Master Cylinder Repair Kit 3MK – Fits M343447 / M921982 Bexar Pro Components: Heavy-Duty Reliability for the Long Haul. Restore your braking system’s efficiency with this brand new **Master Cylinder Repair Kit (3MK)** from **Bexar Pro**. Engineered for the rigorous demands of heavy-duty fleet service, this kit is balanced for both **industrial equipment** and **automotive** applications. Key Specifications Condition: NEW Repair Kit Warranty: No warranty on kits Application: Heavy-duty commercial trucks and industrial hydraulic systems Verified Part Number Compatibility This kit is a confirmed fit for the following brake master cylinder part numbers: M343447 M921982 M1901200 Expert Installation & Field Note Based on our shop experience specializing in heavy-duty brakes since 1985, we recommend a thorough inspection of the cylinder bore for any scoring before installing the 3MK components. Proper pushrod alignment is critical to ensure the seals seat correctly and provide lasting hydraulic pressure. CRITICAL: Verify Specifications Components may differ from the photo due to manufacturer updates. Always verify kit contents against your specific unit requirements before assembly. SKU: 3MK 3MK
