203 Electrical switch & relay parts are listed for the 2004 Buick Lesabre, in 50 part types, covering the 3.8L V6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2004 Buick Lesabre, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. Most of the listed parts are Radiator Fan Relay (15 parts), Power Window Switch (12 parts) and A/C Compressor Relay (10 parts). The other 47 part types cover the remaining 166 parts.
Every part on this page is matched to the 3.8L V6 — the only engine offered in the 2004 Buick Lesabre.
The most listed brands for 2004 Buick Lesabre electrical switch & relay parts are WELLS (39 parts), STANDARD MOTOR PRODUCTS (37 parts) and ROSTRA (35 parts), plus 16 more brands. Quality grades include Standard Replacement and Economy.
32 parts on this 2004 Buick Lesabre page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GM GENUINE 13500114 (A/C Compressor Relay) and FOUR SEASONS 20915 (A/C Refrigerant Pressure Switch). Click any part number to see every vehicle that part fits.
A/C Compressor Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
| FOUR SEASONS | 36008 | 🇺🇸 US 🇨🇦 CA | 4 PinCompressor Clutch Relay | View on Amazon |
| GPD | 1711351 | 🇺🇸 US 🇨🇦 CA | Compressor RelayBlack 5-Way Micro | View on Amazon |
| HELLA | 933332601 | 🇺🇸 US 🇨🇦 CA | 5-pin connector | View on Amazon |
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | Control Relay | View on Amazon |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| ROSTRA | 600060 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 30 Ampere | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY1757 | 🇺🇸 US 🇨🇦 CA | Clutch Cut-Off Relay | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
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.
10 A/C Compressor Relay parts for the 2004 Buick Lesabre come from 8 brands — STANDARD MOTOR PRODUCTS, ROSTRA, GM GENUINE and 5 other brands. The "Popular" part is GM GENUINE 13500114.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Popular | 20915 | 🇺🇸 US 🇨🇦 CA | Pressure Switch | View on Amazon |
| GM GENUINE Popular | 1551343 | 🇺🇸 US 🇨🇦 CA | without Circuit | View on Amazon |
| GPD | 1711513 | 🇺🇸 US 🇨🇦 CA | Pressure Transducer | View on Amazon |
| GPD | 1711438 | 🇺🇸 US 🇨🇦 CA | High Side Refrigerant PressureThree Wire | View on Amazon |
| UAC | SW10093C | 🇺🇸 US 🇨🇦 CA | Pressure Transducer | View on Amazon |
| WELLS | 1S8929 | 🇺🇸 US 🇨🇦 CA | Clutch Cycle and Fan ControlCut-Off | 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.
6 A/C Refrigerant Pressure Switch parts for the 2004 Buick Lesabre come from 5 brands — GPD, FOUR SEASONS, GM GENUINE and 2 other brands. The "Popular" part is FOUR SEASONS 20915.
This group includes FOUR SEASONS 20915, GM GENUINE 1551343 and GPD 1711513 and the remaining parts above.
A/C System Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UAC | RE0959C | 🇺🇸 US | Custom | View on Amazon |
| UAC | RE8423C | 🇺🇸 US 🇨🇦 CA | Replaces 5 Contact Relay | View on Amazon |
| UAC | RE1014C | 🇺🇸 US 🇨🇦 CA | Fits or Limited | View on Amazon |
| ULTRA-POWER | 1R1056 | 🇺🇸 US 🇨🇦 CA | Air Conditioning Control Relay | View on Amazon |
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.
4 A/C System Relay parts for the 2004 Buick Lesabre come from 2 brands — UAC and ULTRA-POWER.
Listed part numbers: UAC RE0959C, UAC RE8423C and UAC RE1014C, plus the other parts above.
Accessory Delay Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
This table covers the relays that control the Accessory Delay 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.
One part is listed for the 2004 Buick Lesabre — GM GENUINE 13500114.
Accessory Power Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 13503102 | 🇺🇸 US 🇨🇦 CA | SPST 280 MiniGray | View on Amazon |
| HELLA Popular | 933332571 | 🇺🇸 US 🇨🇦 CA | 30 Amps4-Pin Connector | View on Amazon |
| ACDELCO | D1741C | 🇺🇸 US 🇨🇦 CA | GoldVoltage: 12 VDC | View on Amazon |
| HELLA | 933332601 | 🇺🇸 US 🇨🇦 CA | 5-pin connector | View on Amazon |
| ROSTRA | 600007 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 20 AmpereConnector Gender: Male | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY280 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4 | View on Amazon |
| WELLS | 1R1085 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 40 AConnector Gender: Male | 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.
7 Accessory Power Relay parts are listed for the 2004 Buick Lesabre, from HELLA, GM GENUINE, ACDELCO and 3 other brands. GM GENUINE 13503102 carries the "Popular" badge.
This group includes GM GENUINE 13503102, HELLA 933332571 and ACDELCO D1741C and the remaining parts above.
Active Suspension Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| ULTRA-POWER | 1R1056 | 🇺🇸 US 🇨🇦 CA | Electronic Control Suspension RelayACTIVE SUSPENSION | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
This table covers the relays that control the Active Suspension 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.
5 Active Suspension Relay parts are listed for the 2004 Buick Lesabre, from STANDARD MOTOR PRODUCTS, HOLSTEIN, ROSTRA and 2 other brands. STANDARD MOTOR PRODUCTS RY601 carries the "Popular" badge.
Listed part numbers: STANDARD MOTOR PRODUCTS RY601, HOLSTEIN 2RSW1002 and ROSTRA 600001, plus the other parts above.
Adjustable Shock / Load Leveler Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
This table covers the relays that control the Adjustable Shock / Load Leveler 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.
4 Adjustable Shock / Load Leveler Relay parts are listed for the 2004 Buick Lesabre, from HOLSTEIN, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand.
This group includes HOLSTEIN 2RSW1002, ROSTRA 600001 and STANDARD MOTOR PRODUCTS RY601 and the remaining parts above.
Anti-Theft Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | D1741C | 🇺🇸 US 🇨🇦 CA | GoldVoltage: 12 VDC | View on Amazon |
| ROSTRA | 600007 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 20 AmpereConnector Gender: Male | View on Amazon |
| WELLS | 1R1085 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 40 AConnector Gender: Male | View on Amazon |
This table covers the relays that control the Anti-Theft 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 Anti-Theft Relay parts for the 2004 Buick Lesabre come from 3 brands — ACDELCO, ROSTRA and WELLS.
This group includes ACDELCO D1741C, ROSTRA 600007 and WELLS 1R1085.
Back Up / Reverse Lamp Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
This table covers the relays that control the Back Up / Reverse 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.
One part is listed for the 2004 Buick Lesabre — GM GENUINE 13500114.
Blower Motor Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1711349 | 🇺🇸 US 🇨🇦 CA | 4 Pin Relay | View on Amazon |
| GPD | 1711350 | 🇺🇸 US 🇨🇦 CA | 4 Pin Relay No Shroud | View on Amazon |
| HELLA | 933332571 | 🇺🇸 US 🇨🇦 CA | 30 Amps4-Pin Connector | View on Amazon |
| HELLA | 933332601 | 🇺🇸 US 🇨🇦 CA | 5-pin connector | 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.
4 Blower Motor Relay parts for the 2004 Buick Lesabre come from 2 brands — GPD and HELLA.
Part numbers include GPD 1711349, GPD 1711350 and HELLA 933332571, among others listed above.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BWD/NIEHOFF | SL2024 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER | SLS292 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | SLS292 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S5139 | 🇺🇸 US 🇨🇦 CA | 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.
4 Brake Light Switch parts for the 2004 Buick Lesabre come from 4 brands — BWD/NIEHOFF, ULTRA-POWER, STANDARD MOTOR PRODUCTS and 1 other brand.
The Economy section lists 2 options from BWD/NIEHOFF and ULTRA-POWER — the catalog's value-priced group. BWD/NIEHOFF SL2024 is listed in this group.
In the Standard Replacement grade, STANDARD MOTOR PRODUCTS and WELLS supply 2 parts: built to original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS SLS292.
Part numbers include BWD/NIEHOFF SL2024 and ULTRA-POWER SLS292, among others listed above.
Daytime Running Light Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | D1780C | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| ROSTRA | 600015 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 30 AmpereConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY232 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 35 AConnector Gender: Male | View on Amazon |
| WELLS | 1R1059 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: NoVoltage: 12.0 VDC | View on Amazon |
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.
4 Daytime Running Light Relay parts for the 2004 Buick Lesabre come from 4 brands — GM GENUINE, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand.
Part numbers include GM GENUINE D1780C, ROSTRA 600015 and STANDARD MOTOR PRODUCTS RY232, among others listed above.
Defroster Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 13503102 | 🇺🇸 US 🇨🇦 CA | SPST 280 MiniGray | View on Amazon |
| ACDELCO | D1741C | 🇺🇸 US 🇨🇦 CA | GoldVoltage: 12 VDC | View on Amazon |
| ROSTRA | 600007 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 20 AmpereConnector Gender: Male | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY280 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4 | View on Amazon |
| WELLS | 1R1085 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 40 AConnector Gender: Male | 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.
5 Defroster Relay parts for the 2004 Buick Lesabre come from 5 brands — GM GENUINE, ACDELCO, ROSTRA and 2 other brands. The "Popular" part is GM GENUINE 13503102.
This group includes GM GENUINE 13503102, ACDELCO D1741C and ROSTRA 600007 and the remaining parts above.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | CBS1178 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S3154 | 🇺🇸 US 🇨🇦 CA | 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.
2 Dimmer Switch parts are listed for the 2004 Buick Lesabre, from STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS CBS1178 and WELLS 1S3154.
Dome Light Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER | 1R1056 | 🇺🇸 US 🇨🇦 CA | AT INTERIOR LIGHT | View on Amazon |
This table covers the relays that control the Dome 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.
One part is listed for the 2004 Buick Lesabre — ULTRA-POWER 1R1056.
Door Jamb Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 931946 | 🇺🇸 US 🇨🇦 CA | Fits Front Right | View on Amazon |
This table covers the Door Jamb 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 2004 Buick Lesabre — DORMAN 931946.
Door Lock Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 901111 | 🇺🇸 US 🇨🇦 CA | Fits Front Right | View on Amazon |
| VEMO | V51730073 | 🇺🇸 US 🇨🇦 CA | Plug (Connector): 5 Pins | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL | 87121 | 🇺🇸 US 🇨🇦 CA | Fits Front LeftBlack Rocker | 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.
3 Door Lock Switch parts for the 2004 Buick Lesabre come from 3 brands — DORMAN, VEMO and WAI GLOBAL.
The Economy section: 2 options from DORMAN and VEMO. DORMAN 901111 is listed in this group.
Standard Replacement: 1 part, from WAI GLOBAL. A representative part number is WAI GLOBAL 87121.
This group includes DORMAN 901111, VEMO V51730073 and WAI GLOBAL 87121.
Driving Light Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 600015 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 30 AmpereConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY232 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 35 AConnector Gender: Male | View on Amazon |
| WELLS | 1R1059 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: NoVoltage: 12.0 VDC | View on Amazon |
This table covers the relays that control the Driving 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.
3 Driving Light Relay parts are listed for the 2004 Buick Lesabre, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.
This group includes ROSTRA 600015, STANDARD MOTOR PRODUCTS RY232 and WELLS 1R1059.
Fog / Driving Lamp Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| ULTRA-POWER | 1R1056 | 🇺🇸 US 🇨🇦 CA | Fog Lamp Relay | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
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.
5 Fog / Driving Lamp Relay parts for the 2004 Buick Lesabre come from 5 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN, ROSTRA and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS RY601.
Part numbers include STANDARD MOTOR PRODUCTS RY601, HOLSTEIN 2RSW1002 and ROSTRA 600001, among others listed above.
Fuel Injection Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| ULTRA-POWER | 1R1056 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
This table covers the relays that control the Fuel Injection 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.
5 Fuel Injection Relay parts are listed for the 2004 Buick Lesabre, from STANDARD MOTOR PRODUCTS, HOLSTEIN, ROSTRA and 2 other brands. STANDARD MOTOR PRODUCTS RY601 carries the "Popular" badge.
This group includes STANDARD MOTOR PRODUCTS RY601, HOLSTEIN 2RSW1002 and ROSTRA 600001 and the remaining parts above.
Fuel Pump / Circuit Opening Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
| HELLA Popular | 933332571 | 🇺🇸 US 🇨🇦 CA | 30 Amps4-Pin Connector | View on Amazon |
| ACDELCO | D1741C | 🇺🇸 US 🇨🇦 CA | GoldVoltage: 12 VDC | View on Amazon |
| BOSCH | 0986AH0115 | 🇺🇸 US 🇨🇦 CA | Glow Plug Relay | View on Amazon |
| ROSTRA | 600007 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 20 AmpereConnector Gender: Male | View on Amazon |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY280 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4 | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
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.
8 Fuel Pump / Circuit Opening Relay parts for the 2004 Buick Lesabre come from 7 brands — ROSTRA, GM GENUINE, HELLA and 4 other brands. The "Popular" part is GM GENUINE 13500114.
This group includes GM GENUINE 13500114, HELLA 933332571 and ACDELCO D1741C and the remaining parts above.
Hazard Warning Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S3154 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Hazard Warning 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 2004 Buick Lesabre — WELLS 1S3154.
Headlamp Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 13500114 | 🇺🇸 US 🇨🇦 CA | Fits High BeamGray | View on Amazon |
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
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.
5 Headlamp Relay parts for the 2004 Buick Lesabre come from 5 brands — GM GENUINE, HOLSTEIN, ROSTRA and 2 other brands. The "Popular" part is GM GENUINE 13500114.
This group includes GM GENUINE 13500114, HOLSTEIN 2RSW1002 and ROSTRA 600001 and the remaining parts above.
Headlamp Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BWD/NIEHOFF | HL146 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FAMOUS BRAND | HGA1005 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | D1591G | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA Popular | 650040 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | HLS1021 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S1965 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the column or dash switches that control the exterior 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 Headlamp Switch parts are listed for the 2004 Buick Lesabre, from BWD/NIEHOFF, FAMOUS BRAND, GM GENUINE and 3 other brands. GM GENUINE D1591G carries the "Popular" badge.
Economy: 2 parts, from BWD/NIEHOFF and FAMOUS BRAND. A representative part number is BWD/NIEHOFF HL146.
The Standard Replacement section: 4 options from GM GENUINE, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand. GM GENUINE D1591G is listed in this group.
This group includes GM GENUINE D1591G, BWD/NIEHOFF HL146 and FAMOUS BRAND HGA1005 and the remaining parts above.
Horn Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
| HELLA Popular | 933332571 | 🇺🇸 US 🇨🇦 CA | 30 Amps4-Pin Connector | View on Amazon |
| BOSCH | 0986AH0115 | 🇺🇸 US 🇨🇦 CA | Glow Plug Relay | View on Amazon |
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
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.
7 Horn Relay parts are listed for the 2004 Buick Lesabre, from GM GENUINE, HELLA, BOSCH and 4 other brands. GM GENUINE 13500114 carries the "Popular" badge.
This group includes GM GENUINE 13500114, HELLA 933332571 and BOSCH 0986AH0115 and the remaining parts above.
Ignition Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 13503102 | 🇺🇸 US 🇨🇦 CA | SPST 280 MiniGray | View on Amazon |
| GM GENUINE Popular | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 600007 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 20 AmpereConnector Gender: Male | View on Amazon |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
| WELLS | 1R1085 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 40 AConnector Gender: Male | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
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.
8 Ignition Relay parts are listed for the 2004 Buick Lesabre, from GM GENUINE, ROSTRA, WELLS and 2 other brands. GM GENUINE 13503102 carries the "Popular" badge.
This group includes GM GENUINE 13503102, GM GENUINE 13500114 and HOLSTEIN 2RSW1002 and the remaining parts above.
Ignition Starter Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND | CSC1471 | 🇺🇸 US 🇨🇦 CA | Ignition Switch | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | US433 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S5964 | 🇺🇸 US 🇨🇦 CA | 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.
3 Ignition Starter Switch parts are listed for the 2004 Buick Lesabre, from FAMOUS BRAND, STANDARD MOTOR PRODUCTS and WELLS.
Economy: 1 part, from FAMOUS BRAND. A representative part number is FAMOUS BRAND CSC1471.
The Standard Replacement section: 2 options from STANDARD MOTOR PRODUCTS and WELLS. STANDARD MOTOR PRODUCTS US433 is listed in this group.
This group includes FAMOUS BRAND CSC1471, STANDARD MOTOR PRODUCTS US433 and WELLS 1S5964.
Instrument Panel Cluster Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| ULTRA-POWER | 1R1056 | 🇺🇸 US 🇨🇦 CA | Instrument Panel Relay | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
This table covers the relays that control the Instrument Panel Cluster 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.
5 Instrument Panel Cluster Relay parts are listed for the 2004 Buick Lesabre, from STANDARD MOTOR PRODUCTS, HOLSTEIN, ROSTRA and 2 other brands. STANDARD MOTOR PRODUCTS RY601 carries the "Popular" badge.
Listed part numbers: STANDARD MOTOR PRODUCTS RY601, HOLSTEIN 2RSW1002 and ROSTRA 600001, plus the other parts above.
Interior Light Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
This table covers the relays that control the Interior 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.
5 Interior Light Relay parts for the 2004 Buick Lesabre come from 5 brands — GM GENUINE, HOLSTEIN, ROSTRA and 2 other brands. The "Popular" part is GM GENUINE 13500114.
Listed part numbers: GM GENUINE 13500114, HOLSTEIN 2RSW1002 and ROSTRA 600001, plus the other parts above.
Level Control Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| ULTRA-POWER | 1R1056 | 🇺🇸 US 🇨🇦 CA | Fits Automatic Level Control RelayLOAD LEVELER RELAY | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
This table covers the relays that control the Level 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.
4 Level Control Relay parts are listed for the 2004 Buick Lesabre, from GM GENUINE, ROSTRA, ULTRA-POWER and 1 other brand.
Listed part numbers: GM GENUINE 13500114, ROSTRA 600001 and ULTRA-POWER 1R1056, plus the other parts above.
Multi-Function Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 0986AH0113 | 🇺🇸 US 🇨🇦 CA | Multi-Purpose Relay | View on Amazon |
This table covers the relays that control the Multi-Function 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.
This group shows a single part: BOSCH 0986AH0113.
Neutral Safety Switch / Range Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 670583 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | NS635 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S12276 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Neutral Safety Switch / Range 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.
3 Neutral Safety Switch / Range Sensor parts for the 2004 Buick Lesabre come from 3 brands — ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.
This group includes ROSTRA 670583, STANDARD MOTOR PRODUCTS NS635 and WELLS 1S12276.
Neutral Safety Switch / Range Sensor Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
This table covers the relays that control the Neutral Safety Switch / Range Sensor 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.
One part is listed for the 2004 Buick Lesabre — GM GENUINE 13500114.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | PS309T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| HOLSTEIN | 2OPS0027 | 🇺🇸 US 🇨🇦 CA | with Gauge | View on Amazon |
| UNITED MOTOR PRODUCTS | OPS174 | 🇺🇸 US 🇨🇦 CA | M16 X 1.5 thead | View on Amazon |
| WALKER PRODUCTS | 2561008 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular | 1S6772 | 🇺🇸 US 🇨🇦 CA | with Gauge & Light | View on Amazon |
| GPD | 1815414 | 🇺🇸 US 🇨🇦 CA | with Gauge | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS309 | 🇺🇸 US 🇨🇦 CA | 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.
7 Oil Pressure Sender / Switch parts for the 2004 Buick Lesabre come from 6 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN, UNITED MOTOR PRODUCTS and 3 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS PS309T.
The Economy section: 4 options from STANDARD MOTOR PRODUCTS, HOLSTEIN, UNITED MOTOR PRODUCTS and 1 other brand. STANDARD MOTOR PRODUCTS PS309T is listed in this group.
Standard Replacement: 3 parts, from WELLS, GPD and STANDARD MOTOR PRODUCTS. A representative part number is WELLS 1S6772.
Part numbers include STANDARD MOTOR PRODUCTS PS309T, HOLSTEIN 2OPS0027 and UNITED MOTOR PRODUCTS OPS174, among others listed above.
Parking Brake Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 690090 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | DS905 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S1930 | 🇺🇸 US 🇨🇦 CA | Voltage: 12.0 VDC | View on Amazon |
| WELLS | 1S1926 | 🇺🇸 US 🇨🇦 CA | Voltage: 12.0 2H | View on Amazon |
This table covers the Parking Brake 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 Parking Brake Switch parts for the 2004 Buick Lesabre come from 3 brands — WELLS, ROSTRA and STANDARD MOTOR PRODUCTS.
Part numbers include ROSTRA 690090, STANDARD MOTOR PRODUCTS DS905 and WELLS 1S1930, among others listed above.
Parking Lamp Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
This table covers the relays that control the Parking 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.
4 Parking Lamp Relay parts for the 2004 Buick Lesabre come from 4 brands — GM GENUINE, HOLSTEIN, ROSTRA and 1 other brand.
This group includes GM GENUINE 13500114, HOLSTEIN 2RSW1002 and ROSTRA 600001 and the remaining parts above.
Power Seat Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 660525 | 🇺🇸 US 🇨🇦 CA | Left8 Way | View on Amazon |
This table covers the Power Seat 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 2004 Buick Lesabre — ROSTRA 660525.
Power Steering Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 600007 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 20 AmpereConnector Gender: Male | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY280 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4 | View on Amazon |
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.
2 Power Steering Relay parts for the 2004 Buick Lesabre come from 2 brands — ROSTRA and STANDARD MOTOR PRODUCTS.
This group includes ROSTRA 600007 and STANDARD MOTOR PRODUCTS RY280.
Power Window Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Popular | WSC1051 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 25654433 | 🇺🇸 US 🇨🇦 CA | Front LeftIncludes Lockout Switch | View on Amazon |
| WAI GLOBAL Popular | 387128 | 🇺🇸 US 🇨🇦 CA | Front Right1 Button | View on Amazon |
| ROSTRA | 660303 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| ROSTRA | 660385 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| ROSTRA | 660063 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| STANDARD MOTOR PRODUCTS | DWS251 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| STANDARD MOTOR PRODUCTS | DWS264 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| STANDARD MOTOR PRODUCTS | DWS198 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| WELLS | 1S3875 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| WELLS | 1S3877 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| WELLS | 1S3874 | 🇺🇸 US 🇨🇦 CA | Front Left | 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.
12 Power Window Switch parts for the 2004 Buick Lesabre come from 6 brands — ROSTRA, STANDARD MOTOR PRODUCTS, WELLS and 3 other brands. The "Popular" part is FAMOUS BRAND WSC1051.
The Economy section: 1 option from FAMOUS BRAND. FAMOUS BRAND WSC1051 is listed in this group.
Standard Replacement: 11 parts, from ROSTRA, STANDARD MOTOR PRODUCTS, WELLS and 2 other brands. A representative part number is GM GENUINE 25654433.
Powertrain Control Module Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 933332601 | 🇺🇸 US 🇨🇦 CA | 5-pin connector | View on Amazon |
This table covers the relays that control the Powertrain 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.
This group shows a single part: HELLA 933332601.
Radiator Fan Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 1581106 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Popular | 13503102 | 🇺🇸 US 🇨🇦 CA | SPST 280 MiniGray | View on Amazon |
| GM GENUINE Popular | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
| ACDELCO | D1741C | 🇺🇸 US 🇨🇦 CA | GoldVoltage: 12 VDC | View on Amazon |
| FOUR SEASONS | 36009 | 🇺🇸 US 🇨🇦 CA | Black 5 Pin without ShroudMotor Relay | View on Amazon |
| FOUR SEASONS | 36010 | 🇺🇸 US 🇨🇦 CA | 4 PinMotor Relay | View on Amazon |
| HELLA | 933332581 | 🇺🇸 US 🇨🇦 CA | 5-Pin ConnectorColor: Black | View on Amazon |
| HELLA | 933332601 | 🇺🇸 US 🇨🇦 CA | 5-pin connector | View on Amazon |
| ROSTRA | 600007 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 20 AmpereConnector Gender: Male | View on Amazon |
| ROSTRA | 600014 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 30 AmpereConnector Gender: Male | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY604 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 5black | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY280 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4 | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY232 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 35 AConnector Gender: Male | View on Amazon |
| WELLS | 1R1085 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 40 AConnector Gender: Male | View on Amazon |
| WELLS | 1R1055 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 30 AMounting Hardware Included: No | View on Amazon |
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.
15 Radiator Fan Relay parts are listed for the 2004 Buick Lesabre, from GM GENUINE, STANDARD MOTOR PRODUCTS, FOUR SEASONS and 4 other brands. GM GENUINE 1581106 carries the "Popular" badge.
Seat Heater Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 661223 | 🇺🇸 US 🇨🇦 CA | Fits Front Right | View on Amazon |
This table covers the Seat Heater 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 2004 Buick Lesabre — ROSTRA 661223.
Starter Motor Control Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 13503102 | 🇺🇸 US 🇨🇦 CA | SPST 280 MiniGray | View on Amazon |
| ACDELCO | D1741C | 🇺🇸 US 🇨🇦 CA | GoldVoltage: 12 VDC | View on Amazon |
| ROSTRA | 600007 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 20 AmpereConnector Gender: Male | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY280 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 4 | View on Amazon |
| WELLS | 1R1085 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 40 AConnector Gender: Male | View on Amazon |
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.
5 Starter Motor Control Relay parts are listed for the 2004 Buick Lesabre, from GM GENUINE, ACDELCO, ROSTRA and 2 other brands. GM GENUINE 13503102 carries the "Popular" badge.
Part numbers include GM GENUINE 13503102, ACDELCO D1741C and ROSTRA 600007, among others listed above.
Sunroof / Sunshade Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | DS3331 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S8662 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Sunroof / Sunshade 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 Sunroof / Sunshade Switch parts are listed for the 2004 Buick Lesabre, from STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS DS3331 and WELLS 1S8662.
Transmission-Automatic Fluid Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 501337 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S10175 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Transmission-Automatic Fluid 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.
2 Transmission-Automatic Fluid Pressure Switch parts for the 2004 Buick Lesabre come from 2 brands — ROSTRA and WELLS.
Part numbers include ROSTRA 501337 and WELLS 1S10175.
Transmission-Automatic Manual Shift Shaft Position Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24239970 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Transmission-Automatic Manual Shift Shaft Position 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: GM GENUINE 24239970.
Trunk Release Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 1581106 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Popular | 13500114 | 🇺🇸 US 🇨🇦 CA | Gray35AMP | View on Amazon |
| HOLSTEIN | 2RSW1002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA | 600001 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AmpereConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY601 | 🇺🇸 US 🇨🇦 CA | Functions: RelayMounting Hardware Included: No | View on Amazon |
| WELLS | 1R1056 | 🇺🇸 US 🇨🇦 CA | Amperage Rating: 25 AConnector Gender: Male | View on Amazon |
This table covers the relays that control the Trunk Release 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.
6 Trunk Release Relay parts are listed for the 2004 Buick Lesabre, from GM GENUINE, HOLSTEIN, ROSTRA and 2 other brands. GM GENUINE 1581106 carries the "Popular" badge.
Listed part numbers: GM GENUINE 1581106, GM GENUINE 13500114 and HOLSTEIN 2RSW1002, plus the other parts above.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | CBS1178 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S3154 | 🇺🇸 US 🇨🇦 CA | 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.
2 Turn Signal Switch parts for the 2004 Buick Lesabre come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS CBS1178 and WELLS 1S3154.
Wiper / Washer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | CBS1178 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S3154 | 🇺🇸 US 🇨🇦 CA | 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 are listed for the 2004 Buick Lesabre, from STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS CBS1178 and WELLS 1S3154.
Wiper Motor Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 933332601 | 🇺🇸 US 🇨🇦 CA | 5-pin connector | View on Amazon |
This table covers the relays that control the Wiper 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.
This group shows a single part: HELLA 933332601.
Buying Electrical Switch & Relay Parts for a 2004 Buick Lesabre
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 3.8L 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: Radiator Fan Relay and Power Window Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2004 Buick Lesabre?
Our catalog currently lists 203 electrical switch & relay parts for the 2004 Buick Lesabre across 50 subcategories and 19 brands, covering the 3.8L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2004 Buick Lesabre?
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 2004 Buick Lesabre 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 2004 Buick Lesabre?
Every part on this page is matched to the 3.8L 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 2004 Buick Lesabre
Electrical Switch & Relay Parts for Other Buick Lesabre Years
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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.