Dorman

Dorman 679-021 Exhaust Crossover Pipe

Brand Dorman 679-021
Material Stainless steel
Inlet Outside Diameter 3.25
Outlet Outside Diameter 3.25
Length 34
Color Natural
Flanged Inlet Yes
Flanged Outlet Yes
Clamps Included No
Finish Natural
Shape Single pipe
Grade Type Regular
Hanger Included No
Outlet Quantity 1
Mounting Bracket Included No
Catalytic Converter Included Not required
Exhaust Pipe Inlet Inside Diameter (in) 3 in
Exhaust Pipe Material Stainless steel
Exhaust Pipe Outlet Inside Diameter (in) 3 in
Flange Quantity 3
Flanged Yes
Gasket or Seal Included Yes
Inlet Quantity 1
Overall Height (in) 5 in
Overall Width (in) 15 in
Package Contents 1 crossover pipe; 2 flange gaskets; 1 donut gasket
Strap Hanger Included No
Welding Required No
Fits Ford and Mercury · 7 vehicles

OE-style fit. Matches the original pipe's fit and function on specified applications.

Stainless steel. Built for reliable performance and durability.

Flanged design. Includes gaskets for a secure exhaust connection.

Cross-references 9L8Z5E256B for the same application. See all 1.

$161.56Free shipping
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Order total $161.56
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Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman Exhaust Crossover Pipe 679-021

Dorman 679-021 is a stainless steel exhaust crossover pipe built to match the fit and function of the original pipe on specified applications. It is made for direct replacement use on 2009-2012 Ford Escape and 2009-2011 Mercury Mariner models.

Key Features

  • Stainless steel construction for exhaust system durability
  • Flanged inlet and flanged outlet for OE-style connection points
  • 3-inch inlet and 3-inch outlet sizing
  • Natural finish with a single-pipe design
  • Includes gasket or seal components for installation
  • No welding required for installation

Detailed Description

This exhaust crossover pipe is engineered as a direct replacement for the original part on select Ford Escape and Mercury Mariner vehicles. Dorman 679-021 uses stainless steel construction and OE-style flange locations to help restore proper exhaust routing and sealing. The 34-inch overall length and 3-inch inlet and outlet dimensions support a precise replacement for the specified applications.

This part cross-references Ford OE number 9L8Z5E256B for the same application. It is a practical choice when replacing a worn, rusted, or leaking crossover pipe on 2009-2012 Ford Escape or 2009-2011 Mercury Mariner models.

What It Helps Fix

  • Exhaust leaks at the crossover pipe connection points
  • Corrosion or rust damage in the original pipe
  • Noisy exhaust operation caused by sealing failure
  • Restricted exhaust flow from a damaged pipe section
  • Fitment issues from a failed OE crossover pipe

Installation Notes and Tips

Verify flange alignment, pipe diameter, and vehicle application before installation. This Dorman 679-021 crossover pipe is flanged and does not require welding, which supports a straightforward replacement process on the listed Ford Escape and Mercury Mariner applications. Inspect mating surfaces and replace worn seals as needed to help achieve a proper exhaust seal.

Quality Assurance

Dorman states that this exhaust crossover pipe is designed to match the fit and function of the original pipe on specified applications and is engineered for reliable performance and durability. The stainless steel construction supports long-term service in exhaust system use.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2012FordEscape3.0LV6N/A
2011FordEscape3.0LV6N/A
2011MercuryMariner3.0LV6N/A
2010FordEscape3.0LV6N/A
2010MercuryMariner3.0LV6N/A
2009FordEscape3.0LV6N/A
2009MercuryMariner3.0LV6N/A
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
9L8Z5E256B