A-Premium Oil Pan Gasket for GM 4.8L–6.2L Engines — OEM Fit, Leak-Resistant Seal

High-quality replacement oil pan gasket engineered to restore a secure, leak-resistant seal for GM 4.8L, 5.3L, 5.7L, 6.0L and 6.2L engines.

If your vehicle is showing oil drips beneath the engine or you’re performing an oil pan service, choosing the correct gasket matters for a lasting repair. This A-Premium oil pan gasket is made to match OEM dimensions and fit a wide range of Chevrolet, GMC, Cadillac and compatible models. The listing covers many model years and engine sizes; double-check vehicle compatibility and the Amazon Confirmed Fit before ordering.

Which vehicles and engines will this oil pan gasket fit?

This gasket is designed for numerous GM-based vehicles powered by V8 and V6 engines in the 4.8L–6.2L range. Fitment includes light-duty trucks, full-size SUVs, sedans and performance cars across Chevrolet, GMC, Cadillac and several other makes that used GM powertrains.

• Chevrolet: Express, Silverado (1500/2500/3500), Suburban, Tahoe, Camaro, Corvette and more (specific year ranges listed).
• GMC: Sierra, Canyon, Savana, Yukon and similar models across compatible years.
• Cadillac, Buick, Pontiac, Saab, Isuzu, Hummer and select Workhorse/Avanti chassis where GM engines were used.
• Reference part numbers: 12558760 and OS30693R — verify against your vehicle’s OEM part number.

How does this gasket help prevent oil leaks after pan removal?

The gasket is molded to match factory sealing surfaces and uses materials that resist oil degradation and heat cycling. Properly installed, it fills small surface imperfections and maintains compression to reduce weeping at the pan-to-block joint.

• Engineered to OEM shape for consistent bolt-to-bolt contact and sealing.
• Material formulated to withstand engine oil and temperature fluctuations.
• Designed for reinstallation during oil pan service or repair procedures.

What should I check before ordering or installing this part?

Confirm compatibility by matching the listed fitment years and models with your vehicle, and compare the reference part numbers to your current gasket. Inspect the oil pan and mating surface for warpage, deep gouges, or corrosion; damaged surfaces may require machining or replacement parts for a proper seal.

• Use the Amazon Confirmed Fit tool and verify the Special Note for your vehicle.
• Compare part numbers: 12558760 / OS30693R with your OEM part.
• Ensure the oil pan mating surface is clean, flat and free of old gasket material before installation.

Can I install this gasket myself or should a shop handle it?

Installation is straightforward for mechanically-inclined owners with basic tools and a service manual, but it requires lifting the vehicle and observing torque specifications. If you lack tools, experience with gasket surfaces, or proper safety equipment, a professional installation reduces the risk of leaks or damage.

• Typical steps: drain oil, remove oil pan, clean surfaces, fit new gasket, torque bolts to spec, refill oil.
• Recommended: use correct torque sequence and manufacturer specs to avoid distortion.
• Consider professional help if access is limited or the pan or block requires repair.

Who is this for: A-Premium’s oil pan gasket suits DIY mechanics, independent repair shops and fleet owners who need a cost-effective replacement matching OEM sizing for GM 4.8L–6.2L engines. It’s ideal when performing oil pan service, fixing persistent oil weeps, or restoring a vehicle to proper maintenance condition — just confirm fitment and part numbers for your exact year and model before purchase.