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1990 GMC K1500 Expansion Tank Cap

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Gates Expansion Tank Cap
Gates logo Gates Expansion Tank Cap Click to Enlarge
(Read reviews)
Our List Price: $5.83
(3) In Stock
Part Number: 4021-09149844
Notes: OE Type Radiator Cap -- 0 psi Pressure Rating
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1990 GMC K1500 4.3L V6 GAS 
1990 GMC K1500 5.0L V8 GAS 
1990 GMC K1500 5.7L V8 GAS 
1990 GMC K1500 6.2L V8 DIESEL 

Stant Expansion Tank Cap
Stant logo Stant Expansion Tank Cap Click to Enlarge
(1 Reviews)
5 Stars
Stant 10236
Expansion Tank Cap
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Our List Price: $4.18
(21) In Stock
Part Number: 4021-05066134
Notes: OE Type Reservoir Cap
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
1990 GMC K1500 4.3L V6 
1990 GMC K1500 5.0L V8 
1990 GMC K1500 5.7L V8 
1990 GMC K1500 6.2L V8 

Dorman Expansion Tank Cap
Dorman logo Dorman Expansion Tank Cap Click to Enlarge
(1 Reviews)
3 Stars
Dorman 82590
Expansion Tank Cap
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Our List Price: $5.18
(7) In Stock
Part Number: 4021-05371340
Notes: Engine Coolant Reservoir Cap -- Screw On Cap; Without Vented Cap
Features:
  • 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

Color Black
Package Contents 1 Coolant Cap

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
1990 GMC K1500

Dorman Expansion Tank Cap
Dorman logo Dorman Expansion Tank Cap Click to Enlarge
(Read reviews)
Our List Price: $12.18
(8) In Stock
Part Number: 4021-05942339
Notes: Engine Coolant Reservoir Cap -- With Turning Ears
Features:
  • 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
This Part Fits: Catalog: B
Vehicle
1990 GMC K1500

Dorman Expansion Tank Cap
Dorman logo Dorman Expansion Tank Cap Click to Enlarge
(1 Reviews)
5 Stars
Dorman 82601
Expansion Tank Cap
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Our List Price: $7.18
(5) In Stock
Part Number: 4021-05371348
Notes: Engine Coolant Reservoir Cap -- With Vented Cap; Snap On Cap
Features:
  • 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
This Part Fits: Catalog: B
Vehicle
1990 GMC K1500

Dorman Expansion Tank Cap
Dorman logo Dorman Expansion Tank Cap Click to Enlarge
(3 Reviews)
5 Stars
Dorman W0133-1819541
Expansion Tank Cap
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Product List Price:
$18.86
Our List Price: $7.58
(2) In Stock
Part Number: W0133-1819541
Notes: w/ OEM #15989074 (Orange Letters) (Use together w/ 15650373 Reservoir)
Features:
  • Save time, money and labor by replacing only the Cap - instead of the entire Engine Coolant Recovery Tank
  • Direct replacement for a proper fit every time
  • A necessary safety item - prevents coolant from splashing and/or leaking
  • Available in diverse styles, including screw-on and snap-on
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
1990 GMC K1500

Motorad Expansion Tank Cap
Motorad logo Motorad Expansion Tank Cap Click to Enlarge
(Read reviews)
Our List Price: $4.83
(19) In Stock
Part Number: 4021-09079030
Notes: Standard -- Relief pressure N/A
Features:
  • Easy installation and removal
  • Maintains proper cooling system pressure
  • Meets all OEM specifications
  • 100% tested to ensure proper pressure and longevity
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
1990 GMC K1500 4.3L V6 
1990 GMC K1500 5.0L V8 
1990 GMC K1500 5.7L V8 
1990 GMC K1500 6.2L V8 

AC Delco Expansion Tank Cap
AC Delco logo
AC Delco Expansion Tank Cap
Click to Enlarge
(1 Reviews)
3 Stars
AC Delco RC77
Expansion Tank Cap
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Our List Price: $11.73
(7) In Stock
Part Number: 4021-07330895
Notes: GM Original Equipment -- New
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: N
Vehicle
1990 GMC K1500

AC Delco Expansion Tank Cap
AC Delco logo AC Delco Expansion Tank Cap Click to Enlarge
(Read reviews)
Our List Price: $12.18
(4) In Stock
Part Number: 4021-05713551
Notes: GM Original Equipment -- New; USE TOGETHER WITH 15650373 RESERVOIR. REPLACES GREEN LETTERS.; ORANGE LETTERING
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
1990 GMC K1500

Motorad Expansion Tank Cap
Motorad logo Motorad Expansion Tank Cap Image is not vehicle specific
(Read reviews)
Product List Price:
$14.05
Our List Price: $7.58

Out of Stock
Part Number: W0133-1983812
Notes: w/ OEM #15630112
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
1990 GMC K1500

Stant Expansion Tank Cap
Stant logo Stant Expansion Tank Cap Click to Enlarge
(Read reviews)
Product List Price:
$14.05
Our List Price: $6.58

Out of Stock
Part Number: W0133-1983812
Notes: OE Type - w/ OEM #15630112
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
1990 GMC K1500

AC Delco Expansion Tank Cap
AC Delco logo AC Delco Expansion Tank Cap Click to Enlarge
(1 Reviews)
3 Stars
AC Delco RC77
Expansion Tank Cap
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Our List Price: $10.18

Out of Stock
Part Number: 4021-05415046
Notes: GM Original Equipment -- New
Condition: New

Shipping Options:
Ground
Must be purchased in quantities of 5
This Part Fits: Catalog: B
Vehicle
1990 GMC K1500