Cylinder Head Assy 55573669 55565291 for Chevrolet Cruze Sonic Trax Buick Encore

Cylinder Head Assembly for Chevrolet and Buick

This cylinder head assembly, referenced under OEM numbers 55573669 and 55565291, is a complete replacement unit that restores compression and valvetrain function on compatible GM vehicles.

Overview

The cylinder head assembly 55573669 55565291 is a fully assembled head that bolts on to restore proper combustion chamber sealing and valve operation. It suits drivers and mechanics repairing Chevrolet Cruze, Sonic, and Trax models as well as Buick Encore vehicles. This cylinder head assembly 55573669 55565291 offers a practical path to getting a vehicle back on the road after head damage or gasket failure.

Built For Performance

• Complete assembly with valves and springs pre-installed for faster installation
• Cast and machined to match the original mounting and port geometry
• Precision deck surface supports reliable head gasket sealing
• Cross-references OEM numbers 55573669 and 55565291 for easy verification
• Built to withstand normal combustion temperatures and pressures

Fits These Machines

• for Chevrolet Cruze
• for Chevrolet Sonic
• for Chevrolet Trax
• for Buick Encore

On-The-Job Use

• Replacing a warped or cracked head after overheating
• Engine rebuilds and top-end refresh work
• Restoring compression on high-mileage vehicles
• Shop and home garage repair projects

Specs At A Glance

Good To Know

Q: Does this head come fully assembled? A: It is listed as a complete assembly with valvetrain components installed, but confirm included parts with the seller before ordering. A: Some listings ship bare, so verify what is in the box.

Q: Are new head bolts required? A: Many torque-to-yield head bolts are single-use, so check your service manual before reuse. A: Replacing them is the safer approach on most modern engines.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.