OE Quality
60-Day Returns

Apex AHS3094 Engine Cylinder Head Gasket Set
Apex AHS3094 Engine Cylinder Head Gasket Set
The Apex AHS3094 engine cylinder head gasket set is a direct-fit sealing solution for select GM and Saab applications. It is built for vehicles that need reliable cylinder head sealing during engine service, rebuilds, or head gasket replacement.
Key Features
- Engine cylinder head gasket set for sealing the combustion chamber and coolant/oil passages
- Compatible with 2006-2009 Chevrolet Trailblazer, N/A
- Compatible with 2006-2009 GMC Envoy, N/A
- Compatible with 2006-2009 Saab 9-7x, N/A
- Compatible with 2006-2008 Isuzu Ascender, N/A
- Compatible with 2006-2007 Buick Rainier, N/A
- Compatible with 2006 Chevrolet Trailblazer EXT, N/A
- Compatible with 2006 GMC Envoy XL, N/A
- Part number AHS3094 for application matching and service lookup
Detailed Description
Apex AHS3094 is an engine cylinder head gasket set for vehicles in the 2006-2009 Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Isuzu Ascender, and Buick Rainier range, plus 2006 Trailblazer EXT and Envoy XL models. Use this gasket set when servicing the cylinder head and related sealing surfaces on the listed applications. The AHS3094 part number helps confirm the correct gasket set for your engine service needs.
What It Is Used For
- Replacing a leaking cylinder head gasket
- Restoring compression sealing between the cylinder head and engine block
- Addressing coolant loss from head gasket failure
- Addressing oil seepage at the cylinder head sealing surface
- Supporting engine repair after overheating-related gasket damage
Installation Notes and Tips
Verify engine code and gasket layout before installation. Clean and inspect the head and block mating surfaces, and follow the vehicle service manual for torque sequence, torque angle, and reassembly steps. Confirm fitment by matching the vehicle year, make, model, and engine configuration to AHS3094 before beginning service.
Quality Assurance
Apex AHS3094 is cataloged for the listed vehicle applications and part-number identification. Confirm all fitment details against your vehicle before installation.
This part fits 19 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | |
| 2009 | GMC | Envoy | 4.2L | L6 | N/A | |
| 2009 | Saab | 9-7x | 4.2L | L6 | N/A | |
| 2008 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | |
| 2008 | GMC | Envoy | 4.2L | L6 | N/A | |
| 2008 | Isuzu | Ascender | 4.2L | L6 | N/A | |
| 2008 | Saab | 9-7x | 4.2L | L6 | N/A | |
| 2007 | Buick | Rainier | 4.2L | L6 | N/A | |
| 2007 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | |
| 2007 | GMC | Envoy | 4.2L | L6 | N/A | |
| 2007 | Isuzu | Ascender | 4.2L | L6 | N/A | |
| 2007 | Saab | 9-7x | 4.2L | L6 | N/A | |
| 2006 | Buick | Rainier | 4.2L | L6 | N/A | |
| 2006 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | |
| 2006 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | |
| 2006 | GMC | Envoy | 4.2L | L6 | N/A | |
| 2006 | GMC | Envoy XL | 4.2L | L6 | N/A | |
| 2006 | Isuzu | Ascender | 4.2L | L6 | N/A | |
| 2006 | Saab | 9-7x | 4.2L | L6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.