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Dorman 527-055 Suspension Control Arm and Ball Joint Assembly - Front Left Upper ForwardOE Quality 60-Day Returns
Dorman 527-055 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Forward - view 1
Dorman 527-055 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Forward - view 2
Dorman 527-055 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Forward - view 3
Dorman 527-055 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Forward - view 4
Dorman 527-055 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Forward - view 5
Part #: 527-055

Dorman 527-055 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Forward

Front Left Upper Forward
⚙️ 88 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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*Free return shipping only qualifies if our fitment verification tool is used.
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✅ 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, A4, A4 allroad, A4 Quattro, A5, A5 Quattro, A5 Sportback, RS5, RS5 Sportback, S4, S5, and S5 Sportback
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Dorman 527-055 Suspension Control Arm and Ball Joint Assembly - Front Left Upper Forward
BrandDorman
Part Number527-055
Pre-GreasedYes
Grease Fitting IncludedNo
Suspension Grade TypeLight
Bushings IncludedYes
Ball Joint Mounting TypeMachined
Ball Joint Stud TypeThreaded
Control Arm MaterialSteel
Mounting Hardware IncludedYes
Mounting Hole Quantity1
AdjustableNo
GreaseableNo
Control Arm Maximum Width288.5
Control Arm ColorBlack
Ball Joint Thread Diameter14
Ball Joint Stud Length42
Control Arm Maximum Length237
Bushing MaterialRubber
Bushing MaterialSteel
Ball Joint IncludedYes
Ball Joint InstalledYes
Control Arm TypeCasting/forged
Grade TypeRegular
Mounting Hole Diameter12.3 mm
Package Contents1 control arm; 1 ball joint

This part fits 88 vehicles. Search below:

YearMakeModelPositionNotes
2025AudiA4Front Left Upper Forward
2025AudiA4 allroadFront Left Upper Forward
2025AudiA4 QuattroFront Left Upper Forward
2025AudiA5Front Left Upper Forward
2025AudiA5 QuattroFront Left Upper Forward
2025AudiA5 SportbackFront Left Upper Forward
2025AudiRS5Front Left Upper Forward
2025AudiRS5 SportbackFront Left Upper Forward
2025AudiS4Front Left Upper Forward
2025AudiS5Front Left Upper Forward
2025AudiS5 SportbackFront Left Upper Forward
2024AudiA4Front Left Upper Forward
2024AudiA4 allroadFront Left Upper Forward
2024AudiA4 QuattroFront Left Upper Forward
2024AudiA5Front Left Upper Forward
2024AudiA5 QuattroFront Left Upper Forward
2024AudiA5 SportbackFront Left Upper Forward
2024AudiRS5Front Left Upper Forward
2024AudiRS5 SportbackFront Left Upper Forward
2024AudiS4Front Left Upper Forward
2024AudiS5Front Left Upper Forward
2024AudiS5 SportbackFront Left Upper Forward
2023AudiA4Front Left Upper Forward
2023AudiA4 allroadFront Left Upper Forward
2023AudiA4 QuattroFront Left Upper Forward
2023AudiA5Front Left Upper Forward
2023AudiA5 QuattroFront Left Upper Forward
2023AudiA5 SportbackFront Left Upper Forward
2023AudiRS5Front Left Upper Forward
2023AudiRS5 SportbackFront Left Upper Forward
2023AudiS4Front Left Upper Forward
2023AudiS5Front Left Upper Forward
2023AudiS5 SportbackFront Left Upper Forward
2022AudiA4Front Left Upper Forward
2022AudiA4 allroadFront Left Upper Forward
2022AudiA4 QuattroFront Left Upper Forward
2022AudiA5Front Left Upper Forward
2022AudiA5 QuattroFront Left Upper Forward
2022AudiA5 SportbackFront Left Upper Forward
2022AudiRS5Front Left Upper Forward
2022AudiRS5 SportbackFront Left Upper Forward
2022AudiS4Front Left Upper Forward
2022AudiS5Front Left Upper Forward
2022AudiS5 SportbackFront Left Upper Forward
2021AudiA4Front Left Upper Forward
2021AudiA4 allroadFront Left Upper Forward
2021AudiA4 QuattroFront Left Upper Forward
2021AudiA5Front Left Upper Forward
2021AudiA5 QuattroFront Left Upper Forward
2021AudiA5 SportbackFront Left Upper Forward
2021AudiRS5Front Left Upper Forward
2021AudiRS5 SportbackFront Left Upper Forward
2021AudiS4Front Left Upper Forward
2021AudiS5Front Left Upper Forward
2021AudiS5 SportbackFront Left Upper Forward
2020AudiA4Front Left Upper Forward
2020AudiA4 allroadFront Left Upper Forward
2020AudiA4 QuattroFront Left Upper Forward
2020AudiA5 QuattroFront Left Upper Forward
2020AudiA5 SportbackFront Left Upper Forward
2020AudiS4Front Left Upper Forward
2020AudiS5Front Left Upper Forward
2020AudiS5 SportbackFront Left Upper Forward
2019AudiA4Front Left Upper Forward
2019AudiA4 allroadFront Left Upper Forward
2019AudiA4 QuattroFront Left Upper Forward
2019AudiA5Front Left Upper Forward
2019AudiA5 QuattroFront Left Upper Forward
2019AudiA5 SportbackFront Left Upper Forward
2019AudiRS5Front Left Upper Forward
2019AudiRS5 SportbackFront Left Upper Forward
2019AudiS4Front Left Upper Forward
2019AudiS5Front Left Upper Forward
2019AudiS5 SportbackFront Left Upper Forward
2018AudiA4Front Left Upper Forward
2018AudiA4 allroadFront Left Upper Forward
2018AudiA4 QuattroFront Left Upper Forward
2018AudiA5Front Left Upper Forward
2018AudiA5 QuattroFront Left Upper Forward
2018AudiA5 SportbackFront Left Upper Forward
2018AudiRS5Front Left Upper Forward
2018AudiS4Front Left Upper Forward
2018AudiS5Front Left Upper Forward
2018AudiS5 SportbackFront Left Upper Forward
2017AudiA4Front Left Upper Forward
2017AudiA4 allroadFront Left Upper Forward
2017AudiA4 QuattroFront Left Upper Forward
2017AudiS4Front Left Upper 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:

8W0407505CNITC3796

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

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