Mahle 54581 Cylinder Head Gasket for GM 6.6L Duramax Diesel Engines

Description

Mahle Engine Cylinder Head Gasket – 54581

The Mahle 54581 is a premium-quality multi-layered steel (MLS) head gasket built to OEM standards for a wide range of Chevrolet, GMC, and Hummer vehicles equipped with the 6.6L Duramax diesel engine. With a thickness of 1.00 mm (0.039″), this gasket provides excellent sealing for engines requiring a slightly thicker head gasket during rebuilds or head resurfacing.

Mahle’s MLS design ensures superior durability and sealing under extreme temperature and pressure, making it ideal for heavy-duty use or performance applications.

---

Key Features:

• Material: Multi-Layered Steel (MLS)

• Thickness: 0.039 in (1.00 mm)

• Cylinder Bore Diameter: 4.14 in (105.40 mm)

• Gasket Sealant Included: No

• Torque-to-Yield Compatible: Yes

• Item Grade: OEM Standard

• Package Quantity: 1 Head Gasket

• Cylinder Head Bolts Included: No

---

Vehicle Fitment – GM 6.6L Duramax Diesel:

Chevrolet:

• Silverado 2500 HD (2001–2016)

• Silverado 3500 (2001–2006)

• Silverado 3500 Classic (2007)

• Silverado 3500 HD (2007–2016)

• Express 2500 / 3500 / 4500 (2006–2016)

• C4500 / C5500 Kodiak (2003–2007)

GMC:

• Sierra 2500 HD (2001–2016)

• Sierra 2500 HD Classic (2007)

• Sierra 3500 (2001–2006)

• Sierra 3500 Classic (2007)

• Sierra 3500 HD (2007–2016)

• Savana 2500 / 3500 / 4500 (2006–2016)

• C4500 / C5500 Topkick (2003–2007)

Hummer:

• H1 (2006)

---

OEM Reference Numbers – GM:

• 97309560

• 98030629

• 98045056

---

Note: This listing is for one (1) cylinder head gasket. If replacing both heads, two gaskets are required. Head bolts are not included and must be purchased separately.

Explore more from our collection.