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DormanPart #: 527-257
Dorman 527-257 Suspension Control Arm and Ball Joint Assembly - Front Left Upper
⚙️ 29 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$236.07Free 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: BMW, Alpina XB7, iX, X5, X6, and X7
🔄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 527-257 Suspension Control Arm and Ball Joint Assembly - Front Left Upper
| Brand | Dorman |
| Part Number | 527-257 |
| Pre-Greased | Oui |
| Pre-Greased | Sí |
| Pre-Greased | Yes |
| Grease Fitting Included | No |
| Grease Fitting Included | Non |
| Bushings Included | Oui |
| Bushings Included | Sí |
| Bushings Included | Yes |
| Ball Joint Mounting Type | Machined |
| Ball Joint Mounting Type | Máquina |
| Ball Joint Stud Type | Pinch |
| Ball Joint Stud Type | Pinchar |
| Ball Joint Included | Oui |
| Ball Joint Included | Sí |
| Ball Joint Included | Yes |
| Control Arm Construction | Casting/forged |
| Control Arm Construction | Fundición/forjado |
| Control Arm Material | Aluminio |
| Control Arm Material | Aluminum |
| Mounting Hardware Included | Oui |
| Mounting Hardware Included | Sí |
| Mounting Hardware Included | Yes |
| Grade Type | Reemplazo estándar |
| Grade Type | Standard replacement |
| Mounting Hole Quantity | 2 |
| Adjustable | No |
| Adjustable | Non |
| Control Arm Maximum Width | 271.5 |
| Control Arm Color | Gray |
| Control Arm Color | Gris |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2025 | BMW | Alpina XB7 | Front Left Upper | |
| 2025 | BMW | iX | Front Left Upper | |
| 2025 | BMW | X5 | Front Left Upper | |
| 2025 | BMW | X6 | Front Left Upper | |
| 2025 | BMW | X7 | Front Left Upper | |
| 2024 | BMW | Alpina XB7 | Front Left Upper | |
| 2024 | BMW | iX | Front Left Upper | |
| 2024 | BMW | X5 | Front Left Upper | |
| 2024 | BMW | X6 | Front Left Upper | |
| 2024 | BMW | X7 | Front Left Upper | |
| 2023 | BMW | Alpina XB7 | Front Left Upper | |
| 2023 | BMW | iX | Front Left Upper | |
| 2023 | BMW | X5 | Front Left Upper | |
| 2023 | BMW | X6 | Front Left Upper | |
| 2023 | BMW | X7 | Front Left Upper | |
| 2022 | BMW | Alpina XB7 | Front Left Upper | |
| 2022 | BMW | iX | Front Left Upper | |
| 2022 | BMW | X5 | Front Left Upper | |
| 2022 | BMW | X6 | Front Left Upper | |
| 2022 | BMW | X7 | Front Left Upper | |
| 2021 | BMW | Alpina XB7 | Front Left Upper | |
| 2021 | BMW | X5 | Front Left Upper | |
| 2021 | BMW | X6 | Front Left Upper | |
| 2021 | BMW | X7 | Front Left Upper | |
| 2020 | BMW | X5 | Front Left Upper | |
| 2020 | BMW | X6 | Front Left Upper | |
| 2020 | BMW | X7 | Front Left Upper | |
| 2019 | BMW | X5 | Front Left Upper | |
| 2019 | BMW | X7 | Front Left Upper |
* 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:
102-8373311068831153CB10884CMS101582RK623925
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.