HomeSuspension > Suspension, Springs and Related ComponentsMevotech MP903973 Suspension Coil Spring Seat - Front or Front Upper
Part #: MP903973

Mevotech MP903973 Suspension Coil Spring Seat - Front or Front Upper

Front Upper and Front
⚙️ 64 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, Oldsmobile, and Pontiac, 88, 98, Aurora, Aztek, Bonneville, Delta 88, DeVille, Fleetwood, LeSabre, LSS, Park Avenue, Regency, and Riviera
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Suspension Coil Spring Seat for OE-Style Fitment

Mevotech MP903973 is a suspension coil spring seat for front and front upper applications on select GM vehicles. It is built for direct replacement use on the listed Pontiac, Buick, Oldsmobile, Cadillac, and related platforms, including Pontiac Aztek and Pontiac Bonneville applications.

  • Suspension coil spring seat for front and front upper positions
  • Direct-fit replacement for select 1990-2005 GM passenger vehicles
  • Fits Pontiac Aztek front and Pontiac Bonneville front upper applications
  • Mevotech part number MP903973 for easy identification
  • This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application

Detailed Product Overview

MP903973 is a suspension coil spring seat used in front upper and front suspension locations where the original seat has worn, cracked, or lost proper support. It is listed for 64 vehicle applications across 1990-2005 model years, including Pontiac Aztek, Pontiac Bonneville, Buick LeSabre, Oldsmobile 88, Oldsmobile LSS, Buick Riviera, Oldsmobile Aurora, Buick Park Avenue, Cadillac DeVille, Cadillac Fleetwood, and Oldsmobile Delta 88. If you are searching for a Mevotech MP903973 coil spring seat for a Pontiac Bonneville front upper or a Buick LeSabre front upper replacement, this part number is the correct reference to verify against your vehicle.

What It Helps Fix

  • Broken or deteriorated coil spring seat material
  • Noise from a loose or shifting front spring assembly
  • Uneven spring support at the front upper mount
  • Ride-height issues caused by a damaged spring seat
  • Restoration work on aging GM suspension components

Installation Notes

Verify the position before ordering, since this part is listed for both front and front upper applications. Match the vehicle year, make, model, and notes exactly, including the Bonneville late-design, w/o spring guard requirement. Confirm the existing spring seat style and suspension layout before installation.

Quality Assurance

Mevotech MP903973 is cataloged as an OE-style suspension replacement part for the listed applications. Use the part number MP903973 to confirm fitment against your vehicle and any interchange references before installation.

This part fits 64 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2005PontiacAztekAWDFront
2004PontiacAztekAWDFront
2003PontiacAztekAWDFront
2002PontiacAztekAWDFront
2001PontiacAztekAWDFront
1999BuickLeSabreFront Upper
1999Oldsmobile88Front Upper
1999OldsmobileLSSFront Upper
1999PontiacBonnevilleFront Upperw/o Spring Guard; Late Design
1998BuickLeSabreFront Upper
1998Oldsmobile88Front Upper
1998OldsmobileLSSFront Upper
1998OldsmobileRegencyFront Upper
1998PontiacBonnevilleFront Upperw/o Spring Guard; Late Design
1997BuickLeSabreFront Upper
1997BuickRivieraFront Upper
1997Oldsmobile88Front Upper
1997OldsmobileAuroraFront Upper
1997OldsmobileLSSFront Upper
1997OldsmobileRegencyFront Upper
1997PontiacBonnevilleFront Upperw/o Spring Guard; Late Design
1996BuickLeSabreFront Upper
1996BuickPark AvenueFront Upper
1996BuickRivieraFront Upper
1996Oldsmobile88Front Upper
1996Oldsmobile98Front Upper
1996OldsmobileAuroraFront Upper
1996OldsmobileLSSFront Upper
1996PontiacBonnevilleFront Upperw/o Spring Guard; Late Design
1995BuickLeSabreFront Upper
1995BuickPark AvenueFront Upper
1995BuickRivieraFront Upper
1995Oldsmobile88Front Upper
1995Oldsmobile98Front Upper
1995OldsmobileAuroraFront Upper
1995PontiacBonnevilleFront Upperw/o Spring Guard; Late Design
1994BuickLeSabreFront Upper
1994BuickPark AvenueFront Upper
1994Oldsmobile88Front Upper
1994Oldsmobile98Front Upper
1994PontiacBonnevilleFront Upperw/o Spring Guard; Late Design
1993BuickLeSabreFront Upper
1993BuickPark AvenueFront Upper
1993CadillacDeVilleFront Upper
1993CadillacFleetwoodFront Upper
1993Oldsmobile88Front Upper
1993Oldsmobile98Front Upper
1993PontiacBonnevilleFront Upperw/o Spring Guard; Late Design
1992BuickLeSabreFront Upper
1992BuickPark AvenueFront Upper
1992CadillacDeVilleFront Upper
1992CadillacFleetwoodFront Upper
1992Oldsmobile88Front Upper
1992Oldsmobile98Front Upper
1992PontiacBonnevilleFront Upperw/o Spring Guard; Late Design
1991BuickLeSabreFront Upper
1991BuickPark AvenueFront Upper
1991CadillacDeVilleFront Upper
1991CadillacFleetwoodFront Upper
1991Oldsmobile98Front Upper
1991OldsmobileDelta 88Front Upper
1991PontiacBonnevilleFront Upperw/o Spring Guard; Late Design
1990OldsmobileDelta 88Front Upper
1990PontiacBonnevilleFront Upperw/o Spring Guard; Late Design

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

221970126133525251211903973FM1247K5343SM5230SM7321

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.