BBTV 2N5091 Engine Piston Ring

Engine piston ring set overview

Engine piston ring set Part Number 2N5091 is built for standard-size applications with a 75.00 mm bore and ring dimensions matched to the listed fitments. It uses stainless steel and grey iron construction with nitride and phosphate surface treatments for the top and second rings.

Key features

• Standard size piston ring set for 75.00 mm engine bores
• Stainless steel top ring with nitride surface treatment
• Grey iron second ring with phosphate surface treatment
• Stainless steel rail and expander oil ring design
• Fits 2000-2005 Toyota Echo and 2008 Hyundai Tiburon, N/A

Detailed description

Part Number 2N5091 is an engine piston ring set for compatible 4-cylinder applications listed in the fitment data. The ring package includes a 1.2 mm top groove, 1.2 mm second groove, and 2.0 mm first oil groove, with a standard oversize specification. Material selection and surface treatments are aimed at maintaining ring stability and sealing performance under engine operating conditions. This part cross-references Monroe Shocks & Struts (e.g., 13011-21130) for the same application.

For buyers searching for a Toyota Echo piston ring set or Hyundai Tiburon engine piston rings, this part number 2N5091 matches the listed bore and groove dimensions shown in the application data. Use the fitment notes to confirm engine configuration before ordering.

What this part is used for

• Restoring cylinder sealing when compression has dropped
• Addressing oil control issues related to worn ring surfaces
• Replacing rings during engine rebuild or overhaul work
• Correcting blow-by caused by worn piston ring components

Installation notes and tips

Confirm bore size, groove widths, and engine configuration against the application notes before installation. Clean piston ring grooves thoroughly and inspect cylinder walls for wear or scoring before assembly. Follow the engine builder’s ring end-gap and break-in procedures for the specific application.

Quality assurance

Use the listed bore and groove specifications to verify correct application before installation. Part Number 2N5091 is specified for the fitments shown in the product data, including Toyota Echo and Hyundai Tiburon applications.