Victor Reinz 71-13645-00 Exhaust Pipe Flange Gasket

OE-Style Exhaust Flange Sealing

Victor Reinz 71-13645-00 is an exhaust pipe flange gasket built for heat riser and flange sealing applications on classic Chevrolet and Pontiac vehicles. It uses graphite and metal construction to support a tight seal at the exhaust joint, helping maintain proper exhaust flow and reduce leakage at the connection point.

Compatible With 1965-1976 Chevrolet Impala, 1966-1976 Chevrolet Caprice, and other listed applications, this gasket is sized for a 3-bolt flange pattern and a 2.420 inside diameter. Victor Reinz 71-13645-00 is a direct-fit sealing solution for restoration work and exhaust service on select GM cars and trucks.

• Graphite and metal material for exhaust sealing durability
• Flat gasket design for flange-style exhaust joints
• 3 bolt holes with a 3-1/16 in bolt pattern noted in fitment
• 2.420 in inside diameter and 0.850 in thickness
• Color may vary
• Cross-references Continental 60117 for the same application

Detailed Product Overview

Victor Reinz 71-13645-00 is engineered as an OE-quality exhaust pipe flange gasket for vehicles that use a heat riser or similar 3-bolt exhaust connection. The graphite and metal construction is selected to help maintain sealing integrity under exhaust heat and vibration, while the flat profile supports consistent contact across the flange surface. This part number is commonly searched for classic Chevrolet Impala exhaust flange gasket replacement, Chevrolet Camaro heat riser gasket replacement, and Pontiac Laurentian exhaust sealing service.

Vehicle coverage includes applications such as 1965-1974 Chevrolet Corvette, 1967-1974 Chevrolet Camaro, 1969-1974 Chevrolet Nova, 1966-1974 Pontiac Laurentian, and 1968-1972 Chevrolet C10 Suburban. The part number 71-13645-00 is also associated with OE replacement searches for 3981068 and related cross-reference listings.

Common Problems This Gasket Can Address

• Exhaust leakage at a 3-bolt flange connection
• Noise from a worn or damaged heat riser gasket
• Loss of sealing after exhaust service or manifold work
• Fitment issues when replacing an OE-style flange gasket
• Visible soot or residue around the exhaust joint

Installation Notes and Tips

Confirm the flange pattern, inside diameter, and gasket style before installation. Clean both mating surfaces thoroughly so the gasket can seat evenly, and inspect the flange for warping, corrosion, or pitting that could affect sealing. For best results, match the application to the listed vehicle fitment and verify the 3-bolt configuration before assembly.

Quality Assurance

Victor Reinz is an original equipment supplier known for gasket technology used by manufacturers worldwide. This part is built to OE-quality standards for sealing performance and application coverage across foreign and domestic vehicles.