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Dorman 527-445 Suspension Control Arm and Ball Joint Assembly - Front Left Lower
| Brand | Dorman 527-445 |
|---|---|
| Position | Front Left Lower |
| Thread Direction | Clockwise (right) |
| Thread Direction | Rotar en el sentido de las agujas del reloj (derecha) |
| Bushing Color | Black |
| Bushing Color | Negro |
| Bushing Color | Noir |
| Reinforced | No |
| Reinforced | Non |
| Length | 353.8 |
| Finish | Painted |
| Finish | Pintado |
| Pre-Greased | Oui |
| Pre-Greased | Sí |
| Pre-Greased | Yes |
| Castle Nut Included | No |
| Castle Nut Included | Non |
| Grease Fitting Included | No |
| Grease Fitting Included | Non |
| Bushings Included | Oui |
| Bushings Included | Sí |
| Bushings Included | Yes |
| Dust Boot Included | Oui |
| Dust Boot Included | Sí |
| Dust Boot Included | Yes |
| Ball Joint Mounting Type | Presionar hacia adentro |
| Ball Joint Mounting Type | Press in |
| Ball Joint Stud Type | Pinch |
| Ball Joint Stud Type | Pinchar |
| Ball Joint Included | Oui |
| Ball Joint Included | Sí |
| Ball Joint Included | Yes |
| Fits | Mazda · 6 vehicles |
OE direct replacement. Matches original equipment for a straightforward suspension repair.
Stamped steel construction. Delivers a durable, factory-style control arm design.
Pre-greased assembly. Includes bushings, dust boot, ball joint, and mounting hardware.
Cross-references Mevotech Supreme CMS761246 and DGH934350A for the same application. See all 2.
Dorman 527-445 Front Left Lower Control Arm
Dorman 527-445 is a direct replacement suspension control arm and ball joint assembly for specific Mazda CX-30 applications. It is built for the front left lower position and follows OE-style dimensions and mounting points to help restore stable steering response and predictable road feel.
Compatible with 2020-2025 Mazda CX-30, front left lower, this assembly is a practical replacement when the original control arm shows wear at the bushings or ball joint. The stamped steel construction, painted finish, and pre-greased ball joint support dependable suspension service on daily-driven vehicles.
- Direct replacement for the original equipment control arm and ball joint assembly
- Fits 2020-2025 Mazda CX-30, front left lower
- Stamped steel control arm construction with painted finish
- Ball joint included with press-in mounting type and pinch-style stud
- Bushings and dust boot included
- Pre-greased design with locking nut and mounting hardware included
- Standard replacement grade for OE-style suspension service
- Clockwise (right) thread direction
OE-Style Suspension Replacement
This suspension control arm assembly is engineered for the front left lower suspension position on the Mazda CX-30. Dorman’s evaluation process focuses on fit, ride quality, directional stability, and consistent handling characteristics, making this part a straightforward replacement for worn or damaged OE components. Part number 527-445 is also referenced for the same application under cross-reference part numbers such as DGH934350A and Mevotech Supreme CMS761246.
Common Repair Symptoms
- Clunking or knocking from the front suspension
- Uneven tire wear caused by worn control arm bushings or ball joint wear
- Loose or wandering steering feel
- Vibration or instability over bumps
- Visible cracking, play, or damage in the lower control arm assembly
Installation Notes
Verify vehicle application before installation: this part is for the front left lower position on 2020-2025 Mazda CX-30 models. The ball joint uses a press-in mounting type and a pinch-style stud, so proper suspension service tools and alignment procedures are recommended after replacement. Confirm thread direction and mounting points during installation to ensure correct assembly. Part number 527-445 should be matched to the vehicle’s original configuration before service.
Quality Assurance
Dorman supplies this control arm and ball joint assembly as a standard replacement part for specific vehicle applications. The design is evaluated to support OE-style ride control and suspension stability, with materials and construction selected for consistent service in the Mazda CX-30 front suspension.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2025 | Mazda | CX-30 | Front Left Lower | — |
| 2024 | Mazda | CX-30 | Front Left Lower | — |
| 2023 | Mazda | CX-30 | Front Left Lower | — |
| 2022 | Mazda | CX-30 | Front Left Lower | — |
| 2021 | Mazda | CX-30 | Front Left Lower | — |
| 2020 | Mazda | CX-30 | Front Left Lower | — |
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