Home› Suspension > Suspension, Springs and Related Components› Dorman 520-978 Suspension Control Arm and Ball Joint Assembly - Front Lower Forward
Dorman 520-978 Suspension Control Arm and Ball Joint Assembly - Front Lower ForwardOE Quality 60-Day Returns
Dorman 520-978 Suspension Control Arm and Ball Joint Assembly - Front Lower Forward - view 1
Dorman 520-978 Suspension Control Arm and Ball Joint Assembly - Front Lower Forward - view 2
Dorman 520-978 Suspension Control Arm and Ball Joint Assembly - Front Lower Forward - view 3
Part #: 520-978

Dorman 520-978 Suspension Control Arm and Ball Joint Assembly - Front Lower Forward

Front Lower Forward
⚙️ 19 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$150.10Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, A6, A6 Quattro, and S6
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Suspension Control Arm and Ball Joint Assembly options
Dorman 520-978 Suspension Control Arm and Ball Joint Assembly - Front Lower Forward
BrandDorman
Part Number520-978
Pre-GreasedYes
Grease Fitting IncludedNo
Suspension Grade TypeLight
Bushings IncludedYes
Ball Joint Stud TypeThreaded
Control Arm MaterialSteel
Mounting Hardware IncludedYes
Mounting Hole Quantity1
AdjustableNo
Control Arm Maximum Width288.5
Control Arm ColorBlack
Ball Joint Thread Diameter14
Control Arm Maximum Length237
Bushing MaterialRubber
Attachment TypePressed
Ball Joint IncludedYes
Ball Joint InstalledYes
Control Arm TypeCasting/forged
Grade TypeRegular
Mounting Hole Diameter12.3 mm
Package ContentsLateral link

This part fits 19 vehicles. Search below:

YearMakeModelPositionNotes
2011AudiA6Front Lower Forward
2011AudiA6 QuattroFront Lower Forward
2011AudiS6Front Lower Forward
2010AudiA6Front Lower Forward
2010AudiA6 QuattroFront Lower Forward
2010AudiS6Front Lower Forward
2009AudiA6Front Lower Forward
2009AudiA6 QuattroFront Lower Forward
2009AudiS6Front Lower Forward
2008AudiA6Front Lower Forward
2008AudiA6 QuattroFront Lower Forward
2008AudiS6Front Lower Forward
2007AudiA6Front Lower Forward
2007AudiA6 QuattroFront Lower Forward
2007AudiS6Front Lower Forward
2006AudiA6Front Lower Forward
2006AudiA6 QuattroFront Lower Forward
2005AudiA6Front Lower Forward
2005AudiA6 QuattroFront Lower Forward

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

101-596313CB70028152602926056244F0407151CA574BCMS70108FA4520GS70108JTC1089RK620452SRK620452TC1878

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Related Articles