ZONFANT Engine Oil Pan Gasket Set for GM Vortec V8 (fits 4.8L–6.2L) — OEM-Equivalent, Silica Seal

ZONFANT Engine Oil Pan Gasket Set is a direct-fit replacement gasket kit engineered to restore a reliable seal between the oil pan and engine block for compatible GM Vortec V8 engines.

This gasket set replaces multiple OEM part numbers (including 12612350 and OS30693R) and fits a wide range of Chevrolet, GMC, Cadillac and Buick models with 4.8L–6.2L Vortec engines. The kit ships brand new, is made from a high-quality silica-based sealing compound, and is designed for a straightforward installation that helps prevent oil seepage and contamination when installed correctly.

Will this gasket fit my vehicle and which part numbers does it replace?

This set is intended to replace part numbers like 12612350, OS30693R, PG3165 and several equivalents. It supports many GM models across model years from late 1990s into the 2010s, including Silverado, Tahoe, Avalanche, Camaro, Escalade and more.

• Replaces: #12612350, OS30693R, PG3165, 12558760 and others.
• Compatible engines: GM Vortec 4.8L, 5.3L, 5.7L, 6.0L, 6.2L V8.
• Common vehicles: Chevrolet Silverado, Suburban, Tahoe, Avalanche, Camaro, Express; Cadillac Escalade/CTS; Buick Rainier.

How does the ZONFANT gasket prevent oil leaks and protect the engine?

The gasket uses a silica-enhanced sealing compound that conforms to mating surfaces, blocking oil pathways and keeping contaminants out. A correct installation restores the pan-to-block seal, reducing external oil loss and helping maintain proper oil levels.

• Silica-based material provides flexible, long-lasting sealing.
• Designed to resist oil breakdown and common engine heat cycles.
• Helps prevent external leaks and keeps debris from entering the oil sump.

Is this an OEM-equivalent part and what should I expect during installation?

This kit is crafted to match OEM fit and function, made from materials chosen to meet or exceed factory standards. Installation is similar to OEM gasket replacement: drain oil, remove pan, clean surfaces, position gasket, and torque fasteners to factory spec for a reliable seal.

• OEM-design direct fit minimizes modification or trimming.
• Installation requires basic mechanical tools and torque wrench.
• Recommended: clean mating surfaces and replace oil after reinstall.

What warranty and support come with the product?

ZONFANT includes a one-year warranty on this engine oil pan gasket set and provides customer support for fitment or product questions. The warranty covers defects in materials and workmanship under normal use and provides options for replacement or refund per policy.

• One-year limited warranty from ZONFANT.
• All units tested before shipping to ensure quality.
• Customer support available for compatibility or installation inquiries.

Who is this for: This gasket set is aimed at DIY mechanics, professional technicians and fleet maintainers servicing GM vehicles with Vortec V8 engines who need a cost-effective, OEM-equivalent oil pan gasket replacement. It’s especially useful when restoring proper oil containment after pan service or addressing slow leaks caused by age, heat cycling or previous improper sealing. Always confirm the part number and engine application against your vehicle’s VIN or service manual before ordering.