Crafted with precision in Germany, this Mercedes-Benz coolant expansion tank is an essential component for your W126 1985 300SD. The OEM part number 1265001549 ensures compatibility and maintains the integrity of your vehicle's cooling system. Made from durable plastic, this tank is designed for a bolt-on mounting style, making installation straightforward with no need for drilling or modifications. The tank comes with the assurance of 100% leak testing, guaranteeing reliability and peace of mind. With its vintage charm, this genuine Mercedes-Benz part, marked with both 1265001549 and 126.500.1549, is a testament to the enduring quality of your vehicle's components. Note that this product may carry a California Prop 65 warning for cancer and reproductive harm. Exact item is shown. The hoses shown are included but are as is. Does not include the cap or sensor. Fits other models, match part number or consult your dealer. Made in Germany. Please review our business policies in our store for information regarding returns, shipping and warranties.