12634128 Genuine GM Cylinder Head Assembly For 2.4L L4
Unit Auto Parts LLC provides a complimentary 2-Year Warranty on all automotive parts. Shop with confidence knowing your purchase is protected. Learn More
Unit Auto Parts LLC provides a complimentary 2-Year Warranty on all automotive parts. Shop with confidence knowing your purchase is protected. Learn More
The 12634128 cylinder head assembly is a machined GM component designed for 2.4L inline-four gasoline and flex fuel engines. It forms the upper portion of the combustion chamber while supporting the valves, ports, and airflow passages needed for proper engine operation.
| Year | Vehicle | Engine | Trims |
|---|---|---|---|
| 2017 | Buick Regal | 2.4L L4 Flex, 2.4L L4 Gas | Base |
| 2017 | Buick Verano | 2.4L L4 Flex, 2.4L L4 Gas | Base, Leather, Sport Touring |
| 2017 | Chevrolet Equinox | 2.4L L4 Flex, 2.4L L4 Gas | L, LS, LT, Premier |
| 2017 | GMC Terrain | 2.4L L4 Flex, 2.4L L4 Gas | Denali, SL, SLE, SLT |
| 2016 | Buick LaCrosse | 2.4L L4 Electric/Gas | Base, Leather |
| 2016 | Buick Regal | 2.4L L4 Electric/Gas, 2.4L L4 Flex, 2.4L L4 Gas | Base, Premium |
| 2016 | Buick Verano | 2.4L L4 Flex, 2.4L L4 Gas | Base, Convenience, Leather, Sport Touring |
| 2016 | Chevrolet Equinox | 2.4L L4 Flex, 2.4L L4 Gas | L, LS, LT, LTZ |
| 2016 | GMC Terrain | 2.4L L4 Flex, 2.4L L4 Gas | Denali, SL, SLE, SLT |
| 2015 | Buick LaCrosse | 2.4L L4 Electric/Gas | Base, Leather |
| 2015 | Buick Regal | 2.4L L4 Electric/Gas, 2.4L L4 Flex | Base, Premium |
| 2015 | Buick Verano | 2.4L L4 Flex | Base, Convenience, Leather |
| 2015 | Chevrolet Captiva Sport | 2.4L L4 Flex | LS, LT, LTZ |
| 2015 | Chevrolet Equinox | 2.4L L4 Flex, 2.4L L4 Gas | LS, LT, LTZ |
| 2015 | GMC Terrain | 2.4L L4 Flex, 2.4L L4 Gas | Denali, SL, SLE, SLT |
| 2014 | Buick LaCrosse | 2.4L L4 Electric/Gas | Base, Leather |
| 2014 | Buick Regal | 2.4L L4 Electric/Gas | Base, Premium |
| 2014 | Buick Verano | 2.4L L4 Flex | Base, Convenience, Leather |
| 2014 | Chevrolet Captiva Sport | 2.4L L4 Flex | LS, LT, LTZ |
| 2014 | Chevrolet Equinox | 2.4L L4 Flex, 2.4L L4 Gas | LS, LT, LTZ |
| 2014 | Chevrolet Impala | 2.4L L4 Electric/Gas | Eco |
| 2014 | Chevrolet Malibu | 2.4L L4 Electric/Gas | Eco |
| 2014 | GMC Terrain | 2.4L L4 Flex, 2.4L L4 Gas | Denali, SLE, SLT |
| 2013 | Buick LaCrosse | 2.4L L4 Electric/Gas | Base, Leather |
| 2013 | Buick Regal | 2.4L L4 Electric/Gas | Base, Premium |
| 2013 | Chevrolet Captiva Sport | 2.4L L4 Flex | LS, LT, LTZ |
| 2013 | Chevrolet Equinox | 2.4L L4 Flex, 2.4L L4 Gas | LS, LT, LTZ |
| 2013 | Chevrolet Malibu | 2.4L L4 Electric/Gas | Eco |
| 2013 | GMC Terrain | 2.4L L4 Flex, 2.4L L4 Gas | Denali, SLE, SLT |
| 2012 | Buick Regal | 2.4L L4 Electric/Gas, 2.4L L4 Flex | Base, Premium |
| 2012 | Buick Verano | 2.4L L4 Flex | Base, Convenience, Leather |
| 2012 | Chevrolet Captiva Sport | 2.4L L4 Flex | LS |
| 2012 | Chevrolet Equinox | 2.4L L4 Flex, 2.4L L4 Gas | LS, LT, LTZ |
| 2012 | GMC Terrain | 2.4L L4 Flex, 2.4L L4 Gas | SLE, SLT |
| 2011 | Buick Regal | 2.4L L4 Gas | CXL |
| 2011 | Chevrolet Equinox | 2.4L L4 Gas | LS, LT, LTZ |
| 2011 | GMC Terrain | 2.4L L4 Gas | SLE, SLT |
| 2010 | Chevrolet Equinox | 2.4L L4 Gas | LS, LT, LTZ |
| 2010 | GMC Terrain | 2.4L L4 Gas | SLE, SLT |
| Condition | New |
| Part Number | 12634128 |
| Brand | GM |
| Part Type | Cylinder Head Assembly |
| Years | 2010–2017 |
| Engine | 2.4L L4 (Flex, Gas, Electric/Gas) |
| Part Description | Head Assembly, Cyl (Machining) |
| Dimensions | 28.3 x 19.9 x 11.4 inches |
| Weight | 40.90 Pounds |
The 12634128 cylinder head assembly is built to match factory performance and installation requirements:
The 12634128 cylinder head assembly is intended for GM vehicles equipped with the 2.4L L4 engine listed above. Installation requires correct torque procedure and proper head gasket and bolt selection for the engine.
Always verify part number, engine configuration, and cylinder head compatibility before installation.