Top 10 Miata Radiator Cap – Automotive Replacement Radiator Standard

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1. Mishimoto


Mishimoto MMRC-13-SM High-Pressure 1.3 Bar Radiator Cap Small

Mishimoto #ad - Installing a new cap can prevent overheating and cooling system failure. Mishimoto Lifetime Warranty. Pressure tolerance: 1. 3 bar / fits: 31-32mm fill necks / Note: Will not fit stock KTM radiators. Raises the boiling point of engine coolant to provide a safer and more efficient cooling system. Ergonomically designed for easy removal and installation.
BrandMishimoto #ad
ManufacturerMishimoto #ad
Height7.62 Inches
Length2.54 Inches
Weight0.09 Pounds
Width2.54 Inches
Part NumberMMRC-13-SM
WarrantyLimited Lifetime



Radiator Cap,Compatible with 16401-63010 16401-71010 16401-73010 1306J1 051-027-001

ZIMGLOBAL #ad - A faulty radiator cap can have a huge impact on the cooling performance of your vehicle, once you have a replacement and your engine is cool, and install the new by screwing it on. Honda kia mazda Nissan Opel Hyundai Toyota Suzuki.

Made of high-quality materials that meet OE standards. Brand new and never used parts. Oem:1306j1 / 1647187402000 / 1640187402000 / 1609680180 / 1455876 / 4137897 / 4026783 / 1351958 / f87h8100aa/16401-15210, 16401-63010, 16401-87711-000, 16401-73010, 16401-87712, 16401-54750, 16401-87401-000, 16401-87401, 16401-87711, 16401-87710-000, 16401-15210-000, 16401-87602-000, 16401-71010, 16401-87710, 16401-74170, 16401-87712-000.

Regulators-built to strict quality control standards, hassle-free return and money back policy, 1 years warranty, buy with confidence!. It is extremely important to always make sure to allow the engine to cool down before removing the radiator cap, simply unscrew the old cap, as removing the cap from a hot system can cause sudden coolant spray and severe burns.
ManufacturerZIMGLOBAL #ad
Height0.9 Inches
Length2.56 Inches
Width1.77 Inches
Part NumberHM-004-01

3. MotoRad



MotoRad #ad - Easy installation and removal. Meets all OEM specifications. Quality tested. 100% tested to ensure proper pressure and longevity. Maintains proper cooling system pressure.
BrandMotoRad #ad
ManufacturerMotorad #ad
Height2.69 Inches
Length2.94 Inches
Weight0.1 Pounds
Width2.52 Inches
Part NumberT13R

4. Mazda


Mazda KL01-15-205 Radiator Cap

Mazda #ad - Package dimensions: 2. 6 l x 107 h x 8. 7 w centimeters. Genuine OEM Part. Fit type: Vehicle Specific. Package weight: 0034 kilograms.
BrandMazda #ad
ManufacturerMazda #ad
Height4 Inches
Length6 Inches
Width4 Inches
Part NumberKL01-15-205
WarrantyManufacturer Warranty

5. Gates


Gates 31336 Radiator Cap

Gates #ad - The package width of the Product is 5. 58 inches. The package length of the Product is 7. 53 inches. Country of Origin : China. The package height of the Product is 3. 02 inches.
BrandGates #ad
Manufacturernobrandname #ad
Height3 Inches
Length3 Inches
Weight0.02 Pounds
Width3 Inches
Part Number31336

6. Stant


Black 10233, Stant Radiator Cap

Stant #ad - 16 psi mini radiator cap. Made of quality material. Fit type: Vehicle Specific. Will bring coolant back from the overflow tank. Fits 32 mm id, 16 mm deep neck.
BrandStant #ad
ManufacturerSTANT #ad
Height2.63 inches
Length2.63 inches
Weight0.1 Pounds
Width2.63 inches
Part Number10233
Warranty1 year manufacturer

7. ACDelco


ACDelco GM Original Equipment RC27 15 P.S.I. Radiator Cap

ACDelco #ad - Seal and pressurize your vehicle’s cooling system as the radiator transfers heat from the engine’s coolant to the outside air. Manufactured to meet expectations for fit, form, and function. Fit most models of gm vehicles on the road today for more coverage. Fit type: Vehicle Specific. Professional, premium aftermarket replacement radiator cap. Provides the performance and dependability you expect from acdelco.
BrandACDelco #ad
ManufacturerACDelco #ad
Height1.5 Inches
Length2.5 Inches
Weight0.1 Pounds
Width2.4 Inches
Part NumberRC27
Warranty24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see for more details.

8. Dorman


Dorman 54237 Radiator Cap

Dorman #ad - Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage. Restores functionality - reliable replacement for an original cap that is missing, leaking or failed due to gasket fatigue and heat.

Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience. Durable construction - this part is made from quality materials to ensure reliable performance and long service life. Direct replacement - this radiator cap is designed to match the fit and function of the original cap on specified vehicles.
BrandDorman #ad
ManufacturerDorman - HELP #ad
Height1.19 Inches
Length2.57 Inches
Weight0.07 Pounds
Width2.57 Inches
Part Number54237
WarrantyLimited Lifetime Warranty

9. Stant


Stant Radiator Cap

Stant #ad - Will bring coolant back from the overflow tank. 13 psi mini radiator cap. Made of quality material. Fits 32 mm id, 16 mm deep neck.
BrandStant #ad
ManufacturerRAD CAP #ad
Height2.6 Inches
Length2.6 Inches
Weight0.1 Pounds
Width2.6 Inches
Part Number10227

10. Stant


Black, Stant Radiator Cap

Stant #ad - Will bring back coolant from the overflow tank. For open or closed system. Fit type: Vehicle Specific. 13 psi lev-r-vent radiator cap in "A" size.
BrandStant #ad
ManufacturerStant #ad
Height1.9 Inches
Length3.1 Inches
Weight0.05 Pounds
Width2.9 Inches
Part Number10333