2018 Hyundai Sonata Electrical Parts

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator. Read more

21 Alternator / Generator parts are listed for the 2018 Hyundai Sonata, from BOSCH, TERREPOWER, SKP and 8 other brands. HL MANDO 11A1672 carries the "Popular" badge.

In the New grade, SKP, BOSCH, TYC and 5 other brands supply 11 parts: brand-new units rather than rebuilt ones. A representative part number is HL MANDO 11A1672.

In the Remanufactured grade, PURE ENERGY, BOSCH, FVP and 3 other brands supply 10 parts: factory-rebuilt units with new wear components. A representative part number is PURE ENERGY 10275.

This table covers the pulleys on the alternator shaft. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

2 Alternator / Generator Pulley parts for the 2018 Hyundai Sonata come from 2 brands — CONTINENTAL and LITENS.

This group includes CONTINENTAL 49969 and LITENS 920057A.

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery. Read more

7 Battery parts for the 2018 Hyundai Sonata come from 6 brands — ACDELCO, DEKA, LUCAS and 3 other brands. The "Popular" part is DEKA 9A48.

Listed part numbers: DEKA 9A48, LUCAS LBAGM004A and ACDELCO 48AGM, plus the other parts above.

This table covers the terminals and clamps that connect cables to the battery posts. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS BP105P.

This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse. Read more

7 Fuse parts for the 2018 Hyundai Sonata come from BUSSMANN. The "Popular" part is BUSSMANN ATM20LP. Every part fits all 4 engine options (1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged and 2.4L L4).

In the 10 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM10LP.

The 15 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM15LP is listed in this group.

The 20 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM20LP is listed in this group.

In the 25 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM25LP.

In the 30 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM30LP.

The 40 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMX40LP is listed in this group.

The 7.5 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM712LP is listed in this group.

This group includes BUSSMANN ATM20LP, BUSSMANN ATM10LP and BUSSMANN ATM15LP and the remaining parts above.

This table covers the key fobs that lock, unlock and start the vehicle. Read more

HYUNDAI supplies both parts for the 2018 Hyundai Sonata.

Listed part numbers: HYUNDAI 95430C1210 and HYUNDAI 95440C1500NNA.

This table covers the ultrasonic park-aid sensors in the bumper. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

One part is listed for the 2018 Hyundai Sonata — STANDARD MOTOR PRODUCTS PPS243.

This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor. Read more

7 Speed Sensor parts for the 2018 Hyundai Sonata come from 3 brands — STANDARD MOTOR PRODUCTS, WELLS and DELPHI.

Part numbers include DELPHI SS12405, STANDARD MOTOR PRODUCTS SC818 and STANDARD MOTOR PRODUCTS SC814, among others listed above.

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

21 Starter Motor parts are listed for the 2018 Hyundai Sonata, from WAI GLOBAL, HL MANDO, TYC and 7 other brands. HL MANDO 12A1546 carries the "Popular" badge.

New: 9 parts, from HL MANDO, WAI GLOBAL, TYC and 1 other brand. A representative part number is HL MANDO 12A1546.

Remanufactured: 12 parts, from PURE ENERGY, FVP, REMY and 5 other brands. A representative part number is PURE ENERGY 17053.