The 2021 Honda Odyssey has 46 electrical switch & relay parts with verified fitment on this page — 16 part types and 12 brands, covering the 3.5L V6 engine. Each part includes a manufacturer part number and application notes.
The switch and relay system on the 2021 Honda Odyssey covers the switches, relays and flashers that route power to everything the driver touches. The largest groups are Brake Light Switch (6 parts), Oil Pressure Sender / Switch (6 parts) and Door Lock Switch (5 parts). The other 13 part types cover the remaining 29 parts.
The 2021 Honda Odyssey came with a single engine, the 3.5L V6, and every part is verified against it.
12 brands supply electrical switch & relay parts for the 2021 Honda Odyssey, led by WELLS (13 parts), STANDARD MOTOR PRODUCTS (12 parts) and HOLSTEIN (5 parts), plus 9 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Honda Odyssey. 6 parts have it, including STANDARD MOTOR PRODUCTS SLS588 (Brake Light Switch) and STANDARD MOTOR PRODUCTS DWS2070 (Door Lock Switch). Each part number opens a page with every vehicle that part fits.
A/C Pressure Safety Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V26730082 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
This group shows a single part: VEMO V26730082.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 37312 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Switch | View on Amazon |
| UAC | SW9970C | 🇺🇸 US 🇨🇦 CA | Pressure Transducer | View on Amazon |
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.
2 A/C Refrigerant Pressure Switch parts are listed for the 2021 Honda Odyssey, from FOUR SEASONS and UAC.
This group includes FOUR SEASONS 37312 and UAC SW9970C.
Accessory Power Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2RSW0025 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | RY1052T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY721 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
3 Accessory Power Relay parts for the 2021 Honda Odyssey come from 2 brands — STANDARD MOTOR PRODUCTS and HOLSTEIN.
Part numbers include HOLSTEIN 2RSW0025, STANDARD MOTOR PRODUCTS RY1052T and STANDARD MOTOR PRODUCTS RY721.
Blower Motor Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2RSW0025 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | RY1052T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY721 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
3 Blower Motor Relay parts are listed for the 2021 Honda Odyssey, from STANDARD MOTOR PRODUCTS and HOLSTEIN.
This group includes HOLSTEIN 2RSW0025, STANDARD MOTOR PRODUCTS RY1052T and STANDARD MOTOR PRODUCTS RY721.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 920469 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HOLSTEIN | 2BLS0028 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | SLS588 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS Popular | 1S12683 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| BECK/ARNLEY | 2012754 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ROSTRA | 620096 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
6 Brake Light Switch parts are listed for the 2021 Honda Odyssey, from DORMAN, HOLSTEIN, STANDARD MOTOR PRODUCTS and 3 other brands. STANDARD MOTOR PRODUCTS SLS588 carries the "Popular" badge.
In the Economy grade, DORMAN and HOLSTEIN supply 2 parts: the catalog's value-priced group. A representative part number is DORMAN 920469.
The Standard Replacement section lists 4 options from STANDARD MOTOR PRODUCTS, WELLS, BECK/ARNLEY and 1 other brand — built to original-equipment specification. STANDARD MOTOR PRODUCTS SLS588 is listed in this group.
Part numbers include STANDARD MOTOR PRODUCTS SLS588, DORMAN 920469 and HOLSTEIN 2BLS0028, among others listed above.
Defroster Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2RSW0025 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | RY1052T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY721 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
3 Defroster Relay parts are listed for the 2021 Honda Odyssey, from STANDARD MOTOR PRODUCTS and HOLSTEIN.
Listed part numbers: HOLSTEIN 2RSW0025, STANDARD MOTOR PRODUCTS RY1052T and STANDARD MOTOR PRODUCTS RY721.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S14312 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | EX Model or EX-L Model or Elite or Touring | View on Amazon |
This table covers the dimmer switches that select headlamp high and low beam. 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.
This group shows a single part: WELLS 1S14312.
Door Lock Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | DWS2070 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| WELLS | 1S17046 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightEX-L Model or LX Model or Touring | View on Amazon |
| WELLS | 1S15589 | 🇺🇸 US 🇨🇦 CA | Front RightEX Model | View on Amazon |
| WELLS | 1S15590 | 🇺🇸 US | Front RightElite | View on Amazon |
| WELLS | 1S17275 | 🇺🇸 US 🇨🇦 CA | Front LeftEX Model | View on Amazon |
This table covers the Door Lock 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.
5 Door Lock Switch parts are listed for the 2021 Honda Odyssey, from WELLS and STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS DWS2070 carries the "Popular" badge.
This group includes STANDARD MOTOR PRODUCTS DWS2070, WELLS 1S17046 and WELLS 1S15589 and the remaining parts above.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S15398 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Push Button Switch | View on Amazon |
This table covers the ignition switches that feed the starter 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.
This group shows a single part: WELLS 1S15398.
Micro Plug Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | RY465T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | T-Series | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY465 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2021 Honda Odyssey.
This group includes STANDARD MOTOR PRODUCTS RY465T and STANDARD MOTOR PRODUCTS RY465.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2OPS0010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS | 2561021 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Location: Oil Pump | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular | 2012716 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with LightLocation - Oil Pump | View on Amazon |
| ROSTRA Popular | 501216 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Located on Cylinder Head | View on Amazon |
| GPD | 1815245 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Located on Oil Pump Housing | View on Amazon |
| WELLS | 1S9564 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
6 Oil Pressure Sender / Switch parts are listed for the 2021 Honda Odyssey, from HOLSTEIN, WALKER PRODUCTS, BECK/ARNLEY and 3 other brands. BECK/ARNLEY 2012716 carries the "Popular" badge.
Economy: 2 parts, from HOLSTEIN and WALKER PRODUCTS. A representative part number is HOLSTEIN 2OPS0010.
The Standard Replacement section: 4 options from BECK/ARNLEY, ROSTRA, GPD and 1 other brand. BECK/ARNLEY 2012716 is listed in this group.
Listed part numbers: BECK/ARNLEY 2012716, HOLSTEIN 2OPS0010 and WALKER PRODUCTS 2561021, plus the other parts above.
Outside Mirror Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V26730070 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Electric | View on Amazon |
This table covers the Outside Mirror 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.
This group shows a single part: VEMO V26730070.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | DWS2070 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| WELLS | 1S15602 | 🇺🇸 US | RearElite | View on Amazon |
| WELLS | 1S17046 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightEX-L Model or LX Model or Touring | View on Amazon |
| WELLS | 1S15589 | 🇺🇸 US 🇨🇦 CA | Front RightEX Model | View on Amazon |
| WELLS | 1S15590 | 🇺🇸 US | Front RightElite | View on Amazon |
This table covers the switches that command each window motor. 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.
5 Power Window Switch parts are listed for the 2021 Honda Odyssey, from WELLS and STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS DWS2070 carries the "Popular" badge.
Listed part numbers: STANDARD MOTOR PRODUCTS DWS2070, WELLS 1S15602 and WELLS 1S17046, plus the other parts above.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V26800005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | EX Model or EX-L Model or Touring | View on Amazon |
This table covers the combination / turn-signal 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.
One part is listed for the 2021 Honda Odyssey — VEMO V26800005.
Variable Valve Timing (VVT) Oil Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA | HA1316015 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Location: Cylinder Head | View on Amazon |
| AUTOTECNICA | HA1319047 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Requires (1) 91319-PAA-A01 Seal Ring | View on Amazon |
| DORMAN | 926702 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with California Emissions | View on Amazon |
| DORMAN | 918853 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Green Switch | View on Amazon |
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.
4 Variable Valve Timing (VVT) Oil Pressure Switch parts for the 2021 Honda Odyssey come from 2 brands — AUTOTECNICA and DORMAN.
Part numbers include AUTOTECNICA HA1316015, AUTOTECNICA HA1319047 and DORMAN 926702, among others listed above.
Wiper / Washer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | WP597 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Speed Sensitive Intermittent Wipers | View on Amazon |
| WELLS | 1S14832 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | EX Model or EX-L Model or Touring | View on Amazon |
This table covers the Wiper / Washer 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.
2 Wiper / Washer Switch parts for the 2021 Honda Odyssey come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
This group includes STANDARD MOTOR PRODUCTS WP597 and WELLS 1S14832.
Buying Electrical Switch & Relay Parts for a 2021 Honda Odyssey
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Confirm you have the 3.5L V6 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Brake Light Switch and Oil Pressure Sender / Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2021 Honda Odyssey?
Our catalog currently lists 46 electrical switch & relay parts for the 2021 Honda Odyssey across 16 subcategories and 12 brands, covering the 3.5L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2021 Honda Odyssey?
Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 Honda Odyssey was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 Honda Odyssey?
Every part on this page is matched to the 3.5L V6 engine. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Honda Odyssey
Electrical Switch & Relay Parts for Other Honda Odyssey Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.