Relay Valve 4 Port (1) 3/8in Control Port (1) 3/4in Supply Port (4) 3/8in Delivery Ports
Part number: EM52530
OE MFG: SEALCO AIR CONTROLS, INC.
OEM Reference: 110415
Cross Reference: FREIGHTLINER TRUCK PARTS : SLC110415; OTHER : 110415, E-SL110415, S-17740
Product Class: Air Valves & Kits
The PAI EM52530 is a four-port relay valve identified as an Excel Sealco 110415 component. Relay valves are heavy duty diesel truck parts that use a control signal to route compressed air through a vehicle air-brake system, allowing brake circuits to respond from a nearby air supply. Its configuration includes one 3/8-inch control port, one 3/4-inch supply port, and four 3/8-inch delivery ports, details that distinguish the valve's connection layout. The OEM reference is Sealco Air Controls 110415, with Freightliner SLC110415 and E-SL110415 as additional cross-references.
Control Valve Supply Port (1) 3/4-14 NPT Control Port (1) 3/8-18 NPT Delivery Port (4) 3/8-18 NPT
Part number: LRV-5253
OE MFG: SEALCO AIR CONTROLS, INC.
OEM Reference: 110415
Cross Reference: MACK : 7546-110415; OTHER : 110415
Product Class: Air Valves & Kits
The PAI LRV-5253 is a Sealco control valve supply port identified by the 110415 reference. Its supplied configuration includes one 3/4-14 NPT control port, one 3/8-18 NPT delivery port, and four additional 3/8-18 NPT ports, details that help distinguish this valve connection arrangement among heavy duty diesel truck parts. Control valve supply ports route compressed air into a valve and its connected circuits, supporting controlled air delivery within a vehicle air system. SEALCO AIR CONTROLS, INC. lists 110415 as the OEM reference, with MACK 7546-110415 as a selected cross-reference.