A’PEXi GT-Spec Radiator CapThe A’PEXi GT-Spec Radiator Cap is a high-performance replacement designed to enhance your vehicle’s cooling efficiency and reliability. Engineered to hold 1.3 kg/cm² (127kpa) of pressure, this cap increases the boiling point of the coolant, allowing your cooling system to operate more effectively under demanding conditions, from spirited street driving to high-temperature track use.
Available in two fitment types, Type-S and Type-N , to suit most factory and aftermarket radiators.
Features:
- Maintains 1.3 kg/cm² (127kpa) pressure for improved cooling performance
- Raises coolant boiling point for enhanced thermal efficiency
- High-quality materials ensure long-term durability and sealing integrity
- Available in Type-S (spring-loaded) and Type-N (flat-type) to fit a wide range of applications
- Laser edged logo directly on the caps for the newly designed GT-Spec caps
- Comes original design rose golden radiator emblem sticker
Fitment Note:
Please check your OEM radiator cap to confirm whether it is a spring-loaded (Type-S) or flat-type (Type-N) design. Fitment may vary depending on vehicle year, model, or manufacturer specifications.
S - Sealed/System type (vented) / N - Non-vented/Normal type
|
TYPE-S : Spring Loaded (591-A003) |
TYPE-N : Flat Type (591-A004) |
|
- Nissan (Most)
- Subaru (Most)
- Mazda (Most)
- Toyota (Some)
- Mitsubishi (Some) |
- Honda (Most) - Toyota 86 / Scion FRS - Subaru BRZ - Toyota (Some) |
| Part Number |
TYPE-S (Spring Loaded) : 591-A003 TYPE-N (Flat Type) : 591-A004 |
|---|---|
| Fitment Type | Universal |
| Special Notes |
Please check your vehicle for which type are used - Spring-loaded Type - Flat Type |
| ⚠️ |
WARNING: California Prop 65 Cancer & Reproductive Harm www.p65warnings.ca.gov |