AJUSA's EGR valve O-ring seal for select 3.0L V6 equipped Mercedes-Benz vehicles fits between the EGR valve and the intake manifold to provide a leak proof seal. This O-ring seal features OE form, fit, and function and is manufactured to strict engineering standards/specifications in materials and tolerances ensuring the performance of your vehicle meets your expectations. Replaces O.E. number 0259973448. Sold individually. Established in 1972, AJUSA is one of the world's leading manufacturers of gaskets, gasket sets, cylinder head bolt sets, hydraulic lifters, and much more. AJUSA offers the widest coverage for European and Asian applications, especially late model vehicles. Manufactured in Spain. With over 400 gasket SKUS that cover nearly 80% of Audi/VW, BMW/Mini, Land Rover and Volvo vehicles, the AJUSA European Gasket Program is also one of the most extensive offerings in the industry.