Walker 53686 Exhaust Resonator and Pipe Assembly - Rear
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Walker

Walker 53686 Exhaust Resonator and Pipe Assembly - Rear

Brand Walker 53686
Position Rear
Body 1 Height 5
Body 1 Length 14
Body 1 Shape Round
Body 1 Width 5
Body Material Steel
Finish Aluminized
Inlet Inside Diameter 2.25
Inlet Type Pipe Connection
Muffler Body Length 14
Outlet Outside Diameter 2.25
Outlet Type Pipe Connection
Overall Length 22
Pipe Material Steel
Fits Ford, Lincoln, and Mercury · 51 vehicles

OE-style sound. Precise tuning delivers the original system’s tone and smooth flow.

Steel construction. Aluminized finish helps resist corrosion for longer service life.

Pipe connection design. Single inlet and outlet make for a straightforward exhaust fit.

Cross-references AP Exhaust 68483, AP Exhaust 78266 and Intermotor 55500 for the same application. See all 5.

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Walker 53686 Exhaust Resonator and Pipe Assembly

Walker 53686 is an exhaust resonator and pipe assembly built for OE-style fit, sound, and flow. It uses a steel pipe with an aluminized finish and a round resonator body to match the original system layout on select Ford, Lincoln, and Mercury vehicles.

  • Steel pipe construction with aluminized finish for exhaust system durability
  • Round resonator body measures 14 in. long and 5 in. high by 5 in. wide
  • 2.25 in. inlet inside diameter and 2.25 in. outlet outside diameter
  • Overall length: 22 in.
  • Pipe connection inlet and outlet for direct exhaust routing
  • OE-style tuning for controlled exhaust sound and flow characteristics

OE-Style Sound and Fitment

This Walker resonator is engineered to follow the original exhaust system’s tuning approach, helping restore factory-like sound quality and flow behavior. It is a direct-fit style solution for 2006-2012 Ford Fusion, 2007-2012 Lincoln MKZ, 2006-2011 Mercury Milan, and 2006 Lincoln Zephyr applications, including rear-position and N/A listings where specified. Walker 53686 is a practical choice when replacing a worn resonator and pipe assembly on a Ford Fusion exhaust system or a Lincoln MKZ rear exhaust section.

This part cross-references AP Exhaust 68483 and Intermotor 55500 for the same application.

Common Issues This Part Can Address

  • Exhaust resonance or drone from a damaged resonator
  • Rust-through or corrosion in the pipe or body
  • Cracked or leaking exhaust sections at the pipe connection
  • Loss of factory-style exhaust tone after system wear
  • Need to replace a welded resonator and pipe section on select vehicles

Installation Notes and Tips

Verify inlet and outlet sizing before installation and compare the existing exhaust layout to the vehicle-specific fitment notes. Some applications list welded assembly replacement guidance, so inspect the surrounding exhaust components and replace all required parts when the original section is integrated into a welded system. Confirm rear or N/A position requirements for the exact vehicle before ordering.

Quality Assurance

Walker designs this resonator to fit, perform, and sound like the original system, using precise tuning methods to support OE-style exhaust characteristics. The aluminized steel construction and application-specific design help maintain consistent fitment on the listed Ford Fusion, Lincoln MKZ, Mercury Milan, and Lincoln Zephyr vehicles.

Related reading

This part fits 51 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelDrive TypeLitersCylindersPositionNotes
2012FordFusion—FWD3.0LV6N/AIf welded assembly, replace all required parts
2012FordFusion—FWD3.5LV6RearIf welded assembly, replace all required parts
2012FordFusionSEL—2.5LL4N/AIf welded assembly, replace all required parts
2012FordFusionSE—2.5LL4N/AIf welded assembly, replace all required parts
2012FordFusionHybrid—2.5LL4N/AIf welded assembly, replace all required parts
2012FordFusionS—2.5LL4N/AIf welded assembly, replace all required parts
2012LincolnMKZ—FWD3.5LV6Rear—
2012LincolnMKZHybrid—2.5LL4N/AIf welded assembly, replace all required parts
2011FordFusion—FWD3.0LV6N/AIf welded assembly, replace all required parts
2011FordFusion—FWD3.5LV6RearIf welded assembly, replace all required parts
2011FordFusionSEL—2.5LL4N/AIf welded assembly, replace all required parts
2011FordFusionSE—2.5LL4N/AIf welded assembly, replace all required parts
2011FordFusionHybrid—2.5LL4N/AIf welded assembly, replace all required parts
2011FordFusionS—2.5LL4N/AIf welded assembly, replace all required parts
2011LincolnMKZ—FWD3.5LV6Rear—
2011LincolnMKZHybrid—2.5LL4N/AIf welded assembly, replace all required parts
2011MercuryMilan—FWD3.0LV6N/AIf welded assembly, replace all required parts
2011MercuryMilanBase—2.5LL4N/AIf welded assembly, replace all required parts
2011MercuryMilanPremier—2.5LL4N/AIf welded assembly, replace all required parts
2011MercuryMilanHybrid—2.5LL4N/AIf welded assembly, replace all required parts
2010FordFusion—FWD3.0LV6N/AIf welded assembly, replace all required parts
2010FordFusion—FWD3.5LV6RearIf welded assembly, replace all required parts
2010FordFusionSEL—2.5LL4N/AIf welded assembly, replace all required parts
2010FordFusionSE—2.5LL4N/AIf welded assembly, replace all required parts
2010FordFusionHybrid—2.5LL4N/AIf welded assembly, replace all required parts
2010FordFusionS—2.5LL4N/AIf welded assembly, replace all required parts
2010LincolnMKZ—FWD3.5LV6Rear—
2010MercuryMilan—FWD3.0LV6N/AIf welded assembly, replace all required parts
2010MercuryMilanBase—2.5LL4N/AIf welded assembly, replace all required parts
2010MercuryMilanPremier—2.5LL4N/AIf welded assembly, replace all required parts
2010MercuryMilanHybrid—2.5LL4N/AIf welded assembly, replace all required parts
2009FordFusion—FWD3.0LV6N/AIf welded assembly, replace all required parts
2009FordFusion——2.3LL4RearIf welded assembly, replace all required parts
2009LincolnMKZ—FWD3.5LV6Rear—
2009MercuryMilan—FWD3.0LV6N/AIf welded assembly, replace all required parts
2009MercuryMilan——2.3LL4RearIf welded assembly, replace all required parts
2008FordFusion——2.3LL4RearIf welded assembly, replace all required parts
2008FordFusion——3.0LV6N/AIf welded assembly, replace all required parts
2008LincolnMKZ—FWD3.5LV6Rear—
2008MercuryMilan—FWD3.0LV6N/AIf welded assembly, replace all required parts
2008MercuryMilan——2.3LL4RearIf welded assembly, replace all required parts
2007FordFusion—FWD3.0LV6N/AIf welded assembly, replace all required parts
2007FordFusion——2.3LL4RearIf welded assembly, replace all required parts
2007LincolnMKZ—FWD3.5LV6Rear—
2007MercuryMilan—FWD3.0LV6N/AIf welded assembly, replace all required parts
2007MercuryMilan——2.3LL4RearIf welded assembly, replace all required parts
2006FordFusion——2.3LL4RearIf welded assembly, replace all required parts
2006FordFusion——3.0LV6N/AIf welded assembly, replace all required parts
2006LincolnZephyr—FWD3.0LV6N/AIf welded assembly, replace all required parts
2006MercuryMilan——2.3LL4RearIf welded assembly, replace all required parts
2006MercuryMilan——3.0LV6N/AIf welded assembly, replace all required parts
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 68483AP Exhaust — 78266Intermotor — 55500Intermotor — 55504Walker Exhaust — 52468