Remanufactured Hydromax Booster | Casting #2771424 / #2771819

Name: Remanufactured Hydromax Booster Casting #2771424 #2771819 | International
Brand: abc dynamics
SKU: 52980565
Availability: InStock

SKU: 52980565

International Truck & School Bus Grade

Restore your vehicle’s braking safety with this professionally remanufactured Hydromax brake booster. This unit is a direct safety replacement for International trucks and school buses originally equipped with Casting #2771424 or #2771819.

Each assembly is restored to original factory specifications and comes complete with **new motor O-rings** to ensure a high-pressure, leak-free seal between the booster and your backup pump motor.

Spec Identifier	Detail	Application Note
Condition	Remanufactured	Fully tested and certified by ABC Dynamics.
Body Casting #	2771424 or 2771819	Verify your original stamping before purchase.
Hardware Included	New Motor O-Rings	Ensures proper seal for backup pump motor.
Core Refund	$75.00 Credit	Refunded upon return of a rebuildable core.

⚠ Installation & Hardware Info

Motor O-Rings: New Oval O-rings are included in the box. Always replace these when remounting your backup motor to prevent hydraulic leaks.
Pedal Rod: Reuse your original rod if it differs from the pre-installed version. Changing the rod requires SKU 27-190 (grommet).
Core Return: A $75 core charge is included in the price. Return your old unit within 60 days to receive your $75 refund.

Technical Support Resources:

Access our video guides and full technical manuals for a successful installation.

Video Guide

Technical Manual