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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.
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.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Buick | Rendezvous | FWD | Rear At Knuckle (Upper) | — |
| 2006 | Buick | Rendezvous | AWD | Rear At Knuckle (Upper) | — |
| 2006 | Buick | Terraza | AWD | Rear At Knuckle (Upper) | — |
| 2006 | Chevrolet | Uplander | AWD | Rear At Knuckle (Upper) | Fits vehicles equipped with Independent Suspension. |
| 2006 | Pontiac | Montana | AWD | Rear At Knuckle (Upper) | — |
| 2005 | Buick | Rendezvous | AWD | Rear At Knuckle (Upper) | — |
| 2005 | Buick | Terraza | AWD | Rear At Knuckle (Upper) | — |
| 2005 | Chevrolet | Uplander | AWD | Rear At Knuckle (Upper) | Fits vehicles equipped with Independent Suspension. |
| 2005 | Pontiac | Aztek | AWD | Rear At Knuckle (Upper) | — |
| 2005 | Pontiac | Montana | AWD | Rear At Knuckle (Upper) | — |
| 2004 | Buick | Rendezvous | AWD | Rear At Knuckle (Upper) | — |
| 2004 | Oldsmobile | Silhouette | AWD | Rear At Knuckle (Upper) | — |
| 2004 | Pontiac | Aztek | AWD | Rear At Knuckle (Upper) | — |
| 2004 | Pontiac | Montana | AWD | Rear At Knuckle (Upper) | — |
| 2003 | Buick | Rendezvous | AWD | Rear At Knuckle (Upper) | — |
| 2003 | Oldsmobile | Silhouette | AWD | Rear At Knuckle (Upper) | — |
| 2003 | Pontiac | Aztek | AWD | Rear At Knuckle (Upper) | — |
| 2003 | Pontiac | Montana | AWD | Rear At Knuckle (Upper) | — |
| 2002 | Buick | Rendezvous | AWD | Rear At Knuckle (Upper) | — |
| 2002 | Oldsmobile | Silhouette | AWD | Rear At Knuckle (Upper) | — |
| 2002 | Pontiac | Aztek | AWD | Rear At Knuckle (Upper) | — |
| 2002 | Pontiac | Montana | AWD | Rear At Knuckle (Upper) | — |
| 2001 | Oldsmobile | Silhouette | FWD | Rear At Knuckle (Upper) | — |
| 2001 | Pontiac | Aztek | AWD | Rear At Knuckle (Upper) | — |
| 2001 | Pontiac | Montana | AWD | Rear At Knuckle (Upper) | — |
| 2000 | Oldsmobile | Silhouette | FWD | Rear At Knuckle (Upper) | — |
| 2000 | Pontiac | Montana | AWD | Rear At Knuckle (Upper) | — |
| 1999 | Oldsmobile | Silhouette | FWD | Rear At Knuckle (Upper) | — |
| 1999 | Pontiac | Montana | FWD | Rear At Knuckle (Upper) | — |
| 1998 | Oldsmobile | Silhouette | FWD | Rear At Knuckle (Upper) | — |
| 1997 | Oldsmobile | Silhouette | FWD | Rear At Knuckle (Upper) | — |
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