ZONFANT Engine Oil Pan Gasket Set for GM 4.8L–6.2L Vortec — Silicone Seal, 1-Year Warranty

This gasket set replaces multiple OEM numbers and fits many Chevy, GMC, Cadillac and Buick models, offering a durable silicone-based seal designed to stop oil seepage and keep contaminants out. The kit ships new, is tested for fitment, and includes a 1-year warranty for peace of mind.

What vehicles and part numbers does this gasket set replace?

This set covers numerous OEM references and is compatible with many GM trucks, SUVs and performance cars. Check the listed part numbers and model years against your vehicle before ordering to ensure fitment.

• Replaces: 12612350, OS30693R, PG3165, 12558760, OS32241, OS21006, OS6315P, 16792, and others.
• Fits Chevy: Silverado, Suburban, Tahoe, Avalanche, Camaro, Colorado, Express, Trailblazer, Caprice, Impala (various years).
• Fits GMC: Sierra, Yukon, Savana, Envoy, Canyon models with GM 4.8L–6.2L engines.
• Fits Cadillac & Buick: Escalade, CTS, Rainier and related V8 models listed in product details.

How does this gasket prevent oil leaks and contamination?

The gasket uses a full silicone formulation combined with engineered sealing profiles to create a resilient barrier between the oil pan and engine block. That material resists oil breakdown and helps maintain a consistent seal through thermal cycles and vibration.

• Silicone-based compound resists oil and heat deterioration.
• Precision molded shape for even compression and sealing surfaces.
• Prevents oil seepage and keeps road grime and debris out of the pan.

Is this an OEM-quality, easy-to-install replacement?

Yes — the ZONFANT gasket is designed as a direct-fit aftermarket replacement that meets or exceeds OEM specifications. Most mechanically inclined owners can install it with standard hand tools; follow torque specs and gasket-surface prep for a reliable seal.

• OEM-style geometry for bolt-hole alignment and pan fitment.
• Installable with typical garage tools; replace RTV or old gasket material completely.
• Quality-tested parts shipped new and backed by a 1-year warranty.

When should I replace my oil pan gasket?

Replace the gasket when you see persistent oil dripping from the pan seam, find oil pooling under the vehicle, or after repeated pan removal during service. Replacing worn gaskets proactively avoids more expensive repairs from oil loss or contaminated lubrication.

• Signs: visible oil stains beneath engine, fresh oil on pan edges, or low oil level with no other leak source.
• Recommended when performing pan service, oil pickup replacement, or major engine work.
• Always confirm compatibility by matching part numbers and engine displacement before purchase.

Who is this for? The ZONFANT Engine Oil Pan Gasket Set is intended for DIY mechanics, independent shops, and fleet maintenance teams working on GM Vortec V8 engines (4.8L–6.2L) in Chevrolet, GMC, Cadillac and Buick vehicles listed above. If you need a reliable, OEM-style replacement gasket to stop leaks and restore a proper seal during routine maintenance or repairs, this kit offers a tested, warrantied option.