Karlyn
Karlyn-STI

Karlyn 21-5040 Suspension Control Arm Bushing - Front Lower

Brand Karlyn 21-5040
Position Front Lower
Color Silver
Material Aluminum
Product line Karlyn-STI
Fits Toyota · 21 vehicles

Aluminum construction. Provides a durable, lightweight bushing material.

Suspension control arm bushing. Helps restore proper suspension articulation and control.

$24.61Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Karlyn-STI Front Lower Control Arm Bushing

The Karlyn 21-5040 is a front lower suspension control arm bushing built with aluminum construction and a silver finish. It is listed for select Toyota Tacoma and Toyota 4Runner applications, making it a focused replacement for front lower suspension service.

Key Features

  • Aluminum construction for a durable suspension bushing application
  • Silver finish
  • Front lower position
  • Fits 1996-2004 Toyota Tacoma, front lower
  • Fits 1996-2002 Toyota 4Runner, front lower
  • Karlyn-STI product line

Product Details

Karlyn-STI is the performance-oriented product line from Karlyn, and part number 21-5040 is cataloged for front lower control arm service on Toyota trucks and SUVs. Use this bushing when replacing worn suspension pivot points on a 1996-2004 Toyota Tacoma or a 1996-2002 Toyota 4Runner. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part Can Address

  • Front suspension looseness or excess play
  • Clunking or knocking from the lower control arm area
  • Uneven tire wear related to worn bushings
  • Steering wander caused by degraded suspension pivot points
  • Visible cracking, deformation, or wear in the original bushing

Installation Notes and Tips

Verify vehicle year, model, and front lower position before ordering. For best results, inspect the surrounding control arm components and alignment condition during replacement. Part number 21-5040 should be matched to the listed Toyota Tacoma and Toyota 4Runner fitments exactly.

Quality Assurance

Karlyn-STI identifies this as a dedicated suspension bushing application for the listed Toyota fitments. Confirm the part number 21-5040 against your vehicle before installation to ensure correct application.

This part fits 21 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004ToyotaTacoma——Front LowerKarlyn-STI
2003ToyotaTacoma——Front LowerKarlyn-STI
2002Toyota4Runner3.4LV6Front LowerReplaces Part No. 21-5050; Karlyn-STI
2002ToyotaTacoma——Front LowerKarlyn-STI
2001Toyota4Runner3.4LV6Front LowerReplaces Part No. 21-5050; Karlyn-STI
2001ToyotaTacoma——Front LowerKarlyn-STI
2000Toyota4Runner3.4LV6Front LowerReplaces Part No. 21-5050; Karlyn-STI
2000Toyota4Runner2.7LL4Front LowerReplaces Part No. 21-5050; Karlyn-STI
2000ToyotaTacoma——Front LowerKarlyn-STI
1999Toyota4Runner3.4LV6Front LowerReplaces Part No. 21-5050; Karlyn-STI
1999Toyota4Runner2.7LL4Front LowerReplaces Part No. 21-5050; Karlyn-STI
1999ToyotaTacoma——Front LowerKarlyn-STI
1998Toyota4Runner3.4LV6Front LowerReplaces Part No. 21-5050; Karlyn-STI
1998Toyota4Runner2.7LL4Front LowerReplaces Part No. 21-5050; Karlyn-STI
1998ToyotaTacoma——Front LowerKarlyn-STI
1997Toyota4Runner3.4LV6Front LowerReplaces Part No. 21-5050; Karlyn-STI
1997Toyota4Runner2.7LL4Front LowerReplaces Part No. 21-5050; Karlyn-STI
1997ToyotaTacoma——Front LowerKarlyn-STI
1996Toyota4Runner3.4LV6Front LowerReplaces Part No. 21-5050; Karlyn-STI
1996Toyota4Runner2.7LL4Front LowerReplaces Part No. 21-5050; Karlyn-STI
1996ToyotaTacoma——Front LowerKarlyn-STI