Walker

Walker 42066 Universal Exhaust Flex Pipe

Brand Walker 42066
Material Steel
Length 18
Inlet Type Pipe connection
Inlet Inside Diameter 3.5
Finish Aluminized
Inlet Quantity 1
Outlet Inside Diameter 3.5
Outlet Quantity 1
Outlet Type Pipe connection
Pipe Wall Thickness 0.015
Fits

Universal flex pipe. Pre-cut tubing for a variety of exhaust applications.

Galvanized steel construction. Built for durability with an aluminized finish.

Pipe connections at both ends for straightforward installation.

Cross-references Gates 24753, G15-3518 and GF-3518 for the same application. See all 4.

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Walker 42066 Universal Exhaust Flex Pipe

Walker 42066 is a universal exhaust flex pipe made from steel with an aluminized finish for added durability in exhaust repair and custom exhaust routing. With 3.5-inch inlet and outlet inside diameters and an 18-inch length, it is built for pipe-connection applications where a straight-through flex section is needed.

Key Features

  • Universal exhaust flex pipe for exhaust and tail pipe service
  • Steel construction with aluminized finish
  • 18-inch length for flexible routing and repair work
  • 3.5-inch inlet inside diameter and 3.5-inch outlet inside diameter
  • Pipe connection inlet and outlet design
  • 0.015-inch pipe wall thickness

Product Details

Walker 42066 is a pre-cut flex tubing solution for exhaust systems that need movement tolerance between sections. The steel body and aluminized finish help support durability in demanding underbody conditions, while the 3.5-inch pipe connection ends make it suitable for matching existing exhaust tubing in custom fabrication or replacement work. This Walker 42066 flex pipe is a practical choice for technicians working on exhaust and tail pipe repairs where a universal 18-inch flex section is required. It is commonly searched as a Walker exhaust flex pipe 3.5 inch, 18 inch universal flex tubing, and Walker 42066 exhaust repair part.

This part cross-references Gates 24753 for the same application.

Common Uses

  • Replacing a damaged or cracked exhaust flex section
  • Restoring exhaust movement between connected pipe sections
  • Repairing vibration-related exhaust leaks
  • Supporting custom exhaust fabrication with 3.5-inch tubing
  • Addressing exhaust noise caused by a failed flex joint

Installation Notes

Verify the existing exhaust pipe diameter before installation to confirm a 3.5-inch pipe connection match. Measure the available space to confirm the 18-inch length will fit the routing path. Because this is a universal exhaust flex pipe, final fit depends on the vehicle’s exhaust layout and the installer’s fabrication method. Search terms such as Walker 42066 for exhaust repair, 3.5 inch universal flex pipe, and Walker flex pipe for custom exhaust work are commonly used by buyers comparing replacement options.

Quality Assurance

Walker manufactures this flex tubing from galvanized steel construction with an aluminized finish to support durability in exhaust service. Part number 42066 is built for universal exhaust applications where a pipe-connection flex section is needed.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — 24753G15-3518GF-3518J024753