Poly Bushing Upper Lower Control Arm Set for 1999-2006 Chevrolet Silverado GMC Sierra 1500 K620380PU
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Replace the four front control arms with powder-coated steel assemblies equipped with polyurethane bushings.
Compatibility and Application
For matching torsion-bar front suspensions on supplier-listed 1999-2006 Chevrolet Silverado 1500 and GMC Sierra 1500. Also listed for selected 2000-2006 GM full-size SUVs; verify original arm design and ball-joint interfaces. Not a blanket fit for coil-spring or 2500HD suspensions.
Product Details
- 4 arms: left lower K620381PU, right lower K620380PU and 2 upper K80942PU assemblies.
- Upper arms include ball joints. Separate lower ball joints are not included in this four-arm package.
- Polyurethane bushings and powder-coated steel construction.
- Supplier identifier Z4J9OW; new aftermarket set.
Compare the original part, dimensions and mounting points before ordering. Professional installation is recommended. Confirm fasteners, suspension geometry and grease requirements before fitting. Polyurethane can transmit more road feel than rubber; no unsupported handling or service-life improvement is guaranteed. Wheel alignment is required after installation.
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