Massive 3-Row Cooling Core
One of the biggest upgrades is the:
- Thick 3-row aluminum core design
Specifications include:
- Overall size: 27.8” x 18” x 2.55”
- Core size: 12.6” x 25.12”
- Core thickness: 2.05”
- Inlet/outlet size: 1.25”
- Tank wall thickness: 0.08”
This dramatically improves:
- Heat dissipation
- Thermal stability
- Coolant capacity
- Cooling efficiency
Especially during:
- Extended track sessions
- Turbocharged driving
- Hot summer traffic
- Repeated high-RPM pulls
Where stock radiators occasionally begin emotionally evaporating.
By replacing your current Miata radiator with a Mishimoto performance aluminum radiator you are going to unquestionably notice a cooler more efficient running engine.
Full Aluminum X-Line Construction
Unlike factory radiators that commonly use:
- Plastic end tanks
- Aging crimp seals
- Thin OEM cores
The Mishimoto X-Line radiator uses:
- Full aluminum construction
- Welded aluminum tanks
- Reinforced high-performance materials
This improves:
- Durability
- Pressure resistance
- Long-term reliability
- Heat transfer capability
Because 30-year-old plastic radiator tanks and aggressive driving are not exactly a healthy relationship.
All Mishimoto Mazda Miata performance aluminum radiators are designed and engineered to maximise cooling efficiency, offer protection to your car from the overheating, and spice up overall engine functions.
Ideal for Turbo Miata Builds
This radiator is especially valuable for:
- Turbocharged Miatas
- Supercharged setups
- Track-focused builds
- E85 applications
- Drift cars
Improved cooling helps reduce:
- Heat soak
- Coolant temperature spikes
- Thermal fatigue
- Overheating risk
Especially because boosted Miatas somehow produce heat with the determination of much larger engines.
With its lightweight triple core, one hundred% brazed aluminum, and polished tank ends installing an instantaneous OEM fit Mishimoto radiator is effortless, no cutting or modification is needed.All Mishimoto radiators come with a high pressure 1.3 bar Mishimoto radiator cap and a really perfect warranty.
Take a look at the Mazda Miata hose kit, for even greater cooling efficiency.
Compatible Mazda Miata Models
The Mishimoto X-Line Aluminum Radiator is compatible with:
- 1990 Mazda Miata
- 1991 Mazda Miata
- 1992 Mazda Miata
- 1993 Mazda Miata
- 1994 Mazda Miata
- 1995 Mazda Miata
- 1996 Mazda Miata
- 1997 Mazda Miata
Engine compatibility:
- 1.6L Miata
- 1.8L Miata
Perfect for:
- Street builds
- Turbo Miatas
- Drift cars
- Track-day setups
- Autocross builds
- Canyon cars
Because every Miata eventually becomes either:
- A track car
- A turbo project
- Both simultaneously.
Overall Size: 27.8” x 18” x 2.55” / Core Size: 12.6” x 25.12” / Rows: 3
Inlet & Outlet: 1.25” / Core Thickness: 2.05” / Tank Wall Thickness: 0.08”
Better Cooling for Track and Autocross Use
Track driving creates:
- Sustained high RPM operation
- Continuous thermal load
- Elevated coolant temperatures
- Reduced airflow recovery time
A thick aluminum radiator helps maintain:
- Stable engine temperatures
- More consistent power delivery
- Better reliability during long sessions
Especially important because limp mode is not considered a competitive motorsport strategy.
TIG-welded aluminum radiator includes high-pressure rad cap and magnetic drain plug
Perfect for High-Mileage NA Miatas
Most NA Miatas today are:
- Decades old
- Modified
- Frequently driven hard
- Running original cooling components
An upgraded radiator helps reduce:
- Cooling system fatigue
- Overheating risk
- Heat-related engine wear
- Long-term reliability concerns
Because aging Miatas already leak enough fluids emotionally without adding overheating into the mix.
OEM-Style Direct Fit Installation
The radiator is engineered for:
- Direct bolt-in installation
- OEM hose compatibility
- Factory fan integration
Typical installation requires:
- Coolant drain
- Socket set
- Hose clamp pliers
- Approximately 2-4 hours
No major:
- Fabrication
- Cutting
- Custom mounting typically required
Which is fortunate, because Miata engine bays already become crowded the second you add boost piping.
Why Upgrade the Miata Radiator?
Common reasons Miata owners upgrade radiators include:
- Aging OEM radiator failure
- Turbocharging
- Track overheating
- Autocross reliability
- Preventative maintenance
- Improved thermal stability
A performance radiator remains one of the smartest upgrades for older Miatas because:
- Heat kills reliability quickly
- Small lightweight cars still generate serious thermal load
- Turbo builds expose stock cooling limitations fast
Especially once boost enters the conversation.
Final Verdict
For 1990-1997 Mazda Miata owners wanting improved cooling performance and long-term reliability, the Mishimoto X-Line Aluminum Radiator delivers major thermal management improvements with a thick 3-row design.
Key benefits include:
- Full aluminum construction
- Thick 3-row cooling core
- Improved heat dissipation
- Better thermal stability
- Ideal for turbo and track builds
- Direct-fit installation
Most importantly, your Miata finally stops treating every spirited drive like an overheating side quest.
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