A'PEXi - GT-Spec Radiator Cap ** IN STOCK **
Specifications Part numbers, fitment codes and shipping
- Brand
- APEXi
- Speedzone SKU
- 591-A003
- Manufacturer part number
- 591-A003
- Category
- Engine
- Shipping weight
- 250 g
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 or Aftermarket 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.
** SOME AFTERMARKET RADIATOR CAP WILL USE SPECIFIC CAP SO PLEASE CHECK YOUR RADIATOR **
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 |
Full details on shipping times, returns, warranty and cancellations are on our policy page.
Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.
Email Sales@Speedzoneweb.com
Call 407-846-8430
Text 407-749-6314
Answers to common questions are on our FAQ page.
Under the Influence by Speedzone
Product approval required
Want to promote this product?
Approved Speedzone creators can request access to promote this item.
Request to Promote This Product
Parts Financing
Product Request
Return Policy
Wheel & Tire Builder
Discount Codes
