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.

$68.64Free shipping
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Order total $68.64
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Free returns within 60 days if it doesn't fit when fitment is verified.

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.

This part fits 33 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2025FordMustangRear Left Upper
2024FordEdgeRear Left Upper
2024FordMustangRear Left Upper
2023FordEdgeAWDRear Left Upper
2023FordMustangRear Left Upper
2023LincolnNautilusAWDRear Left Upper
2022FordEdgeAWDRear Left Upper
2022FordMustangRear Left Upper
2022LincolnNautilusAWDRear Left Upper
2021FordEdgeAWDRear Left Upper
2021FordMustangRear Left Upper
2021LincolnNautilusAWDRear Left Upper
2020FordEdgeAWDRear Left Upper
2020FordMustangRear Left Upper
2020LincolnContinentalAWDRear Left Upper
2020LincolnNautilusAWDRear Left Upper
2019FordEdgeAWDRear Left Upper
2019FordMustangRear Left Upper
2019LincolnContinentalAWDRear Left Upper
2019LincolnNautilusAWDRear Left Upper
2018FordEdgeAWDRear Left Upper
2018FordMustangRear Left Upper
2018LincolnContinentalAWDRear Left Upper
2018LincolnMKXAWDRear Left Upper
2017FordEdgeAWDRear Left Upper
2017FordMustangRear Left Upper
2017LincolnContinentalAWDRear Left Upper
2017LincolnMKXAWDRear Left Upper
2016FordEdgeAWDRear Left Upper
2016FordMustangRear Left Upper
2016LincolnMKXAWDRear Left Upper
2015FordEdgeAWDRear Left Upper
2015FordMustangRear Left Upper
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Mevotech Supreme — CMS401211MOOG Chassis Products — RK643604FR3Z5500D