2020 Acura TLX 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

14 Alternator / Generator parts for the 2020 Acura TLX come from 9 brands — TYC, WAI GLOBAL, DENSO and 6 other brands. The "Popular" part is TYC 211670.

The New section lists 4 options from TYC and WAI GLOBAL — brand-new units rather than rebuilt ones. TYC 211670 is listed in this group.

The Remanufactured section lists 10 options from DENSO, BOSCH, PURE ENERGY and 4 other brands — factory-rebuilt units with new wear components. ACDELCO 3343085 is listed in this group.

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

7 Alternator / Generator Pulley parts are listed for the 2020 Acura TLX, from ACKOJA, CONTINENTAL, LITENS and 1 other brand.

This group includes ACKOJA A26230003, ACKOJA A26230001 and BANDO 480053 and the remaining 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

15 Battery parts are listed for the 2020 Acura TLX, from DEKA, ACDELCO, FVP and 4 other brands. DEKA 9A3585 carries the "Popular" badge.

The AGM (Extended Life) section lists 13 options from DEKA, ACDELCO, FVP and 3 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A3585 is listed in this group.

The Performance AGM (Extended Life + Increased Power) section lists 2 options from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT75035 is listed in this group.

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

2 Battery Current Sensor parts for the 2020 Acura TLX come from 2 brands — HELLA and STANDARD MOTOR PRODUCTS.

This group includes HELLA 010547781 and STANDARD MOTOR PRODUCTS BSC149.

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

FIAMM supplies the 7 Horn parts for the 2020 Acura TLX. FIAMM 72112 carries the "Popular" badge. 6 parts fit every engine; the other 1 is engine-specific.

In the Accessory Replacement grade, FIAMM supplies 5 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 72112.

The Standard Replacement section lists 2 options from FIAMM — built to original-equipment specification. FIAMM 7421122 is listed in this group.

This group includes FIAMM 72112, FIAMM 7410024 and FIAMM 6602023 and the remaining parts above.

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

This group shows a single part: STANDARD MOTOR PRODUCTS PPS312.

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 2020 Acura TLX, from STANDARD MOTOR PRODUCTS, WELLS, BECK/ARNLEY and 2 other brands. DELPHI SS12404 carries the "Popular" badge.

In the Economy grade, BECK/ARNLEY supplies 1 part: the catalog's value-priced group. A representative part number is BECK/ARNLEY 0900019.

The Standard Replacement section: 4 options from STANDARD MOTOR PRODUCTS, DELPHI and WALKER PRODUCTS. DELPHI SS12404 is listed in this group.

2 ungrouped parts are not assigned to a grade, with the same engine-level match.

Part numbers include DELPHI SS12404, BECK/ARNLEY 0900019 and STANDARD MOTOR PRODUCTS SC677, 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

10 Starter Motor parts for the 2020 Acura TLX come from 5 brands — WAI GLOBAL, PURE ENERGY, FVP and 2 other brands. The "Popular" part is PURE ENERGY 19591.

The New section: 2 options from WAI GLOBAL. WAI GLOBAL 30688N is listed in this group.

The Remanufactured section: 8 options from PURE ENERGY, FVP, REMY and 1 other brand. PURE ENERGY 19591 is listed in this group.