Dorman 42792 Windshield Wiper Arm - Front Right
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Dorman

Dorman 42792 Windshield Wiper Arm - Front Right

Brand Dorman 42792
Position Front Right
Attachment Method Spine / Flange Nut
Color Black
Instruction Manual Included No
Length 24.75
Material Steel
Package Contents Wiper Arm
Universal Or Specific Fit Specific
Wiper End Type Pin
Fits Buick, Oldsmobile, Cadillac, Chevrolet, and Pontiac · 111 vehicles

OE-style replacement. Matches the fit and function of the original arm.

Steel construction. Built for durability and reliable performance.

Specific fit design. Made for a precise, application-specific installation.

Cross-references 43-30, 427922 and 20004889 for the same application. See all 3.

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Dorman 42792 Front Right Wiper Arm

Dorman 42792 is a specific-fit windshield wiper arm for the front right position on select GM full-size cars and wagons. Built from steel with a black finish, it is designed to match the fit and function of the original arm on listed vehicles for dependable windshield wiping performance.

Key Features

  • Steel construction for strength and durability
  • Black finish for an OE-style appearance
  • Specific fit for the front right wiper position
  • Spine / flange nut attachment method
  • Pin-style wiper end type
  • Direct replacement for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac applications

Detailed Description

This windshield wiper arm is engineered for vehicles that require a front right replacement with a spine / flange nut attachment and pin-style blade connection. It is a direct-fit solution for applications such as the Chevrolet Caprice, Cadillac DeVille, Oldsmobile 98, Buick LeSabre, and Pontiac Bonneville, helping restore proper wiper arm geometry and blade contact across the windshield. Part number 42792 is also referenced by cross numbers 43-30 and 427922 for the same application.

What It Helps Solve

  • Wiper arm wear, bending, or loss of tension
  • Poor windshield contact from a damaged arm
  • Incorrect fit after replacing a factory arm
  • Reduced wiping performance on the front right side
  • Fitment issues on vehicles requiring a pin-end, flange-nut style arm

Installation Notes and Tips

Verify the vehicle’s front right application before ordering, since this part is specific fit and not universal. Confirm the arm length, attachment style, and wiper end type match the original equipment on your vehicle. This part does not include an instruction manual. Fits 1977-1990 Buick LeSabre, front right; Fits 1977-1988 Chevrolet Caprice, front right; Fits 1977-1984 Cadillac DeVille, front right; Fits 1977-1985 Oldsmobile Delta 88, front right; Fits 1977-1981 Pontiac Bonneville, front right.

Quality Assurance

Dorman designs replacement components to match original fit and function on specified vehicles. Part number 42792 is built as a direct replacement wiper arm for listed applications, with materials and attachment details selected to align with OE-style service requirements.

Related reading

This part fits 111 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelDrive TypePositionNotes
1990BuickLeSabre—RWDFront Right—
1990OldsmobileCustom Cruiser——Front Right—
1989BuickLeSabre—RWDFront Right—
1989CadillacBrougham——Front Right—
1989ChevroletCaprice——Front Rightwo/Nozzle In Arm
1989OldsmobileCustom Cruiser——Front Right—
1989PontiacSafari——Front Right—
1988BuickLeSabre—RWDFront Right—
1988CadillacBrougham——Front Right—
1988ChevroletCaprice——Front Right—
1988OldsmobileCustom Cruiser——Front Right—
1988PontiacSafari——Front Right—
1987BuickLeSabre—RWDFront Right—
1987CadillacBrougham——Front Right—
1987ChevroletCaprice——Front Right—
1987OldsmobileCustom Cruiser——Front Right—
1987PontiacSafari——Front Right—
1986BuickLeSabre—RWDFront Right—
1986CadillacFleetwood—RWDFront Right—
1986ChevroletCaprice——Front Right—
1986OldsmobileCustom Cruiser——Front Right—
1986PontiacParisienne——Front Right—
1985BuickLeSabre——Front Right—
1985CadillacFleetwood—RWDFront Right—
1985ChevroletCaprice——Front Right—
1985ChevroletImpala——Front Right—
1985OldsmobileCustom Cruiser——Front Right—
1985OldsmobileDelta 88——Front Right—
1985PontiacParisienne——Front Right—
1984BuickLeSabre——Front Right—
1984CadillacDeVille——Front Right—
1984CadillacFleetwood——Front Right—
1984ChevroletCaprice——Front Right—
1984ChevroletImpala——Front Right—
1984Oldsmobile98——Front Right—
1984OldsmobileCustom Cruiser——Front Right—
1984OldsmobileDelta 88——Front Right—
1984PontiacParisienne——Front Right—
1983BuickLeSabre——Front Right—
1983BuickRegalEstate Wagon—Front Right—
1983CadillacDeVille——Front Right—
1983CadillacFleetwood——Front Right—
1983ChevroletCaprice——Front Right—
1983ChevroletImpala——Front Right—
1983Oldsmobile98——Front Right—
1983OldsmobileCustom Cruiser——Front Right—
1983OldsmobileDelta 88——Front Right—
1983PontiacParisienne——Front Right—
1982BuickLeSabre——Front Right—
1982BuickRegalEstate Wagon—Front Right—
1982CadillacDeVille——Front Right—
1982CadillacFleetwood——Front Right—
1982ChevroletCaprice——Front Right—
1982ChevroletImpala——Front Right—
1982Oldsmobile98——Front Right—
1982OldsmobileCustom Cruiser——Front Right—
1982OldsmobileDelta 88——Front Right—
1981BuickCentury——Front Right—
1981BuickLeSabre——Front Right—
1981CadillacDeVille——Front Right—
1981CadillacFleetwood——Front Right—
1981ChevroletCaprice——Front Right—
1981ChevroletImpala——Front Right—
1981Oldsmobile98——Front Right—
1981OldsmobileCustom Cruiser——Front Right—
1981OldsmobileDelta 88——Front Right—
1981PontiacBonneville——Front Right—
1981PontiacCatalina——Front Right—
1980BuickCentury——Front Right—
1980BuickLeSabre——Front Right—
1980CadillacDeVille——Front Right—
1980CadillacFleetwood——Front Right—
1980ChevroletCaprice——Front Right—
1980ChevroletImpala——Front Right—
1980Oldsmobile98——Front Right—
1980OldsmobileCustom Cruiser——Front Right—
1980OldsmobileDelta 88——Front Right—
1980PontiacBonneville——Front Right—
1980PontiacCatalina——Front Right—
1979BuickLeSabre——Front Right—
1979CadillacDeVille——Front Right—
1979CadillacFleetwood——Front Right—
1979ChevroletCaprice——Front Right—
1979ChevroletImpala——Front Right—
1979Oldsmobile98——Front Right—
1979OldsmobileCustom Cruiser——Front Right—
1979OldsmobileDelta 88——Front Right—
1979PontiacBonneville——Front Right—
1979PontiacCatalina——Front Right—
1978BuickLeSabre——Front Right—
1978BuickRiviera——Front Right—
1978CadillacDeVille——Front Right—
1978CadillacFleetwood——Front Right—
1978ChevroletCaprice——Front Right—
1978ChevroletImpala——Front Right—
1978Oldsmobile98——Front Right—
1978OldsmobileCustom Cruiser——Front Right—
1978OldsmobileDelta 88——Front Right—
1978PontiacBonneville——Front Right—
1978PontiacCatalina——Front Right—
1977BuickLeSabre——Front Right—
1977BuickRiviera——Front Right—
1977CadillacDeVille——Front Right—
1977CadillacFleetwood——Front Right—
1977ChevroletCaprice——Front Right—
1977ChevroletImpala——Front Right—
1977Oldsmobile98——Front Right—
1977OldsmobileCustom Cruiser——Front Right—
1977OldsmobileDelta 88——Front Right—
1977PontiacBonneville——Front Right—
1977PontiacCatalina——Front Right—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
43-3042792220004889