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Home Aircraft Servicing Equipment Parts Air Start Unit (ASU) Parts

Electrical System

Sage Parts delivers premium electrical components engineered specifically for Air Start Unit applications, including starters, alternators, batteries, and complete wiring systems that meet or exceed OEM specifications. Our extensive inventory supports all major ASU manufacturers with parts designed for reliability in demanding airport environments. With industry-leading expertise in both legacy and current models, we provide electrical system solutions that enhance performance while reducing total cost of ownership. Trust Sage Parts for immediate availability, technical support, and quality-assured components that keep your critical ASU operations running efficiently. 

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  • SWITCH, FORWARD / REVERSE-7103902

    SWITCH, FORWARD / REVERSE-7103902

    SKU: SPP00242657

    The Forward/Reverse Switch for Guinault GB45/20V11, GB45/20V2, GC20V1, TS200V1, and Taylor-Dunn B0-254-48 is a vital component designed to enhance the operational efficiency of your ground support equipment. This switch facilitates seamless directional...

  • SWITCH, PRESSURE SPDT-SM2C34FBT

    SWITCH, PRESSURE SPDT-SM2C34FBT

    SKU: SPP00305742

    The Pressure Switch SPDT for TUG TR/TMD-150/180/250 Models is an essential component designed to enhance the operational efficiency and reliability of your ground support equipment. This high-quality pressure switch is engineered specifically for...

  • RESISTOR, 120 OHM-1033478

    RESISTOR, 120 OHM-1033478

    SKU: SPP00398978

    The 120 Ohm Resistor is an essential component designed specifically for compatibility with a range of TLD Ground Support Equipment (GSE) models, including the ACE-ASU-600-400, ACU-802, and GPU-4090, among others. This high-quality resistor ensures...

  • HOLDER, IN LINE FUSE W/CAP-FHAC1

    HOLDER, IN LINE FUSE W/CAP-FHAC1

    SKU: SPP00192435

    The In-Line Fuse Holder with Cap is a critical component designed specifically for TUG models 660-28, 660-38, 660-44, 663-44, GT-110, MH, and the TR/TMD Series. This product ensures reliable and efficient electrical connections, safeguarding your ground...

  • SOCKET, 8 PIN RELAY 10 AMP 300 VOLT-SR2P06

    SOCKET, 8 PIN RELAY 10 AMP 300 VOLT-SR2P06

    SKU: SPP00192456

    The 8 Pin Relay Socket is a high-performance electrical component designed to meet the rigorous demands of the aviation ground support equipment (GSE) industry. With a robust capacity of 10 Amps and a voltage rating of 300 Volts, this relay socket...

  • FUSE, ATO 20-72186IMP

    FUSE, ATO 20-72186IMP

    SKU: SPP00178648

    The Fuse ATO 20 is an essential component designed specifically for use with TLD, TUG, and Global Ground Equipment models, ensuring optimal performance and reliability in your aviation ground support operations. This high-quality fuse is compatible with...

  • FUSE, AGC 20 AMP-AGC20

    FUSE, AGC 20 AMP-AGC20

    SKU: SPP00162827

    The AGC 20 AMP Fuse is engineered for optimal performance and reliability, specifically designed to meet the demands of various Aviation Ground Support Equipment (GSE) models, including Charlatte, Hobart, Stewart & Stevenson, Trilectron, and Tug. This...

  • SWITCH, PRESSURE 10PSI-23520024SWITCH

    SWITCH, PRESSURE 10PSI-23520024SWITCH

    SKU: SPP00049721

    This precision-engineered 10 PSI pressure switch delivers reliable pressure monitoring and control across multiple GSE applications, including Stewart + Stevenson and TUG air start units and TRANSACT cargo loaders. Built to meet rigorous aviation...

  • SWITCH, PRESSURE FUEL 20 PSI-8923911

    SWITCH, PRESSURE FUEL 20 PSI-8923911

    SKU: SPP00049722

    This professional-grade 20 PSI Fuel Pressure Switch delivers reliable pressure monitoring and control for critical ground support equipment operations. Engineered to meet precise specifications, this component ensures consistent fuel system performance...

  • OBSOLETE - RELAY, SPDT-5194251AFT

    OBSOLETE - RELAY, SPDT-5194251AFT

    SKU: SPP00048429

    Looking for a reliable SPDT power relay for your TUG ground support equipment? This genuine replacement relay delivers consistent performance across multiple TUG applications, including the GT-35 pushback tractor and TMD/TR series air start units...

  • RELAY, 3PDT-5194263

    RELAY, 3PDT-5194263

    SKU: SPP00048431

    This industrial-grade 3PDT (Three-Pole Double-Throw) Relay serves as a critical control component for multiple premium GSE units, including the TLD 828 High Loader, TLD PSC 2500 Air Start Unit (ASU), and Trilectron Heater systems. Engineered to meet...

  • SWITCH, TEMPERATURE-23679SWITCH

    SWITCH, TEMPERATURE-23679SWITCH

    SKU: SPP00031370

    OEM-quality temperature switch engineered for precise thermal monitoring in Ground Support Equipment applications, specifically designed for Trilectron air start units (ASUs), ground power units (GPUs), and Spencer Industries heater systems. This robust...

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