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Thermostats & Caps

ACDelco has a full line of high-quality Thermostats and Caps for nearly all GM vehicles on the road today. Available in GM Genuine and Gold (Professional) product lines, our thermostats cover a wide range of designs and temperature ratings, and styles from economy to heavy-duty to meet customers’ needs. We also offer gas caps, radiator caps and oil filter/breather caps to replace worn original equipment. 


Gold (Professional)  Radiator Caps
With a full range of part numbers to fit most GM vehicles, ACDelco Gold (Professional) Radiator Caps offer customers an ideal replacement for their worn OE part. Built to our demanding specifications, ACDelco Gold (Professional) Radiator Caps give you our legendary quality at a competitive price.

FEATURES & BENEFITS
  • Standard Type Radiator Cap: Wide range available that fits most vehicles on the road
  • Safety Release Radiator Cap: Let’s you release the pressure prior to taking off the caps
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Gold (Professional) Thermostats
With a full line of more than 300 budget-friendly part numbers, ACDelco has a Thermostat and Cap for most GM vehicles on the road today. Engineered to work with your car, truck or SUV, ACDelco Gold (Professional) Thermostats come in a variety of designs and temperature ratings to meet your needs. The line also includes gas caps, radiator caps and oil filter/breather caps to replace your worn original equipment.

FEATURES & BENEFITS
  • Engineered to like-type OE standards
  • ACDelco thermostats come in a wide variety of designs and temperature ratings
  • Premium Line Thermostats: Heavier-duty components and greater flow rates than standard line thermostats
  • Value Line Thermostats: Good-quality thermostats for the value conscious customer
  • Heavy-Duty Thermostats: For off-road and heavy-duty trucks
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Gold (Professional) Fuel or Gas Caps
ACDelco has a wide range of fuel and gas caps to replace or upgrade original equipment. From Regular Fuel Caps, Locking Fuel Caps, Locking Fuel Caps All Keyed Alike, E85 Yellow Gas Caps and Locking Gas Caps, to Gas Cap Testers and Oil Filter or Breather Caps, we've got the products commonly needed - with the quality that comes with the ACDelco name.

FEATURES & BENEFITS
  • Regular Fuel Cap: Designed to meet all your vehicle’s requirements 
  • Locking Fuel Caps: Same features as Regular Fuel Cap with the added benefit of a lock
  • Locking Fuel Caps All Keyed Alike: Customers with multiple vehicles can open them with a single key
  • E85 Yellow Gas Caps and Locking Gas Caps: Designed for ethanol and FlexFuel vehicles
  • Gas Cap Tester: Let’s you identify fuel caps that are not in compliance
  • Oil Filter or Breather Caps: Full line available to meet demands of almost any make or model

See your local ACDelco parts supplier for warranty details or visit our Parts Warranty page.