3101137 | Genuine Cummins® Air Brake Compressor

SKU: 3101137 MPN: 3101137

Maintain your commercial truck with this new, heavy-duty Cummins® Single cylinder air brake compressor. Part number 3101137 (cross-reference 3101137RX) guarantees an exact match. This truck component features water cooling and 145.0 psi max pressure. A direct replacement for QSX15, QSB, ISB, ISX engines, meeting OEM specifications.

$1,279.00
No Core Charge
3 in stock

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Product Description

Product Name: Single Cylinder Air Brake Compressor Product Name: Single Cylinder Air Brake Compressor
Condition: New Condition: New
Brand: Cummins® Brand: Cummins®
Part Number: 3101137 Part Number: 3101137
Cross Reference Part Number: 3101137RX Cross Reference Part Number: 3101137RX
Type: Single Cylinder Type: Single Cylinder
Suitable foe Engine:
QSX15 QSB ISB ISX QSX15 QSB ISB ISX
Specifications:
Weight: 44 lb Weight: 44 lb
Product category: Device Product category: Device
Calculated Volume (dm³): 21.155 Calculated Volume (dm³): 21.155
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 0.36 in Port thread 8.1: Ø 0.36 in
Port thread 9: 3/4" - 16 UNF Port thread 9: 3/4" - 16 UNF
Port thread 9.1: 3/4" - 16 UNF Port thread 9.1: 3/4" - 16 UNF
Port thread 9.2: 3/4" - 16 UNF Port thread 9.2: 3/4" - 16 UNF
Swept volume (cm³): 318 cm3 Swept volume (cm³): 318 cm3
Temperature range: -30°C to +90°C Temperature range: -30°C to +90°C
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
Kit:
9111539422 Connecting Rod/Piston 9111539422 Connecting Rod/Piston
9111549292 Valve Plate/Gasket/Hexagon head screw ISO4017-M5x18 9111549292 Valve Plate/Gasket/Hexagon head screw ISO4017-M5x18
4111515002 Pressure valve 4111515002 Pressure valve
8107071574 Rolling bearing DIN625-6308 C3 8107071574 Rolling bearing DIN625-6308 C3
9111539252/ 9111536034 Flange/ Countersunk head screw DIN7991-M6x12/ Cover 9111539252/ 9111536034 Flange/ Countersunk head screw DIN7991-M6x12/ Cover
8977729084 O-Ring 8977729084 O-Ring
8950735894/ 9111539422 Cap 8950735894/ 9111539422 Cap

Useful Information

Description and Purpose:

Discover the brand: Cummins original Single Cylinder Air Brake Compressor, condition: New, part number: 3680441. This genuine factory part manufactured by Cummins is a vital heavy-duty truck component for commercial vehicle applications. Featuring max. operating pressure: 145.0 psi, swept volume: 318 cm3, and operating speed: 3000 (1/min), it is compatible with: QSX15, QSB, ISB, ISX engines, ensuring authentic performance for your air brake system.

Why Replacement is Important:

Over time, the original compressor may wear out, affecting air supply to the brake system. Installing this genuine replacement part helps restore proper air pressure and maintain safe braking. As a one-to-one substitute, it eliminates compatibility concerns and matches all original technical parameters.

Impact on Vehicle Performance:

This compressor supports stable and consistent air delivery, helping the braking system function as originally intended. It matches the original in operating speed, piston dimensions, and thread specifications—ensuring the vehicle’s performance and safety remain uncompromised.

Manufacturer Information:

Cummins® is an established OEM brand known worldwide for precision-engineered powertrain components. Their replacement parts are manufactured to exact original standards, making them a trusted choice for technicians seeking reliable, factory-fit solutions for heavy-duty vehicles.

Tags Category: Air Brake Compressor, Compressor, Brake System, Pneumatic System, Air System, Air Compression, Pneumatic Component, Compressed Air, Air Brake System Component, Single Cylinder

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.

Customer Reviews

Based on 1 review
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D
David Brown
Just ordered it and picked it up same day from the warehouse

Super glad I found this part online.
Didn’t have to wait weeks for the dealer.
Just ordered it and picked it up same day from the warehouse.
Saved me a ton of time!!!

  • 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: 3101137