The part numbers 23538406 and 23532298 correspond to an aftermarket Cylinder Head Gasket manufactured by Interstate-McBee (as well as other major heavy-duty brands) specifically engineered for the heavy-duty Detroit Diesel Series 60 engine. ? Specifications & FeaturesMaterial Construction: Multi-layer steel (MLS) and composite materials built to resist high-pressure blowouts and withstand extreme temperatures. Performance: High-temperature rated, leak-resistant, and engineered to deliver consistent sealing under rigorous everyday hauling and industrial loads. Thickness Variant Note: While standard direct-fit versions are most common, specialized aftermarket variants (like PAI’s cross-reference) also offer a. 010-inch oversize option to compensate for deeply machined blocks or cylinder head cuts. &####128667; Engine & Vehicle CompatibilityThis head gasket is universally compatible across heavy-duty semi-trucks, commercial equipment, and industrial applications powered by the Detroit Diesel Series 60. It accommodates multiple displacements, including:11.0L Engines12.7L Engines14.0L Engines.