Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
My Vehicle Change Vehicle
2003 Buick Regal
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Cooling Systems, Fans & Radiators
  • Department
  • Max Pressure
  • Brands
  • Prices

7 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2003 Buick Regal Reservoir Cap

    PartNumber: 10322539
    OEM 2003 Buick Regal Reservoir Cap - 10322539
    Product Specifications
    • Other Names: Cap, Radiator Cap, Reservoir Cap
    • Item Dimensions: 7.5 x 3.0 x 0.4 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10291660
    • Part Description: 2003 Buick Regal Reservoir Cap
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
    $7.70 MSRP: $13.92
    You Save: $6.22 (45%)
  • Gates Engine Coolant Safety Release Radiator Cap for 2003 Buick Regal - 31516

    Gates® Engine Coolant Safety Release Radiator Cap for 2003 Buick Regal

    PartNumber: 31516
    Product Specifications
    • Notes: 16 psi Pressure Rating
    • Cap Depth: 1.5 in
    • Coolant Recovery System: Optional System
    • Filler Neck Depth: 0.75 in
    • Filler Neck Inside Diameter: 1.61 in
    • Filler Neck Outside Diameter: 2.13 in
    • Pressure Rating: 16 psi
    • SAE Pressure Range: 14-18 psi
    • Shell Diameter: 2.61 in
    • UPC: 072053114898
    • Part Description: 2003 Buick Regal Engine Coolant Safety Release Radiator Cap
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | All Trims | 6 Cyl 3.8L
    $6.73
  • OEM (Genuine) 2003 Buick Regal Filler Cap

    PartNumber: 25730158
    OEM 2003 Buick Regal Filler Cap - 25730158
    Product Specifications
    • Notes: All Models; W/Dex-Cool Label
    • Other Names: Filler Cap, Radiator Cap
    • Item Dimensions: 3.7 x 3.6 x 2.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Buick Regal Filler Cap
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | GS, LS | 6 Cyl 3.8 L GAS
    $11.54 MSRP: $20.85
    You Save: $9.31 (45%)
  • Gates Engine Coolant Replacement Radiator Cap for 2003 Buick Regal - 31523

    Gates® Engine Coolant Replacement Radiator Cap for 2003 Buick Regal

    PartNumber: 31523
    Product Specifications
    • Notes: 16 psi Pressure Rating
    • Cap Depth: 1.25 in
    • Coolant Recovery System: Optional System
    • Filler Neck Depth: 0.75 in
    • Filler Neck Inside Diameter: 1.61 in
    • Filler Neck Outside Diameter: 2.13 in
    • OE Comparison Rating: OE Performance
    • Pressure Rating: 16 psi
    • SAE Pressure Range: 14-18 psi
    • Shell Diameter: 2.33 in
    • UPC: 072053114881
    • Part Description: 2003 Buick Regal Engine Coolant Replacement Radiator Cap
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | All Trims | 6 Cyl 3.8L
    $4.48
  • STANT Engine Coolant Radiator Cap for 2003 Buick Regal - 10230

    STANT® Engine Coolant Radiator Cap for 2003 Buick Regal

    PartNumber: 10230
    Product Specifications
    • Notes: Pressure Rating 16 psi; Part Replacement Replaces 48349
    • Cap Depth: 1.25"
    • Filler Neck Depth: 0.75"
    • Filler Neck Inside Diameter: 1.61"
    • Filler Neck Outside Diameter: 2.13"
    • OE Part Number: 11531486703, 11171100848, 17111468060, 4596444AA, 5278697AA, 4592098, 05278697AA, 52014479AA, 04596444AA, 5191233AA, 04693175AA, 4693175, 5086226AA, 5352594, F4TZ8100B, FIVH8100BA, F1VY8100B, E9DZ8100A, F47H8100AB, 5-21450-002-1, 9-21450-610-0, 8-94228-74
    • Pressure: 16 psi
    • Shell Diameter: 2.33"
    • Type: Optional System
    • UPC: 033342001305
    • Part Description: 2003 Buick Regal Engine Coolant Radiator Cap
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | All Trims | 6 Cyl 3.8L
  • STANT Engine Coolant Radiator Cap for 2003 Buick Regal - 10231

    STANT® Engine Coolant Radiator Cap for 2003 Buick Regal

    PartNumber: 10231
    Product Specifications
    • Notes: Pressure Rating 16 psi; Part Replacement Replaced by 10230
    • Cap Depth: 1.25"
    • Filler Neck Depth: 0.75"
    • Filler Neck Inside Diameter: 1.61"
    • Filler Neck Outside Diameter: 2.13"
    • OE Part Number: 55111074AA, 5352954, 55111074AB, 52079880AA, J5352954, 4677493AA, 4039936, 3781830, 3412851, 4266968, 4401493, 3673891, 3574154, 4140464, 2998982, 5017468AA, J5358177, 4266441, 4682828, J5900584, 5900584, E2FZ8100A, E6DZ8100B, E1FZ8100A, D7AZ8100A, E6LY81
    • Pressure: 16 psi
    • Shell Diameter: 2.33"
    • Type: Optional System
    • UPC: 033342001312
    • Part Description: 2003 Buick Regal Engine Coolant Radiator Cap
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | All Trims | 6 Cyl 3.8L
  • STANT Engine Coolant Radiator Cap for 2003 Buick Regal - 10331

    STANT® Engine Coolant Radiator Cap for 2003 Buick Regal

    PartNumber: 10331
    Product Specifications
    • Notes: Pressure Rating 16 psi
    • Cap Depth: 1.5"
    • Filler Neck Depth: 0.75"
    • Filler Neck Inside Diameter: 1.61"
    • Filler Neck Outside Diameter: 2.13"
    • Pressure: 16 psi
    • Shell Diameter: 2.61"
    • Type: Optional System
    • UPC: 033342002319
    • Part Description: 2003 Buick Regal Engine Coolant Radiator Cap
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | All Trims | 6 Cyl 3.8L