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2003 Chevrolet Silverado 1500 Expansion Tank Cap

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We have 10 expansion tank cap products to choose from for your 2003 Chevrolet Silverado 1500, and our low-cost options range from $5.18 up to $22.95

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Stant Expansion Tank Cap 3695-05581830 Click to Enlarge
5 Stars
Stant 10248
Expansion Tank Cap
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Stant Expansion Tank Cap
Part Number: 3695-05581830
Brand: Stant
Notes: OE Type Reservoir Cap -- Pressure Rating 15 psi
Condition: New
Shipping Options: Ground
$6.18
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Chevrolet Silverado 1500
Stant Expansion Tank Cap 3695-05581830 Click to Enlarge
5 Stars
Stant 10248
Expansion Tank Cap
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Stant Expansion Tank Cap
Part Number: 3695-05581830
Brand: Stant
Notes: OE Type Reservoir Cap -- Pressure Rating 15 psi; This part is also available in the Engine Coolant Thermostat Kit 102KT, which contains 14298 (Engine Coolant Thermostat / Water Outlet Assembly) and 74050 (Engine Coolant Temperature Sensor)
Condition: New
Shipping Options: Ground
$6.18
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Chevrolet Silverado 1500
API Expansion Tank Cap 3695-07623288 Click to Enlarge
5 Stars
API 1678-290343
Expansion Tank Cap
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API Expansion Tank Cap
Part Number: 3695-07623288
Brand: API
Notes: Engine Coolant Reservoir Cap -- Standard; 15 lb
Condition: New
Shipping Options: Ground
$6.98
(25) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2003 Chevrolet Silverado 1500 4.8L V8
2003 Chevrolet Silverado 1500 4.3L V6
2003 Chevrolet Silverado 1500 6.0L V8
2003 Chevrolet Silverado 1500 5.3L V8
AC Delco Expansion Tank Cap W0133-1685730 Click to Enlarge
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AC Delco Expansion Tank Cap
Part Number: W0133-1685730
Brand: AC Delco
Notes: Genuine GM
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$18.43
Our Price: $13.58
(41) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Silverado 1500
Dorman Expansion Tank Cap 3695-05371344 Click to Enlarge
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Dorman Expansion Tank Cap
Part Number: 3695-05371344
Brand: Dorman
Notes: Engine Coolant Reservoir Cap -- 15 psi
  • Directly replaces a cracked or lost original cap
  • Application specific - made to match dimensions of reservoir cap on only certain vehicle years, makes and models
  • Seamless fit - reverse-engineered from the original equipment to fit perfectly
  • Excellent value - a quick, easy replacement that's less expensive than going back to the dealership
Condition: New
Package Contents: 1 Coolant Cap
Color: Black
Shipping Options: Ground
$10.18
(14) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Chevrolet Silverado 1500
Dorman Expansion Tank Cap 3695-05571717 Click to Enlarge
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Dorman Expansion Tank Cap
Part Number: 3695-05571717
Brand: Dorman
Notes: Engine Coolant Reservoir Cap -- 15 psi
  • Directly replaces a cracked or lost original cap
  • Application specific - made to match dimensions of reservoir cap on only certain vehicle years, makes and models
  • Seamless fit - reverse-engineered from the original equipment to fit perfectly
  • Excellent value - a quick, easy replacement that's less expensive than going back to the dealership
Condition: New
Package Contents: 1 Coolant Tank Cap
Color: Black
Shipping Options: Ground
$11.18
(5) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Chevrolet Silverado 1500
Dorman Expansion Tank Cap 3695-05317363 Click to Enlarge
Website Reviews
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Dorman Expansion Tank Cap
Part Number: 3695-05317363
Brand: Dorman
Notes: Engine Coolant Reservoir Cap -- 15 psi
  • Directly replaces a cracked or lost original cap
  • Application specific - made to match dimensions of reservoir cap on only certain vehicle years, makes and models
  • Seamless fit - reverse-engineered from the original equipment to fit perfectly
  • Excellent value - a quick, easy replacement that's less expensive than going back to the dealership
Condition: New
Package Contents: 1 Coolant Tank Cap
Color: Black
Shipping Options: Ground
$11.18
(5) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Chevrolet Silverado 1500
Dorman Expansion Tank Cap W0133-2213146 Click to Enlarge
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Dorman Expansion Tank Cap
Part Number: W0133-2213146
Brand: Dorman
Notes: HD Solutions
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$18.43
Our Price: $14.58
(3) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Silverado 1500
Motorad Expansion Tank Cap 3695-09079047 Click to Enlarge
5 Stars
Motorad T46
Expansion Tank Cap
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Motorad Expansion Tank Cap
Part Number: 3695-09079047
Brand: Motorad
Notes: Standard -- Relief pressure 15 lb
  • Maintains proper cooling system pressure
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
  • Easy installation and removal
Condition: New
Meets or Exceeds OEM Specifications: Yes
Type: Standard
Shipping Options: Ground
$7.83
(4) In Stock
This Part Fits:
Catalog: H
Vehicle Engine
2003 Chevrolet Silverado 1500 4.3L V6
2003 Chevrolet Silverado 1500 4.8L V8
2003 Chevrolet Silverado 1500 5.3L V8
2003 Chevrolet Silverado 1500 6.0L V8
APA/URO Parts Expansion Tank Cap 3695-06041879 Click to Enlarge
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APA/URO Parts Expansion Tank Cap
Part Number: 3695-06041879
Brand: APA/URO Parts
Notes: Engine Coolant Reservoir Cap
Condition: New
Shipping Options: Ground
$5.18
(2) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Chevrolet Silverado 1500