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Vehicle Fit

This Front Driver Side Wiper Arm is among the highest quality replacements on the market. It's just what you need to get your vehicle in good working order again!


  • Fits LH (Driver Side)
  • Replaces dealer part numbers: 15237916
  • Direct replacement
  • Built to strict quality control standards

Your windshield wiper arm not only holds the wiper blade, but also has the spring that applies the necessary pressure to your wiper blade to ensure a clear view. If you have recently replaced your wiper blades and still experience streaks or wiper skipping, your wiper arm may be worn out.

Replace your worn or missing wiper arm now with this great fitting alternative. It makes a great replacement and has good cost savings over a dealer unit.

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Formaldehyde and Toluene, which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Removing the Wiper Arm (0:40)
    • Disconnect the washer hose from the wiper arm
    • Pry off the wiper arm cap
    • Remove the 13mm nut from the wiper arm
    • Use a flat blade screwdriver to loosen the wiper arm
    • Pull the wiper arm up and out
  2. step : Disconnecting the Wiper Blade (1:20)
    • Pull the wiper blade back and push on the tab
    • Slide the wiper blade down and off the hook
  3. step : Reconnecting the Wiper Blade (1:35)
    • Slide the hook through the wiper blade
    • Slide the wiper blade up onto the hook till it clicks
  4. step : Installing the Wiper Arm (1:42)
    • Place the wiper arm onto the stud
    • Align the wiper arm
    • Replace the 13mm nut and cap onto the wiper arm
    • Shorten the washer hose with a pair of scissors and reconnect it

Tools needed for replacement:

    Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 13mm Socket

5.00/ 5.0
5 Stars
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1 Star
Wiper arm
Great fit finally my sprayer is working and my wipers are working like new you have the right parts the dealer was going to take me for much more and for the same part keep up guys Ill be buying more parts from 1A parts
March 6, 2017
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Year Make Model Description
1997-2005Buick Century Buick Century Windshield Wiper Arm Driver Side Dorman 42539
1997-2004Buick Regal Buick Regal Windshield Wiper Arm Driver Side Dorman 42539
2000-2005Chevy Impala Chevy Impala Windshield Wiper Arm Driver Side Dorman 42539
2000-2005Chevy Monte Carlo Chevy Monte Carlo Windshield Wiper Arm Driver Side Dorman 42539
1998-2002Oldsmobile Intrigue Olds Intrigue Windshield Wiper Arm Driver Side Dorman 42539
1997-2003Pontiac Grand Prix Pontiac Grand Prix Windshield Wiper Arm Driver Side Dorman 42539
Part #: 1AWWA00030

Out of Stock

Brand #: 42539

How-to Video:

(02:43 min)