SKU: MMRAD-MIA-90X | UPC: 748354804997
Mishimoto 90-97 Mazda Miata 3 Row Manual X-LINE (Thicker Core) Aluminum Radiator
This Mishimoto aluminum radiator upgrades 1990-1997 Mazda Miata manual transmission models with a 3-row X-LINE design featuring a thicker 60mm core for enhanced heat dissipation. It replaces the factory radiator to lower engine temperatures during track days or spirited drives while maintaining direct OEM fitment. Engineered with 100% brazed aluminum construction, it delivers reliable cooling without modifications.
Key Features
- 3-Row X-LINE Thicker Core: 60mm thick core (19.69″ x 12.60″ x 2.36″) with 1.25″ tubes provides greater cooling capacity than stock 2-row units.
- 100% Brazed Aluminum Construction: TIG-welded end tanks resist corrosion and cracking common in OEM plastic tanks for long-term durability.
- Direct OEM Fitment: Bolts directly into 90-97 Miata engine bay with 1-1/4″ inlet and outlet fittings, no cutting or adapters needed.
- Included 1.3 Bar Cap: High-pressure cap maintains optimal system pressure to prevent boil-over and improve coolant flow efficiency.
- Polished Aluminum Finish: Clean, durable surface enhances underhood appearance while protecting against road debris.
Product Notes
- Designed exclusively for manual transmission Miatas. automatic models require MMRAD-MIA-90A.
- Pair with Mishimoto silicone hose kit for complete cooling system upgrade.
- Ships in protective foam-lined box to prevent fin damage.
Installation Notes
- Professional installation recommended.
- Drain coolant, remove OEM radiator, and bolt in new unit using factory mounts in under 1 hour.
- Compatible with stock fans, shrouds, and brackets. cap included replaces OEM.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1997 | Mazda | Miata | Base |
| 1993 | Mazda | Miata | LE |
| 1994-1997 | Mazda | Miata | M Edition |
| 1991 | Mazda | Miata | SE |
| 1997 | Mazda | Miata | STO |
Why Choose Mishimoto?
- Proven track record in motorsports cooling for Mazda enthusiasts worldwide.
- Full aluminum design outlasts factory units in high-heat conditions.
- Engineered and tested in the USA for precise fit and performance gains.
Frequently Asked Questions
- Q: Does this fit automatic transmission Miatas?
A: No, this MMRAD-MIA-90X is for manual transmission only. Use MMRAD-MIA-90A for automatics. - Q: What material is used in construction?
A: 100% aerospace-grade aluminum with brazed cores and TIG-welded tanks for maximum strength and heat transfer. - Q: What warranty is provided?
A: Lifetime warranty against manufacturing defects when installed and maintained properly.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Foam inserts in 25.2 x 17.3 x 4.3 inch box
- Weight: 12.8 lbs (shipping weight 14.6 lbs)
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