Holden Commodore VL VN VP VQ VR VS Catalytic Converter Flange Gasket GMG093 – 63mm

GMG093 exhaust flange gasket is an OE-quality replacement 2-bolt catalytic converter flange gasket designed for selected Holden Commodore VL, VN, VP, VQ, VR and VS exhaust applications.

Manufactured from a high-temperature gasket composite with an integrated steel fire ring, GMG093 provides a reliable seal between exhaust flanges, helping prevent exhaust leaks while withstanding the high temperatures and repeated thermal cycling experienced around the catalytic converter and exhaust system.

With a 63mm centre opening and 105mm bolt-hole centres, GMG093 is also suitable for a range of other exhaust applications where these dimensions match the original gasket and flange.

Key Features

• OE-quality replacement exhaust flange gasket
• 2-bolt flange design
• Suitable for selected Holden Commodore VL, VN, VP, VQ, VR and VS applications
• Used for selected catalytic converter flange connections
• 63mm centre opening
• 105mm bolt-hole centres
• High-temperature composite construction
• Integrated steel fire ring
• Designed to provide a durable, leak-resistant exhaust flange seal
• Suitable for factory replacement and performance exhaust systems where dimensions match

Vehicle Applications

• Holden Commodore VL – selected catalytic converter flange applications
• Holden Commodore VN – selected catalytic converter flange applications
• Holden Commodore VP – selected catalytic converter flange applications
• Holden Commodore VQ – selected catalytic converter flange applications
• Holden Commodore VR – selected catalytic converter flange applications
• Holden Commodore VS – selected catalytic converter flange applications
• Other Vehicles: Suitable for additional applications using a compatible 63mm, 2-bolt exhaust flange with 105mm bolt centres

Key Specifications

• Part Number: GMG093
• Gasket Type: 2-Bolt Exhaust Flange Gasket
• Centre Hole: 63mm
• Bolt Hole Centres: 105mm
• Thickness: 1.8mm
• Fire Ring: Yes
• Material: High-temperature gasket composite with steel fire ring

Installation Notes

• Ensure both exhaust flange surfaces are clean, flat and free from old gasket material before installation.
• Check that the 63mm centre opening and 105mm bolt centres correspond with the exhaust flange before installation.
• Tighten flange fasteners evenly to ensure the gasket is compressed correctly.
• Replace damaged or badly corroded bolts, studs and nuts where required.
• For best results, install a new gasket whenever the catalytic converter or exhaust flange joint is dismantled.

Recommended Products

• Exhaust Sealant – Product Code: 9AB
• Exhaust Bolts – Product Code: BOL-03-2
• Exhaust Studs – Product Code: TYS001
• Exhaust Studs – Product Code: MAS001

Frequently Asked Questions

Does GMG093 suit Holden Commodore VL, VN, VP, VQ, VR and VS?
Yes. GMG093 is used on selected Holden Commodore VL, VN, VP, VQ, VR and VS catalytic converter flange applications. Exhaust configurations can vary between engines and models, so compare the gasket dimensions with your existing flange if you are unsure.

What are the dimensions of GMG093?
GMG093 has a 63mm centre opening, 105mm bolt-hole centres and is approximately 1.8mm thick.

Will this gasket fit other vehicles?
Yes. GMG093 is used in various exhaust applications. Always compare the 63mm centre opening and 105mm bolt-hole centres with your original gasket or exhaust flange before ordering if your vehicle is not specifically listed.

Does this gasket include a fire ring?
Yes. GMG093 features an integrated steel fire ring to provide improved sealing durability under high exhaust temperatures.

Should I use sealant when installing this gasket?
The gasket is designed to seal between clean, flat exhaust flanges without additional sealant. Exhaust sealant may be used where appropriate on older or imperfect exhaust flange surfaces.

Can I reuse my old exhaust gasket?
We recommend replacing the gasket whenever the exhaust flange joint is dismantled to provide the best chance of a reliable, leak-free seal.

Can I pick up from the store?
Yes. Pick up is available but must be pre-arranged before collection.

How much is freight?
Regular post without tracking is included. If you require tracking or a faster delivery option, including Express Post, please select your preferred option during the checkout process.

Do you ship to the USA?
Yes. Best Mufflers regularly ships exhaust systems and exhaust parts to customers throughout the United States.

Please note that import duties, tariffs, taxes, and customs clearance fees are not included in the product or shipping price. Once your order is processed and the applicable charges are calculated, we will send you a secure payment link to finalise the import duties and tariff charges before dispatch.

Customer Support

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