3104216 | Genuine Cummins® Air Brake Compressor

SKU: 3104216 MPN: 3104216

Get your commercial vehicle back on the road with this new, genuine Cummins® Single cylinder air brake compressor. This heavy-duty truck component, part number 3104216 (cross-reference 3104216RX), provides water cooling and 145.0 psi max operating pressure. A direct fit for QSX15, QSB, ISB, ISX engines, meeting OEM specifications.

$1,279.00
No Core Charge
1 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: 3104216 Part Number: 3104216
Cross Reference Part Number: 3104216RX Cross Reference Part Number: 3104216RX
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:

The Cummins® Single Cylinder Air Brake Compressor (Part Number: 3104216) is a genuine OEM replacement unit built for QSX15, QSB, ISB, and ISX engines. Designed with a mounting flange, water cooling system, and engine-fed lubrication, it provides a direct fit with factory-level compatibility and performance. Dimensions and specifications precisely match the original part.

Why Replacement is Important:

A faulty air compressor can lead to insufficient air supply, affecting brake function and safety. This compressor is a replacement part manufactured to OEM standards, ensuring the air brake system maintains its intended functionality and complies with operational safety requirements.

Impact on Vehicle Performance:

Thanks to its accurate piston diameter, stroke, and thread specifications, this compressor ensures stable air pressure output up to 145 psi, supporting efficient braking. Its exact-match fitment helps maintain original vehicle performance without requiring system changes.

Manufacturer Information:

Cummins® is a trusted name in heavy-duty engine technology, known for producing original, factory-spec components. Their products are engineered for precise performance, durability, and easy integration, making them a top choice for maintaining OEM system integrity.

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

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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: 3104216