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Genuine Nissan Frontier Coolant Reservoir Cap

Coolant Overflow Reservoir Cap
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3 Coolant Reservoir Caps found

  • Diagram for Nissan Frontier Coolant Reservoir Cap - 21430-D995A
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    Nissan Frontier Radiator Cap Assembly

    Part Number: 21430-D995A
    $23.14 MSRP: $30.38
    You Save: $7.24 (24%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: Cap-Reservoir Tank; Cap, Reservoir Cap
    • Warranty: This genuine part is guaranteed by Nissan's factory warranty.
    Fits the following Vehicles:
    • 2010-2025 Nissan Frontier | Desert Runner, Hardbody Edition, LE, Off-Road, PRO-4X, PRO-X, S, SE, SL, SV, XE | 4 Cyl 2.5 L GAS, 4 Cyl 2.5L, 6 Cyl 3.8 L GAS, 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 6 Cyl 4.0L | QR25DE, VQ40DE
  • Diagram for Nissan Frontier Coolant Reservoir Cap - 21430-1P111
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    Nissan Frontier Cap Radiator

    Part Number: 21430-1P111
    $19.27 MSRP: $25.92
    You Save: $6.65 (26%)
    Ships in 1 Business Day
    ADD TO CART
    Product Specifications
    • Other Name: Cap-Reservoir Tank; Cap, Reservoir Cap
    • Warranty: This genuine part is guaranteed by Nissan's factory warranty.
    Fits the following Vehicles:
    • 2005-2011 Nissan Frontier | LE, Off-Road, SE, SL, SV, XE | 4 Cyl 2.5L, 6 Cyl 4.0L | QR25DE, VQ40DE
  • Diagram for Nissan Frontier Coolant Reservoir Cap - 21712-S3800
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    Nissan Frontier Map-Reservoir Tank

    Part Number: 21712-S3800
    $9.66 MSRP: $12.68
    You Save: $3.02 (24%)
    Ships in 1-3 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Cap-Reservoir Tank; Cap, Reservoir Assembly Cap, Reservoir Cap
    • Manufacturer Note: USA MAKE
    • Warranty: This genuine part is guaranteed by Nissan's factory warranty.
    Fits the following Vehicles:
    • 1998-2004 Nissan Frontier | SC, SE, STD, XE | 4 Cyl 2.4L, 6 Cyl 3.3L | KA24DE, VG33E

Nissan Frontier Coolant Reservoir Cap

The Nissan Frontier Coolant Reservoir Cap is designed to maintain a seal on the overflow tank so pressure can remain constant and fluctuations in temperature do not generate any leaks. The Coolant Reservoir Cap of Nissan Frontier has been trusted by drivers in three generations. It inhibits liquid coolant from boiling over. This prevents any wastage of fluid. The caps also keep nearby parts safe from corrosive drops. A highly calibrated spring fitted inside the Coolant Reservoir Cap opens only at the threshold set by the manufacturer, allowing the venting of the expanded fluid. Subsequently, the spring snaps back, closing the valve as temperatures drop. The vacuum then draws coolant back into the engine while the shut-off valve effectively blocks air pockets that could otherwise cause rusting damage to the metal. Because it maintains steady pressure, the Coolant Reservoir Cap promotes ideal engine temperatures. This allows for smooth power delivery and strong fuel economy whether the Frontier is making its way around the city or cruising on the highway. Regardless of the owner piloting an early D22, the robust D40, or the modern D23, fitment is simple. The threads and gasket dimensions of the Coolant Reservoir Cap match every Nissan Frontier radiator neck, so weekend swaps are quick and tool light. Since the original 1997 Nissan Frontier and all the way to the recent 2022 update, the same spec Coolant Reservoir Cap does its trustworthy thing. It is noticed during a routine check that, as long as the Coolant Reservoir Cap remains clean and its rubber seal intact, the Nissan Frontier cooling loop holds factory pressure. While many owners choose the lighter composite version, others prefer the classic metal shell. Nevertheless, both styles of Coolant Reservoir Cap will have the same durability ratings and identical performance profiles. Whether on sandy, scorching, and windy deserts or raindrop-slicked streets, the Frontier keeps truck engines cool while every driver trusts their ride to get the job done thanks to this little wonder.

If you need any OEM Nissan Frontier Coolant Reservoir Cap, feel free to choose them out of our huge selection of genuine Nissan Frontier Coolant Reservoir Cap. All our parts are offered at unbeatable prices and are supported by the manufacturer's warranty. In addition, we offer quick shipping to have your parts delivered to your door step in a matter of days.

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