1ASFK00129-Lexus GS300 GS400 GS430 SC430 Front Upper Control Arm with Ball Joint Pair


1998 Lexus GS400 Front Upper Control Arm with Ball Joint Pair

Guaranteed to fit: 1998 Lexus GS400

Fit Details

  • Location: Upper
  • Front or Rear Location: Front

Part Details

  • Quantity: Pair

This part replaces:

  • Dorman 520-458
  • Dorman 520-457
  • Hollander 511-58127R
  • Hollander 511-58127L
  • Moog K620335
  • Moog K620336
  • OE # 48630-39055
  • OE # 48610-39085
Save 21%
List: $108.95 Save: $23.00
Part 1ASFK00129
In Stock

Orders must be placed by 2pm ET
Delivery options for:

Estimated Arrival Cost

Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

DIY Solutions
Brand #: SUS00651

Frequently bought together

Vehicle Fit
Warranty & Shipping
How-To & Tools

Part Details

  • Quantity:   Pair


  • Fits both the LH (Driver) & RH (Passenger Sides) Front Upper control arm
  • Includes new bushings and ball joint already installed
  • Built to strict quality controls

Our control arms are designed to be direct replacements for the original factory parts.  They are 100% brand new and require no modifications for installation.  No special tools are required because all of the bushings come pre-installed.

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Chromium (Hexavalent Compounds), which is known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to www.P65Warnings.ca.gov.

Lifetime Warranty

This item is backed by our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.

  1. step : Removing the Wheel (0:41)
    • Loosen the lug nuts with the vehicle on the ground
    • Raise the vehicle with a floor jack
    • Secure the vehicle on jack stands
    • Remove the lug nuts
    • Pull off the wheel
  2. step : Removing the Upper Control Arm (1:11)
    • Apply rust penetrant to all nuts and bolts in the work area
    • Remove the 10 mm bolt securing the ABS wire
    • Remove the upper control arm castle nut retaining clip
    • Loosen the 17 mm upper control arm castle nut
    • Hammer the upper knuckle at the ball joint mounting point to loosen the ball joint stud
    • Remove the 17 mm upper control arm castle nut
    • Loosen the two 14 mm upper control arm mounting bolts
    • Remove the strut tower cap and bolt protectors
    • Remove the 14 mm strut mounting nuts with a 14 mm deep socket
    • Remove the 12 mm nut and bolt securing the sway bar link to the sway bar
    • Remove the sway bar link from the sway bar
    • Remove the strut from the strut tower enough to give clearance to remove the two 14 mm upper control arm bolts
    • Remove the 14 mm upper control bolts taking note of which bolt came from which side
    • Remove the upper control arm
  3. step : Installing the Upper Control Arm (16:04)
    • Install the upper control arm, using a hammer to tap it in place if necessary
    • Apply thread locker to the two 14 mm upper control arm mounting bolts
    • Replace the 14 mm upper control arm bolts and torque them to 39 ft-lb
    • Replace the three strut tower bolts though the strut tower
    • Replace the three 14 mm strut mount nuts and torque them to 41 ft-lb
    • Replace the strut tower bolt protectors and the strut tower cover
    • Replace the sway bar link in the sway bar
    • Replace the 12 mm sway bar link nut and bolt
    • Replace the upper control arm ball joint into the knuckle
    • Replace the 17 mm upper ball joint castle nut and torque it to 64 ft-lb
    • Install the upper ball joint castle nut cotter pin
    • Replace the 10 mm bolt securing the ABS wire
  4. step : Reattaching the Wheel (23:20)
    • Slide the wheel into place
    • Start the lug nuts by hand
    • Tighten the lug nuts preliminarily
    • Lower the vehicle to the ground
    • Tighten the lug nuts to 76 foot-pounds in a crossing or star pattern

Tools needed for replacement:

    General Tools

  • Hammer
  • Jack Stands
  • Floor Jack

  • Pliers, Cutters & misc Wrenches

  • Side Cutters

  • Ratchets & Related

  • Torque Wrench
  • 1/2 Inch Breaker Bar

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 21mm Socket
  • 12mm Socket
  • 10mm Socket
  • 14mm Deep Socket

  • Wrenches - Metric

  • 14mm Wrench

Need help? Ask one of our Auto Experts
Need help? Ask one of our Auto Experts
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
Do they have zerk fittings?
Barry T April 23, 2019
Our steering and suspension components are pre-greased and sealed for long life and do not require the extra maintenance typically required by greasable versions.
Christa R April 23, 2019

Fits the following Makes:

Year Make Model Description
1998-2001Lexus GS300 Lexus GS300 Front Upper Control Arm with Ball Joint Pair
2002-2003Lexus GS300 Lexus GS300 without Sport Package Front Upper Control Arm with Ball Joint Pair
2004-2005Lexus GS300 Lexus GS300 Front Upper Control Arm with Ball Joint Pair
1998-2000Lexus GS400 Lexus GS400 Front Upper Control Arm with Ball Joint Pair
2001-2005Lexus GS430 Lexus GS430 Front Upper Control Arm with Ball Joint Pair
2002-2010Lexus SC430 Lexus SC430 Front Upper Control Arm with Ball Joint Pair

Part Interchange

Brand Label Part Number
ACDelco 45D1203
ACDelco 45D1204
Beck / Arnley 102-5782
Beck / Arnley 102-5781
Beck / Arnley 101-5782
Beck / Arnley 101-5781
Beck/Arnley 101-5782
Beck/Arnley 102-5781
Beck/Arnley 101-5781
Beck/Arnley 102-5782
Centric Parts 623.44049
Centric Parts 623.44048
DIY Solutions SUS00651
DIY Solutions SUS05079
DIY Solutions SUS05067
Dorman 520-457
Dorman 520-458
Dorman - OE Solutions 520-458
Dorman - OE Solutions 520-457
Dorman OE Solutions 520-458
Dorman OE Solutions 520-457
MAS Industries CB64008
MAS Industries CB64007PR
MAS Industries CB64008PR
MAS Industries CB64007
MOOG RK620335
MOOG RK641530
MOOG K620335
MOOG CK620335
MOOG RK641529
MOOG RK620336
MOOG K620336
MOOG CK620336
MOOG Chassis Products RK641529
MOOG Chassis Products RK641530
MOOG Chassis Products CK620336
MOOG Chassis Products RK620335
MOOG Chassis Products CK620335
MOOG Chassis Products RK620336
MOOG Chassis Products K620336
MOOG Chassis Products K620335
Mcquay-Norris FA4923
Mcquay-Norris FA4922
Mevotech CMS861207
Mevotech CMS86105
Mevotech GS86104
Mevotech GS86105
Mevotech MS86104
Mevotech MS86105
Mevotech CMS86104
NAPA 260-5812
NAPA 260-5813
NAPA Premium 2605812
NAPA Premium 2605813
Precision Driveline 3CB86320
Precision Driveline CB86047
Precision Driveline 3CB86047
Precision Driveline CB86046
Precision Driveline 3CB86046
Raybestos Chassis 502-1198
Raybestos Chassis 502-1199
Toyota 4863039055
Toyota 4863039085
Toyota 4861039085
Toyota OEM 4863039085
Toyota OEM 4861039085
Toyota OEM 4863039055

This item may be interchangeable with parts from other brands with the above part numbers. This information is provided only for reference and does not guarantee that the item you are purchasing is identical to parts with part numbers from the brands listed above. To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.

DIY Solutions
Brand #: SUS00651
Product Reviews
4.50/ 5.0
2 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Easy instaltion
I would recomend this product if having to replace upper control arms cheaper alternative to oem and thyre not bad i have them on my 1998 lexus gs400 and they ride smooth good for the price
March 7, 2017
Lexus GS upper control arms
No major issues installing these upper control arms. They matched the OEM parts very well.
May 18, 2020
Customer service


Monday - Friday 8:00am - 9:30pm ET
Saturday - Sunday 8:00am - 4:30pm ET

Lexus is a registered trademark of Toyota Motor Corporation. 1A Auto is not affiliated with or sponsored by Lexus or Toyota Motor Corporation. See all trademarks.

Lexus GS300 GS400 GS430 SC430 Front Upper Control Arm with Ball Joint Pair-1ASFK00129 does not fit your:

Before proceeding,

select your Vehicle, to verify this Part will fit.

This part will only fit a 1998 Lexus GS400 with these options.