KYB SM5259 Suspension Strut Mount - Front Left
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 Mount Components

KYB SM5259 Suspension Strut Mount - Front Left

Brand KYB SM5259
Position Front Left
Product line Mount Components
Fits BMW · 5 vehicles

OE quality replacement. Designed for each application to optimize suspension performance.

Noise and vibration reduction. Superior rubber helps cushion road impacts and soften harshness.

Smooth steering support. Mount bearings help maintain alignment and steering response.

Cross-references BMW 31332227897, Gabriel 142826 and Monroe Shocks & Struts 903917 for the same application. See all 3.

$83.82Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Suspension Strut Mounts are typically replaced in pairs, axle by axle.
Order total $83.82
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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KYB SM5259 Strut Mount for BMW M3

The KYB SM5259 suspension strut mount is an OE-quality replacement for the front left side of select BMW M3 models. It is built to reduce vibration and noise from worn vibration insulators while helping restore steering feel and front-end alignment stability.

Key Features

  • OE-quality replacement strut mount for the front suspension
  • Superior rubber helps reduce noise, vibration, and harshness
  • Mount bearing supports smoother steering response and alignment retention
  • Matched-grade studs and nuts for application-specific fitment
  • Part of KYB Mount Components for suspension service work

Product Details

KYB Mount Components are engineered for application-specific suspension service, and the SM5259 follows that approach for the BMW M3 front left position. This strut mount cushions road impacts, helps isolate cabin noise, and supports the steering pivot function at the front bearing plate. For 1995-1999 BMW M3 front left service, KYB SM5259 is a direct replacement choice that addresses wear at the upper strut mounting point. This part cross-references Monroe Shocks & Struts 903917 for the same application.

Common Problems It Can Help Address

  • Clunking or knocking from the front suspension
  • Excess vibration transferred into the cabin
  • Harsh ride feel from hardened mount insulators
  • Loose or imprecise steering response
  • Front-end alignment instability caused by worn mount bearings

Installation Notes and Tips

Fits 1995-1999 BMW M3, front left. Confirm the vehicle’s suspension layout and inspect the strut bearing, spring seat, and surrounding hardware before installation. Because the mount is part of the steering and suspension load path, proper alignment checks after service are recommended. Verify the part number SM5259 against the original mount before replacement.

Quality Assurance

KYB is known for OE-style suspension components, and the SM5259 is built to meet application-specific replacement needs for the BMW M3. The design focuses on restoring original ride isolation and steering support in the front suspension.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1999BMWM3Front Left(E36); Mount Components
1998BMWM3Front Left(E36); Mount Components
1997BMWM3Front Left(E36); Mount Components
1996BMWM3Front Left(E36); Mount Components
1995BMWM3Front Left(E36); Mount Components
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BMW — 31332227897Gabriel — 142826Monroe Shocks & Struts — 903917