4318217 | Genuine Cummins® Single Cylinder Air Brake Compressor for ISX and QSX engines

SKU: 4318217 MPN: 4318217

Take control of your engine’s air flow with the Genuine New Air Brake Compressor. Brand: Cummins. Part number: 4318217. This water-cooled single-cylinder unit delivers 318 cm³ per stroke and fits ISX and QSX engines.

$1,599.00
No Core Charge
8 in stock, ready to ship

Pickup available at Warehouse - Howard st 7092 ste F

Usually ready in 24 hours

Need it fast? We offer overnight shipping

Contact us to check if overnight next-day delivery is available for your order - PN: 4318217

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    Orders before 7 PM EST ship same business day
  • Location icon, warehouse pickup point.
    Pickup available. Usually ready in 24 hours

Product Description

Product Name Air Brake Compressor Product Name Air Brake Compressor
Type Single Cylinder Type Single Cylinder
Brand Cummins® Brand Cummins®
Condition New Condition New
Part Number 4318217 Part Number 4318217
Engine Compatibility
Cummins ISX, QSX Cummins ISX, QSX
Specifications
Cooling Water Cooling Water
Crankshaft thread M20 x 1.5 Crankshaft thread M20 x 1.5
Lubrication Lubrication supplied from engine Lubrication Lubrication supplied from engine
Max. operating pressure 145.0 psi Max. operating pressure 145.0 psi
Mounting Mounting Flange Mounting Mounting Flange
Operating speed 3000 (1/min) Operating speed 3000 (1/min)
Piston diameter 3.35 in Piston diameter 3.35 in
Piston stroke 2.20 in Piston stroke 2.20 in
Port thread 0 0.81 in Port thread 0 0.81 in
Port thread 2 M27 x 2 Port thread 2 M27 x 2
Port thread 4 M10 x 1.0 Port thread 4 M10 x 1.0
Port thread 8.1 Ø 0.32 in Port thread 8.1 Ø 0.32 in
Port thread 9 M18 x 1.5 Port thread 9 M18 x 1.5
Port thread 9.1 M18 x 1.5 Port thread 9.1 M18 x 1.5
Port thread 9.2 M18 x 1.5 Port thread 9.2 M18 x 1.5
Swept volume (cm³) 318 cm3 Swept volume (cm³) 318 cm3
Temperature range -30°C to +90°C Temperature range -30°C to +90°C

Useful Information

Description and Purpose:

This Genuine Cummins Air Brake Compressor, new condition, is supplied under Part number: 4318217. Designed for ISX and QSX engines, it features a single-cylinder design, water cooling, and engine-supplied lubrication, delivering consistent pressure for reliable brake and auxiliary system performance.

Why Replacement is Important:

Replacing a worn or failing compressor is critical to maintaining air pressure stability, preventing brake malfunctions, and ensuring safety.

Impact on Vehicle Performance:

Provides consistent braking response, keeps air-operated systems fully functional, and ensures reliable vehicle operation under load.

Manufacturer Information:

Cummins® focuses on precision design and quality control to offer components that ensure stable engine performance, reliable operation, and extended service life.

Tags & Category: Air Brake Compressor, Cummins, Single Cylinder, Cummins Air Compressor, Air Brake System, Heavy Duty Truck, Commercial Vehicle, Diesel Engine Component, Brake Air Supply, Truck Air Compressor, Pneumatic System

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.

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  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Mar 6
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: 4318217