YITAMOTOR® 4PCS GMC Envoy Chevy Trailblazer Saab 9-7X Front Upper Control Arms Ball Joint
 | Q&A

YITAMOTOR® 4PCS GMC Envoy Chevy Trailblazer Saab 9-7X Front Upper Control Arms Ball Joint

: YITAMotor

 | Q&A
Regular price $59.99
Save $40 Off Over $250. Code:CD40 Get Now

- Ball Joint Assembly Already Pre-grease, no need for Additional Oil Injection
- Stamped from a Solid Piece of Steel and with Electrophoretic Coated, Durability and Strength
- Reverse-engineered to Match the OE Shape and Dimensions to Provide a Direct, Seamless
- The Ball Joint Included with a Dust Cover to Prevent Dust and Protect the Ball Joint from Damage Caused by Transportation
- 2 Year Warranty

Match your Vehicle before Purchase.

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In automotive suspension, 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. 


2004 - 2007 Buick Rainier
2003 - 2006 Chevy SSR
2002 - 2009 Chevy Trailblazer
2002 - 2006 Chevy Trailblazer EXT
2002 - 2009 GMC Envoy
2002 - 2006 GMC Envoy XL
2004 - 2005 GMC Envoy XUV
2003 - 2008 Isuzu Ascender
2002 - 2004 Oldsmobile Bravada
2005 - 2009 Saab 9-7X


  • OE Replacement

Designed and manufactured to directly replace OE parts for proper fit and alignment. 

  • Durability and Strength

Our control arms are forged from a solid piece of steel and are electrophoretic coated for unrivaled durability and strength. Greaseable parts are pre-greased requiring no additional work

  • Pre-greased

YITAMOTOR lubricated the necessary parts and filled enough grease in them, requiring no additional work

The suspension kit must be installed by professionals who need to carefully read important instructions shown in the picture. Please test in an empty area before getting back on the road.


California Residents: Prop 65 Warning

WARNING: Cancer and Reproductive Harm


Fitment Type Direct Replacement
Part Type Control Arm Bushing Kit
Greasable or Sealed Greasable
Surface Finish Polished, Rust Protected
OE Spec or Performance/Custom OE Spec
Replaces OE Number K640293, K640294, CK640293, CK640294, RK640293
Interchange Part Number K6664, CK6664, TXMS50104, TXMS50105, MS50104, MS50105
Warranty 2 Year
Package included

1x Front Right Upper Control Arm (Passenger Side ) - K640293

1x Front Left Upper Control Arm ( Driver Side ) - K640294

2x Front Upper Ball Joints - K6664


Easy Return

At YITAMOTOR, Your order means a lot to us, Feel free to contact us if you have any questions.

Not satisfied with it? We offer returns for products in new/unused condition within 30 days of delivery for a refund or exchange.

Returns or Exchanges items in 4 easy steps, and Appointment FedEx pickup service for you, hope you enjoy our safe and worry-free after-sales service.


1. Item processing time 


1. It may be delayed during holidays, such as Black Friday, Christmas, New Year, etc. Or under special weather conditions.

2. We will ship your item only by FEDEX, Please do not leave PO.BOX address.