Timken 223012 Engine Crankshaft Seal - Front

Timken 223012 Engine Crankshaft Seal

Timken 223012 is an engine crankshaft seal built to retain oil and grease while keeping dirt and other contaminants out of the sealing area. Its precision sealing design, reinforced outer case, and ribbed rubber inner diameter support a secure fit in applications such as Ford F-150, Ford Bronco, Mazda 626, and Mazda Miata service work.

Key Features

• Precision sealing design helps control lubricant loss and contamination entry
• Reinforced outer case helps resist installation damage and adds durability
• Ribbed rubber inner diameter helps seal minor spindle imperfections and improve seating
• Internal contamination exclusion system helps block debris that can lead to leakage
• Vent holes promote lubricant flow around the seal lip to reduce heat build-up
• N-Polyacrylate material for sealing performance in engine applications
• Clockwise helix type
• Dimensions: 1.741 in. outside diameter, 1.181 in. shaft diameter, 1.732 in. housing bore, 0.354 in. width

Detailed Description

Timken 223012 is an engine crankshaft seal designed for front-position applications across a wide range of Ford and Mazda vehicles, including 1988-1997 Ford F-150, 1988-1999 Ford F-250, 1988-1997 Ford Bronco, 1984-1985 Mazda 626, and 1990-1993 Mazda Miata. This part number 223012 uses an N-Polyacrylate sealing element with a reinforced outer case and a ribbed inner diameter to help maintain a stable seal against the shaft and housing. The vented design supports lubricant circulation at the seal lip, which helps manage heat during operation. This part cross-references National 223012 for the same application.

What It Helps Address

• Oil leakage at the crankshaft seal area
• Contamination entering the engine sealing surface
• Seal wear caused by heat build-up
• Fit issues from minor shaft imperfections
• Damage during seal installation

Installation Notes and Tips

Verify shaft diameter, housing bore, width, and helix direction before installation. Timken 223012 is listed for front applications on many Ford and Mazda models, so confirm the vehicle year and position against the fitment data before service. Clean the sealing surface thoroughly and inspect the shaft for wear, scoring, or contamination before pressing the seal into place.

Quality Assurance

Timken oil and grease seals are engineered with precision sealing features and contamination control details to support dependable engine service. Part number 223012 is built to Timken dimensional specifications for the listed Ford and Mazda applications.