2003 Buick Regal Transmission Parts
![Buick Regal Transmission - 2003](https://ic.carid.com/pages/transmission-parts/transmission-parts-year_cat_0.jpg)
- Automatic Transmission Oil Coolers
- Transmission Mounts
- Solenoids, Sensors, Switches, Control Units
- Transmission Filters
- Automatic Transmission Torque Converters
- Transmission Shifters
- Pans, Drain Plugs, Filler Caps
- Seals & Gaskets
- Rebuild Kits
- Automatic Transmission Valve Bodies
- Bearings
- Automatic Transmission Flexplates
- Automatic Transmission Oil Pumps
- Transmission Shafts & Gears
- AT Bands & Clutches
- Automatic Transmission Assemblies
- Transmission Fluids, Oils & Additives
- ACDelco®Genuine GM Parts™ Automatic Transmission Clutch PlateBuick Regal 2003, Genuine GM Parts™ Automatic Transmission Clutch Plate by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3.74 - $10.53
- Dorman®Automatic Transmission Oil Cooler Hose AssemblyBuick Regal 2003, Automatic Transmission Oil Cooler Hose Assembly by Dorman®. Location: Radiator to Transmission. Finish: Natural. Replacing a damaged cooler line with Dorman’s Auto Trans Oil Cooler Hose Assembly takes you a long way...Includes all hardware needed for a complete repairMaterials used in construction have been upgraded from steel and/or rubber to corrosion-resistant aluminum$13.24 - $22.22
- ACDelco®Genuine GM Parts™ Automatic Transmission Oil Cooler HoseBuick Regal 2003, Genuine GM Parts™ Automatic Transmission Oil Cooler Hose by ACDelco®. Material: Rubber/Steel. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$33.93 - $37.35
- TRQ®Automatic Transmission Shift SolenoidBuick Regal 2003, Automatic Transmission Shift Solenoid by TRQ®. Keep your automatic transmission working properly with this top-grade TRQ shift solenoid. Manufactured to restore the original performance of your vehicle, it is made...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$23.45 - $32.59$24.95 - $33.95Save up to 6%
- National®Automatic Transmission Torque Converter SealBuick Regal with 4-Speed 4T65-E-HD/MN7 General Motors Transmission 2003, Automatic Transmission Torque Converter Seal by National®. Flanged. Width: 0.335". Inside Diameter: 1.787". Outside Diameter: 3.238". Housing Bore: 3.228". Flanged...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$2.58
- National®Automatic Transmission Output Shaft SealBuick Regal with 4-Speed 4T65-E-HD/MN7 General Motors Transmission 2003, Automatic Transmission Output Shaft Seal by National®. Driver Side. Width: 0.601". Inside Diameter: 1.378". Outside Diameter: 2.246". Housing Bore: 2.244". Flanged...Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection$3.81
- ACDelco®Genuine GM Parts™ Automatic Transmission Torque Converter SealBuick Regal GS 2003, Genuine GM Parts™ Automatic Transmission Torque Converter Seal by ACDelco®. Inside Diameter: 1.725". Outside Diameter: 3.464". Thickness: 0.422". Material: Rubber/Steel. Designed utilizing the latest technology,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.88
- Dorman®Automatic Transmission Speed SensorBuick Regal 2003, Automatic Transmission Speed Sensor by Dorman®. Location: Input Shaft. Input. Terminal Type: Blade. Dorman’s quality-engineered Auto Transmission Speed Sensor restores peak transmission function. Plus, your...Durable construction ensures accurate readingsDirect replacement for a proper fit every time$12.17
- ACDelco®GM Original Equipment™ Automatic Transmission Wiring HarnessBuick Regal 2003, GM Original Equipment™ Automatic Transmission Wiring Harness by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$66.01
- ACDelco®Genuine GM Parts™ Automatic Transmission Shift SolenoidBuick Regal GS 2003, Genuine GM Parts™ Automatic Transmission Shift Solenoid by ACDelco®. 1-2, 3-4 Position. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$30.96
- Dorman®Vehicle Speed Sensor ConnectorBuick Regal 2003, Vehicle Speed Sensor Connector by Dorman®. Connector Type: Female. Dorman offers a comprehensive line of Vehicle Speed Sensor Connectors for a wide range of applications. All Dorman Vehicle Speed Sensor Connectors are...No special tools required for installationEasy to install$27.13
- Dorman®Automatic Transmission Oil Cooler Line ConnectorBuick Regal 2003, Automatic Transmission Oil Cooler Line Connector by Dorman®. Quantity: 1 Piece. Dorman’s Auto Trans Oil Cooler Line Connectors are constructed from high-quality materials to provide a leak-free connection between...Direct replacement for a proper fit (where applicable)Retaining clips included (where applicable)$5.11 - $15.33
- Walker Products®Vehicle Speed SensorBuick Regal 2003, Vehicle Speed 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 needs...High quality at an affordable priceExpertly made from premium materials$13.74 - $23.45
- ACDelco®GM Original Equipment™ Automatic Transmission Speed SensorBuick Regal 2003, GM Original Equipment™ Automatic Transmission Speed Sensor by ACDelco®. Input. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....$29.66
- Four Seasons®Automatic Transmission Oil Cooler HoseBuick Regal 2003, Automatic Transmission Oil Cooler Hose by Four Seasons®. Does not Include: Electric Fan, Bracket, Fastner, Fittings, Gasket, Mounting Hardware. All products are engineered and tested to provide years of trouble free...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$12.25
- ACDelco®Genuine GM Parts™ Automatic Transmission Dipstick TubeBuick Regal 2003, Genuine GM Parts™ Automatic Transmission Dipstick Tube by ACDelco®. Hole Quantity: 1. Outer Diameter: 0.70". Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.06
- Standard®Automatic Transmission Control SolenoidBuick Regal 2003, Automatic Transmission Control Solenoid by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$19.29 - $59.02
- Standard®Neutral Safety SwitchBuick Regal 2003, Neutral Safety Switch 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 integrity...All switches are designed using copper alloy conductors to ensure superior electrical conductivity with low resistive lossesAll parts are 100% tested to verify both mechanical and electrical switching performance$36.43
- WVE®Automatic Transmission Torque Converter Clutch SolenoidBuick Regal 4T65-E Transmission 2003, Automatic Transmission Torque Converter Clutch Solenoid by WVE®. Connector Type: Female. Terminal Quantity: 2. Terminal Type: Blade. Replace your worn-out or faulty component with this quality...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$20.43
- WVE®Neutral Safety SwitchBuick Regal 2003, Neutral Safety Switch by WVE®. Location: On Transmission. Connector Type: Female. Terminal: Male. Terminal Quantity: 11. Terminal Type: Blade. Replace your worn-out or faulty component with this quality replacement...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$44.45
- Timken®Automatic Transmission Manual Shaft SealBuick Regal 2003, Automatic Transmission Manual Shaft Seal by Timken®. Width: 0.192". Outside Diameter: 0.756". Housing Bore: 0.751". Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate...Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion$4.70
- ACDelco®Genuine GM Parts™ Automatic Transmission Oil Cooler End FittingBuick Regal 2003, Genuine GM Parts™ Automatic Transmission Oil Cooler End Fitting by ACDelco®. Finish: Silver. Material: Steel. Designed utilizing the latest technology, this product by ACDelco features premium quality and will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$17.46 - $33.57
- TRQ®Automatic Transmission Oil Cooler Hose AssemblyBuick Regal 2003, Automatic Transmission Oil Cooler Hose Assembly by TRQ®. TRQ auto parts are manufactured in state-of-the-art facilities, using the highest quality materials, and rigorously tested to ensure ultimate reliability and...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$38.90$40.95Save 5%
- Four Seasons®Automatic Transmission Oil Cooler Mounting KitBuick Regal 2003, Automatic Transmission Oil Cooler Mounting Kit by Four Seasons®. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts experience, fix it once and fix...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$2.89 - $17.52
- Hayden®Transmission Oil Cooler Fitting KitBuick Regal 2003, Transmission Oil Cooler Fitting Kit by Hayden®. Fitting Size: 3/8". This product is used to easily connect the transmission cooler line to the cooler hose. Manufactured from quality materials to ensure reliable,...Designed to connect the transmission cooler line to the cooler hoseDirect replacement for proper fit$10.61 - $11.74
- Hayden®Transmission Oil Cooler HoseBuick Regal 2003, Transmission Oil Cooler Hose by Hayden®. Covered in Black Hypalon. This part provides a safe heat and oil resistant connecting line between your oil cooler and transmission. Manufactured from black chemigum, the oil...Direct replacement for proper fitMade of black chemigum (nitrile)$9.62
- Dorman®Vehicle Speed SensorBuick Regal 2003, Vehicle Speed Sensor by Dorman®. Package Type: Box. Terminal Type: Two Cavity - Male. Dorman’s quality-engineered Auto Transmission Speed Sensor restores peak transmission function. Plus, your speedometer, cruise...Durable construction ensures accurate readingsDirect replacement for a proper fit every time$15.94
- NTK®Vehicle Speed SensorBuick Regal 2003, Vehicle Speed Sensor by NTK®. Connector Type: Female. Terminal Quantity: 2. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$14.14 - $17.39
- ACDelco®Genuine GM Parts™ Automatic Transmission Oil Cooler Hose ClipBuick Regal 2003, Genuine GM Parts™ Automatic Transmission Oil Cooler Hose Clip by ACDelco®. Length: 0.92". Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.84
- ACDelco®Genuine GM Parts™ Automatic Transmission Oil Cooler Line ConnectorBuick Regal 2003, Genuine GM Parts™ Automatic Transmission Oil Cooler Line Connector by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.58 - $28.94
Shop By Service Type
Transmission Fluid Change
Transmission Oil Cooler Line Replacement
Neutral Safety Switch Replacement
Transmission Oil Cooler Replacement
Vehicle Speed Sensor Replacement
Automatic Transmission Oil Pan Gasket Replacement
Transmission Mount Replacement
Clutch Fluid Change
Transmission Filter Replacement
Transmission Solenoid Replacement
Shift Selector Cable Replacement
2003 Buick Regal Transmission Reviews
1 review
Posted by Alan (Saint Paul, MN) / August 21, 20212015 Toyota Venza
2003 Buick Regal Models
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