4123520020 | Genuine Wabco®/Meritor® Single-Cylinder Air Brake Compressor

SKU: 4123520020 MPN: 4123520020

Stay road-safe and pressure-ready with this Genuine Wabco/Meritor Single-Cylinder Air Brake Compressor. Part Number: 4123520020. Condition: New. Built for OM904, MBE900 engines.

$899.00
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 Wabco®/Meritor® Brand Wabco®/Meritor®
Part Number 4123520020 Part Number 4123520020
Engine Compatibility
Mercedes-Benz OM904, MBE900 Mercedes-Benz OM904, MBE900
Specifications
Cooling Water Cooling Water
Lubrication Supplied from engine Lubrication Supplied from engine
Mounting Mounting Flange Mounting Mounting Flange
Crankshaft Thread M20 x 1.5 LH Crankshaft Thread M20 x 1.5 LH
Compressor Drive Type Gear Compressor Drive Type Gear
Operating Speed 3000 RPM Operating Speed 3000 RPM
Max. Operating Pressure 181.3 psi Max. Operating Pressure 181.3 psi
Swept Volume 352 cm³ Swept Volume 352 cm³
Stroke Length 2.44 in Stroke Length 2.44 in
Bore Diameter 3.35 in Bore Diameter 3.35 in
Cylinder Quantity 1 Cylinder Quantity 1
Mounting Hole Quantity 4 Mounting Hole Quantity 4
Tooth Quantity 39 Tooth Quantity 39
Calculated Volume 15.5304 dm³ Calculated Volume 15.5304 dm³
Port Thread 0 1.18 in Port Thread 0 1.18 in
Port Thread 2 (Outlet Port) M26 x 1.5 mm Port Thread 2 (Outlet Port) M26 x 1.5 mm
Port Thread 4 (Governor Port) M12 x 1.5 mm Port Thread 4 (Governor Port) M12 x 1.5 mm
Port Thread 8.1 (Oil Inlet Inner Diameter) Ø 0.24 in Port Thread 8.1 (Oil Inlet Inner Diameter) Ø 0.24 in
Port Thread 9.1 / 9.2 (Coolant Inlet/Port) M14 x 1.5 mm Port Thread 9.1 / 9.2 (Coolant Inlet/Port) M14 x 1.5 mm
Dimensions
Length 7.90 in Length 7.90 in
Width 5.59 in Width 5.59 in
Height 11.93 in Height 11.93 in

Useful Information

Description and Purpose:

The Single-Cylinder Air Brake Compressor by Wabco/Meritor is a Genuine drivetrain component engineered to deliver consistent air pressure to the brake and auxiliary systems of heavy-duty trucks. Part Number: 4123520020. Condition: New. Designed for use with OM904 and MBE900 engines, this flange-mounted compressor supports optimal pneumatic operation in commercial vehicle applications, ensuring the safe performance of braking, air suspension, and transmission-assisted systems during demanding road conditions.

Why Replacement is Important:

Over time, air compressors can suffer from reduced efficiency, internal wear, or seal failure, which compromises air supply to safety-critical systems. Timely replacement ensures stable air delivery and compliance with brake system requirements.

Impact on Vehicle Performance:

A fully operational compressor allows consistent brake pressure, minimizing stopping distances and ensuring smooth control over auxiliary systems powered by compressed air.

Manufacturer Information:

Wabco® develops advanced air brake systems and electronic safety solutions trusted across trucking and trailer platforms.

Meritor® delivers heavy-duty components engineered for strength, durability, and long operational life in demanding conditions.

Tags & Category: Single-Cylinder Air Compressor, Air Brake System, OM904 Engine Parts, OM900 Series Compressor, MBE900 Engine Compressor, WABCO Air Compressor, Detroit Diesel Air Supply, Flange Mounted Compressor, Commercial Vehicle Pneumatics, Truck Brake System Parts, MBE900 Air Brake Components, OEM Brake Compressor, Diesel Engine Compressor, Air Supply Module

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: 4123520020