National Bearings 5723 | Rear Engine Crankshaft Seal

Part Number
Crankshaft Seal

Fits: 93-96 Ford F-250, 93-97 Ford F-350, 93-97 Ford F-59 Commercial Stripped Chassis, 93-97 Ford F-Super Duty, 95-98 Ford E-350 Econoline, 95-02 Ford E-350 Econoline Club Wagon, 96-99 Ford Econoline Super Duty, 97 Ford F-250 HD, 99-03 Ford E-350 Super Duty, 99-03 Ford F-250 Super Duty, 99-03 Ford F-350 Super Duty, 99-03 Ford F-450 Super Duty, 99-03 Ford F-550 Super Duty, 00-02 Ford E-450 Econoline Super Duty, 00-03 Ford Excursion, 02 Ford E-550 Econoline Super Duty, 03 Ford E-350 Club Wagon, 03 Ford E-450 Super Duty, 03 Ford E-550 Super Duty
Special Price $38.74 Regular Price $45.58
In stock
Free Shipping
Estimated Ship Date: 1 Business Day or Less


National 5723 Crankshaft Seal

National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.


  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
  • Design type: springless; multi-lip
  • Temperature range: -100°F to 450°F / -73°C to 232°


Helix Type:Counter-Clockwise-Spiral Lip Design
Housing Bore (Inch):5.169
Housing Bore (MM):131.290
Inside Diameter:4.375
Inside Diameter:111.130
Outside Diameter:5.179
Outside Diameter:131.550
Outside Diameter (Inch):5.179
Outside Diameter (MM):131.550
Part Description:Oil Seal Kit
Shaft (Inch):4.375
Shaft (MM):111.130
Unit of Dimension:Inch
Width (Inch):0.400
Width (MM):10.160


  • Chicago Rawhide: 43767
  • Ford: F4TZ-6701A
  • Ford: F4TZ-6701AA
  • Ford: F6TJ-6701AA
  • Ford: YC35-6701AA
  • SKF: 43767
  • Timken: 5723


  • 1993-1997 Ford F-350        Position: Rear
  • 1993-1997 Ford F-59 Commercial Stripped Chassis        Position: Rear
  • 1995-1998 Ford E-350 Econoline        Position: Rear
  • 1999-2003 Ford F-250 Super Duty        Position: Rear
  • 1999-2003 Ford F-350 Super Duty        Position: Rear
  • 2003 Ford E-450 Super Duty        Position: Rear
  • 1993-1996 Ford F-250        Position: Rear
  • 1993-1997 Ford F-Super Duty        Position: Rear
  • 1995-2002 Ford E-350 Econoline Club Wagon        Position: Rear
  • 1996-1999 Ford Econoline Super Duty        Position: Rear
  • 1997 Ford F-250 HD        Position: Rear
  • 1999-2003 Ford E-350 Super Duty        Position: Rear
  • 1999-2003 Ford F-450 Super Duty        Position: Rear
  • 1999-2003 Ford F-550 Super Duty        Position: Rear
  • 2000-2002 Ford E-450 Econoline Super Duty        Position: Rear
  • 2000-2003 Ford Excursion        Position: Rear
  • 2002 Ford E-550 Econoline Super Duty        Position: Rear
  • 2003 Ford E-350 Club Wagon        Position: Rear
  • 2003 Ford E-550 Super Duty        Position: Rear

Customer Questions
No Questions
Please, mind that only logged in users can submit questions

Compatible Vehicles


You may also be interested in

Copyright © 2013-present PartsHawk, LLC. All rights reserved.