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Dorman 527-503 Lateral Arm - Rear Left Upper
| Brand | Dorman 527-503 |
|---|---|
| Position | Rear Left Upper |
| Material | Steel |
| Bushing Color | Black |
| Length | 274 |
| Color | Black |
| End 1 Type | Bushing |
| End 2 Type | Bushing |
| Mount Stud Quantity | 0 |
| Bushings Included | Yes |
| Mounting Hardware Included | No |
| Greaseable | No |
| Bushing Material | Rubber |
| Bushing Material | Steel |
| Adjustable | No |
| Attachment Type | Pressed |
| Ball Joint Included | No |
| Ball Joint Installed | No |
| Control Arm Type | Casting/forged |
| Grease Fitting Included | No |
| Item Grade | Standard replacement |
| Mounting Hole Diameter | 12.2 mm |
| Package Contents | 1 lateral arm |
| Pre Greased | No |
| Fits | Ford and Lincoln · 33 vehicles |
Standard replacement. Precision-engineered and rigorously tested for reliable OE-style replacement.
Steel construction. Built with rubber bushings for dependable suspension performance.
Bushings included. Ready for a complete lateral arm replacement.
Cross-references Mevotech Supreme CMS401211, MOOG Chassis Products RK643604 and FR3Z5500D for the same application. See all 3.
Dorman 527-503 Rear Left Upper Lateral Arm
Dorman 527-503 is a steel lateral arm built as a standard replacement for the original equipment on select Ford and Lincoln vehicles. It is precision-engineered and tested for reliable suspension service on applications such as the Ford Mustang, Ford Edge, Lincoln Nautilus, Lincoln Continental, and Lincoln MKX.
Key Features
- Steel construction for suspension strength and durability
- Rubber bushings with pressed attachment points
- Black finish and black bushing color
- Standard replacement grade for OE-style service
- Fits rear left upper suspension positions on confirmed applications
- Part number 527-503 for easy identification
Detailed Description
This lateral arm is engineered for the rear left upper suspension location and uses bushing ends at both sides for a direct replacement layout. The steel body, rubber bushings, and casting/forged control arm design support consistent suspension geometry on vehicles that need a replacement for worn or damaged OE hardware. It cross-references Monroe Shocks & Struts 172286 for the same application. For shoppers searching for a rear left upper lateral arm for Ford Mustang, Ford Edge, or Lincoln Nautilus, Dorman 527-503 provides a straightforward OE-style service part.
What It Helps Fix
- Clunking or knocking from the rear suspension
- Excessive play from worn bushings
- Uneven rear suspension alignment issues
- Handling instability caused by a damaged lateral arm
- Suspension noise from deteriorated OE components
Installation Notes and Tips
- Fits 2015-2025 Ford Mustang, rear left upper.
- Fits 2015-2024 Ford Edge, rear left upper.
- Fits 2019-2023 Lincoln Nautilus, rear left upper.
- Fits 2017-2020 Lincoln Continental, rear left upper.
- Fits 2016-2018 Lincoln MKX, rear left upper.
- Verify mounting hole diameter and suspension position before installation.
- Mounting hardware is not included.
- Professional alignment is recommended after suspension component replacement.
Quality Assurance
Dorman tests this replacement lateral arm for reliable service on the listed Ford and Lincoln applications. Part number 527-503 is built to meet standard replacement expectations for suspension repair and restoration.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2025 | Ford | Mustang | — | Rear Left Upper | — |
| 2024 | Ford | Edge | — | Rear Left Upper | — |
| 2024 | Ford | Mustang | — | Rear Left Upper | — |
| 2023 | Ford | Edge | AWD | Rear Left Upper | — |
| 2023 | Ford | Mustang | — | Rear Left Upper | — |
| 2023 | Lincoln | Nautilus | AWD | Rear Left Upper | — |
| 2022 | Ford | Edge | AWD | Rear Left Upper | — |
| 2022 | Ford | Mustang | — | Rear Left Upper | — |
| 2022 | Lincoln | Nautilus | AWD | Rear Left Upper | — |
| 2021 | Ford | Edge | AWD | Rear Left Upper | — |
| 2021 | Ford | Mustang | — | Rear Left Upper | — |
| 2021 | Lincoln | Nautilus | AWD | Rear Left Upper | — |
| 2020 | Ford | Edge | AWD | Rear Left Upper | — |
| 2020 | Ford | Mustang | — | Rear Left Upper | — |
| 2020 | Lincoln | Continental | AWD | Rear Left Upper | — |
| 2020 | Lincoln | Nautilus | AWD | Rear Left Upper | — |
| 2019 | Ford | Edge | AWD | Rear Left Upper | — |
| 2019 | Ford | Mustang | — | Rear Left Upper | — |
| 2019 | Lincoln | Continental | AWD | Rear Left Upper | — |
| 2019 | Lincoln | Nautilus | AWD | Rear Left Upper | — |
| 2018 | Ford | Edge | AWD | Rear Left Upper | — |
| 2018 | Ford | Mustang | — | Rear Left Upper | — |
| 2018 | Lincoln | Continental | AWD | Rear Left Upper | — |
| 2018 | Lincoln | MKX | AWD | Rear Left Upper | — |
| 2017 | Ford | Edge | AWD | Rear Left Upper | — |
| 2017 | Ford | Mustang | — | Rear Left Upper | — |
| 2017 | Lincoln | Continental | AWD | Rear Left Upper | — |
| 2017 | Lincoln | MKX | AWD | Rear Left Upper | — |
| 2016 | Ford | Edge | AWD | Rear Left Upper | — |
| 2016 | Ford | Mustang | — | Rear Left Upper | — |
| 2016 | Lincoln | MKX | AWD | Rear Left Upper | — |
| 2015 | Ford | Edge | AWD | Rear Left Upper | — |
| 2015 | Ford | Mustang | — | Rear Left Upper | — |
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