2017 Toyota Highlander 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

19 Alternator / Generator parts for the 2017 Toyota Highlander come from 8 brands — BOSCH, DENSO, TYC and 5 other brands. The "Popular" part is TYC 221248.

The New section lists 4 options from TYC, WAI GLOBAL and BOSCH — brand-new units rather than rebuilt ones. TYC 221248 is listed in this group.

The Remanufactured section lists 13 options from DENSO, BOSCH, FVP and 3 other brands — factory-rebuilt units with new wear components. DENSO 2100807 is listed in this group.

2 further parts sit outside the graded sections, with the same engine-level match.

This table covers the rectifier diode packs in the alternator. Read more

This group shows a single part: BOSCH 1986AE0621.

This table covers the bearings in the alternator housing. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

One part is listed for the 2017 Toyota Highlander — BOSCH 1986AE0628.

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

6 Alternator / Generator Pulley parts are listed for the 2017 Toyota Highlander, from CONTINENTAL, LITENS, ACKOJA and 1 other brand.

Listed part numbers: ACKOJA A70230007, CONTINENTAL 49931 and CONTINENTAL 49972, plus the other parts above.

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

8 Battery parts are listed for the 2017 Toyota Highlander, from DEKA, BOSCH, EXIDE and 3 other brands. DEKA 9A3585 carries the "Popular" badge. 2 parts fit every engine; the other 6 are engine-specific.

This group includes DEKA 9A3585, DEKA 9A34R and BOSCH S6523B and the remaining parts above.

This table covers the Battery Current sensors. 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

This group shows a single part: WELLS 5S16903.

This table covers the clamps and brackets that secure the battery. Read more

2 Battery Hold Down parts for the 2017 Toyota Highlander come from 2 brands — SKP and VARIOUS MFR. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).

Listed part numbers: SKP SK74404 and VARIOUS MFR TO2996100.

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

5 Battery Terminal parts are listed for the 2017 Toyota Highlander, from BECK/ARNLEY, STANDARD MOTOR PRODUCTS, AUTOTECNICA and 1 other brand. STANDARD MOTOR PRODUCTS BP100P carries the "Popular" badge. 4 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: STANDARD MOTOR PRODUCTS BP100P, AUTOTECNICA TY1318200 and BECK/ARNLEY 2060001, plus the other parts above.

This table covers the Blind Spot Detection sensors. 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

3 Blind Spot Detection Sensor parts for the 2017 Toyota Highlander come from 2 brands — WELLS and STANDARD MOTOR PRODUCTS. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).

Part numbers include STANDARD MOTOR PRODUCTS BSD39, WELLS 5S16814 and WELLS 5S16818.

This table covers the Cruise Control Distance sensors. 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

3 Cruise Control Distance Sensor parts are listed for the 2017 Toyota Highlander, from DORMAN, STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2017 Highlander.

Part numbers include DORMAN 601933, STANDARD MOTOR PRODUCTS CCD10 and WELLS 5S17123.

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

LITTELFUSE supplies the 10 Fuse parts for the 2017 Toyota Highlander. LITTELFUSE MIN20 carries the "Popular" badge. All of them fit every engine offered in the 2017 Highlander.

The 10 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE LMIN10 is listed in this group.

The 120 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "120 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE PAL1120 is listed in this group.

In the 15 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE MIN15.

In the 20 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE MIN20.

The 25 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE MIN25 is listed in this group.

The 30 Amp section lists 2 options from LITTELFUSE — grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE JCAS30 is listed in this group.

In the 40 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE JCAS40.

The 50 Amp section lists 1 option from LITTELFUSE — grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. LITTELFUSE JCAS50 is listed in this group.

In the 7.5 Amp grade, LITTELFUSE supplies 1 part: grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. A representative part number is LITTELFUSE MIN75.

This table covers the horns mounted in the front of the vehicle. Read more

FIAMM supplies the 11 Horn parts for the 2017 Toyota Highlander. FIAMM 7210223 carries the "Popular" badge. All of them fit every engine offered in the 2017 Highlander.

In the Accessory Replacement grade, FIAMM supplies 7 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 7210223.

The Standard Replacement section lists 4 options from FIAMM — built to original-equipment specification. FIAMM 7250522 is listed in this group.

This table covers the Hybrid Battery Voltage sensors. 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 2017 Toyota Highlander — STANDARD MOTOR PRODUCTS BSC33.

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

4 Keyless Entry Remote parts for the 2017 Toyota Highlander come from DORMAN.

Listed part numbers: DORMAN 99683ST, DORMAN 99682ST and DORMAN 99683, plus the other parts above.

This table covers the replacement shells for the key fob. Read more

This group shows a single part: DORMAN 92068.

This table covers the Lane Departure Camera modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

3 Lane Departure Camera / Module parts for the 2017 Toyota Highlander come from 3 brands — DORMAN, STANDARD MOTOR PRODUCTS and WELLS. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).

This group includes DORMAN 601961, STANDARD MOTOR PRODUCTS LDS11 and WELLS 8A1007.

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

2 Parking Aid Sensor parts for the 2017 Toyota Highlander come from 2 brands — STANDARD MOTOR PRODUCTS and TECHPRO. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).

Part numbers include STANDARD MOTOR PRODUCTS PPS147 and TECHPRO TO1075107.

This table covers the Side Object Sensor modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

2 Side Object Sensor Module parts for the 2017 Toyota Highlander come from DORMAN. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).

Part numbers include DORMAN 601471 and DORMAN 601481.

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 are listed for the 2017 Toyota Highlander, from STANDARD MOTOR PRODUCTS, BECK/ARNLEY, HOLSTEIN and 3 other brands. AISIN RST0041 carries the "Popular" badge.

In the Economy grade, BECK/ARNLEY, HOLSTEIN and VEMO supply 3 parts: the catalog's value-priced group. A representative part number is BECK/ARNLEY 0900005.

The Standard Replacement section: 3 options from AISIN, STANDARD MOTOR PRODUCTS and DELPHI. AISIN RST0041 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Listed part numbers: AISIN RST0041, BECK/ARNLEY 0900005 and HOLSTEIN 2VSS0083, plus the other parts 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

23 Starter Motor parts for the 2017 Toyota Highlander come from 10 brands — PURE ENERGY, REMY, TERREPOWER and 7 other brands. The "Popular" part is REMY 99632.

The New section: 8 options from REMY, TERREPOWER, ULTRA-POWER and 5 other brands. REMY 99632 is listed in this group.

The Remanufactured section: 14 options from PURE ENERGY, DENSO, BOSCH and 5 other brands. DENSO 2800339 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.

This table covers the Starter solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

2 Starter Solenoid parts for the 2017 Toyota Highlander come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).

Part numbers include STANDARD MOTOR PRODUCTS SS770 and WELLS 1M1617.