The GM 12589346 Cylinder Head Gasket is a premium Multi-Layer Steel (MLS) component engineered for durability and precision in gasoline engines. Designed as an OE-compliant replacement, it ensures seamless compatibility with GM vehicles, heavy-duty trucks, and agricultural machinery. With a 1-year warranty and OEM-standard dimensions, this gasket delivers exceptional thermal resistance up to 300°C and pressure tolerance of 2,000 psi, making it ideal for demanding applications.
| Part Number | 12589346 (OE Equivalent: 12F31-16A, 26376PT) |
| Material | Multi-Layer Steel (MLS) |
| Applications | Chevrolet/GMC 3.6L, Heavy Trucks, Agricultural Equipment |
✅ Chevrolet Traverse (2008-2019)
✅ GMC Sierra 1500 (2014-2023)
✅ John Deere 6R Tractors
Problem: A fleet of Freightliner Cascadia trucks experienced repeated cylinder head gasket failures due to extreme thermal cycling.
Solution: Replaced OE gaskets with GM 12589346 MLS Gaskets, resulting in 40% longer service life and reduced downtime.
Technical Insight: The MLS design compensates for surface irregularities up to 0.2mm, critical for high-mileage engines.
As a leader in engineering machinery parts, heavy truck components, and agricultural equipment solutions, Growshine International provides globally certified parts with ISO 9001 compliance. Our expertise spans:
OEM-quality replacement parts for Caterpillar, Komatsu, Volvo
Cross-border supply chain optimization
