Front Left Windshield Wiper Arm for 1977-1985 Chevrolet Impala & More - Dorman 42742

$48.99

Dorman - HELP Windshield Wiper Arm 42742

Dorman - HELP Windshield Wiper Arm 42742 - view 2

Dorman - HELP Windshield Wiper Arm 42742 - view 3

Part number: 42742

UPC: 037495427425

Condition: New

Weight: 0.78 LBS

Item Package Quantity: 1

$48.99

Current Stock: 9

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Dorman - HELP Windshield Wiper Arm P/N:42742

$48.99

Description

Carry the blade across the windshield and hold it against the glass with the Dorman - HELP Windshield Wiper Arm 42742, built for the front left position. It fits many vehicles, among them the 1977-1985 Chevrolet Impala, 1977-1989 Chevrolet Caprice and 1977-1990 Buick LeSabre. See the "Vehicles it fits" section for the full list.

Direct replacement: Designed to fit and work like the original arm on the listed applications.
Replaces a failed arm: Intended for an original wiper arm that has failed from spring wear, snow damage or metal fatigue.
Durable construction: Made from quality materials and engineered for durability and reliable performance.
Trustworthy quality: Supported by a U.S.-based team of product experts and more than a century of automotive experience.

A worn arm may no longer press the blade firmly against the glass. That can show up as streaking, chattering, or a blade that lifts or skips across the windshield. If the arm is the cause, this Dorman wiper arm replaces it in the front left position. Consult the vehicle service information for removal steps and for setting the arm's park position on the glass.

Interchange: 43-31
20004890 · 427422 · 4331

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

This part cross-references / interchanges with the following part numbers:

43-31, 20004890, 427422

Buyer's Q&A

Frequently Asked Questions

What does the Dorman 42742 wiper arm do?

It mounts on the wiper pivot, carries the blade across the windshield, and uses spring tension to hold the blade against the glass.

Which position is this wiper arm for?

It is cataloged for the front left position on the listed applications.

Will this wiper arm fit a 1977-1985 Chevrolet Impala?

Yes. It is listed for the 1977-1985 Chevrolet Impala, the 1977-1989 Chevrolet Caprice and the 1977-1990 Buick LeSabre. Check the "Vehicles it fits" section for other vehicles.

What are signs a wiper arm may need replacing?

Signs include streaking or chattering from weak blade pressure, a bent or loose arm, and a blade that lifts off the glass. Spring wear, snow damage and metal fatigue can all cause an arm to fail.

How is this wiper arm installed?

It attaches to the wiper pivot shaft in place of the original arm. Follow the vehicle service information for removal steps and the correct park position on the glass.