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19256978 Genuine GM Cylinder Head Assembly With Valve For 2.2L L4 Engines
19256978 Genuine GM Cylinder Head Assembly With Valve For 2.2L L4 Engines
19256978 Genuine GM Cylinder Head Assembly With Valve For 2.2L L4 Engines
19256978 Genuine GM Cylinder Head Assembly With Valve For 2.2L L4 Engines
19256978 Genuine GM Cylinder Head Assembly With Valve For 2.2L L4 Engines
19256978 Genuine GM Cylinder Head Assembly With Valve For 2.2L L4 Engines

19256978 Genuine GM Cylinder Head Assembly With Valve For 2.2L L4 Engines

P/N: 19256978 Manufactured by: GM
$599.00 - $599.00
$599.00
$599.00 - $599.00
$599.00
1 in Stock
Condition: New
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Description

The 19256978 cylinder head assembly with valve is a genuine GM engine component designed for vehicles equipped with the 2.2L L4 engine from 2007–2008. It restores the factory cylinder head structure and supports proper airflow, valve operation, and combustion chamber sealing.

Vehicle Compatibility

Year Vehicle Engine Trims
2008 Chevrolet Cobalt 2.2L L4 Gas LS, LT
2008 Chevrolet HHR 2.2L L4 Gas LS, LS Panel, LT, LT Panel
2008 Chevrolet Malibu 2.2L L4 Gas Classic LS
2008 Pontiac G5 2.2L L4 Gas Base
2007 Chevrolet Cobalt 2.2L L4 Gas LS, LT, LTZ
2007 Chevrolet HHR 2.2L L4 Gas LS, LS Panel, LT, LT Panel
2007 Chevrolet Malibu 2.2L L4 Gas LS, LT
2007 Pontiac G5 2.2L L4 Gas Base

 

General Specifications

Condition New
Part Number 19256978
Brand GM
Part Type Cylinder Head Assembly
Years 2007–2008
Dimensions 25.9 x 17.2 x 9.9 inches
Weight 44.40 lb
Fitment Type Direct Replacement
Vehicle Chevrolet HHR, Chevrolet Cobalt, Chevrolet Malibu, Pontiac G5
Engine 2.0L DOHC, 2.2L DOHC, 2.4L DOHC


Product Features

The 19256978 cylinder head assembly is built to match factory performance and installation requirements:

  • Forms the upper combustion chamber area of the 2.2L L4 engine.
  • Includes integrated valves for proper intake and exhaust operation.
  • Maintains correct airflow and combustion chamber geometry.
  • Matches original GM casting dimensions for accurate engine fit.
  • Supports factory coolant and oil passage routing.
  • Manufactured to GM engine component durability standards.

Application Notes

The 19256978 cylinder head assembly is intended for 2007–2008 GM vehicles equipped with the 2.2L L4 engine. Proper installation ensures correct compression, valve alignment, and coolant circulation within the engine.

Always verify part number, engine configuration, and cylinder head compatibility before installation.

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