FEL-PRO
Cylinder Head Ext
$82.05
FEL-PRO
Part # 8518 PT
4.7(47 reviews)Ext. de culata
Fits Pontiac, Buick, Oldsmobile & more — 431 vehicle applications
$44.22
Only 2 left in stock
1
Express Checkout
Free ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Canadian OwnedShipped across Canada
Will this fit your vehicle?
Select your vehicle to check fitment.
FEL-PRO 8518 PT Vehicle Fitment
Fits 431 vehiclesThis Ext. de culata fits Pontiac, Buick, Oldsmobile, Stutz vehicles.
1975-1977 Pontiac Grand LeMans
1973-1975 Pontiac Grand Am
1971-1978 Pontiac Grand Safari
1971-1975 Pontiac Grandville
1967-1979 Pontiac Firebird
1967-1977 Pontiac Laurentian
1967-1977 Pontiac Parisienne
1967-1970 Pontiac Executive
1967 Pontiac Firebird
1964-1973 Pontiac GTO
1963-1977 Pontiac LeMans
1962-1977 Pontiac Grand Prix
1961-1970 Pontiac Tempest
1960-1975 Pontiac Ventura
1958-1978 Pontiac Bonneville
1958-1978 Pontiac Catalina
1958-1966 Pontiac Star Chief
1958 Pontiac Chieftain
1958 Pontiac Super Chief
FEL-PRO 8518 PT Specifications
- Cylinder Bore Diameter
- 4.300
- Gasket Sealant Included
- No
- Grade Type
- Premium
- Head Gasket Bore
- 4.3
- Head Gasket Manufactured Thickness
- .0415" - .0485"
- Material
- PermaTorque
FEL-PRO 8518 PT Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
20313CS(Corteco)20349CS(Corteco)70349CS(Detroit Gasket)20349CS(Detroit Gasket)20349(Detroit Gasket)538299(General Motors)540993(General Motors)9772289(General Motors)9790081(General Motors)9784501(General Motors)545055(General Motors)489028(General Motors)9787642(General Motors)9785654(General Motors)489029(General Motors)9790911(General Motors)9790910(General Motors)488575(General Motors)529075(General Motors)9788026(General Motors)544305(General Motors)9792995(General Motors)542973(General Motors)484351(General Motors)3494VC(MAHLE)646791(MMP)6885M(McCord)Z1374(Mopar)Z1375(Mopar)Z1370(Mopar)3494VC(Muskegon)3401VC(Muskegon)611033400(Victor Reinz)
FEL-PRO 8518 PT Product Description
FEL-PRO 8518 PT PermaTorque Engine Cylinder Head Gasket for Pontiac Firebird
Key Features
- PermaTorque head gaskets meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Built to exceed all original equipment specifications
- Provides the robust seal needed to contain peak combustion pressures and temperatures
- Validated for fit, form, and function
- Unsurpassed quality you can trust
- Las juntas de cabeza PermaTorque cumplen o exceden todas las especificaciones de equipo original
- Diseño especifico según la aplicación para garantizar un ajuste perfecto
- Fabricado para exceder todas las especificaciones de equipo original
- Ofrece el sello robusto necesario para contener presiones y temperaturas de combustión
- Validada en cuanto a forma, tamaño y función
- Calidad insuperable en que puede confiar
- Les joints de culasse PermaTorque respecte ou dépasse toutes les spécifications d’équipement d’origine
- Conception propre aux applications pour garantir un ajustement parfait
- Élaboré pour dépasser toutes les spécifications d’équipement d’origine
- Fournit le joint solide nécessaire pour contenir les pressions de combustion et les températures maximales
- Validé pour l’ajustement, la forme et la fonction
- Qualité inégalée à laquelle vous pouvez faire confiance
Las juntas Fel-Pro ofrecen un sellado de vehículos al 100 % con materiales específicos a la aplicación para brindarle soluciones de sellado con el desempeño y durabilidad que confían los profesionales.
About FEL-PRO
Shop FEL-PRO Engine Cylinder Head Gasket at Autrex with vehicle fitment details, current pricing, and checkout options for the FEL-PRO 8518 PT. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Ratings & Reviews
4.7out of 5
Based on 47 reviews
- 538
- 46
- 31
- 21
- 11
- Direct fit, no surprisesMarc D.Verified BuyerMay 28, 2026
Lined up perfectly with the original. Install took about an hour with the right press. Solid feel back in the steering, no more clunk over bumps.
Installed on 2016 Ram 1500
- Shipped fast across CanadaJen P.Verified BuyerMay 14, 2026
Ordered on a Monday, had it by Wednesday in Calgary. Greasable fitting is a nice touch. Quality looks on par with OEM.
Installed on 2014 Chevrolet Silverado 1500
- Good part, double-check your sideSteve R.Verified BuyerApr 30, 2026
Works great so far. Just confirm fitment for your exact trim before ordering — the fitment list on the page was accurate for mine.
Installed on 2017 Ford F-150
- Quiet againAmrit S.Verified BuyerApr 19, 2026
Replaced both sides at the same time. The knocking noise is completely gone. Boot quality feels durable.
Installed on 2015 GMC Sierra 1500
- Would buy againDaniel L.Mar 22, 2026
Second one I've bought from Autrex. Packaging was secure and the part matched the photos exactly.
Installed on 2013 Dodge Durango
Frequently Asked Questions — FEL-PRO 8518 PT
What vehicles does the FEL-PRO 8518 PT fit?
The FEL-PRO 8518 PT fits 24 vehicle applications including 1967-1979 Pontiac Firebird, 1958-1978 Pontiac Bonneville, 1958-1978 Pontiac Catalina, 1971-1978 Pontiac Grand Safari, 1967-1977 Pontiac Laurentian and 19 more. Check the full fitment list above to confirm your vehicle.
What parts does the FEL-PRO 8518 PT replace?
The FEL-PRO 8518 PT is a direct replacement for Corteco 20313CS, Corteco 20349CS, Detroit Gasket 70349CS, Detroit Gasket 20349CS, Detroit Gasket 20349 and 28 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the FEL-PRO 8518 PT?
Shipping options for the FEL-PRO 8518 PT are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.
How much does the FEL-PRO 8518 PT cost?
The FEL-PRO 8518 PT is currently listed at $44.22 CAD at Autrex. Final price, shipping, taxes, and availability are confirmed during checkout. Call 1-866-461-2787 if you need help before ordering.
Is the Ext. de culata a direct fit replacement?
Yes, the Ext. de culata by FEL-PRO is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Ext. de culata come with?
The Ext. de culata comes with the standard FEL-PRO manufacturer warranty. Please check the product specifications for exact warranty terms.
