Mevotech MS50405 Suspension Control Arm Bushing - Rear At Knuckle (Upper)

Brand Mevotech MS50405
Position Rear At Knuckle (Upper)
Color Rhodium
Inside Diameter 0.56
Length 4.05
Material Natural Rubber
Mounting Hardware Included Yes
Number of Bushings 1
Outside Diameter 1.58
Fits Buick, Chevrolet, Pontiac, and Oldsmobile · 31 vehicles

Natural rubber. Delivers flexible cushioning and helps isolate vibration.

Control arm bushing. Restores smooth suspension movement and reduces play.

Hardware included. Comes ready for installation with mounting hardware.

Cross-references Dorman - OE Solutions 905-504, Dorman - OE Solutions 905-505 and MOOG Chassis Products K200840 for the same application. See all 12.

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Suspension Control Arm Bushing for Rear Knuckle Applications

Mevotech MS50405 is a suspension control arm bushing built for rear at knuckle upper locations on select GM minivans and crossovers. It uses natural rubber construction to support suspension articulation while helping maintain proper control arm location and ride quality.

Key Features

  • Natural rubber bushing material for suspension isolation and compliance
  • Designed for rear at knuckle (upper) mounting positions
  • Inside diameter: 0.56 in.
  • Outside diameter: 1.58 in.
  • Length: 4.05 in.
  • Mounting hardware included
  • Rhodium finish
  • Mevotech MS50405 replacement part number

Detailed Description

This Mevotech suspension control arm bushing is intended for rear knuckle upper applications on vehicles such as the Buick Rendezvous, Buick Terraza, Chevrolet Uplander, Pontiac Montana, Pontiac Aztek, and Oldsmobile Silhouette. The natural rubber design helps restore the bushing interface between the control arm and knuckle, supporting stable suspension movement and consistent alignment geometry. If you are replacing a worn Mevotech MS50405-style bushing on a GM platform with independent rear suspension, this part provides a direct service replacement for the listed applications.

This part cross-references MOOG Chassis Products K200840 for the same application.

What It Helps Address

  • Clunking or knocking from the rear suspension
  • Excessive play at the control arm-to-knuckle connection
  • Uneven tire wear related to worn suspension bushings
  • Loose or unstable rear suspension feel
  • Alignment drift caused by deteriorated rubber bushings

Installation Notes and Tips

Verify the rear at knuckle upper position before installation and compare the original bushing dimensions to the listed measurements. Press-fit suspension bushings typically require proper removal and installation tools to avoid damaging the control arm or knuckle. Confirm vehicle configuration on Chevrolet Uplander models equipped with independent suspension, and match the part number MS50405 to the application before service.

Quality Assurance

Mevotech manufactures chassis and suspension service parts for OE-style repair applications. MS50405 is built to match the listed fitment and dimensional specifications for the supported Buick, Chevrolet, Pontiac, and Oldsmobile vehicles.

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2007BuickRendezvousFWDRear At Knuckle (Upper)
2006BuickRendezvousAWDRear At Knuckle (Upper)
2006BuickTerrazaAWDRear At Knuckle (Upper)
2006ChevroletUplanderAWDRear At Knuckle (Upper)Fits vehicles equipped with Independent Suspension.
2006PontiacMontanaAWDRear At Knuckle (Upper)
2005BuickRendezvousAWDRear At Knuckle (Upper)
2005BuickTerrazaAWDRear At Knuckle (Upper)
2005ChevroletUplanderAWDRear At Knuckle (Upper)Fits vehicles equipped with Independent Suspension.
2005PontiacAztekAWDRear At Knuckle (Upper)
2005PontiacMontanaAWDRear At Knuckle (Upper)
2004BuickRendezvousAWDRear At Knuckle (Upper)
2004OldsmobileSilhouetteAWDRear At Knuckle (Upper)
2004PontiacAztekAWDRear At Knuckle (Upper)
2004PontiacMontanaAWDRear At Knuckle (Upper)
2003BuickRendezvousAWDRear At Knuckle (Upper)
2003OldsmobileSilhouetteAWDRear At Knuckle (Upper)
2003PontiacAztekAWDRear At Knuckle (Upper)
2003PontiacMontanaAWDRear At Knuckle (Upper)
2002BuickRendezvousAWDRear At Knuckle (Upper)
2002OldsmobileSilhouetteAWDRear At Knuckle (Upper)
2002PontiacAztekAWDRear At Knuckle (Upper)
2002PontiacMontanaAWDRear At Knuckle (Upper)
2001OldsmobileSilhouetteFWDRear At Knuckle (Upper)
2001PontiacAztekAWDRear At Knuckle (Upper)
2001PontiacMontanaAWDRear At Knuckle (Upper)
2000OldsmobileSilhouetteFWDRear At Knuckle (Upper)
2000PontiacMontanaAWDRear At Knuckle (Upper)
1999OldsmobileSilhouetteFWDRear At Knuckle (Upper)
1999PontiacMontanaFWDRear At Knuckle (Upper)
1998OldsmobileSilhouetteFWDRear At Knuckle (Upper)
1997OldsmobileSilhouetteFWDRear At Knuckle (Upper)
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 905-504Dorman - OE Solutions — 905-505MOOG Chassis Products — K200840603.66002274936457910411806068418060685BK90856FA7741JBU989JBU990