(2) Upper Control Arm Arms Set for 1998-2010 Lexus GS300 GS400 GS430 SC430 Pair

This is a Set of Premium High Quality Control Arms Set. This item will fit the following vehicles:
1998-2005 Replacement Parts For Lexus GS3001998-2000 Replacement Parts For Lexus GS4002001-2005 Replacement Parts For Lexus GS4302002-2010 Replacement Parts For Lexus SC430

Kit Includes

1x Part# 4863039055 TO4863039055 2703-65979 RK620336 Driver Side Upper Control Arm1x Part# 4861039085 TO4861039085 2703-65978 RK620335 Passenger Side Upper Control Arm

High Quality Chassis Parts

• All of the ball studs on these parts are made with high quality alloy steel. 
• They are polished to eliminate friction, then hardened. 
• They are also covered with a Phosphate anti rust coating then tested.
• Manufacturing plants are ISO 9001 quality certified
• Throughout the manufacturing process, the plants utilize CNCs and specially designed tools and machines equipped with the latest technologies.
• In order to provide the best quality products,  the plant performs extensive tests and controls during the manufacturing process. Some of them are:
  • Material Surface Crack Test
  • Hardness Test
  • Roughness Test
  • Fatigue Test
  • Vibration Test
  • Surface Coating Thickness Test
  • Stud Breakaway Test
  • Stud Pull Out Test
  • Welding Tensile Strength Test
  • Buckling Test
  • Salt Spray Test (out sourced)
  • Leakage Test
  • SAE J193 Ball Stud and Socket Assembly Test Procedures

Condition: New

• Brand: Mac Auto Parts
• Placement on Vehicle: Left, Right, Front, Upper
• Manufacturer Part Number: 143170
• Manufacturer Warranty: Lifetime
• Interchange Part Number: 4861039085 4863039055 MACAUTO
• Other Part Number: 2703-65979 RK620336 2703-65978 RK620335