2019 Acura RLX 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

10 Alternator / Generator parts for the 2019 Acura RLX come from 7 brands — REMY, TERREPOWER, DENSO and 4 other brands. The "Popular" part is WAI GLOBAL 11774N.

The New section lists 3 options from WAI GLOBAL, REMY and TERREPOWER — brand-new units rather than rebuilt ones. WAI GLOBAL 11774N is listed in this group.

The Remanufactured section lists 6 options from DENSO, ACDELCO, FVP and 3 other brands — factory-rebuilt units with new wear components. DENSO 2101243 is listed in this group.

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

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

4 Alternator / Generator Pulley parts are listed for the 2019 Acura RLX, from ACKOJA, BANDO, CONTINENTAL and 1 other brand.

This group includes ACKOJA A26230001, BANDO 480053 and CONTINENTAL 49936 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

6 Battery parts are listed for the 2019 Acura RLX, from DEKA, EXIDE, FULLRIVER and 1 other brand. DEKA 9A3585 carries the "Popular" badge. All of them fit every engine offered in the 2019 RLX.

Part numbers include DEKA 9A3585, DEKA 9A34R and DEKA 9A24F, among others listed 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

2 Battery Current Sensor parts for the 2019 Acura RLX come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS. 1 part fits every engine; the other 1 is engine-specific.

Listed part numbers: STANDARD MOTOR PRODUCTS BSC106 and WELLS 5S16658.

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

One part is listed for the 2019 Acura RLX — BUSSMANN AMI150.

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

FIAMM supplies the 13 Horn parts for the 2019 Acura RLX. FIAMM 7210223 carries the "Popular" badge. All of them fit every engine offered in the 2019 RLX.

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 6 options from FIAMM — built to original-equipment specification. FIAMM 7201223 is listed in this group.

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

6 Speed Sensor parts are listed for the 2019 Acura RLX, from DELPHI, STANDARD MOTOR PRODUCTS, HOLSTEIN and 1 other brand.

In the Economy grade, HOLSTEIN supplies 1 part: the catalog's value-priced group. A representative part number is HOLSTEIN 2VSS0104.

The Standard Replacement section: 3 options from DELPHI, STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. DELPHI SS12411 is listed in this group.

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

Listed part numbers: HOLSTEIN 2VSS0104, DELPHI SS12411 and STANDARD MOTOR PRODUCTS SC770, 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

8 Starter Motor parts for the 2019 Acura RLX come from 4 brands — FVP, PURE ENERGY, REMY and 1 other brand.

Listed part numbers: FVP 19147 and FVP 19169, plus the other parts above.