Moog K90437 Rack and Pinion Bellows Kit

Brand Moog K90437
Includes Hardware Yes
Includes Ties Yes
Large End Diameter (Inch) 2.040
Length (Inch) 7.620
Material Rubber
Number of ribs 17
Small End Diameter (Inch) 0.660
Vent Hole No
Fits Toyota · 14 vehicles

Rubber construction. Helps provide flexible protection for the bellows kit.

Includes hardware. Comes with ties for a more complete installation.

Problem Solver heritage. MOOG focuses on design enhancements that simplify replacement.

Cross-references Carlson 15136, Dorman - OE Solutions 531-703 and Mevotech Supreme MK90437 for the same application. See all 13.

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Moog K90437 Rack and Pinion Bellows Kit

Moog K90437 is a rubber rack and pinion bellows kit built for steering systems that need a direct-fit replacement boot with the correct dimensions and included hardware. It is made for 2000-2006 Toyota Tundra and 2001-2007 Toyota Sequoia applications, with fitment language commonly searched as a Toyota Tundra rack and pinion bellows kit or Toyota Sequoia steering boot replacement.

Key Features

  • Rubber bellows construction for steering rack protection
  • Includes hardware and ties for installation
  • Large end diameter: 2.040 in.
  • Small end diameter: 0.660 in.
  • Length: 7.620 in. with 17 ribs
  • No vent hole design
  • Direct replacement for steering rack and pinion bellows service

Product Details

This rack and pinion bellows kit helps seal the steering rack area from road debris, moisture, and contamination while allowing the rack to move through its travel. Moog K90437 uses a rubber boot profile with 17 ribs for flexibility, and its measured end diameters and length support proper fit on the specified Toyota steering applications. This part cross-references Dorman - OE Solutions 531-703 for the same application. The Moog K90437 part number is also commonly searched alongside Toyota Tundra and Toyota Sequoia steering repair needs.

What It Helps Address

  • Cracked or torn steering rack bellows
  • Contamination entering the steering rack area
  • Loss of protection around the inner tie rod and rack housing
  • Noise or wear caused by damaged steering boot material
  • Replacement needs during steering service on Toyota Tundra and Toyota Sequoia models

Installation Notes and Tips

Verify steering rack dimensions before installation and compare the large end diameter, small end diameter, and overall length to the removed part. Use the included hardware and ties to secure the bellows properly, and inspect the rack housing and adjacent steering components for wear before reassembly. For search relevance and fitment confirmation, this Moog K90437 bellows kit is listed for 2000-2006 Toyota Tundra and 2001-2007 Toyota Sequoia.

Quality Assurance

Moog is known for ongoing design updates that improve service life and make replacement easier. That engineering focus is reflected in the K90437 steering bellows kit, which is built as a practical replacement part for Toyota Tundra and Toyota Sequoia steering maintenance.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2007ToyotaSequoiaN/A—
2006ToyotaSequoiaN/A—
2006ToyotaTundraN/A—
2005ToyotaSequoiaN/A—
2005ToyotaTundraN/A—
2004ToyotaSequoiaN/A—
2004ToyotaTundraN/A—
2003ToyotaSequoiaN/A—
2003ToyotaTundraN/A—
2002ToyotaSequoiaN/A—
2002ToyotaTundraN/A—
2001ToyotaSequoiaN/A—
2001ToyotaTundraN/A—
2000ToyotaTundraN/A—
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Carlson — 15136Dorman - OE Solutions — 531-703Mevotech Supreme — MK9043745A7116269-1649430-1116539-133455350C010103294961444014FA8094JBE253RPK75145