2003 Buick Regal Electrical Parts
- Light Switches
- Light Relays + Sensors
- Fuses
- Electrical Wiring, Cables & Connectors
- Replacement Gauges
- Power + Heated Seats
- Cruise Control
- Steering Wheel Control Buttons
- Horns
- Power Mirror Switches + Relays
- Door Lock Actuators + Switches
- Sunroof + Convertible Top Motors
- Window Motors + Switches
- Defrosters
- Alternators
- Starters
- Batteries
- Voltage Regulators
- A/C Relays, Sensors
- Fuel Sensors & Switches
- Cooling System Switches, Sensors & Relays
- Oxygen Sensors
- Engine Sensors, Relays, Switches & Connectors
- Transmission Solenoids, Sensors, Switches & Control Units
- Starting & Charging Relays, Cables + Connectors
- Brake System Sensors
- Mass Air Flow Sensors
- iD Select®Remanufactured StarterBuick Regal with Pad Mount Starter, Delco Starter 2003, Remanufactured Starter by iD Select®. Type: Permanent Magnet Gear Reduction. Rotation: Clockwise. With 11-Tooth Pinion Gear. Voltage: 12V. Swap out your worn-out or malfunctioning...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$77.67 - $81.71
- TRQ®Engine Oil Pressure SwitchBuick Regal 2003, Engine Oil Pressure Switch by TRQ®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$21.80$22.95Save $1.15 (5%)
- Denso®Oxygen SensorBuick Regal 2003, Oxygen Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$31.92 - $36.01
- gpd®Engine Coolant Temperature SensorBuick Regal 2003, Engine Coolant Temperature Sensor by gpd®. Terminal Quantity: 2. Connector Shape: Oval. With Oval Connector. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C...Designed to meet or exceed OE fit, form, and functionDurability tested on every new design$11.67
- TYC®AlternatorBuick Regal with Delco Alternator 2003, Alternator by TYC®. Current: 105 Amp. With 6 Groove Serpentine Pulley. The alternator is one of the parts you want to function properly, otherwise all the comforts given by the electronic...100% New unit inside and out (No recycled components) ensure longer term useOE quality at an affordable price$113.94
- Quality-Built®StarterBuick Regal with Pad Mount Starter, Delco Starter 2003, Starter by Quality-Built®. Type: Permanent Magnet Gear Reduction. Weight: 8 lbs. Rotation: Clockwise. With 11-Tooth Pinion Gear. Voltage: 12V. Get professional installer quality at...Designed specifically for the high demands of professional installersSelect components and advanced manufacturing techniques provide unparalleled performance and reliability$69.26 - $90.24
- ACDelco®Genuine GM Parts™ Oxygen SensorBuick Regal 2003, Genuine GM Parts™ Oxygen Sensor by ACDelco®. If your O2 sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s GM OE Oxygen Sensor help.ACDelco GM OE Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsDetects oxygen content in the exhaust gases$60.16 - $72.73
- Standard®Window SwitchBuick Regal 2003, Window Switch by Standard®. Make your vehicle perfect in every detail with Standard power window switch designed with ultimate quality and durability in mind. Reliable function that will meet your exacting demands and...Switches are designed using copper alloy conductors to ensure superior electrical conductivity with low resistive lossesParts are 100% tested to verify both mechanical and electrical switching performance$21.64 - $55.18
- UAC®HVAC Pressure TransducerBuick Regal 2003, HVAC Pressure Transducer by UAC®. High Pressure. UAC’s line of electrical components includes the Switches and Relays that are necessary for the proper function of an A/C System. They are produced at top tier...Helps maintain a desired temperature inside your carMade of durable materials$22.33
- ACDelco®GM Original Equipment™ Driver Side Window SwitchBuick Regal 2003, GM Original Equipment™ Driver Side Window Switch by ACDelco®. Designed utilizing the latest technology, this gm original equipment power window switch by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$109.29
- Walker Products®Crankshaft Position SensorBuick Regal 2003, Crankshaft Position Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...High quality at an affordable priceExpertly made from premium materials$23.56 - $33.59
- ACDelco®Genuine GM Parts™ Mass Air Flow SensorBuick Regal 2003, Genuine GM Parts™ Black and Silver Mass Air Flow Sensor by ACDelco®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$214.02
- Delphi®Mass Air Flow SensorBuick Regal 2003, Mass Air Flow Sensor by Delphi®. When it comes to MAF sensors, communication with the ECM is key. That’s why Delphi MAF sensors use all new parts - never remanufactured parts that could harbor debris and therefore...Extensive coverageManufactured to meet or exceed OE requirements and testing$126.57
- WAI Global®Power Window MotorBuick Regal 2003, Power Window Motor by WAI Global®. If your vehicle's window regulator wore out, WAI has you covered with the right part for your replacement needs. Precisely designed, this premium product provides the same quality,...100% tested to O.E.M. specifications (form, fit and function)Exactly fits in the place of your original part$38.28 - $39.15
- Bosch®StarterBuick Regal K Engine VIN Character 2003, Starter by Bosch®. Rated Power: 1.5 kW. Rotation: Clockwise. With 11-Tooth Pinion Gear. Voltage: 12V. Whether new or remanufactured, Bosch starters are 100% factory tested to ensure reliable...Designed to withstand the harshest environments100% full-load tested – meets or exceeds OE manufacturers' torque, amperage draw and RPM standards$118.03 - $204.31
- Standard®Ambient Air Temperature SensorBuick Regal 2003, Ambient Air Temperature Sensor by Standard®. Type: 2 Blade Male Terminal. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and...High grade elements and construction deliver professional installation confidence every timeWith a focus on quality, Standard sensors are designed to deliver precision performance$8.69
- Standard®Air Charge Temperature SensorBuick Regal 2003, Air Charge Temperature Sensor by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Premium parts you can rely onDesigned to keep your air intake system in top shape$14.83 - $15.12
- BBB Industries®Premium™ Remanufactured StarterBuick Regal with Delco Starter / with Delphi Starter 2003, Premium™ Remanufactured Starter by BBB Industries®. Type: Permanent Magnet Gear Reduction. Rotation: Clockwise. With 11-Tooth Pinion Gear. Voltage: 12V. If your engine starts...Developed with modern technology and innovationMeticulously tested for the ultimate in quality$86.77 - $91.31
- BBB Industries®StarterBuick Regal 2003, Starter by BBB Industries®. Type: Permanent Magnet Gear Reduction. Rotation: Clockwise. Voltage: 12V. If your engine starts hard or fails to start, the problem can be in the starter. And to replace your malfunctioning...Developed with modern technology and innovationMeticulously tested for the ultimate in quality$118.23 - $179.72
- Spectra Premium®Crankshaft Position SensorBuick Regal 2003, Crankshaft Position Sensor by Spectra Premium®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology$21.08
- Walker Products®Engine Coolant Temperature SensorBuick Regal 2003, Engine Coolant Temperature Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...High quality at an affordable priceExpertly made from premium materials$12.32 - $16.98
- Delphi®Air Charge Temperature SensorBuick Regal 2003, Black Air Charge Temperature Sensor by Delphi®. If you have a dirty air filter, clogged PCV valve, or defective MAF sensor you may be tempted to just run down to the local auto parts chain store for a replacement, but...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$15.73
- BBB Industries®Premium™ Remanufactured AlternatorBuick Regal 2003, Premium™ Remanufactured Alternator by BBB Industries®. Current: 105 Amp. With 6 Groove Serpentine Pulley. Internal Fan. Plug Position: 12:00 O'Clock. Voltage Regulator: Internal. Designed utilizing the latest...Developed with modern technology and innovationMeticulously Tested for the ultimate in quality$92.33
- ACI®Window MotorBuick Regal 2003, Window Motor by ACI®. With Circuit Breaker. Meets or Exceeds OEM Specs. ACI power window motors are manufactured to meet or exceed OE performance. The quality, durability, and reliability of all products are backed by...Engineered to match original equipment regulators mountingDesigned for advanced torque and speed$45.07 - $48.32
- Four Seasons®Coolant Temperature SensorBuick Regal 2003, Coolant Temperature Sensor by Four Seasons®. Terminal Quantity: 2. Connector Shape: Oval. Connector Gender: Female. Terminal Type: Pin. All products are engineered and tested to provide years of trouble free operation....Brass Construction for Accurate Temperature SensingColor Coded for Easy Identification$11.72
- Remy®AlternatorBuick Regal 2003, Alternator by Remy®. Current: 105 Amp. With 6 Groove Serpentine Pulley. Internal Fan. Output Terminal: M8X1.25. Plug Position: 12:30 O'Clock. Voltage Regulator: Internal. Rotation: Clockwise. Voltage: 12V. The...Boasts the lowest mass in the industryProvides maximum fuel economy$80.11 - $141.57
- TRQ®Mass Air Flow SensorBuick Regal 2003, Mass Air Flow Sensor by TRQ®. TRQ Genuine Series works with Tier 1 Original Equipment manufacturers to provide customers with the same parts supplied to dealerships at a more competitive price point.Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$105.55$109.95Save $4.40 (4%)
- NTK®Oxygen SensorBuick Regal 2003, Oxygen Sensor by NTK®. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then sends voltage signals back to...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$36.59 - $40.06
- Hitachi®Mass Air Flow SensorBuick Regal 2003, Mass Air Flow Sensor by Hitachi®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest materials and the...Accurate air flow measurement is 100% testedMeets emissions standards$90.29
- WAI Global®StarterBuick Regal 2003, Starter by WAI Global®. Rotation: Clockwise. With 11-Tooth Pinion Gear. Voltage: 12V. If your engine starts hard or fails to start, the problem can be in the starter. And to replace your malfunctioning starter, there...Will help you easily solve the problem with engine startingDesigned to duplicate the original part as closely as possible$94.93 - $100.37
Shop By Service Type
Popular Products
2003 Buick Regal Electrical Reviews
3 reviews
Cycling Clutch Sensor
Supercool® - Cycling Pressure SwitchPosted by Jose Manuel (Katy, TX) / June 16, 20201992 Hyundai Sonata
2003 Buick Regal Models
Popular Searches