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Delphi TC7053 Suspension Control Arm and Ball Joint Assembly - Front Left Upper
| Brand | Delphi TC7053 |
|---|---|
| Position | Front Left Upper |
| Thread Direction | Clockwise (right) |
| Bushing Color | Black |
| Finish | Painted |
| 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 | Steel |
| Mounting Hardware Included | Yes |
| Grade Type | Premium |
| Mounting Hole Quantity | 2 |
| Boot Material | Chloroprene rubber (cr) |
| Adjustable | Yes |
| Locking Nut Included | Yes |
| Greaseable | No |
| Control Arm Maximum Width | 11.142 |
| Control Arm Maximum Width | 283.00 |
| Control Arm Color | Black |
| Ball Joint Stud Length | 1.240 |
| Ball Joint Stud Length | 31.50 |
| 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 | 0.476 |
| Fits | Mercedes-Benz · 17 vehicles |
OE expertise. Delphi brings original-equipment know-how to its aftermarket steering parts.
Extreme testing. Built to handle harsh temperatures and 720 hours of salt spray.
Precision fit. Dimensional and material analysis helps ensure OE-to-aftermarket compatibility.
Cross-references MOOG Chassis Products RK623921, 222 330 05 07 and 526283 for the same application. See all 7.
OE-Style Front Left Upper Control Arm
Delphi TC7053 is a front left upper suspension control arm and ball joint assembly built for select Mercedes-Benz S-Class and Maybach applications. It combines a steel casting/forged construction with a pre-greased, press-in ball joint for a direct-fit replacement focused on OE-style geometry and steering response.
Fits 2014-2017 Mercedes-Benz S550, front left upper; fits 2015-2017 Mercedes-Benz S550e, front left upper; fits 2015-2017 Mercedes-Benz S600, front left upper; fits 2016-2017 Mercedes-Benz Maybach S600, front left upper; fits 2017 Mercedes-Benz Maybach S550, front left upper; fits 2018 Mercedes-Benz S450, front left upper; fits 2018 Mercedes-Benz S560, front left upper; fits 2018 Mercedes-Benz Maybach S560, front left upper; fits 2018 Mercedes-Benz Maybach S650, front left upper.
- Part number: TC7053
- Position: front left upper
- Control arm material: steel with casting/forged construction
- Ball joint included with threaded stud and press-in mounting type
- Pre-greased design with dust boot included
- Bushings included, with rubber bushing material and black finish
- Adjustable assembly with mounting hardware included
- Locking nut included
- Greaseable: no
- Steering type: power
Detailed OE Replacement Design
Delphi TC7053 is engineered for the front left upper suspension position on Mercedes-Benz S550, S550e, S600, and Maybach S-Class models listed above. Delphi applies OE-focused dimensional and material analysis to help maintain proper fit and suspension alignment, while the painted steel arm, chloroprene rubber dust boot, and premium-grade components are built for demanding road conditions. The assembly is tested across extreme temperature ranges and extended salt-spray exposure to reflect the durability expectations of OE-style steering and suspension parts. This part cross-references MOOG Chassis Products RK623921 for the same application.
Common Suspension Issues This Part Addresses
- Front-end clunking or knocking from a worn upper control arm or ball joint
- Excessive play in the front left upper suspension joint
- Uneven tire wear caused by worn bushings or ball joint movement
- Steering wander or reduced straight-line stability
- Alignment problems after suspension wear on Mercedes-Benz S-Class and Maybach models
Installation Notes and Tips
Install TC7053 on the front left upper position only. Because this assembly is adjustable, a professional wheel alignment should be performed after installation. Verify that the mounting hole diameter, bushing dimensions, and ball joint stud type match the vehicle before installation. The pre-greased, non-greaseable design is intended for sealed service, so do not add grease to the joint.
Quality Assurance
Delphi backs this suspension control arm and ball joint assembly with OE-focused engineering and validation. The part is subjected to temperature cycling below -40 degrees C and above 120 degrees C, along with 720 hours of salt-spray exposure, to help confirm durability for real-world use on Mercedes-Benz Maybach S560, S650, and related S-Class applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Mercedes-Benz | Maybach S560 | Front Left Upper | — |
| 2018 | Mercedes-Benz | Maybach S650 | Front Left Upper | — |
| 2018 | Mercedes-Benz | S450 | Front Left Upper | — |
| 2018 | Mercedes-Benz | S560 | Front Left Upper | — |
| 2017 | Mercedes-Benz | Maybach S550 | Front Left Upper | — |
| 2017 | Mercedes-Benz | Maybach S600 | Front Left Upper | — |
| 2017 | Mercedes-Benz | S550 | Front Left Upper | — |
| 2017 | Mercedes-Benz | S550e | Front Left Upper | — |
| 2017 | Mercedes-Benz | S600 | Front Left Upper | — |
| 2016 | Mercedes-Benz | Maybach S600 | Front Left Upper | — |
| 2016 | Mercedes-Benz | S550 | Front Left Upper | — |
| 2016 | Mercedes-Benz | S550e | Front Left Upper | — |
| 2016 | Mercedes-Benz | S600 | Front Left Upper | — |
| 2015 | Mercedes-Benz | S550 | Front Left Upper | — |
| 2015 | Mercedes-Benz | S550e | Front Left Upper | — |
| 2015 | Mercedes-Benz | S600 | Front Left Upper | — |
| 2014 | Mercedes-Benz | S550 | Front Left Upper | — |
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