HIHIAV 12612350 OS30693R GM Oil Pan Gasket & Oil Pump Gasket Kit for 4.8-6.2L Vortec Engines

Overview

Meet HIHIAV’s comprehensive GM gasket kit, designed to support GM Vortec engines across a broad roster of vehicles. This kit pairs an oil pan gasket with an oil pump gasket, offering a balanced solution for the essential seals in your engine’s lower end. Rather than promising guarantees, this kit presents possibilities for steadier sealing under typical driving conditions, with fitment tailored for a wide range of models.

Users can expect a product built to align with the needs of common maintenance tasks on modern GM powertrains. While not a guaranteed fix for every scenario, the parts are designed to work with the engine configurations listed in the compatibility notes, enabling a potentially smoother replacement process during routine service or preventative maintenance.

Compatibility & Range

The kit is compatible with GM Vortec engines in 4.8L, 5.3L, 5.7L, 6.0L and 6.2L displacements, spanning a broad family of vehicles. This includes popular pickups and SUVs such as the Chevrolet Silverado, Suburban, Tahoe, and Colorado, as well as the GMC Sierra, Yukon, and Envoy. The compatibility extends to multiple model years in the late 1990s through the 2010s, reflecting a versatile option for many GM-era platforms.

Notable model coverage includes Chevrolet Silverado, Suburban, Tahoe, Avalanche, Express, Trailblazer, Caprice, Impala, GMC Sierra, Yukon, Savana, Envoy, Canyon, Cadillac Escalade, and Buick Rainier, among others. If you are unsure about fitment for a specific year or trim, please compare your vehicle’s engine configuration and gasket part numbers to the kit’s listed replacements and consult our support team for guidance.

What’s Included

• 1 set of oil pan gasket
• 1 oil pump gasket
• 12 months warranty

• Replacement references: 12612350, OS30693R, OS32241, OS32441, AOP371, 12558760, 12580672, 12599020, 8125587600, 8126123500
• Clear packaging and labeling to support quick identification

Quality Details & How It Helps

The kit emphasizes proper seal geometry and compatible dimensions to align with common GM Vortec engine assemblies. While the seal’s effectiveness can vary with conditions, the parts are designed to support reliable re-sealing after maintenance work, potentially helping to reduce unexpected drips and for a cleaner engine bay after service.

Two practical components—oil pan gasket and oil pump gasket—address critical points in the engine’s oil system. The combination is intended to simplify replacement workflows for both DIY enthusiasts and professional technicians, offering a consolidated solution rather than hunting for separate pieces.

Usage Tips & After-Sales

• Verify engine displacement and model year compatibility before purchasing.
• Prepare correct fasteners and sealing competence to support a proper reseal.

• Customer support is available for installation questions and product assistance within the stated warranty period.
• If there is an issue with the product, assistance with exchange or return may be offered per policy.