Mahle HS54840 Engine Cylinder Head Gasket Set

Overview

The Mahle HS54840 engine cylinder head gasket set is built for sealing repairs that demand OEM-standard materials and precise fitment. It is compatible with 2005-2007 Chevrolet Cobalt and 2004-2007 Saturn Ion applications, with coverage that matches the listed engine sealing needs.

Key Features

• Multi-layer steel cylinder head gasket for durable sealing performance.
• Multi-layer steel exhaust manifold gasket for high-temperature sealing.
• Fluoroelastomer intake manifold gasket material for reliable sealing at the intake side.
• OEM standard item grade for service-level replacement work.
• Torque-to-yield application noted for proper engine rebuild planning.
• Contains miscellaneous gaskets and seals needed for the listed repair.

Detailed Description

Mahle HS54840 is an engine cylinder head gasket set for sealing service on the Chevrolet Cobalt and Saturn Ion within the listed model years. The set uses multi-layer steel for the cylinder head and exhaust manifold gaskets, while the intake manifold gasket uses fluoroelastomer for a dependable seal in the intake tract. The OEM-standard construction supports repair work where accurate sealing and material consistency matter. This part number, HS54840, is intended for applications that require torque-to-yield fastener handling during reassembly.

Mahle is known for gasket and sealing products used by OEMs and technicians worldwide, and HS54840 follows that service-focused approach. If you are replacing a head gasket set on a Chevrolet Cobalt or Saturn Ion, this part number provides the sealing components specified for the application.

Common Repair Uses

• Head gasket failure causing coolant or compression loss.
• Intake or exhaust manifold sealing leaks during engine service.
• Engine teardown work that requires matched sealing components.
• Reassembly after cylinder head removal on the listed vehicles.

Installation Notes

Confirm engine code and application details before installation. Cylinder head bolts are not included and replacement is recommended for these torque-to-yield applications. Clean all mating surfaces thoroughly and follow the manufacturer’s torque sequence and tightening specifications during assembly.

Quality Assurance

Mahle supplies sealing products used in OEM and professional repair environments. HS54840 is built to OEM-standard requirements for the listed applications and uses material selections suited to engine sealing service.