OER 1978-05 GM Cars & Trucks Idler Arm Assembly Various Models

Part Number: 18799-OER

OER 1978-05 GM Cars & Trucks Idler Arm Assembly Various Models

Part Number: 18799-OER

Original price was: $30.99.Current price is: $26.95.

In Stock

( Inventory updated: 06/06/2026 )

Estimated ship date: 2-3 business days

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1978-05 GM Cars & Trucks Idler Arm Assembly

Enhance the performance and safety of your classic GM vehicle with the high-quality Idler Arm Assembly designed for various models ranging from 1978 to 2005. This essential steering component plays a pivotal role in maintaining optimal steering response and ensuring a smooth ride. Whether you own a Chevrolet, Buick, Cadillac, or Pontiac, this idler arm assembly is the perfect solution for restoring your steering system back to its original glory.

Key Features and Benefits

  • Improved Steering Response: Experience enhanced handling and better control while driving.
  • Reduced Tire Wear: Proper alignment contributes to minimized tire degradation, saving you money in the long run.
  • Decreased Vibration: Enjoy a smoother ride with less road noise and less fatigue during longer journeys.
  • Vast Compatibility: Fits a wide range of GM vehicles including popular models from Chevrolet, Buick, Cadillac, Oldsmobile, Pontiac, and GMC.
  • Complete Kit: Each assembly comes with everything you need for a hassle-free installation, including the idler arm, bracket assembly, dust boot, and grease fitting.

Technical Specifications

  • Length Center to Center: 6.137 inches
  • Hardware Included: Yes
  • Ball Design: Yes
  • Arm Type: Bent
  • Arm Fixture: Hole
  • Bracket Fixture: Ball
  • Arm Fixture Stud Thread/Hole I.D.: 0.481 inches
  • Number of Holes: 2
  • Greasable: Yes

Fitment Information

This idler arm assembly is compatible with a wide range of GM vehicles:

Buick Applications:

  • 1978-81 Century
  • 1978-84 Electra
  • 1985-90 Electra FWD
  • 1985-90 Electra RWD
  • 1980-83 Estate Wagon
  • 1978-90 LeSabre
  • 1978-87 Regal
  • 1978 Riviera
  • 1991-96 Roadmaster

Cadillac Applications:

  • 1987-92 Brougham
  • 1992-96 Commercial Chassis
  • 1978-84 Deville
  • 1993-96 Fleetwood
  • 1978-86 Fleetwood RWD

Chevrolet Passenger Car Applications:

  • 1978-96 Caprice
  • 1978-85 Impala
  • 1994-96 Impala SS
  • 1978-83 Malibu
  • 1978-88 Monte Carlo

Chevrolet Truck Applications:

  • 1995-05 Blazer 2WD
  • 1978-87 El Camino
  • 1983-94 S10 Blazer 2WD
  • 1982-03 S10 Pickup 2WD
  • 1982 S10 Pickup 4WD

GMC Truck Applications:

  • 1978-87 Caballero
  • 1992-01 Jimmy 2WD
  • 1983-91 S15 Jimmy 2WD
  • 1982-90 S15 Pickup 2WD
  • 1982 S15 Pickup 4WD
  • 1991-03 Sonoma 2WD

Oldsmobile Applications:

  • 1978-92 Custom Cruiser
  • 1978-81 Cutlass
  • 1978-84 Cutlass Calais
  • 1980-83 Cutlass Cruiser
  • 1978-87 Cutlass Salon
  • 1978-88 Cutlass Supreme
  • 1978-85 Delta 88
  • 1978-84 Ninety Eight

Pontiac Applications:

  • 1978-86 Bonneville
  • 1978-81 Catalina
  • 1978-80 Grand Am
  • 1978-87 Grand Prix
  • 1978-81 LeMans
  • 1983-86 Parisienne
  • 1987-89 Safari

Revive your steering performance with this Idler Arm Assembly. Whether for restoration or maintenance, this component guarantees the quality and durability you expect from OER. Don’t compromise on safety or performance – enhance your vehicle today!

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OER

Original Equipment Reproduction - OER - is the leading manufacturer and distributor of quality classic automotive restoration parts and accessories. OER products are meticulously manufactured to replicate the OEM appearance, quality and fit that meets or exceeds the original factory specifications.

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