Autotecnica FD0818504 Door Seal - Rear Lower

Door Seal for Ford Super Duty

Restore a proper sealing surface with this Autotecnica door seal, part number FD0818504. It is a specific-fit replacement made for rear lower applications on select Ford Super Duty trucks, with CSM construction and a black finish.

Key Features

• Specific-fit door seal for targeted application coverage.
• CSM material provides durable sealing performance.
• Black finish matches a clean OE-style appearance.
• Dimensions measure 32.5 inches long and 1.5 inches wide.
• Autotecnica FD0818504 is built for replacement use on body sealing systems.

Detailed Description

Autotecnica FD0818504 is a replacement door seal for body sealing applications on Ford F-250 Super Duty and Ford F-350 Super Duty trucks. Fits 1999-2016 Ford F-250 Super Duty, rear lower. Fits 1999-2016 Ford F-350 Super Duty, rear lower. The CSM construction is selected for sealing applications where consistent contact and resistance to environmental exposure matter. If you are replacing a worn or damaged seal on a Ford F-250 Super Duty or Ford F-350 Super Duty, this part number provides a direct-fit service part for the listed rear lower location.

Common Issues It Can Address

• Air or water intrusion through a worn door seal.
• Noisy cabin conditions caused by degraded sealing material.
• Visible cracking, hardening, or flattening of the original seal.
• Poor closure feel from a compressed or damaged seal.
• Replacement needs after the original seal loses its shape.

Installation Notes and Tips

Verify the vehicle application and rear lower position before ordering. Compare the existing seal length, profile, and mounting path to FD0818504 to confirm proper match. Clean the sealing surface thoroughly before installation so the new seal seats evenly and maintains consistent contact.

Quality Assurance

Autotecnica manufactures aftermarket parts under ISO/TS 16949 quality management system specifications. FD0818504 is backed by a two-year, unlimited mileage warranty.