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2018 GMC Sierra 1500

2018 GMC Sierra 1500 Coolant Reservoir Caps

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Coolant Reservoir Cap - Sold individually
Part Number: ACRC118
Guaranteed to Fit
$7.49
Vehicle Fitment
  • 2018 GMC Sierra 1500 Base 6 Cyl 4.3L
  • 2018 GMC Sierra 1500 Denali 8 Cyl 5.3L
  • 2018 GMC Sierra 1500 Base 8 Cyl 5.3L
  • 2018 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2018 GMC Sierra 1500 SLE 6 Cyl 4.3L
  • 2018 GMC Sierra 1500 Denali 8 Cyl 6.2L
  • 2018 GMC Sierra 1500 SLT 8 Cyl 6.2L
  • 2018 GMC Sierra 1500 SLE 8 Cyl 5.3L
Product Details
Warranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Coolant Reservoir Cap - Direct Fit, Sold individually
Part Number: MRDT46
Guaranteed to Fit
$6.49
Vehicle Fitment
  • 2018 GMC Sierra 1500 Base 8 Cyl 5.3L Relief Pressure 15 lb.; Replaces Cap Located On Reservoir
  • 2018 GMC Sierra 1500 Denali 8 Cyl 6.2L Relief Pressure 15 lb.; Replaces Cap Located On Reservoir
  • 2018 GMC Sierra 1500 SLT 8 Cyl 6.2L Relief Pressure 15 lb.; Replaces Cap Located On Reservoir
  • 2018 GMC Sierra 1500 SLE 6 Cyl 4.3L Relief Pressure 15 lb.; Replaces Cap Located On Reservoir
  • 2018 GMC Sierra 1500 Denali 8 Cyl 5.3L Relief Pressure 15 lb.; Replaces Cap Located On Reservoir
  • 2018 GMC Sierra 1500 SLE 8 Cyl 5.3L Relief Pressure 15 lb.; Replaces Cap Located On Reservoir
  • 2018 GMC Sierra 1500 SLT 8 Cyl 5.3L Relief Pressure 15 lb.; Replaces Cap Located On Reservoir
  • 2018 GMC Sierra 1500 Base 6 Cyl 4.3L Relief Pressure 15 lb.; Replaces Cap Located On Reservoir
Product Details
Notes : 16 PSI; 1.94 in. Width; 1.20 in Filler Neck Inside Diameter; 1.50 in Cap DepthWarranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material : Plastic and RubberRecommended Use : OE ReplacementProduct Fit : Direct FitColor Finish : Black
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Is Coolant the Same as Antifreeze? Plus Other Related Questions AnsweredIf you go to purchase a gallon of coolant, there’s a good chance it will say anti-freeze/coolant on the side. Over the years, the automotive industry has adopted the trend of using these two terms interchangeably. But as was mentioned, anti-freeze is, in fact, one of the ingredients that make