5266300 | Genuine Cummins® Air Brake Compressor 1 Cylinder for ISB6.7, QSB6.7

SKU: 5266300 MPN: 5266300

Power through every stop with confidence using this Genuine Cummins Air Brake Compressor. Part number: 5266300. Condition: new. Fits ISB6.7 and QSB6.7 engines. Maintains consistent air pressure for reliable braking.

$1,689.00
No Core Charge
3 in stock

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Product Description

Product Name Air Brake Compressor Product Name Air Brake Compressor
Type Single-Cylinder Type Single-Cylinder
Condition New Condition New
Brand Cummins® Brand Cummins®
Part Number 5266300 Part Number 5266300
Interchange Part Number 5291453 Interchange Part Number 5291453
Engine Compatibility
Cummins ISB6.7, QSB6.7 Cummins ISB6.7, QSB6.7
Years 2008-2024 Years 2008-2024
Specifications
Calculated Volume (dm³) 21.155 Calculated Volume (dm³) 21.155
Cooling Water Cooling Water
Crankshaft thread Ø 34.92 mm Crankshaft thread Ø 34.92 mm
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 0.36 in Port thread 8.1 Ø 0.36 in
Port thread 9 3/4 Port thread 9 3/4
Port thread 9.1 3/4 Port thread 9.1 3/4
Port thread 9.2 3/4 Port thread 9.2 3/4
Swept volume (cm³) 318 cm³ Swept volume (cm³) 318 cm³
Temperature range -30°C to +90°C Temperature range -30°C to +90°C
Dimensions
Size (mm x mm x mm) 393.2 x 179.1 x 300.4 Size (mm x mm x mm) 393.2 x 179.1 x 300.4

Useful Information

Description and Purpose:

Identified by Part number: 5266300, this New Genuine Cummins Single-Cylinder Air Brake Compressor provides reliable air supply for ISB6.7 and QSB6.7 engines. With water cooling, mounting flange installation, and multiple port thread options including M27 x 2 and 3/4"-16 UNF, it ensures consistent braking performance under heavy-duty conditions. Designed for high operating speeds up to 3000 rpm and a maximum pressure of 145 psi, it delivers dependable service for commercial trucks.

Why Replacement is Important:

A malfunctioning compressor can compromise air brake performance, reducing safety and efficiency. Installing a Genuine unit maintains optimal system pressure.

Impact on Vehicle Performance:

Ensures consistent air supply to braking systems, improving vehicle safety and maintaining proper engine operation.

Manufacturer Information:

Cummins® engines and components are built to meet the highest standards for performance, emissions, and fuel efficiency.

Tags & Category: Air Brake Compressor, Cummins air brake compressor, 1 cylinder air compressor, ISB6.7 brake compressor, QSB6.7 brake compressor, heavy duty truck compressor, Cummins ISB6.7 parts, Cummins QSB6.7 parts, 2008-2024 truck parts, commercial vehicle air brake, single cylinder compressor, truck air system, heavy duty braking components, Cummins engine accessories, ISB/QSB air compressor, Cummins truck parts

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: 5266300