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2021 Toyota Tundra

2021 Toyota Tundra Coolant Reservoir Caps

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Coolant Reservoir Cap - Direct Fit, Sold individually
Part Number: MRDT37
Guaranteed to Fit
$7.99
Vehicle Fitment
  • 2021 Toyota Tundra Limited 8 Cyl 5.7L Relief pressure 16 lb.
  • 2021 Toyota Tundra TRD Off-Road 8 Cyl 5.7L Relief pressure 16 lb.
  • 2021 Toyota Tundra Platinum 8 Cyl 5.7L Relief pressure 16 lb.
  • 2021 Toyota Tundra SR 8 Cyl 5.7L Relief pressure 16 lb.
  • 2021 Toyota Tundra Base 8 Cyl 5.7L Relief pressure 16 lb.
  • 2021 Toyota Tundra TRD Pro 8 Cyl 5.7L Relief pressure 16 lb.
  • 2021 Toyota Tundra Nightshade 8 Cyl 5.7L Relief pressure 16 lb.
  • 2021 Toyota Tundra TRD Off-Road Premium 8 Cyl 5.7L Relief pressure 16 lb.
  • 2021 Toyota Tundra 1794 Edition 8 Cyl 5.7L Relief pressure 16 lb.
  • 2021 Toyota Tundra SR5 8 Cyl 5.7L Relief pressure 16 lb.
  • 2021 Toyota Tundra Trail 8 Cyl 5.7L Relief pressure 16 lb.
  • 2021 Toyota Tundra TRD Sport Premium 8 Cyl 5.7L Relief pressure 16 lb.
Product Details
Notes : 16 PSI; 1.97 in. Width; 1.30 in. Valve OD; 0.85 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 : Metal and RubberRecommended Use : OE ReplacementProduct Fit : Direct Fit
Coolant Reservoir Cap - Direct Fit, Sold individually
Part Number: MRDST37
Guaranteed to Fit
$12.49
Vehicle Fitment
  • 2021 Toyota Tundra Limited 8 Cyl 5.7L Relief Pressure 16 Lb
  • 2021 Toyota Tundra TRD Off-Road 8 Cyl 5.7L Relief Pressure 16 Lb
  • 2021 Toyota Tundra Platinum 8 Cyl 5.7L Relief Pressure 16 Lb
  • 2021 Toyota Tundra SR 8 Cyl 5.7L Relief Pressure 16 Lb
  • 2021 Toyota Tundra Base 8 Cyl 5.7L Relief Pressure 16 Lb
  • 2021 Toyota Tundra TRD Pro 8 Cyl 5.7L Relief Pressure 16 Lb
  • 2021 Toyota Tundra Nightshade 8 Cyl 5.7L Relief Pressure 16 Lb
  • 2021 Toyota Tundra TRD Off-Road Premium 8 Cyl 5.7L Relief Pressure 16 Lb
  • 2021 Toyota Tundra 1794 Edition 8 Cyl 5.7L Relief Pressure 16 Lb
  • 2021 Toyota Tundra SR5 8 Cyl 5.7L Relief Pressure 16 Lb
  • 2021 Toyota Tundra Trail 8 Cyl 5.7L Relief Pressure 16 Lb
  • 2021 Toyota Tundra TRD Sport Premium 8 Cyl 5.7L Relief Pressure 16 Lb
Product Details
Notes : 16 PSI; 1.65 in. Width; 1.24 in. Cap Depth; Quick Pressure ReleaseWarranty : 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, Rubber, and SteelRecommended Use : OE ReplacementProduct Fit : Direct Fit
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Product Questions & Answers

Q:Is this a push on or screw on cap?
Catie V.
A:BEST ANSWERHi Catie, thanks for initiating contact. This is a screw-on cap. This type of cap is designed to securely attach to the coolant reservoir, ensuring proper sealing and pressure regulation within the cooling system. If your vehicle information matches this product, use the link below to order while the part is in stock. Enjoy shopping! https://www.carparts.com/coolant-reservoir-cap/motorad/mrdt37?can=CPGG4850_CSQA_20240816 Show less
Grace G.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

Is Coolant the Same as Antifreeze? Plus Other Related Questions Answered
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