Seal combustion pressure, coolant and oil where the cylinder head meets the engine block with the APEX Automobile Parts Inc Cylinder Head Gasket, part number AHG387. It fits many vehicles with the V6-3.0L engine, among them the 1999-2001 Cadillac Catera, 2001-2005 Saturn L300 and 2001-2003 Saab 9-5. See the "Vehicles it fits" section for the full list.
A head gasket sits between the cylinder head and the block. It is designed to hold combustion pressure inside the cylinders and to keep coolant and oil in their own passages. This engine cylinder head gasket is a direct-fit replacement for the listed applications and is intended for a head gasket repair or engine reseal.
- Part type: Cylinder head gasket
- Engine: V6-3.0L
- Quantity per application: The listed applications use two head gaskets per engine.
- Hazardous material: Not classified as hazardous.
Signs this part may need replacing: coolant loss with no visible external leak, white smoke from the exhaust, overheating, milky engine oil or low compression. These symptoms can have other causes, so diagnose the engine before replacing the gasket. If a failed head gasket is the cause, this part replaces it.
Installation: Follow the vehicle service information for the head bolt tightening procedure. It also gives the correct fasteners and whether they may be reused.
Frequently Asked Questions
Is this the right cylinder head gasket for a 2001-2003 Saab 9-5 3.0L?
AHG387 is listed for the 2001-2003 Saab 9-5 with the V6-3.0L engine. Check the "Vehicles it fits" section to confirm your exact vehicle.
What other vehicles does the AHG387 head gasket fit?
It fits many vehicles with the V6-3.0L engine, including the 1999-2001 Cadillac Catera and 2001-2005 Saturn L300. The "Vehicles it fits" section has the full list.
What does a cylinder head gasket do?
It seals the joint between the cylinder head and the engine block. It holds combustion pressure in the cylinders and keeps coolant and oil in their own passages.
How many head gaskets does the V6-3.0L engine use?
The listed V6-3.0L applications use two head gaskets per engine.
What are signs a head gasket may need replacing?
Common signs are coolant loss with no visible leak, white exhaust smoke, overheating, milky oil or low compression. These can have other causes, so diagnose the engine before replacing the gasket.
