Elring 553.540 Engine Crankshaft Seal

Elring Crankshaft Seal for Ford Super Duty

Elring 553.540 is an engine crankshaft seal built for specific Ford Super Duty diesel applications. It uses PTFE and ACM materials, includes a dust lip, and comes with a mounting sleeve for controlled installation and sealing performance.

• Engine crankshaft seal for Ford F-250 Super Duty and Ford F-350 Super Duty applications
• PTFE and ACM construction for sealing at the crankshaft interface
• 109.0 mm inside diameter, 130.0 mm outside diameter, and 12.5 mm thickness
• Radial shaft seal design: ASW
• Dust lip helps protect the sealing edge from contamination
• Includes mounting sleeve for installation support
• Swirl type: LD

Detailed Product Overview

Elring 553.540 is an OE-style crankshaft seal for Ford Super Duty engines that require a 109 mm inner diameter and 130 mm outer diameter seal profile. The PTFE/ACM material combination is selected for crankshaft sealing service, while the dust lip adds an extra barrier against road debris and engine contamination. This part cross-references Ford OE numbers BC3Z-6701-B and BC3Z 6701-A for the same application.

Compatible With 2011-2019 Ford F-250 Super Duty and 2011-2019 Ford F-350 Super Duty, this seal also matches 2020-2023 Ford F-350 Super Duty applications listed in the fitment data. The Elring 553.540 part number is a direct reference for buyers searching for a Ford F-250 Super Duty crankshaft seal or Ford F-350 Super Duty crankshaft seal by OE specification.

Common Problems This Seal Addresses

• Crankshaft oil leakage at the rear or front seal location, depending on engine configuration
• Oil seepage caused by worn sealing lips or hardened seal material
• Contamination entering the seal area through the crankshaft opening
• Improper seal fitment when the inner and outer diameters do not match OE requirements
• Installation damage during seal placement without a mounting sleeve

Installation Notes and Tips

Verify the seal dimensions, swirl type, and OE reference before installation. Use the supplied mounting sleeve to help protect the sealing lip during placement, and make sure the crankshaft sealing surface is clean and free of scoring. For Ford F-250 Super Duty and Ford F-350 Super Duty service, confirm the engine application against the vehicle’s original seal specification before final assembly.

Quality Assurance

Elring is a recognized engine sealing brand with a focus on precision gasket and seal applications. Part number 553.540 is built to match the listed dimensional and design requirements for the specified Ford Super Duty fitments.