2023 Mazda 3 Electrical Switch & Relay Parts

This table covers the relays that control the A/C Compressor 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

3 A/C Compressor Relay parts are listed for the 2023 Mazda 3, from STANDARD MOTOR PRODUCTS and HOLSTEIN.

Part numbers include HOLSTEIN 2RSW0006, STANDARD MOTOR PRODUCTS RY805T and STANDARD MOTOR PRODUCTS RY805.

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

One part is listed for the 2023 Mazda 3 — UAC SW11649C.

This table covers the relays that control the A/C System 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

UAC supplies both parts for the 2023 Mazda 3.

Listed part numbers: UAC RE8415 and UAC RE8414.

This table covers the relays that control the Body Wiring Harness 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 2023 Mazda 3.

This group includes STANDARD MOTOR PRODUCTS RY805T and STANDARD MOTOR PRODUCTS RY805.

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

3 Brake Light Switch parts are listed for the 2023 Mazda 3, from DORMAN, BECK/ARNLEY and HELLA.

In the Economy grade, DORMAN supplies 1 part: the catalog's value-priced group. A representative part number is DORMAN 920493.

The Standard Replacement section lists 1 option from BECK/ARNLEY — built to original-equipment specification. BECK/ARNLEY 2012742 is listed in this group.

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

This group includes DORMAN 920493, BECK/ARNLEY 2012742 and HELLA 010966711.

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

3 Fog / Driving Lamp Relay parts are listed for the 2023 Mazda 3, from STANDARD MOTOR PRODUCTS and HOLSTEIN.

Listed part numbers: HOLSTEIN 2RSW0006, STANDARD MOTOR PRODUCTS RY805T and STANDARD MOTOR PRODUCTS RY805.

This table covers the relays that control the Fuel Pump / Circuit Opening 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 2023 Mazda 3 — STANDARD MOTOR PRODUCTS RY1963.

This table covers the relays that control the Horn 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

4 Horn Relay parts for the 2023 Mazda 3 come from 3 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN and WELLS.

This group includes HOLSTEIN 2RSW0006, STANDARD MOTOR PRODUCTS RY805T and STANDARD MOTOR PRODUCTS RY805 and the remaining parts above.

This table covers the relays that control the Ignition 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 RY1963.

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

One part is listed for the 2023 Mazda 3 — WELLS 1S16076.

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

2 Radiator Fan Relay parts for the 2023 Mazda 3 come from STANDARD MOTOR PRODUCTS.

Part numbers include STANDARD MOTOR PRODUCTS RY805T and STANDARD MOTOR PRODUCTS RY805.

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

3 Starter Motor Control Relay parts for the 2023 Mazda 3 come from 2 brands — STANDARD MOTOR PRODUCTS and HOLSTEIN.

This group includes HOLSTEIN 2RSW0006, STANDARD MOTOR PRODUCTS RY805T and STANDARD MOTOR PRODUCTS RY805.