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Front Axle Vaccum Knuckle and Tube Seal Kit Compatible with Ford Super Duty Excursion F250 F350 F450 F550 Dana 50 60 1998-2004 Replace 50491 50381 41784-2

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  • The front axle knuckle tube seal kit is compatible with Ford Super Duty Excursion F250 F350 F450 F550 Dana 50 60 1998-2004 .
  • The PQY front axle tube seal kit is used for outer axle shaft seal to prevent dirt from entering and replace the old and wear seals.
  • The front axle knuckle seal kit is made of steel and rubber.Replacement part number is 50491 , 50381 , 41784-2.
  • Package includes 2 × inner knuckle oil seals for outer axle, 2 × outer tube oil seals for inner axle shaft next to yoke, 2 × vacuum seal O-rings for wheel hub bearing assy.
  • If you have any problem ,please contact us ,we will respond in 24 hours.


Product Description

CAP26

PQY Front Axle Vaccum Knuckle and Tube Seal Kit

ApplicationL: Compatible with Ford Super Duty Excursion F250 F350 F450 F550 Dana 50 60 1998-2004

Replacemen Part Number: 50491 50381 41784-2

Package Includes:

2x inner knuckle oil seals that fit on outer axle;

2x outer tube oil seals or dust seal that fit on inner axle shaft next to yoke;

2x vacuum seal O-rings that are for the wheel hub bearing assy.

CAP26-1
CAP26-2
CAP26-3
CAP26-4

Saul Gonzalez
Reviewed in the United States on March 6, 2025
This solved my F250's stubborn 4WD engagement issues immediately. After months of frustrating clicks and partial engagement, my four-wheel drive now kicks in seamlessly even in cold weather. Installation was straightforward with basic tools and mechanical knowledge. The seals match OEM quality but at a fraction of dealership prices. If your F250's 4WD is unreliable, this kit likely addresses the exact vacuum leak causing your headaches. One months later, still working perfectly!