Rear Brake Wheel Cylinder (19.05mm) – 644-352-513-01

The 644-352-513-01 wheel cylinder is a direct-replacement part for the rear axle of early Porsche sports cars. It features a 19.05mm internal bore and is designed to fit either the left or right rear side (two are required per vehicle). Because these classic braking systems are sensitive to moisture and corrosion from aging brake fluid, replacing pitted or leaking cylinders is essential for safety and balanced braking.

This part is part of the Dansk Classic range from JP Group, specifically engineered for vintage restoration projects where fitment accuracy and period-correct aesthetics are required.

Detailed Vehicle Compatibility

Porsche 356:

1950, 1951, 1952, 1953, 1954, 1955

Porsche 356A:

1955, 1956, 1957, 1958, 1959

Porsche 356B:

1960, 1961, 1962, 1963

Product Highlights & Features

Interchangeable Design: Fully compatible with either the rear left or rear right position, simplifying parts ordering and inventory.
Corrosion Protection: Treated with a protective finish to resist the internal rust that often plagues classic cars stored for long periods.
Restoration Grade: Produced by JP Group Dansk, a leader in the classic Porsche aftermarket, ensuring the casting and threads match original specifications.

Technical Specifications

Part Number: 644-352-513-01
Alternative Part Number: 1661300200
Bore Size: 19.05mm
Position: Rear (Left or Right)
Brake Type: Drum Brakes

Installation & Maintenance Tips

Brake Fluid Flush: Always perform a full system flush with fresh DOT 3 or DOT 4 fluid when replacing wheel cylinders. Old fluid contains moisture that will quickly ruin the new rubber seals.
Bleeder Valve Care: During installation, ensure the bleeder screw is accessible and not obstructed by the backing plate. Use a flare nut wrench to avoid stripping the hydraulic line fittings.
Pair Replacement: It is highly recommended to replace wheel cylinders in pairs (both rear wheels) to ensure even braking pressure and prevent the car from pulling to one side under heavy braking.

64435251301

1661300200

JP-2264-0

644-352-513-01 Rear Wheel Cylinder - Porsche 356 356A 356B Classic Line

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644-352-513-01 Rear Wheel Cylinder - Porsche 356 356A 356B Classic Line

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$159.40

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