SKF 37341 Engine Crankshaft Seal - Rear

SKF Rear Crankshaft Seal for Ford Applications

SKF 37341 is a rear crankshaft seal built for Ford engines that need reliable oil control at the rear of the crankshaft. It is designed with a LongLife sealing surface and sized for a 3.750 shaft diameter, 4.517 outside diameter, and 0.376 width for the listed rear seal applications.

Compatible With Ford F-150, Bronco, Econoline vans, and select F-Series trucks from 1983-1996, this SKF crankshaft rear seal supports clean engine operation by helping keep lubricant in place and contaminants out. Part number 37341 is also referenced by 145837341 and 975937341 for the same application.

Key Features

• Rear crankshaft seal for engine sealing applications
• LongLife sealing surface type for durable sealing performance
• 3.750 shaft diameter
• 4.517 outside diameter
• 0.376 width
• Designed for rear-position fitment on listed Ford and Mercury vehicles
• SKF engineering and material selection focused on application-specific sealing needs

Detailed Description

SKF 37341 is part of the SKF Crankshaft Rear Seal - Rear line, a product line focused on rear main sealing applications where crankshaft movement, heat, and oil exposure demand precise fit and stable sealing contact. SKF has a long history in seal design and uses premium materials matched to the operating environment of the application. For Ford F-150, Bronco, Econoline, and related rear seal applications, this part is built to maintain the seal between the crankshaft and engine housing.

This part cross-references 145837341 and 975937341 for the same application. Use SKF 37341 when servicing rear crankshaft seal leakage on supported Ford and Mercury vehicles, including 1983-1996 Ford F-150, 1986-1991 Ford Bronco, and 1986-1996 Ford Econoline rear seal applications.

What It Helps Address

• Rear main seal oil leakage at the crankshaft
• Oil loss from worn or hardened sealing surfaces
• Contamination entering the rear crankshaft sealing area
• Seal wear caused by age, heat, and engine operation
• Service replacement on listed Ford truck and van applications

Installation Notes and Tips

• Confirm shaft diameter, outside diameter, and width before installation.
• Verify the vehicle build date notes for 1992 Bronco and Econoline applications.
• Inspect the crankshaft sealing surface for wear, scoring, or contamination before installing the new seal.
• Clean the seal bore and surrounding area so the sealing lip seats evenly.
• Use the exact rear-position application listed for the vehicle.

Quality Assurance

SKF designs and manufactures seals to high quality standards using application-specific materials and bonding methods. The brand’s seal development history and long-term OE-style engineering support consistent fit and service life in demanding engine sealing locations.