A-Premium Engine Oil Pan Gasket for 4.8L–6.2L V8 Engines — OEM-Style Fit, Leak-Free Seal

A-Premium's engine oil pan gasket replaces the factory seal for 4.8L–6.2L V8 engines, restoring a leak-free oil pan fit on compatible GM vehicles.

If your vehicle is listed among the many Chevy, GMC, Cadillac, Buick, Pontiac, Saab, Isuzu or Workhorse models that use 4.8L–6.2L V8 engines, this A-Premium oil pan gasket is an OEM-style replacement designed to match original contours and bolt patterns. It helps re-establish a tight seal between the oil pan and the engine block after removal for service or to fix persistent oil seepage. Check fitment closely — the listing covers a wide range of model years and trims, and the part cross-references include manufacturer part numbers for verification.

Which vehicles and model years does this gasket fit?

This gasket serves many General Motors platforms and related brands across late 1990s through late-2010s model years. Fitment includes light trucks, SUVs, full-size sedans, and specialty chassis. Always verify compatibility against your vehicle's exact year, engine displacement and OEM reference numbers before ordering.

• Chevrolet and GMC pickups and SUVs: Silverado, Sierra, Suburban, Tahoe (late 1990s–2019 ranges).
• Van and commercial models: Express and Savana (2003–2020 ranges), LCF 3500 (2016–2018).
• Performance and passenger cars: Camaro, Corvette, Impala, Monte Carlo, Caprice, SS, and related Cadillac/Buick/Pontiac models.
• Specialty: Hummer H2/H3, Isuzu Ascender, Saab 9-7x, Workhorse/FasTrack chassis variants.

How do I confirm this gasket is the correct part for my engine?

Cross-reference the item's reference numbers and compare with your vehicle's factory part number or the engine code. The listing shows reference part numbers and a confirmed-fit indicator to help ensure match. When in doubt, inspect the oil pan's bolt layout and top-left "Amazon Confirmed Fit" note per listing instructions.

• Compare OE reference numbers: 12558760, OS30693R.
• Confirm engine displacement (4.8L, 5.3L, 5.7L, 6.0L, 6.2L) and model year.
• Check the seller's fitment tool and the product's special notes before purchase.

What are the practical benefits of installing this replacement gasket?

Replacing a worn or damaged oil pan gasket prevents oil leaks that can lead to low oil levels, messy engine bays, and potential engine damage. This A-Premium gasket is manufactured to replicate original sealing dimensions so it seats correctly and restores factory-type sealing performance when installed properly.

• Stops oil seepage around the pan mating surface when installed and torqued to spec.
• Matches OEM bolt patterns and sealing profiles for reliable fitment.
• Provides a cost-effective repair versus replacing the pan assembly.

What should I prepare for the installation process?

Installing the gasket requires basic mechanical tools and a clean mating surface. Drain engine oil, remove the oil pan, clean and inspect the flange and bolt holes, then fit the gasket and torque bolts in the proper sequence to the specified values. If the oil pan is damaged, consider replacing it alongside the gasket.

• Drain oil and remove pan; clean gasket surfaces thoroughly.
• Inspect pan for warping, dents, or threaded hole damage.
• Use correct torque settings and bolt-tightening sequence during reinstallation.

Who is this for: This A-Premium oil pan gasket is intended for DIY enthusiasts, independent mechanics and fleet or commercial operators who maintain GM-based trucks, vans and SUVs equipped with 4.8L–6.2L V8 engines. It's appropriate when the original gasket has hardened, cracked or is leaking, and for anyone replacing an oil pan or performing lower-engine service who needs an OEM-style replacement seal. Always verify vehicle compatibility and the listing's confirmed-fit notes before purchasing to ensure a correct match for your make, model and year.