SW030Q3162 Electromagnetic Starter Relay Solenoid Switch for Construction Machinery

SW030Q3162 Electromagnetic Starter Relay Solenoid Switch

The SW030Q3162 Electromagnetic Starter Relay (OEM No. WQ190522104) is a heavy-duty solenoid switch designed for the starting circuits of construction machinery and commercial vehicles. It delivers reliable high-current switching performance to engage the starter motor under demanding operating conditions.

Key Features

• Heavy-Duty Solenoid Design: Robust electromagnetic coil construction ensures fast, consistent actuation for reliable engine starting every time
• Chrome-Plated Steel Housing: Corrosion-resistant chrome body protects internal components from moisture, dust, and vibration in harsh job-site environments
• Multi-Terminal Connection Block: Black plastic terminal block with multiple screw-type terminals and rubber insulating boots for safe, secure wiring connections
• Dual Mounting Brackets: Integrated steel mounting brackets with oval slots allow flexible positioning and secure bolt-on installation
• OEM Part Number: Stamped part number WQ190522104 / SW030Q3162 for accurate identification and direct OEM replacement
• High Current Capacity: Rated for the high inrush current demands of heavy-duty starter motor circuits

Specifications

• Part Number: SW030Q3162
• OEM Reference: WQ190522104
• Type: Electromagnetic Starter Relay / Solenoid Switch
• Housing Material: Chrome-plated steel
• Terminal Type: Screw-type with rubber insulating boots
• Mounting: Dual bracket with oval mounting slots
• Application: Construction machinery, road rollers, compactors, pavers, milling machines, commercial vehicles

Compatible Machine Models

Road Rollers:
XH365, XS225HSIV, XS205S, XS203H, XD123, XS225H, XS265, XS225S, CV123U, XS185, XP203, XS113, CV83U, XD123S, XP305KHSIV, XS205JIV, XS143, XS205IV, XP305SIV, XS223, XS125PD, XS83PD, XP305S, XS265S, XP203IV, XD103, XP305HSIV, XP265S, XP265IV, XS123PDBR, XP263, XS223JE, XD105TVO, XS263JS, XD135TOSIV, CV123PDU, XS103H, 3Y223J, CV163PDU, XS225HS, CV83PDU, XS123PDBRII, XD105T, XP245HS, XS203, XP265KSIV, XH263J, XP305KSIV, XP305IV, XD135TCIV, XS203S, XP303S, XP305KS, XS263J, XP263S, CV163U, XP303K, XS265HS, XS263S, XS265SIV, XD105TVT, XS203J, XD105TIV, XS163H, XD133CIV, XP203S, XS183J, 3Y183J, XD143S, XP163S, XD133S, XS183, XH233J, CV123U, XS145, XD105TCIV, XH335, XH283J, XS265JSIV, XP103, XS223H, XD83, XS225SIV, XS115PDG, XS185IV, XS133, XP165S, 3Y263J, XS203J, 2Y103, XS125, XS115H, XP265KIV, XS265IV, XP165U, XS223JS, XD103C, XP163, XP263KS, XS113E, XD133VO, XS165JIV, XP305HEV, XS143, XS163, XP265KS, XD83VT, XS225IV, XS225JS, XD143, XS163 (High Drive), XS135T, XS395, XS265HSIV, XS265HEV, XP303KS, XD113LA, XS223J, XP263K, XS265JS, XD133D, XH235L, XS223S, XD133C, XS123, CV83PDU, XP303, XS183H, 3Y153J, XS335, XS225, XS165, XS185JIV, XS205SPD, XS123H, XS143H, XS205, XP305KIV, XS225JSIV, XS335IV, XS263H, XS183S, XS145JIV, XS365IV, XD133, XD105TCVTIV, XS83, XS225JIV, XS165PD, XS185S, XD135T, XS183J, XS265H, XD135TVOIV, 3Y263JIV, XS365M, XS115, XD135TIV, XD103VT, XS185SPD, XS123PD, XD125TCIV, XS135, XP265SIV, XS263, XS163J

Pavers:
RP455W, RP1255IV, RP1255T, RP955TIV, RP1005HDIV, RP605, RP1655TIV, RP1355T, RP355i, RP905HIV, RP905HDIV, RP355I, RP905, RP805S, RP1005TIV, RP805IV, RP905S, SP605, RP1255TIV, RP705IV, RP905TIV, RP1855HDIV, RP1355TIV, RP355IV, RP355, RP1355HD, RP705, RP505IV, RP455LIV, RP505, RP1355HDIV, RP905i, RP1855TIV, RP705C, RP2205HDIV, RP905IV, RP905HEV

Cold Recyclers:
XLZ2305K, XLZ2305S, XLZ2305C, XLZ2303SIV

Milling Machines:
XM1005F, XM1005TW, XM503KL, XM1305KIV, XM1505FIV, XM1005KIV, XM503KII, XM1005FIV, XM505K, XM503K, XM2005HEV, XM1005K, XM2005IV, XM2005KIII, XM405IV, XM505KIII, XM1003K, XCY-1000LY(A), XM505IV, XM1303K, XM405S, XM1003, XM1005H, XM503II, XM405SIV, XM1505F, XM1305K, XM2005KV, XM1005HIV, XM1205FIV, XM505KIV, XM405, XM505

Transfer Machines:
AT1005

Installation Notes

Disconnect the battery before installation. Connect terminals according to the machine wiring diagram. Ensure all terminal bolts are tightened securely to prevent arcing. Verify correct voltage rating before powering on.