LowPricedAutoParts Brass Freeze Plug Kit (Expansion/Core Plugs) - Fits Chevrolet GMC Isuzu Oldsmobile Pontiac 4.3L 262 OHV V6 Engines 1985-2009

Prevent coolant leaks and protect your GM 4.3L V6 from freeze-related damage with this premium brass freeze plug kit from LowPricedAutoParts – a complete set tailored for Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac 4.3L/262 OHV V6 engines (TBI and Vortec variants, naturally aspirated or turbocharged applications; LB4/LU3 designations; GAS) from 1985–2009. This high-quality kit fits a broad range of models including Astro/Safari vans, S10/Sonoma pickups, Blazer/Jimmy SUVs, C/K-Series trucks, Silverado/Sierra, Tahoe/Yukon, Express/Savana, Hombre, and more – essential for engine rebuilds, refreshes, or replacing worn/corroded plugs in these versatile, long-lasting V6s that powered millions of trucks, vans, SUVs, and compact utilities with dependable torque and fuel efficiency. The kit supplies all necessary premium brass freeze plugs (also known as core plugs or expansion plugs) to seal block and head casting holes, offering superior corrosion resistance over steel for reliable coolant containment and protection against cracking in cold weather or demanding conditions. Matched to the 4.3L specs, these plugs deliver a precise, OEM-style fit that minimizes leak risks, maintains cooling system pressure, and promotes long-term engine health. Ideal for addressing age-related failures during overhauls – this set helps keep your vehicle running strong with restored performance, smooth operation, and reliability for towing, hauling, family transport, or daily driving. This is not a universal kit for mismatched engines or severely damaged blocks without inspection – professional measurement of plug holes, thorough cleaning, and correct installation techniques (with sealants as per GM guidelines) are crucial for a leak-free, distortion-free seal. Always verify hole diameters and drive plugs squarely during assembly. Verify your exact year and application before ordering. LowPricedAutoParts is committed to providing the right parts with reliable customer support—message us your engine details or any fitment questions for fast, expert assistance. We're here to support your rebuild every step of the way. Shop with confidence knowing LowPricedAutoParts delivers quality automotive parts backed by outstanding service.

• Complete brass expansion plug kit for Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac 4.3L/262 OHV V6 12V engines (naturally aspirated or turbocharged; LB4 or LU3 / Vortec designations; GAS) from 1985–2009 – verify year and vehicle (e.g., Astro, Blazer, Bonneville, Bravada, C/K-Series trucks, Express/Savana, Hombre, Impala, Jimmy, S10/S10 Blazer, S15/S15 Jimmy, Safari, Silverado/Sierra, Sonoma, Typhoon, Yukon) for exact match in trucks, vans, and SUVs
• Includes a full set of premium brass freeze plugs (core plugs) for engine block and head sealing – superior corrosion resistance compared to steel; essential for preventing coolant leaks, protecting against freeze damage, and sealing casting holes during rebuilds, refreshes, or repairs on these widely used GM V6s
• Precision-engineered to OEM specs for the 4.3L Vortec/TBI family (plug holes match factory block/head sizes – confirm your specific plug hole diameters before ordering; no additional modifications needed if within spec)
• Premium brass construction delivers excellent long-term durability and secure sealing for work trucks, family SUVs, and daily drivers – restores coolant system integrity, prevents overheating or block issues, and supports consistent torque and efficiency in towing, hauling, and everyday use
• Professional installation recommended – clean plug holes thoroughly, apply appropriate sealant per GM specs if required, and drive plugs in evenly/squarely to avoid distortion; pressure-test for leaks post-assembly to ensure optimal protection and reliability
• Contact LowPricedAutoParts for fitment questions, plug size confirmation, or compatibility with your 1985–2009 Chevrolet/GMC/Isuzu/Oldsmobile/Pontiac vehicle; we're here with fast, reliable support every step of the way