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Suspension Control Arm

What are Control Arms and what do they do?

What are Control Arms and what do they do?

The Control Arm is a rod that connects the wheels of the car to the steering mechanism while managing the ups and downs of the road conditions. It is sometimes called a “wishbone” because of its shape. The upper control arm and lower control arm work together to stabilize steering as your wheels adapt to any irregularities on the road surface.

When should I replace the Control Arms?

If you find the steering of your vehicle seems “loose” or unpredictable, you may need to replace the control arms or the bushings that cushion the connection between the wheel and the control arms. You may hear a “clunking” sound when you brake or accelerate or notice uneven tire wear.

What happens if I don’t?

If you don’t replace worn out bushings and/or failing control arm, the steering can become erratic. Eventually, the control arms could break and one or both of the wheels may turn in or out and could even fall off. This is a dangerous loss of control and could cause an accident.

The Kings have found 4530 part(s)

  1. Dorman - First Stop Suspension Control Arm 520-572

    Part Number: 520-572
    Position: N/A
    Features:
    • Dorman - OE Solutions Includes Bushings (Ball Joint); Rear Right Upper; Axle Code YC; YA; YFM; YFN; YFP; YGM; YGN; YGP; YHM; YHN; YHP
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    1977-1984 Cadillac DeVille All
    1977-1984 Oldsmobile Custom Cruiser All
    1977-1986 Cadillac Fleetwood All
    1978 Pontiac Grand Safari All
    1978 Buick Riviera All
    1978-1979 Buick Estate Wagon All
    1978-1980 Pontiac Catalina All
    1978-1980 Pontiac Bonneville All
    1978-1984 Oldsmobile 98 All
    1978-1984 Oldsmobile Delta 88 All
    1978-1985 Chevrolet Impala All
    1978-1986 Chevrolet Caprice All
    1978-1986 Buick Electra All
    1978-1986 Buick LeSabre All
    1983-1986 Pontiac Parisienne All
    1984 Oldsmobile Cutlass Supreme All
    1984 Oldsmobile Cutlass Calais All
    $31.86 Ships Free!
    (0)
    MSRP: $56.41
    Savings: 43.52%
    Quantity:
  2. Dorman - First Stop Front Left Lower Suspension Control Arm 521-365

    Part Number: 521-365
    Position: Front Left Lower
    Features:
    • Dorman - OE Solutions Front Left Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    1997-2001 Cadillac Catera All
    $146.22 Ships Free!
    (0)
    MSRP: $363.34
    Savings: Over 50%
    Quantity:
  3. Dorman - First Stop Suspension Control Arm 520-408

    Part Number: 520-408
    Position: N/A
    Features:
    • Dorman - OE Solutions Includes Bushings (Ball Joint); Front Right Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine Notes
    1987-1991 Toyota Camry All Includes Bushings (Ball Joint N/A)
    $65.81 Ships Free!
    (0)
    MSRP: $126.16
    Savings: 47.84%
    Quantity:
  4. Dorman - First Stop Suspension Control Arm 520-407

    Part Number: 520-407
    Position: N/A
    Features:
    • Dorman - OE Solutions Includes Bushings (Ball Joint); Front Left Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine Notes
    1987-1991 Toyota Camry All Includes Bushings (Ball Joint N/A)
    $65.81 Ships Free!
    (0)
    MSRP: $126.16
    Savings: 47.84%
    Quantity:
  5. Dorman - First Stop Suspension Control Arm 521-245

    Part Number: 521-245
    Position: N/A
    Features:
    • Dorman - OE Solutions Includes Ball Joint and Bushings; Front Left Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    1985-1992 Volkswagen Jetta All
    1987-1992 Volkswagen Golf All
    1990-1991 Volkswagen Corrado All
    1992 Volkswagen Corrado L4 1.8L
    $50.79 Ships Free!
    (0)
    MSRP: $148.54
    Savings: Over 50%
    Quantity:
  6. Dorman - First Stop Front Right Lower Suspension Control Arm 521-352

    Part Number: 521-352
    Position: Front Right Lower
    Features:
    • Dorman - OE Solutions Front Right Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    1999-2004 Honda Odyssey All
    $131.04 Ships Free!
    (0)
    MSRP: $266.95
    Savings: Over 50%
    Quantity:
  7. Dorman - First Stop Suspension Control Arm 521-387

    Part Number: 521-387
    Position: N/A
    Features:
    • Dorman - OE Solutions Includes Ball Joint and Bushings; Front Left Lower; RWD; Exc. Off Road Chassis Pkg.
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    2004-2010 GMC Canyon All
    2004-2010 Chevrolet Colorado All
    $114.08 Ships Free!
    (0)
    MSRP: $220.15
    Savings: 48.18%
    Quantity:
  8. Dorman - First Stop Suspension Control Arm 521-032

    Part Number: 521-032
    Position: Front Lower Right
    Features:
    • Dorman - OE Solutions Front Right Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    2004 Oldsmobile Bravada All
    2004-2007 Isuzu Ascender All
    2004-2007 GMC Envoy All
    2004-2007 Buick Rainier All
    2004-2007 Chevrolet Trailblazer All
    2005-2007 Saab 9-7x All
    $152.97 Ships Free!
    (0)
    MSRP: $293.34
    Savings: 47.85%
    Quantity:
  9. Dorman - First Stop Suspension Control Arm 521-031

    Part Number: 521-031
    Position: Front Lower Left
    Features:
    • Dorman - OE Solutions Front Left Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    2004 Oldsmobile Bravada All
    2004-2007 Isuzu Ascender All
    2004-2007 GMC Envoy All
    2004-2007 Buick Rainier All
    2004-2007 Chevrolet Trailblazer All
    2005-2007 Saab 9-7x All
    $152.97 Ships Free!
    (0)
    MSRP: $309.60
    Savings: Over 50%
    Quantity:
  10. Dorman - First Stop Suspension Control Arm 520-952

    Part Number: 520-952
    Position: N/A
    Features:
    • Dorman - OE Solutions Includes Bushings (Ball Joint); Front Right Lower; RWD
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine Drive Train Notes
    2003 Mercedes-Benz E500 All All Includes Bushings (Ball Joint N/A)
    2003-2005 Mercedes-Benz E320 All RWD Includes Bushings (Ball Joint N/A)
    2003-2006 Mercedes-Benz E55 AMG All All Includes Bushings (Ball Joint N/A)
    2004-2006 Mercedes-Benz E500 All RWD Includes Bushings (Ball Joint N/A)
    2006 Mercedes-Benz CLS500 All All Control Arm-Includes Bushings (Ball Joint N/A)
    2006 Mercedes-Benz CLS55 AMG All All Control Arm-Includes Bushings (Ball Joint N/A)
    2006-2009 Mercedes-Benz E350 All RWD Includes Bushings (Ball Joint N/A)
    2006-2009 Mercedes-Benz E320 All All Includes Bushings (Ball Joint N/A)
    2007-2009 Mercedes-Benz E63 AMG All All Includes Bushings (Ball Joint N/A)
    2007-2009 Mercedes-Benz E550 All RWD Includes Bushings (Ball Joint N/A)
    2007-2010 Mercedes-Benz CLS63 AMG All All Includes Bushings (Ball Joint N/A)-Control Arm
    2007-2011 Mercedes-Benz CLS550 All All Control Arm-Includes Bushings (Ball Joint N/A)
    2008-2011 Mercedes-Benz CLS63 AMG All All Control Arm-Includes Bushings (Ball Joint N/A)
    2009-2010 Mercedes-Benz CLS550 All All Includes Bushings (Ball Joint N/A)-Control Arm
    $107.83 Ships Free!
    (0)
    MSRP: $240.64
    Savings: Over 50%
    Quantity:
  11. Dorman - First Stop Suspension Control Arm 521-027

    Part Number: 521-027
    Position: Front Lower Left
    Features:
    • Dorman - OE Solutions Front Lower Left
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    2005-2009 Chevrolet Equinox All
    2006-2007 Saturn Vue All
    2006-2009 Pontiac Torrent All
    $97.85 Ships Free!
    (0)
    MSRP: $224.97
    Savings: Over 50%
    Quantity:
  12. Dorman - First Stop Front Left Lower Suspension Control Arm 520-979

    Part Number: 520-979
    Position: Front Left Lower
    Features:
    • Dorman - OE Solutions Includes Bushings (Ball Joint); Front Left Lower; 4-Link Suspension; wo/Active Suspension
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine Notes
    2000-2004 Mercedes-Benz S430 All wo/Active Suspension-4-Link Suspension-Includes Bushings (Ball Joint N/A)
    2000-2006 Mercedes-Benz S500 All wo/Active Suspension-4-Link Suspension-Includes Bushings (Ball Joint N/A)
    2001 Mercedes-Benz S430 All Includes Bushings (Ball Joint N/A)-wo/Active Suspension-4-Link Suspension
    2001-2004 Mercedes-Benz S500 All Includes Bushings (Ball Joint N/A)-wo/Active Suspension-4-Link Suspension
    2001-2005 Mercedes-Benz S55 AMG All wo/Active Suspension-4-Link Suspension-Includes Bushings (Ball Joint N/A)
    2002 Mercedes-Benz S600 All
    2002-2006 Mercedes-Benz S430 All 4-Link Suspension-Includes Bushings (Ball Joint N/A)-wo/Active Suspension
    2003 Mercedes-Benz S500 All 4-Link Suspension-Includes Bushings (Ball Joint N/A)-wo/Active Suspension
    2003-2005 Mercedes-Benz S600 All Includes Bushings (Ball Joint N/A)-wo/Active Suspension-4-Link Suspension
    2003-2006 Mercedes-Benz S55 AMG All Includes Bushings (Ball Joint N/A)-wo/Active Suspension-4-Link Suspension
    2004 Mercedes-Benz S600 All wo/Active Suspension-4-Link Suspension-Includes Bushings (Ball Joint N/A)
    2006 Mercedes-Benz S65 AMG All Includes Bushings (Ball Joint N/A)-wo/Active Suspension-4-Link Suspension
    2006 Mercedes-Benz S350 All Includes Bushings (Ball Joint N/A)-wo/Active Suspension-4-Link Suspension
    2006 Mercedes-Benz S600 All 4-Link Suspension-Includes Bushings (Ball Joint N/A)-wo/Active Suspension
    $83.63 Ships Free!
    (0)
    MSRP: $154.80
    Savings: 45.98%
    Quantity:
  13. Dorman - First Stop Suspension Control Arm 520-951

    Part Number: 520-951
    Position: N/A
    Features:
    • Dorman - OE Solutions Includes Bushings (Ball Joint); Front Left Lower; RWD
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine Drive Train Notes
    2003 Mercedes-Benz E500 All All Includes Bushings (Ball Joint N/A)
    2003-2005 Mercedes-Benz E320 All RWD Includes Bushings (Ball Joint N/A)
    2003-2006 Mercedes-Benz E55 AMG All All Includes Bushings (Ball Joint N/A)
    2004-2006 Mercedes-Benz E500 All RWD Includes Bushings (Ball Joint N/A)
    2006 Mercedes-Benz CLS500 All All Control Arm-Includes Bushings (Ball Joint N/A)
    2006 Mercedes-Benz CLS55 AMG All All Control Arm-Includes Bushings (Ball Joint N/A)
    2006-2009 Mercedes-Benz E350 All RWD Includes Bushings (Ball Joint N/A)
    2006-2009 Mercedes-Benz E320 All All Includes Bushings (Ball Joint N/A)
    2007-2009 Mercedes-Benz E63 AMG All All Includes Bushings (Ball Joint N/A)
    2007-2009 Mercedes-Benz E550 All RWD Includes Bushings (Ball Joint N/A)
    2007-2010 Mercedes-Benz CLS63 AMG All All Includes Bushings (Ball Joint N/A)-Control Arm
    2007-2011 Mercedes-Benz CLS550 All All Control Arm-Includes Bushings (Ball Joint N/A)
    2008-2011 Mercedes-Benz CLS63 AMG All All Control Arm-Includes Bushings (Ball Joint N/A)
    2009-2010 Mercedes-Benz CLS550 All All Includes Bushings (Ball Joint N/A)-Control Arm
    $107.83 Ships Free!
    (0)
    MSRP: $240.64
    Savings: Over 50%
    Quantity:
  14. Dorman - First Stop Front Left Lower Suspension Control Arm 521-079

    Part Number: 521-079
    Position: Front Left Lower
    Features:
    • Dorman - OE Solutions Front Left Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    2004-2009 Nissan Quest All
    $80.69 Ships Free!
    (0)
    MSRP: $157.74
    Savings: 48.85%
    Quantity:
  15. Dorman - First Stop Front Right Lower Suspension Control Arm 521-080

    Part Number: 521-080
    Position: Front Right Lower
    Features:
    • Dorman - OE Solutions Front Right Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    2004-2009 Nissan Quest All
    $81.25 Ships Free!
    (0)
    MSRP: $157.74
    Savings: 48.49%
    Quantity:
  16. Dorman - First Stop Front Left Upper Suspension Control Arm 521-355

    Part Number: 521-355
    Position: Front Left Upper
    Features:
    • Dorman - OE Solutions Front Left Upper
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    2006-2009 Ford Explorer All
    2006-2009 Mercury Mountaineer All
    2007-2009 Ford Explorer Sport Trac All
    $54.35 Ships Free!
    (0)
    MSRP: $105.70
    Savings: 48.58%
    Quantity:
  17. Dorman - First Stop Front Right Upper Suspension Control Arm 521-356

    Part Number: 521-356
    Position: Front Right Upper
    Features:
    • Dorman - OE Solutions Front Right Upper
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    2006-2009 Ford Explorer All
    2006-2009 Mercury Mountaineer All
    2007-2009 Ford Explorer Sport Trac All
    $54.35 Ships Free!
    (0)
    MSRP: $96.27
    Savings: 43.54%
    Quantity:
  18. Dorman - First Stop Suspension Control Arm 521-108

    Part Number: 521-108
    Position: N/A
    Features:
    • Dorman - OE Solutions Includes Ball Joint and Bushings; Front Right Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    2007-2011 Jeep Patriot All
    2007-2011 Jeep Compass All
    2007-2011 Dodge Caliber All
    $98.50 Ships Free!
    (0)
    MSRP: $214.87
    Savings: Over 50%
    Quantity:
  19. Dorman - First Stop Suspension Control Arm 521-109

    Part Number: 521-109
    Position: N/A
    Features:
    • Dorman - OE Solutions Includes Ball Joint and Bushings; Front Left Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    2007-2011 Jeep Patriot All
    2007-2011 Jeep Compass All
    2007-2011 Dodge Caliber All
    $98.50 Ships Free!
    (0)
    MSRP: $214.87
    Savings: Over 50%
    Quantity:
  20. Dorman - First Stop Front Left Lower Suspension Control Arm 521-351

    Part Number: 521-351
    Position: Front Left Lower
    Features:
    • Dorman - OE Solutions Front Left Lower
    Condition: New
    This product fits the following vehicles open
    Vehicle Engine
    1999-2004 Honda Odyssey All
    $131.04 Ships Free!
    (0)
    MSRP: $266.95
    Savings: Over 50%
    Quantity:
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How to do it: Replacing your Control Arms:

  1. Park your vehicle on a safe, level surface and apply the parking brake. Loosen the lug nuts on the front wheel, but don’t remove it.
  2. Safely raise your vehicle and stabilize (do not rely solely on a jack).
  3. Then remove the front wheel by loosening the lug nuts.
  4. Release the tension on the torsion bar (if you have torsion bar suspension). If you have a coil spring suspension, support the lower control arm and make sure the compressed spring will not be released – this is a potentially dangerous situation -- before removing the lower control arm.
  5. Loosen the ball joint nut by removing the cotter pin or pinch bolt.
  6. Pull the ball joint away from the knuckle, remove the nut and hold the knuckle out of the way.
  7. At this point, unbolt any parts that are connected to the lower control arm car.
  8. Remove the control arm by taking out the mounting bolts.
  9. Put the new control arm replacement in its place and tighten the bolts. IMPORTANT: Wait until the vehicle is on the ground before torqueing the bolts.
  10. Replace the knuckle on the new control arm and torque the castle nut to required specs.
  11. Install a new cotter pin and re-position all the components on the car control arm.
  12. Put the front wheel back on and tighten the lug nuts. Lower the vehicle to the ground and torque down the lug nuts and control arm bolts.

Anything else I need to know?

Your suspension control arm should be lubricated every time you change your oil. These parts are important to the safe operation of your vehicle and a comfortable ride. Inspect sway bar links and bushings, as well as ball joints, struts and mounts and replace if necessary.

Choose the right Control Arm replacement parts online from our wide selection at Car Part Kings. Our Live Support is ready to answer your questions and make sure you get the part that fits.