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Cometic GM LHU/LNF Gen-2 ECOTEC .044in MLX Cylinder Head Gasket - 88mm Bore

SKU: CGSC15256-044

Head Gaskets

CG Head Gaskets...

Cometic GM LHU/LNF Gen-2 ECOTEC .044in MLX Cylinder Head Gasket - 88mm Bore

SKU: CGSC15256-044

Head Gaskets

CG Head Gaskets...

A$396.91
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Description

IMPORTANT NOTICE: Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Cometic Gasket, Cometic, Cometic Gasket Automotive, Cometic Gasket Marine, Cometic Gasket Powersports, COMETIC GASKETS, Cometic Powersport Gaskets StreetFX SKU cgsC15256-044 SFX Item ID 4172290 Accounting SKU cgs-C15256-044 Manufacturer SKU C15256-044 Manufacturer UPC 191070484026 Alternative References C15256-044, CGT-C15256-044

Cylinder Head Gasket

The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.

Additional Information

GM LHU/LNF Gen-2 ECOTEC .044in. MLX Cylinder Head Gasket; 88mm Bore

Part Type

Engine Cylinder Head Gasket

Features and Benefits

  • Embossed Outer Layers Coated w/Viton
  • Improved clamp load around the cylinder without increasing bore distortion

Product Details

Description:GM LHU/LNF Gen-2 ECOTEC Cylinder Head Gasket
OEM Part Number:12589346
Part Number:cgsC15256-044
Title:Cometic Gasket Automotive GM LHU/LNF Gen-2 ECOTEC .044 in MLX Cylinder Head Gasket, 88mm Bore

Product Overview


Additional Application Notes
• Material: MLX Compressed Thickness: .044 Bore Size (MM): 88 Bore Shape: Round # of layers: 4

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-10-13 17:31:44

Product Overview

The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.


Features and Benefits

  • Embossed Outer Layers Coated w/Viton

Product Details

Description:GM LHU/LNF Gen-2 ECOTEC Cylinder Head Gasket
OEM Part Number:12589346
Part Number:cgsC15256-044
Prop 65 (C, R or CR):CR
Prop 65 - Short Label:Prop_65.jpg
Prop 65 Warning Label:Prop_65.jpg
Prop 65 Yes/No:Yes
Title:Cometic Gasket Automotive GM LHU/LNF Gen-2 ECOTEC .044 in MLX Cylinder Head Gasket, 88mm Bore
WARNING CA Proposition 65 Message:The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects. For more information; visit www.p65Warnings.ca.gov
WARNING CA Proposition 65:Yes

Part Type

Engine Cylinder Head Gasket

Data: v4.2 - Upd: 2026-10-13 17:31:44

Features

  • Embossed Outer Layers Coated w/Viton
  • Improved clamp load around the cylinder without increasing bore distortion

Specifications

.044" MLX-4 LNF HEAD GASKET

Product Attributes
BrandCometic
Manufacturer's Part NumberC15256-044
Part TypeHead Gaskets
UPC191070484026

Product Details

Description:GM LHU/LNF Gen-2 ECOTEC Cylinder Head Gasket
OEM Part Number:12589346
Part Number:cgsC15256-044
Prop 65 (C, R or CR):CR
Prop 65 - Short Label:Prop_65.jpg
Prop 65 Warning Label:Prop_65.jpg
Prop 65 Yes/No:Yes
Title:Cometic Gasket Automotive GM LHU/LNF Gen-2 ECOTEC .044 in MLX Cylinder Head Gasket, 88mm Bore
WARNING CA Proposition 65 Message:The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects. For more information; visit www.p65Warnings.ca.gov
WARNING CA Proposition 65:Yes

Reference Information

Brand Name/s Cometic Gasket
StreetFX SKU cgsC15256-044
SFX Item ID 4172290
Supplier Item Code 4172290
Manufacturer SKU C15256-044
Manufacturer UPC 191070484026
Alternative References CGT-C15256-044, Gen-2, .044in, 88mm

Compatibility

Cometic GM LHU/LNF Gen-2 ECOTEC .044in MLX Cylinder Head Gasket - 88mm Bore
Year RangeMakeModelSubmodelsRegion
2011-2013 Buick Regal CXL, Premium, GS US
2010 Chevrolet HHR SS US

Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.

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