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A control arm, also known as an A-arm, is a hinged suspension link between the chassis and the suspension upright or hub that carries the wheel.
The inboard (chassis) end of a control arm is attached by a single pivot, usually a rubber bushing. It can thus control the position of the outboard end in only a single degree of freedom, maintaining the radial distance from the inboard mount. Although not deliberately free to move, the single bushing does not control the arm from moving back and forth; this motion is constrained by a separate link or radius rod.
This is in contrast to the wishbone. Wishbones are triangular and have two widely spaced inboard bearings. These constrain the outboard end of the wishbone from moving back and forth, controlling two degrees of freedom, and without requiring additional links.

Manufacturer Part Number: RK620302, 2003 2004 2005 2006 2007 2008 2009 2010,CK620302, K620302, 03 04 05 06 07 08 09 10 11 2011,25984680, CK620301, K620301, RK620301, 25984681

Color: Black

Light Bulb Type:

AKKON

AKKON - For Chevrolet Cobal HHR Pontiac G5 Pursuit Saturn Ion Front Driver Passenger Side FE1 Suspension Lower Control Arm

SKU CALFCCO05D_CALFCCO05P
$68.88
A control arm, also known as an A-arm, is a hinged suspension link between the chassis and the suspension upright or hub that carries the wheel.
The inboard (chassis) end of a control arm is attached by a single pivot, usually a rubber bushing. It can thus control the position of the outboard end in only a single degree of freedom, maintaining the radial distance from the inboard mount. Although not deliberately free to move, the single bushing does not control the arm from moving back and forth; this motion is constrained by a separate link or radius rod.
This is in contrast to the wishbone. Wishbones are triangular and have two widely spaced inboard bearings. These constrain the outboard end of the wishbone from moving back and forth, controlling two degrees of freedom, and without requiring additional links.

Manufacturer Part Number: RK620302, 2003 2004 2005 2006 2007 2008 2009 2010,CK620302, K620302, 03 04 05 06 07 08 09 10 11 2011,25984680, CK620301, K620301, RK620301, 25984681

Color: Black

Light Bulb Type:
$68.88

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