Engine Oil Pan Drain Fitting 511003 Metric Thread Chev Indmar M12 intake manifold - 4" Diameter Heat exchanger

- 4" Diameter Heat exchanger body

smoothing out any remaining flaws for a mirror-like finish

650mm overall length measurement at 2 1/2 point

Stay prepared and stay safe with this essential re-charge kit

Engine Oil Pan Drain Fitting 511003 Metric Thread Chev Indmar M12 intake manifold - 4" Diameter Heat exchangerThis Indmar Chevy oil pan drain fitting features a metric thread pattern M12 designed to connect an oil drain hose directly to the bottom of the oil pan, simplifying oil changes. Keep in mind that GM alternated between metric and standard threads, so verifying your thread size by removing and measuring your current fitting is essential. For standard threads, refer to Indmar Part 511002 Made from machined brass, the required gasket Indmar Part 515002