2009 Buick Lucerne 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

6 A/C Compressor Relay parts are listed for the 2009 Buick Lucerne, from GM GENUINE, STANDARD MOTOR PRODUCTS, FOUR SEASONS and 3 other brands. GM GENUINE 13500113 carries the "Popular" badge. All of them fit every engine offered in the 2009 Lucerne.

Part numbers include GM GENUINE 13500113, STANDARD MOTOR PRODUCTS RY862 and FOUR SEASONS 36135, among others listed above.

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 V40730008.

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

5 A/C Refrigerant Pressure Switch parts are listed for the 2009 Buick Lucerne, from GM GENUINE, FOUR SEASONS, GPD and 2 other brands. GM GENUINE 1551343 carries the "Popular" badge. All of them fit every engine offered in the 2009 Lucerne.

Listed part numbers: GM GENUINE 1551343, FOUR SEASONS 20915 and GPD 1711513, plus the other parts above.

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

One part is listed for the 2009 Buick Lucerne — UAC RE1014C.

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. Read more

2 Accessory Delay Relay parts for the 2009 Buick Lucerne come from GM GENUINE. Every part fits both the 3.9L V6 and the 4.6L V8.

Part numbers include GM GENUINE 1581106 and GM GENUINE 13500114.

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

11 Accessory Power Relay parts for the 2009 Buick Lucerne come from 6 brands — STANDARD MOTOR PRODUCTS, HELLA, ROSTRA and 3 other brands. The "Popular" part is HELLA 933332571. Every part fits both the 3.9L V6 and the 4.6L V8.

This table covers the relays that control the AIR / Smog Pump 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

5 AIR / Smog Pump Relay parts for the 2009 Buick Lucerne come from 3 brands — STANDARD MOTOR PRODUCTS, HELLA and WELLS. The "Popular" part is STANDARD MOTOR PRODUCTS RY255. Every part fits both the 3.9L V6 and the 4.6L V8.

Listed part numbers: STANDARD MOTOR PRODUCTS RY255, HELLA 933332531 and STANDARD MOTOR PRODUCTS RY1760, plus the other parts above.

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

5 Blower Motor Relay parts are listed for the 2009 Buick Lucerne, from GM GENUINE, FOUR SEASONS, HELLA and 2 other brands. GM GENUINE 13503102 carries the "Popular" badge. All of them fit every engine offered in the 2009 Lucerne.

Part numbers include GM GENUINE 13503102, FOUR SEASONS 36010 and HELLA 933332571, among others listed above.

This table covers the relays that control the Brake 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

This group shows a single part: GM GENUINE 13500113.

This table covers the relays that control the Clutch Pedal Position 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 2009 Buick Lucerne — GM GENUINE 13500113.

This table covers the relays that control the Computer 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

2 Computer Control Relay parts are listed for the 2009 Buick Lucerne, from ROSTRA and STANDARD MOTOR PRODUCTS. All of them fit every engine offered in the 2009 Lucerne.

Listed part numbers: ROSTRA 600060 and STANDARD MOTOR PRODUCTS RY1757.

This table covers the relays that control the Cornering 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

2 Cornering Lamp Relay parts for the 2009 Buick Lucerne come from 2 brands — HOLSTEIN and STANDARD MOTOR PRODUCTS. Every part fits both the 3.9L V6 and the 4.6L V8.

This group includes HOLSTEIN 2RSW0042 and STANDARD MOTOR PRODUCTS RY862.

This table covers the Cruise Control 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: GM GENUINE 15824107.

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

3 Daytime Running Light Relay parts are listed for the 2009 Buick Lucerne, from GM GENUINE, HOLSTEIN and STANDARD MOTOR PRODUCTS. All of them fit every engine offered in the 2009 Lucerne.

Part numbers include GM GENUINE 13500113, HOLSTEIN 2RSW0042 and STANDARD MOTOR PRODUCTS RY862.

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 2009 Buick Lucerne — GM GENUINE 13503102.

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. Read more

4 Dimmer Switch parts for the 2009 Buick Lucerne come from 4 brands — SHEE-MAR, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand. Every part fits both the 3.9L V6 and the 4.6L V8.

The Economy section lists 1 option from SHEE-MAR — the catalog's value-priced group. SHEE-MAR SM279C is listed in this group.

In the Standard Replacement grade, ROSTRA, STANDARD MOTOR PRODUCTS and WELLS supply 3 parts: built to original-equipment specification. A representative part number is ROSTRA 640078.

Part numbers include SHEE-MAR SM279C, ROSTRA 640078 and STANDARD MOTOR PRODUCTS CBS1423, among others listed above.

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. Read more

This group shows a single part: GM GENUINE 13500113.

This table covers the relays that control the Door Lock 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 Door Lock Relay parts for the 2009 Buick Lucerne come from GM GENUINE. Every part fits both the 3.9L V6 and the 4.6L V8.

Part numbers include GM GENUINE 13500113 and GM GENUINE D1780C.

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. Read more

2 Driving Light Relay parts for the 2009 Buick Lucerne come from 2 brands — HOLSTEIN and STANDARD MOTOR PRODUCTS. Every part fits both the 3.9L V6 and the 4.6L V8.

Listed part numbers: HOLSTEIN 2RSW0042 and STANDARD MOTOR PRODUCTS RY862.

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

5 Fog / Driving Lamp Relay parts are listed for the 2009 Buick Lucerne, from STANDARD MOTOR PRODUCTS, BWD/NIEHOFF, HOLSTEIN and 1 other brand. STANDARD MOTOR PRODUCTS RY862 carries the "Popular" badge. All of them fit every engine offered in the 2009 Lucerne.

Part numbers include STANDARD MOTOR PRODUCTS RY862, BWD/NIEHOFF R6332 and HOLSTEIN 2RSW0042, among others listed above.

This table covers the Fog / Driving Lamp 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

8 Fog / Driving Lamp Switch parts for the 2009 Buick Lucerne come from 2 brands — ROSTRA and WELLS. The "Popular" part is WELLS 1S10156. Every part fits both the 3.9L V6 and the 4.6L V8.

Part numbers include WELLS 1S10156, WELLS 1S10145 and ROSTRA 650872, among others listed above.

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

6 Fuel Pump / Circuit Opening Relay parts are listed for the 2009 Buick Lucerne, from ROSTRA, STANDARD MOTOR PRODUCTS, HELLA and 1 other brand. HELLA 933332571 carries the "Popular" badge. All of them fit every engine offered in the 2009 Lucerne.

Part numbers include HELLA 933332571, WELLS 1R1059 and ROSTRA 600015, among others listed above.

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

4 Headlamp Relay parts are listed for the 2009 Buick Lucerne, from GM GENUINE, HOLSTEIN and STANDARD MOTOR PRODUCTS. All of them fit every engine offered in the 2009 Lucerne.

This group includes GM GENUINE 13500113, GM GENUINE D1780C and HOLSTEIN 2RSW0042 and the remaining parts above.

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. Read more

5 Headlamp Switch parts for the 2009 Buick Lucerne come from 3 brands — WELLS, ROSTRA and STANDARD MOTOR PRODUCTS. The "Popular" part is WELLS 1S10145. Every part fits both the 3.9L V6 and the 4.6L V8.

This group includes WELLS 1S10145, ROSTRA 650872 and STANDARD MOTOR PRODUCTS HLS1249 and the remaining parts above.

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

2 Horn Relay parts for the 2009 Buick Lucerne come from 2 brands — GM GENUINE and HELLA. Every part fits both the 3.9L V6 and the 4.6L V8.

Listed part numbers: GM GENUINE D1780C and HELLA 933332571.

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

3 Ignition Relay parts for the 2009 Buick Lucerne come from 3 brands — GM GENUINE, HOLSTEIN and STANDARD MOTOR PRODUCTS. Every part fits both the 3.9L V6 and the 4.6L V8.

Part numbers include GM GENUINE 13500113, HOLSTEIN 2RSW0042 and STANDARD MOTOR PRODUCTS RY862.

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. Read more

4 Ignition Starter Switch parts for the 2009 Buick Lucerne come from 4 brands — GM GENUINE, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand. Every part fits both the 3.9L V6 and the 4.6L V8.

Part numbers include GM GENUINE D1462F, ROSTRA 630031 and STANDARD MOTOR PRODUCTS US710, among others listed above.

This table covers the Instrument Panel Dimmer 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

9 Instrument Panel Dimmer Switch parts are listed for the 2009 Buick Lucerne, from ROSTRA and WELLS. WELLS 1S10156 carries the "Popular" badge. All of them fit every engine offered in the 2009 Lucerne.

This group includes WELLS 1S10156, WELLS 1S10145 and ROSTRA 650872 and the remaining parts above.

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. Read more

This group shows a single part: GM GENUINE 13503102.

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. Read more

3 Neutral Safety Switch / Range Sensor parts are listed for the 2009 Buick Lucerne, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2009 Lucerne.

Listed part numbers: ROSTRA 670583, STANDARD MOTOR PRODUCTS NS635 and WELLS 1S12276.

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

17 Oil Pressure Sender / Switch parts are listed for the 2009 Buick Lucerne, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS, GM GENUINE and 7 other brands. GM GENUINE 12674782 carries the "Popular" badge.

Economy: 7 parts, from UNITED MOTOR PRODUCTS, DORMAN, HOLSTEIN and 3 other brands. A representative part number is DORMAN 926553.

The Standard Replacement section: 10 options from GM GENUINE, ROSTRA, STANDARD MOTOR PRODUCTS and 2 other brands. GM GENUINE 12674782 is listed in this group.

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. Read more

3 Parking Lamp Relay parts are listed for the 2009 Buick Lucerne, from GM GENUINE, HOLSTEIN and STANDARD MOTOR PRODUCTS. All of them fit every engine offered in the 2009 Lucerne.

Listed part numbers: GM GENUINE 13500113, HOLSTEIN 2RSW0042 and STANDARD MOTOR PRODUCTS RY862.

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. Read more

22 Power Seat Switch parts for the 2009 Buick Lucerne come from 8 brands — STANDARD MOTOR PRODUCTS, WELLS, SKP and 5 other brands. The "Popular" part is SHEE-MAR SM2136. Every part fits both the 3.9L V6 and the 4.6L V8.

The Economy section: 11 options from SKP, VEMO, SHEE-MAR and 2 other brands. SHEE-MAR SM2136 is listed in this group.

Standard Replacement: 11 parts, from STANDARD MOTOR PRODUCTS, WELLS and ROSTRA. A representative part number is ROSTRA 660009.

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. Read more

10 Power Window Switch parts are listed for the 2009 Buick Lucerne, from STANDARD MOTOR PRODUCTS, WELLS, DORMAN and 5 other brands. DORMAN 901149 carries the "Popular" badge. 9 parts fit every engine; the other 1 is engine-specific.

Economy: 4 parts, from DORMAN, AUTOTECNICA, SHEE-MAR and 1 other brand. A representative part number is DORMAN 901149.

The Standard Replacement section: 6 options from STANDARD MOTOR PRODUCTS, WELLS, GM GENUINE and 1 other brand. GM GENUINE 22895545 is listed in this group.

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. Read more

GM GENUINE supplies both parts for the 2009 Buick Lucerne. All of them fit every engine offered in the 2009 Lucerne.

Part numbers include GM GENUINE 1581106 and GM GENUINE 13500114.

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

5 Radiator Fan Relay parts for the 2009 Buick Lucerne come from 2 brands — STANDARD MOTOR PRODUCTS and GM GENUINE. The "Popular" part is GM GENUINE 13500114. Every part fits both the 3.9L V6 and the 4.6L V8.

Part numbers include GM GENUINE 13500114, GM GENUINE 1581106 and STANDARD MOTOR PRODUCTS RY255, among others listed above.

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. Read more

This group shows a single part: WELLS 1S12487.

This table covers the Seat Lumbar 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

4 Seat Lumbar Switch parts for the 2009 Buick Lucerne come from 3 brands — ROSTRA, GM GENUINE and STANDARD MOTOR PRODUCTS. Every part fits both the 3.9L V6 and the 4.6L V8.

Part numbers include GM GENUINE 84477509, ROSTRA 662608 and ROSTRA 662610, among others listed above.

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

9 Starter Motor Control Relay parts for the 2009 Buick Lucerne come from 7 brands — GM GENUINE, BOSCH, HOLSTEIN and 4 other brands. The "Popular" part is GM GENUINE 13503102. Every part fits both the 3.9L V6 and the 4.6L V8.

Part numbers include GM GENUINE 13503102, GM GENUINE 13500114 and BOSCH 0986AH0115, among others listed above.

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. Read more

2 Sunroof / Sunshade Switch parts for the 2009 Buick Lucerne come from 2 brands — ULTRA-POWER and ROSTRA. Every part fits both the 3.9L V6 and the 4.6L V8.

The Economy section: 1 option from ULTRA-POWER. ULTRA-POWER 1S12446 is listed in this group.

Standard Replacement: 1 part, from ROSTRA. A representative part number is ROSTRA 662645.

Part numbers include ULTRA-POWER 1S12446 and ROSTRA 662645.

This table covers the relays that control the Tail 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 2009 Buick Lucerne — GM GENUINE 13500113.

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. Read more

2 Transmission-Automatic Fluid Pressure Switch parts are listed for the 2009 Buick Lucerne, from ROSTRA and WELLS. All of them fit every engine offered in the 2009 Lucerne.

Listed part numbers: ROSTRA 501337 and WELLS 1S10175.

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. Read more

One part is listed for the 2009 Buick Lucerne — GM GENUINE 24239970.

This table covers the Trunk Lid / Tailgate Release 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

6 Trunk Lid / Tailgate Release Switch parts for the 2009 Buick Lucerne come from 4 brands — WELLS, GM GENUINE, STANDARD MOTOR PRODUCTS and 1 other brand. The "Popular" part is GM GENUINE D1411F. Every part fits both the 3.9L V6 and the 4.6L V8.

Listed part numbers: GM GENUINE D1411F, STANDARD MOTOR PRODUCTS DS2209 and ROSTRA 650872, plus the other parts above.

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. Read more

This group shows a single part: GM GENUINE 13500113.

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. Read more

5 Turn Signal Switch parts are listed for the 2009 Buick Lucerne, from SHEE-MAR, GM GENUINE, ROSTRA and 2 other brands. GM GENUINE D6279C carries the "Popular" badge. All of them fit every engine offered in the 2009 Lucerne.

Economy: 1 part, from SHEE-MAR. A representative part number is SHEE-MAR SM279C.

The Standard Replacement section: 4 options from GM GENUINE, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand. GM GENUINE D6279C is listed in this group.

Part numbers include GM GENUINE D6279C, SHEE-MAR SM279C and ROSTRA 640078, among others listed above.

This table covers the relays that control the Vacuum Pump 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 Vacuum Pump Relay parts for the 2009 Buick Lucerne come from 2 brands — ROSTRA and WELLS. Every part fits both the 3.9L V6 and the 4.6L V8.

Listed part numbers: ROSTRA 600439 and WELLS 1R3319.

This table covers the relays that control the Warning 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

2 Warning Light Relay parts are listed for the 2009 Buick Lucerne, from HOLSTEIN and STANDARD MOTOR PRODUCTS. All of them fit every engine offered in the 2009 Lucerne.

Part numbers include HOLSTEIN 2RSW0042 and STANDARD MOTOR PRODUCTS RY862.

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. Read more

4 Wiper / Washer Switch parts for the 2009 Buick Lucerne come from 4 brands — WAI GLOBAL, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand. Every part fits both the 3.9L V6 and the 4.6L V8.

The Economy section: 1 option from WAI GLOBAL. WAI GLOBAL 372800 is listed in this group.

Standard Replacement: 3 parts, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS. A representative part number is ROSTRA 640078.

This group includes WAI GLOBAL 372800, ROSTRA 640078 and STANDARD MOTOR PRODUCTS CBS1423 and the remaining parts above.

This table covers the relays that control the Wiring 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

GM GENUINE supplies the 3 Wiring Relay parts for the 2009 Buick Lucerne. All of them fit every engine offered in the 2009 Lucerne.

This group includes GM GENUINE 13503102, GM GENUINE 13500114 and GM GENUINE 21997416.