NEW Brake Master Cylinder (2-inch Bore) – Replaces 2239045 | Freightliner M2 MT Chassis & S2RV

ABC Dynamics: Precision Parts for Uncompromising Performance.

Ensure reliable, heavy-duty braking control with this brand new **Brake Master Cylinder** from **ABC Dynamics**. Engineered with a powerful **2-inch bore size**, this master cylinder is a direct replacement for critical braking systems found in **Freightliner M2, MT, and S2 series trucks and commercial chassis**. Trust in quality that meets or exceeds OEM specifications for casting number **2239045**.

Key Specifications & Expert Features

• Condition: **NEW** Brake Master Cylinder (Non-Remanufactured) for maximum safety and lifespan.
• Bore Size: **2-inch bore size** (Critical for generating high hydraulic pressure in heavy-duty applications).
• Outlet Ports: Features both **1/2″-20** and **9/16″-18** outlet size threads.
• Included Switches: **DIFFERENTIAL PRESSURE SWITCH** and **FLUID LEVEL INDICATOR SWITCH** are **INCLUDED**.
• **Application Balance:** Engineered for Freightliner’s versatile medium-duty platform, including delivery, RV, and school bus chassis.

Verified Casting & Cross-Reference Numbers

This master cylinder is a confirmed replacement for the casting number **2239045** and cross-references with the following Freightliner and Bendix part numbers:

• **Primary Casting:** 2239045
• **Freightliner Cross-Ref:** ASL 0204839816F2T
• **Bendix Cross-Ref:** BX012379

Fits the following Freightliner models:

• M2-100, M2-106, M2-112 (including V and e variants)
• MT35 (1998-2018), MT45 (1998-2018), MT55 (1999-2018) Chassis
• FS65, B2, S2, S2C, S2G, S2RV (Bus and Commercial Chassis)
• MC Line, MCL (2001-2019)

Expert Installation & Technical Support

ABC Dynamics Part Number / SKU: **10804276**