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Dorman 42542 Windshield Wiper Arm - Rear
| Brand | Dorman 42542 |
|---|---|
| Position | Rear |
| Attachment Method | Spine / Flange Nut |
| Color | Black |
| Instruction Manual Included | No |
| Length | 12.55 |
| Material | Steel |
| Package Contents | Wiper Arm |
| Universal Or Specific Fit | Specific |
| Wiper End Type | Hook |
| Fits | Buick, Chevrolet, Pontiac, and Oldsmobile · 25 vehicles |
OE-style replacement. Matches the original arm's fit and function for a straightforward swap.
Steel construction. Built for durability and reliable performance.
Hook end design. Uses a common attachment style for secure wiper blade connection.
Cross-references 10323561 for the same application. See all 1.
Dorman Rear Wiper Arm for Select GM Vehicles
Dorman 42542 is a specific-fit rear windshield wiper arm built for select Buick, Pontiac, and Oldsmobile applications. It is made from steel with a black finish and uses a hook-style wiper end with a spine/flange nut attachment for a direct replacement on the listed vehicles.
Key Features
- Specific-fit rear wiper arm for listed applications
- Steel construction for durable service
- Black finish for a clean OE-style appearance
- Hook-style wiper end
- Spine/flange nut attachment method
- Designed to match the fit and function of the original arm
- Part number 42542 for easy identification
Detailed Description
This Dorman rear wiper arm is engineered to replace the original arm on select rear-wiper GM vehicles, including the 2002-2007 Buick Rendezvous, 2004-2005 Pontiac Aztek, 1999-2005 Pontiac Montana, 1997-2004 Oldsmobile Silhouette, and 1997-1998 Pontiac Trans Sport. The 12.55-inch steel arm is built for a direct, vehicle-specific fit and is designed to restore proper rear wiper operation without changing the original mounting style. If you are searching for a rear wiper arm for a 2002-2007 Buick Rendezvous or a rear wiper arm for a 1999-2005 Pontiac Montana, Dorman 42542 is the listed replacement.
This part cross-references OE number 10323561 for the same application.
What It Helps Address
- Rear wiper arm that no longer holds the blade in the correct position
- Corrosion or wear on the original steel arm
- Loose or damaged attachment at the wiper pivot
- Poor rear glass clearing caused by a bent or weakened arm
- Replacement needs after a broken or missing rear wiper arm
Installation Notes and Tips
Verify rear position fitment before ordering. This arm uses a hook-style wiper end and a spine/flange nut attachment, so confirm the vehicle’s original mounting style matches the part. Compare the length and shape of the existing arm to Dorman 42542 before installation. No instruction manual is included.
Quality Assurance
Dorman designs this windshield wiper arm to match the fit and function of the original arm on the specified vehicles. The steel construction and vehicle-specific design support consistent rear wiper performance on the listed Buick, Pontiac, and Oldsmobile applications.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Buick | Rendezvous | — | Rear | — |
| 2006 | Buick | Rendezvous | — | Rear | — |
| 2005 | Buick | Rendezvous | — | Rear | — |
| 2005 | Pontiac | Aztek | — | Rear | — |
| 2005 | Pontiac | Montana | Base | Rear | — |
| 2004 | Buick | Rendezvous | — | Rear | — |
| 2004 | Oldsmobile | Silhouette | — | Rear | — |
| 2004 | Pontiac | Aztek | — | Rear | — |
| 2004 | Pontiac | Montana | — | Rear | — |
| 2003 | Buick | Rendezvous | — | Rear | — |
| 2003 | Oldsmobile | Silhouette | — | Rear | — |
| 2003 | Pontiac | Montana | — | Rear | — |
| 2002 | Buick | Rendezvous | — | Rear | — |
| 2002 | Oldsmobile | Silhouette | — | Rear | — |
| 2002 | Pontiac | Montana | — | Rear | — |
| 2001 | Oldsmobile | Silhouette | — | Rear | — |
| 2001 | Pontiac | Montana | — | Rear | — |
| 2000 | Oldsmobile | Silhouette | — | Rear | — |
| 2000 | Pontiac | Montana | — | Rear | — |
| 1999 | Oldsmobile | Silhouette | — | Rear | — |
| 1999 | Pontiac | Montana | — | Rear | — |
| 1998 | Oldsmobile | Silhouette | — | Rear | — |
| 1998 | Pontiac | Trans Sport | — | Rear | — |
| 1997 | Oldsmobile | Silhouette | — | Rear | — |
| 1997 | Pontiac | Trans Sport | — | Rear | — |
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