Offered here is a rare vintage NOS Wagner Lockheed hydraulic brake wheel cylinder assembly, Part No. 684833R91, supplied in its original International Harvester Hydraulic Brake Parts packaging. This authentic period-correct component features the classic Wagner Lockheed casting and original factory-style construction, making it an excellent find for collectors, restorers, vintage truck enthusiasts, and anyone seeking hard-to-source original brake hardware. The part shows expected age-related surface oxidation, patina, and storage wear, while the original box adds significant authenticity and collector appeal. A desirable piece of vintage automotive history, this 684833R91 wheel cylinder is ideal for restoration projects or specialized parts inventories; please carefully compare the part number, configuration, and condition with your application before purchase.
Specifications:
- Brand: Wagner Lockheed
- Part Number: 684833R91
- Position: Rear Wheel Cylinder
- Bore Diameter: 1-1/2 inch
- Inlet Thread: 7/16″-24
- Construction: Cast iron
Applications:
- International Harvester / IHC trucks
- International Loadstar — 1962–1978
- International Fleetstar — 1962–1967
- Listed specifically as a rear wheel cylinder for the above applications.













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