Cast Iron Head)
• Air Delivery Port: 7/8"-14 UNF-2B (Aluminum Head) / M22x1.5-6g (Cast Iron Head)
• Water Port: 3/4"-16 UNF-2B (Aluminum Head) / M18x1.5-6g (Cast Iron Head)
• Unloader Port: 1/8" NPTF
• Minimum Coolant Flow: 1.5 gal/min (max RPM)
• Maximum Inlet Air Temperature: 170°F (Standard), 250°F (Closed Room Version)
• Maximum Discharge Air Temperature: 400°F

Applications:
The LP3997X – BA-921 Side Mount Compressor is engineered for air brake systems in heavy-duty vehicles such as semi-trucks, 18-wheelers, and commercial trucks. Specifically designed for Navistar, Caterpillar, and International MaxxForce engines, it ensures reliable air pressurization for brake actuation. It features a side mount configuration, water-cooled cylinder head, and special crankcase for ETECH block clearance.


CROSS-REFERENCE(S):
K028383X, K028383, 3624499C91, 3624499, K3997, BXK237295SC, 702020AT, K237295SC, 5002868X, 107004, 107510, 5002868, 107510X

A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.


IMPORTANT INSTALLATION NOTES:
✔ Built to OEM standards, thoroughly cleaned, inspected, and tested for durability and reliability.
✔ Core return required for remanufactured units.
✔ Install according to specified mounting, air inlet, and outlet configurations.
✔ Torque the cylinder head, unloader cap, governor adapter, and other fittings to the specified values (refer to service data for torque values).
✔ For installation guidance or fitment confirmation, call Fleet Products technical support at 1-877-243-0442.


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 | 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.