2021 Acura TLX Electrical Switch & Relay Parts

This table covers the A/C Pressure Safety switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

This group shows a single part: VEMO V26730082.

This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

3 A/C Refrigerant Pressure Switch parts are listed for the 2021 Acura TLX, from FOUR SEASONS, UAC and WELLS. All of them fit every engine offered in the 2021 TLX.

This group includes FOUR SEASONS 37312, UAC SW9970C and WELLS 5S15926.

This table covers the relays that control the Accessory Power circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS RY716.

This table covers the relays that control the Blower Motor circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2021 Acura TLX — DENSO 5670003.

This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

6 Brake Light Switch parts are listed for the 2021 Acura TLX, from WELLS, HOLSTEIN, STANDARD MOTOR PRODUCTS and 1 other brand. STANDARD MOTOR PRODUCTS SLS589 carries the "Popular" badge. 2 parts fit every engine; the other 4 are engine-specific.

In the Economy grade, HOLSTEIN supplies 1 part: the catalog's value-priced group. A representative part number is HOLSTEIN 2BLS0030.

The Standard Replacement section lists 4 options from WELLS, STANDARD MOTOR PRODUCTS and BECK/ARNLEY — built to original-equipment specification. STANDARD MOTOR PRODUCTS SLS589 is listed in this group.

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

Part numbers include STANDARD MOTOR PRODUCTS SLS589, HOLSTEIN 2BLS0030 and BECK/ARNLEY 2012753, among others listed above.

This table covers the relays that control the Daytime Running Light circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2021 Acura TLX — DENSO 5670003.

This table covers the relays that control the Defroster circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2021 Acura TLX — DENSO 5670003.

This table covers the relays that control the Engine Control Module circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: DENSO 5670003.

This table covers the relays that control the Fog / Driving Lamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2021 Acura TLX — DENSO 5670003.

This table covers the relays that control the Headlamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2021 Acura TLX — DENSO 5670003.

This table covers the relays that control the Micro Plug circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

STANDARD MOTOR PRODUCTS supplies both parts for the 2021 Acura TLX. All of them fit every engine offered in the 2021 TLX.

Listed part numbers: STANDARD MOTOR PRODUCTS RY465T and STANDARD MOTOR PRODUCTS RY465.

This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch. Read more

13 Oil Pressure Sender / Switch parts are listed for the 2021 Acura TLX, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, BECK/ARNLEY and 6 other brands. BECK/ARNLEY 2011649 carries the "Popular" badge. 1 part fits every engine; the other 12 are engine-specific.

Economy: 5 parts, from WALKER PRODUCTS, HOLSTEIN, STANDARD MOTOR PRODUCTS and 1 other brand. A representative part number is HOLSTEIN 2OPS0029.

The Standard Replacement section: 8 options from BECK/ARNLEY, WELLS, HELLA and 3 other brands. BECK/ARNLEY 2011649 is listed in this group.

This table covers the relays that control the Power Steering circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2021 Acura TLX — DENSO 5670003.

This table covers the relays that control the Radiator Fan circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: DENSO 5670003.

This table covers the relays that control the Starter Motor Control circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: DENSO 5670003.

This table covers the relays that control the Starter Motor Cutoff circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS RY716.

This table covers the relays that control the Turn Signal circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: DENSO 5670003.

This table covers the Variable Valve Timing (VVT) Oil Pressure switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

3 Variable Valve Timing (VVT) Oil Pressure Switch parts for the 2021 Acura TLX come from 2 brands — AUTOTECNICA and BECK/ARNLEY.

The Economy section: 1 option from AUTOTECNICA. AUTOTECNICA HA1319047 is listed in this group.

Standard Replacement: 1 part, from BECK/ARNLEY. A representative part number is BECK/ARNLEY 2012716.

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

This group includes AUTOTECNICA HA1319047 and BECK/ARNLEY 2012716 and the remaining parts above.