Aftermarket OEM equivalent solenoid valve with dual part numbers SV98-T3003 and AT303799, specially developed for John Deere excavator hydraulic main pump, precisely regulates pump flow to restore steady digging power and eliminate hydraulic malfunctions. Interchange Part Numbers: SV98-T3003 / AT303799. Rated Voltage: 24V DC hydraulic pump control solenoid. Compatible Brand: John Deere crawler excavators matching AT303799 hydraulic system. Application: Main hydraulic pump regulator flow control assembly. Materials: High-temperature pure copper coil, hardened anti-jam precision spool, premium FKM high-pressure sealing rings. High pressure & abrasion resistance for mining, demolition, municipal heavy earthmoving construction. Perfect replacement for John Deere excavators that use AT303799 original pump solenoid valve. 1:1 OEM mounting dimension, thread and plug pin layout, plug-and-play without wiring or manifold modification. Sensitive electromagnetic response, steplessly adjust pump output flow to adapt variable excavation loads. Optimized anti-stick spool design, avoids valve core blockage caused by hydraulic oil impurities. Multi-layer composite FKM sealing thoroughly stops internal pressure leakage and external hydraulic oil seepage. IP65 waterproof, dustproof & anti-vibration housing, long service life in muddy, dusty mine and construction sites. Fix common hydraulic faults: insufficient digging force, slow boom/arm action, unstable pump pressure, machine jitter, oil leakage, stuck valve spool, equipment fault alarm codes. 1 × SV98-T3003 Hydraulic Pump Solenoid Valve (Cross AT303799) with matched O-ring seal kit.