The Bendix AR3559511 is a cylinder head kit for Holset air brake compressors, classified under air brake compressor service parts. This kit covers the compressor head service interval on Holset-style units commonly found in heavy-duty truck applications. Sold individually. Pro Gear and Transmission carries genuine Bendix compressor service parts. Call us to confirm this kit fits your specific compressor before ordering.Interchanges:745-AR3559511BANAR3559511BWAR3559511BXAR3559511TWDBENAR3559511ZACAR3559511A factory handling fee of $20.00 per unit is added at checkout.FeaturesGenuine Bendix cylinder head kit for Holset air brake compressorsBendix part number AR3559511Classified under air brake compressor service partsSold individually (unit of measure: each)