Elring 870.340 Exhaust Pipe Flange Gasket

Elring Exhaust Pipe Flange Gasket 870.340

Elring 870.340 is an exhaust pipe flange gasket with 2 mounting bores, made for sealing the flange connection in the exhaust system. It is a direct-fit service part for select Chevrolet and Buick applications, including post-catalyst locations where listed.

Key Features

• Exhaust pipe flange gasket for sealing a two-bolt flange connection
• 2 mounting bores for the specified exhaust joint design
• Elring part number 870.340 for accurate ordering and replacement
• Fits select Chevrolet Impala, Chevrolet Malibu, Chevrolet Malibu Limited, and Buick LaCrosse applications
• Post-catalyst fitment is listed for specific vehicle applications

Fitment Details

• Fits 2020 Chevrolet Impala, N/A
• Fits 2014-2015 Chevrolet Impala, N/A
• Fits 2018-2019 Buick LaCrosse, N/A
• Fits 2016-2019 Chevrolet Impala, N/A, post-catalyst
• Fits 2016 Chevrolet Malibu Limited, N/A
• Fits 2013-2015 Chevrolet Malibu, N/A, post-catalyst

This part cross-references 20972702 for the same application.

What It Is Used For

• Replacing a leaking exhaust flange gasket at the pipe connection
• Restoring a proper seal after exhaust service or component replacement
• Addressing exhaust noise from a damaged or flattened gasket surface
• Correcting exhaust odor or soot marks at the flange joint
• Supporting a secure seal on listed post-catalyst exhaust connections

Installation Notes

Verify flange style, bore count, and vehicle application before installation. Clean both mating surfaces thoroughly so the new gasket seats evenly, and inspect the flange for warping, corrosion, or damage that could prevent a proper seal. Confirm the part number 870.340 against the removed gasket or service information before assembly.

Quality Assurance

Elring is an established sealing-system manufacturer known for OE-style exhaust and engine sealing components. Part number 870.340 is built for the specified flange application and fitment listed above.