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Delphi TC3609 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward
| Brand | Delphi TC3609 |
|---|---|
| Position | Front Left Lower Rearward |
| Thread Direction | Clockwise (right) |
| Bushing Color | Black |
| Pre-Greased | Yes |
| Bushings Included | Yes |
| Dust Boot Included | Yes |
| Ball Joint Mounting Type | Press in |
| Ball Joint Stud Type | Threaded |
| Ball Joint Included | Yes |
| Control Arm Construction | Casting/forged |
| Control Arm Material | Aluminum |
| Mounting Hardware Included | No |
| Grade Type | Premium |
| Mounting Hole Quantity | 1 |
| Boot Material | Chloroprene rubber (cr) |
| Adjustable | No |
| Locking Nut Included | Yes |
| Greaseable | No |
| Control Arm Maximum Width | 108.99 |
| Control Arm Maximum Width | 4.291 |
| Control Arm Color | Gray |
| Control Arm Maximum Length | 14.134 |
| Control Arm Maximum Length | 359.00 |
| Boot Color | Black |
| Steering Type | Power |
| Bearing Material | Plastic |
| Bushing Material | Rubber |
| Mounting Hole Diameter | 1.358 |
| Mounting Hole Diameter | 34.50 |
| Dust Boot Material | Chloroprene rubber (cr) |
| Fits | BMW · 66 vehicles |
OE expertise. Delphi applies OE know-how to its aftermarket steering portfolio.
Extreme testing. Built to handle harsh temperatures and 720 hours of salt spray.
Aluminum construction. Casting/forged design with pre-greased bushings and a press-in ball joint.
Cross-references Dorman - OE Solutions 522-879, Mevotech Supreme CMS101309 and MOOG Chassis Products RK621976 for the same application. See all 6.
OE-Style Front Left Lower Rearward Control Arm
Delphi TC3609 is a premium suspension control arm and ball joint assembly for select BMW applications. It is built for the front left lower rearward position and uses OE-focused materials and dimensional analysis to support proper fit on BMW 228i, 328i, 330i, 430i, and related models.
Fits 2012-2020 BMW 320i, front left lower rearward; Fits 2014-2018 BMW 328d, front left lower rearward; Fits 2016-2018 BMW 330e, front left lower rearward; Fits 2017-2018 BMW 330i, front left lower rearward; Fits 2016-2018 BMW 340i, front left lower rearward; Fits 2018 BMW M240i, front left lower rearward; Fits 2014-2016 BMW 228i, front left lower rearward; Fits 2012-2016 BMW 328i, front left lower rearward; Fits 2014-2016 BMW 428i, front left lower rearward; Fits 2015-2016 BMW 428i Gran Coupe, front left lower rearward; Fits 2014-2016 BMW 435i, front left lower rearward; Fits 2015-2016 BMW 435i Gran Coupe, front left lower rearward; Fits 2012-2015 BMW 335i, front left lower rearward; Fits 2013-2015 BMW ActiveHybrid 3, front left lower rearward; Fits 2017-2020 BMW 230i, front left lower rearward; Fits 2017-2020 BMW 430i, front left lower rearward; Fits 2017-2020 BMW 430i Gran Coupe, front left lower rearward; Fits 2017-2020 BMW 440i, front left lower rearward; Fits 2017-2020 BMW 440i Gran Coupe, front left lower rearward.
- Delphi part number TC3609
- Front left lower rearward position
- Aluminum control arm with casting/forged construction
- Ball joint included with press-in mounting type and threaded stud
- Pre-greased design with bushings included
- Dust boot included with chloroprene rubber construction
- Clockwise (right) thread direction
- Premium grade replacement for BMW suspension service
Built for OE Fit and Suspension Control
Delphi applies OE engineering to this aftermarket suspension arm by combining dimensional and material analysis with durability testing. The assembly is exposed to extreme temperature cycling from below -40 degrees C to over 120 degrees C and to 720 hours of salt spray, helping validate the part for demanding road conditions. Delphi TC3609 is a direct-fit suspension control arm and ball joint assembly for BMW 320i, 328i, 430i, and other listed models, making it a practical choice when restoring front-end geometry and steering response.
This part cross-references MOOG Chassis Products RK621976 for the same application.
Common Problems This Part Can Address
- Front suspension looseness or clunking from a worn control arm assembly
- Uneven tire wear caused by degraded suspension geometry
- Steering pull or wandering linked to worn bushings or ball joint wear
- Noise over bumps from damaged dust boot or bushing components
- Reduced front-end stability on BMW 228i, 328i, 430i, and related models
Installation Notes and Tips
Verify the front left lower rearward position before installation and confirm the threaded stud, press-in ball joint style, and mounting hole dimensions match the vehicle. Because this assembly is pre-greased and includes bushings, a dust boot, and a locking nut, it is ready for suspension service once the old component is removed. Mounting hardware is not included.
After installation, perform a professional wheel alignment to help restore proper suspension angles and steering feel. Inspect adjacent suspension components for wear before completing the repair, especially on BMW 320i, 328i, 330i, and 430i applications.
Quality Assurance
Delphi uses OE safety technology and aftermarket validation practices to support consistent fit and performance. TC3609 is engineered with premium materials and tested for temperature, corrosion, and dimensional compatibility to align with OE expectations.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | BMW | 230i | — | — | — | Front Left Lower Rearward | — |
| 2020 | BMW | 430i | — | — | — | Front Left Lower Rearward | — |
| 2020 | BMW | 430i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2020 | BMW | 440i | — | — | — | Front Left Lower Rearward | — |
| 2020 | BMW | 440i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2019 | BMW | 230i | — | — | — | Front Left Lower Rearward | — |
| 2019 | BMW | 430i | — | — | — | Front Left Lower Rearward | — |
| 2019 | BMW | 430i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2019 | BMW | 440i | — | — | — | Front Left Lower Rearward | — |
| 2019 | BMW | 440i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2018 | BMW | 230i | — | — | — | Front Left Lower Rearward | — |
| 2018 | BMW | 320i | — | — | — | Front Left Lower Rearward | — |
| 2018 | BMW | 328d | — | — | — | Front Left Lower Rearward | — |
| 2018 | BMW | 330e | — | — | — | Front Left Lower Rearward | — |
| 2018 | BMW | 330i | — | — | — | Front Left Lower Rearward | — |
| 2018 | BMW | 340i | — | — | — | Front Left Lower Rearward | — |
| 2018 | BMW | 430i | — | — | — | Front Left Lower Rearward | — |
| 2018 | BMW | 430i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2018 | BMW | 440i | — | — | — | Front Left Lower Rearward | — |
| 2018 | BMW | 440i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2018 | BMW | M240i | Coupe | — | — | Front Left Lower Rearward | — |
| 2017 | BMW | 230i | — | — | — | Front Left Lower Rearward | — |
| 2017 | BMW | 320i | — | — | — | Front Left Lower Rearward | — |
| 2017 | BMW | 328d | — | — | — | Front Left Lower Rearward | — |
| 2017 | BMW | 330e | — | — | — | Front Left Lower Rearward | — |
| 2017 | BMW | 330i | — | — | — | Front Left Lower Rearward | — |
| 2017 | BMW | 340i | — | — | — | Front Left Lower Rearward | — |
| 2017 | BMW | 430i | — | — | — | Front Left Lower Rearward | — |
| 2017 | BMW | 430i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2017 | BMW | 440i | — | — | — | Front Left Lower Rearward | — |
| 2017 | BMW | 440i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2016 | BMW | 228i | — | — | — | Front Left Lower Rearward | — |
| 2016 | BMW | 320i | — | — | — | Front Left Lower Rearward | — |
| 2016 | BMW | 328d | — | — | — | Front Left Lower Rearward | — |
| 2016 | BMW | 328i | — | — | — | Front Left Lower Rearward | — |
| 2016 | BMW | 330e | — | — | — | Front Left Lower Rearward | — |
| 2016 | BMW | 340i | — | — | — | Front Left Lower Rearward | — |
| 2016 | BMW | 428i | — | — | — | Front Left Lower Rearward | — |
| 2016 | BMW | 428i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2016 | BMW | 435i | — | — | — | Front Left Lower Rearward | — |
| 2016 | BMW | 435i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2015 | BMW | 228i | — | — | — | Front Left Lower Rearward | — |
| 2015 | BMW | 320i | — | — | — | Front Left Lower Rearward | — |
| 2015 | BMW | 328d | — | — | — | Front Left Lower Rearward | — |
| 2015 | BMW | 328i | — | — | — | Front Left Lower Rearward | — |
| 2015 | BMW | 335i | — | — | — | Front Left Lower Rearward | — |
| 2015 | BMW | 428i | — | — | — | Front Left Lower Rearward | — |
| 2015 | BMW | 428i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2015 | BMW | 435i | — | — | — | Front Left Lower Rearward | — |
| 2015 | BMW | 435i Gran Coupe | — | — | — | Front Left Lower Rearward | — |
| 2015 | BMW | ActiveHybrid 3 | — | — | — | Front Left Lower Rearward | — |
| 2014 | BMW | 228i | — | — | — | Front Left Lower Rearward | — |
| 2014 | BMW | 320i | — | — | — | Front Left Lower Rearward | — |
| 2014 | BMW | 328d | — | — | — | Front Left Lower Rearward | — |
| 2014 | BMW | 328i | — | — | — | Front Left Lower Rearward | — |
| 2014 | BMW | 335i | — | — | — | Front Left Lower Rearward | — |
| 2014 | BMW | 428i | — | — | — | Front Left Lower Rearward | — |
| 2014 | BMW | 435i | — | — | — | Front Left Lower Rearward | — |
| 2014 | BMW | ActiveHybrid 3 | — | — | — | Front Left Lower Rearward | — |
| 2013 | BMW | 320i | — | — | — | Front Left Lower Rearward | — |
| 2013 | BMW | 328i | — | 2.0L | L4 | Front Left Lower Rearward | — |
| 2013 | BMW | 335i | Sedan | — | — | Front Left Lower Rearward | — |
| 2013 | BMW | ActiveHybrid 3 | — | — | — | Front Left Lower Rearward | — |
| 2012 | BMW | 320i | — | — | — | Front Left Lower Rearward | — |
| 2012 | BMW | 328i | — | 2.0L | L4 | Front Left Lower Rearward | — |
| 2012 | BMW | 335i | Sedan | — | — | Front Left Lower Rearward | — |
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