Description
HKT Toyota 1.1 Bar Radiator Cap (16401-30020 / C-13D) delivers OE-matched reliability for Toyota 4Runner (2009–2014), FJ Cruiser (2009–2014), Tacoma (2009–2016), and Hilux (1997–2001) models. Manufactured in Japan to stringent ISO standards, this critical component maintains optimal system pressure—raising coolant’s boiling point by 20°C—to prevent overheating in Kenya’s demanding climates. Featuring dual-valve technology (pressure relief + vacuum seal), it ensures contaminant-free coolant circulation, protects hoses from pressure surges, and directs excess fluid to the expansion tank. With corrosion-resistant brass components and durable EPDM seals, this cap extends radiator life while providing a leak-proof fit for petrol and diesel engines. Trust HKT, a global leader in thermal management, for unmatched durability backed by a 1-year warranty.
Key Features
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Precision Fitment: Direct replacement for Toyota OEM 16401-30020 (supersedes 16401-0C050, 16401-46610). Compatible with 4Runner (2.7L/4.0L/4.7L), FJ Cruiser (4.0L), Tacoma (2.7L/3.5L/4.0L), and Hilux 2.4L Diesel (1997–2001).
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Optimized Pressure Control: 1.1 bar (16 psi) rating elevates coolant boiling point to 128°C, preventing vapor lock and engine overheating during heavy loads or off-road use.
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Dual-Valve Technology: Main pressure valve releases excess coolant to the expansion tank; vacuum valve prevents hose collapse during cooldown, ensuring system integrity.
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Robust Construction: Brass base and stem resist corrosion from acidic coolants. High-temp EPDM seals maintain compression at 140°C+.
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Easy Installation: Plug-and-play design—no tools required. Pre-lubricated gasket ensures airtight sealing.
Technical Data
| Parameter | Specification |
|---|---|
| HKT Part No. | C-13D |
| OEM Part No. | 16401-30020 (also 16401-31520, 1640130020) |
| Pressure Rating | 1.1 Bar (16 psi) |
| Material | Brass Body + EPDM Seals |
| Temperature Range | -40°C to +140°C |
| Weight | 0.04 kg |
| Warranty | 1 year |
| Key Fitment | Toyota 4Runner (2009–2014), FJ Cruiser (2009–2014), Tacoma (2009–2016), Hilux 2.4L Diesel (1997–2001) |



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