HomeSteering > Steering, Gear and Related ComponentsMoog K5143 Steering Idler Arm
Part #: K5143

Moog K5143 Steering Idler Arm

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59 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, GMC, Oldsmobile, and Pontiac, GS, GS 455, Skylark, Chevelle, El Camino, Monte Carlo, Sprint, Cutlass, Cutlass Supreme, F85, Vista Cruiser, Grand Prix, GTO, LeMans, Sportwagon, 442, Tempest, GS 350, GS 400, Special, and Malibu
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Reliable Steering Idler Arm for Classic GM Vehicles

The Moog K5143 steering idler arm is engineered to provide precise steering control and durability for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with pre-greased components and grease fittings included, this idler arm ensures smooth operation and extended service life.

  • Pre-greased for immediate installation and reduced maintenance
  • Includes grease fitting for easy lubrication
  • Mounting hole diameter of 2.402 inches (61.0 mm) for secure fitment
  • Length measures 125.0 mm (4.921 inches) for proper alignment
  • Compatible with multiple GM classic models including Cutlass, El Camino, and Monte Carlo

Product Details and Specifications

The Moog K5143 steering idler arm features a length of 125.0 mm (4.921 inches), designed to match factory specifications for a precise fit. It comes pre-greased and includes a grease fitting, allowing for straightforward maintenance and ensuring consistent steering performance. The mounting hole diameter measures 2.402 inches (61.0 mm), providing a secure and stable connection to the vehicle’s steering system. This part is specifically compatible with Buick Cutlass and Cutlass Supreme, Chevrolet El Camino, Malibu, and Monte Carlo, Oldsmobile Cutlass Supreme, Grand Prix, LeMans, and Pontiac GTO, Skylark, and Tempest models.

Compatible Vehicles and Applications

  • Buick Cutlass and Cutlass Supreme
  • Chevrolet El Camino, Malibu, Monte Carlo
  • Oldsmobile Cutlass Supreme, Grand Prix, LeMans
  • Pontiac GTO, Skylark, Tempest

This steering idler arm is designed to restore proper steering geometry and improve handling on these classic GM vehicles, ensuring safe and reliable operation.

Common Issues Addressed by the Moog K5143

  • Excessive play or looseness in the steering linkage
  • Uneven or unstable steering response
  • Premature wear due to lack of lubrication
  • Noise or binding in the steering system
  • Misalignment causing uneven tire wear

Installation Notes and Tips

Installation of the Moog K5143 steering idler arm requires proper alignment and torque specifications to maintain steering accuracy. The included grease fitting allows for easy lubrication after installation, which helps extend the part’s service life. It is recommended to inspect related steering components during installation to ensure overall system integrity.

Quality Assurance and Warranty

Moog parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The K5143 steering idler arm comes pre-greased and includes a grease fitting to facilitate maintenance. While specific warranty details vary, Moog typically offers coverage against defects in materials and workmanship to support long-term use.

BrandMoog
Part NumberK5143
Grease Fitting IncludedYes
Length4.921
Length125.0
Mounting Hole Diameter2.402
Mounting Hole Diameter61.0
Pre-GreasedYes

This part fits 59 vehicles. Search below:

YearMakeModelPositionNotes
1972BuickSkylarkN/AFrom 10/9/72; Straight Arm; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces
1972ChevroletEl CaminoN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1972ChevroletMonte CarloN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1972OldsmobileCutlassN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1972OldsmobileCutlass SupremeN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1972PontiacGrand PrixN/AStraight Arm; Thru 10/9/72; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces
1972PontiacGTON/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1972PontiacLeMansN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1971BuickSkylarkN/AStraight Arm; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces
1971ChevroletEl CaminoN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1971ChevroletMonte CarloN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1971OldsmobileCutlassN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1971OldsmobileCutlass SupremeN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1971PontiacGrand PrixN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1971PontiacLeMansN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1970BuickSkylarkN/AStraight Arm; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces
1970ChevroletEl CaminoN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1970ChevroletMonte CarloN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1970OldsmobileCutlassN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1970OldsmobileCutlass SupremeN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1970PontiacGrand PrixN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1970PontiacGTON/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1970PontiacLeMansN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1970PontiacTempestN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1969BuickSkylarkN/AStraight Arm; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces
1969ChevroletEl CaminoN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1969OldsmobileCutlassN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1969OldsmobileCutlass SupremeN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1969PontiacGrand PrixN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1969PontiacGTON/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1969PontiacLeMansN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1969PontiacTempestN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1968BuickSkylarkN/AStraight Arm; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces
1968ChevroletEl CaminoN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1968OldsmobileCutlassN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1968OldsmobileCutlass SupremeN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1968PontiacGTON/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1968PontiacLeMansN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1968PontiacTempestN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1967OldsmobileCutlassN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1967OldsmobileCutlass SupremeN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1967PontiacGTON/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1967PontiacLeMansN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1967PontiacTempestN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1966OldsmobileCutlassN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1966PontiacGTON/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1966PontiacLeMansN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1966PontiacTempestN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1965OldsmobileCutlassN/A13/16 inch Diameter Center Link with Powdered-Metal Gusher Bearing for Grease Penetration
1965PontiacGTON/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1965PontiacLeMansN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1965PontiacTempestN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1964BuickSkylarkN/A13/16 inch Diameter Center Link with Powdered-Metal Gusher Bearing for Grease Penetration
1964ChevroletEl CaminoN/A13/16 inch Diameter Center Link with Powdered-Metal Gusher Bearing for Grease Penetration
1964ChevroletMalibuN/A13/16 inch Diameter Center Link with Powdered-Metal Gusher Bearing for Grease Penetration
1964OldsmobileCutlassN/A13/16 inch Diameter Center Link with Powdered-Metal Gusher Bearing for Grease Penetration
1964PontiacGTON/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1964PontiacLeMansN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
1964PontiacTempestN/AEnhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

09-820110982011E1230878118634268-341638440313905783450-1005450-1005B45C100546C1005A52295432535-6605678345620.660236216602378008997801909780800680514358634K982011B3-128FA443FA753FC443IA-8634IA1003IA5143JIA217K5143MK5143XK5143

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.