Cometic Chevy Small Block 4.165 inch Bore .036 inch MLS Head Gasket (w/All Steam Holes)

Cometic Chevy Small Block 4.165 inch Bore .036 inch MLS Head Gasket (w/All Steam Holes)

Marsoni

M251S

$97.60

Get it in 3 business days with 1 day shipping. Friday, May 29

Cometic Chevy Small Block 4.165 inch Bore .036 inch MLS Head Gasket (w/All Steam Holes)Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 036". With Steam Holes. Cometic MLS (Multi Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force

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I ordered this Engine Coolant Hose (part #11537545890) for my 2006 BMW 330xi as part of a comprehensive cooling system overhaul. Along with this hose, I had my mechanic replace the thermostat, water pump, radiator, expansion tank, and all other related hoses. This hose fit exactly as expected—no issues during installation. It’s been three weeks since the job was completed, and everything is performing flawlessly. No leaks, no warning lights, and the engine temperature remains stable under all driving conditions. Although this is not a genuine OEM part, the quality appears solid and it matched up perfectly with the original in terms of length, shape, and connector alignment. For anyone looking to refresh their aging BMW’s cooling system, this hose is a reliable and cost-effective option. Just be sure to verify the part number for compatibility before purchasing. Highly recommended if you’re doing preventive maintenance or replacing a failed hose as part of a larger cooling system repair.

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Reviewed in the United States on August 3, 2025

Verified Purchase

E. E. Saulsberry

Alexandria, US

★★★★★ 5

Fit perfectly

Style: One Piece

Pops right in. Perfect fit and undistinguishable from the original.

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Reviewed in the United States on May 5, 2026

Verified Purchase