Sinister Diesel Valve Cover Gasket – 7.3L Powerstroke
Fits 1994–1997 Ford F-250 & F-350 Super Duty with 7.3L Powerstroke
Key Features
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Premium single valve cover gasket – designed specifically for one side of the 7.3L Powerstroke (1994–1997)
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Restores a proper seal between the valve cover and cylinder head to prevent oil leaks and contamination
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Constructed from high-temp, oil-resistant materials built to handle extreme diesel engine heat and vibration
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Direct-fit replacement – installs easily using factory hardware, no modifications required
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Meets or exceeds OEM standards for sealing performance and longevity
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Backed by Sinister Diesel quality assurance and technical support
Reasons to Upgrade
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Oil leaks around the valve cover area are a common issue on aging 7.3L Powerstroke engines, often caused by old gaskets that have hardened, cracked, or lost their ability to seal.
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The Sinister Diesel Valve Cover Gasket is the premium replacement option — built with advanced materials that retain elasticity and sealing strength under harsh diesel conditions.
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By restoring a proper seal, this gasket prevents oil leaks that can contaminate injectors, wiring harnesses, or other engine components.
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Whether you’re replacing a single side or servicing your entire top end, this gasket delivers the reliability your 7.3 deserves.
Product Description
The Sinister Diesel Valve Cover Gasket is a high-quality replacement designed to stop leaks and restore proper sealing on one valve cover of your 1994–1997 7.3L Powerstroke engine. Engineered from durable, heat-resistant materials, this gasket provides lasting protection against oil seepage and contamination — even under heavy load, high-heat driving conditions.
Perfect for routine maintenance or top-end repairs, this gasket installs easily with factory hardware and provides an exact fit without trimming or adjustments. It’s the ideal choice for Powerstroke owners who want to maintain factory-level sealing and protect their engine from costly oil leaks.
Kit Includes
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(1) Sinister Diesel Valve Cover Gasket – fits one valve cover (driver or passenger side)
Why Buy From Sinister Diesel
Since 2009, Sinister Diesel has been the trusted name in Powerstroke performance and reliability. Every product we offer is tested in-house and in the field to ensure it meets our strict standards for fit, quality, and durability. When you choose Sinister Diesel, you’re choosing proven reliability, fast shipping, and dedicated U.S.-based support — everything you need to keep your 7.3L Powerstroke running strong.
