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Mishimoto 1990-1997 Mazda Miata 3 Row Manual X-LINE (Thicker Core) product view

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Mishimoto MMRAD-MIA-90X installed angle on vehicle

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Mishimoto 1990-1997 Mazda Miata 3 Row Manual X-LINE (Thicker Core) core and end tank detail

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Mishimoto 1990-1997 Mazda Miata 3 Row Manual X-LINE (Thicker Core) packaging and included hardware

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Mishimoto 1990-1997 application close-up of MMRAD-MIA-90X

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Mishimoto 1990-1997 Mazda Miata 3 Row Manual X-LINE (Thicker Core) mounting points detail

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Mishimoto 1990-1997 Mazda Miata 3 Row Manual X-LINE (Thicker Core) finish and construction detail

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Mishimoto 1990-1997 Mazda Miata 3 Row Manual X-LINE (Thicker Core) inlet and outlet close-up

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Mishimoto 1990-1997 Mazda Miata 3 Row Manual X-LINE (Thicker Core) compared with stock packaging

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Mishimoto 1990-1997 Mazda Miata 3 Row Manual X-LINE (Thicker Core)

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Brand: MishimotoSKU / Part #: MISMMRAD-MIA-90X

Regular price: $399.95
Regular price: ~~$440.00~~
Sale price: $399.95
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Subtotal: $399.95

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Mishimoto 1990-1997 Mazda Miata 3 Row Manual X-LINE (Thicker Core)

Subtotal: $399.95

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Overview

This Mishimoto performance aluminum radiator is a direct-fit upgrade for 1990-1997 Mazda applications covering Miata, Miata LE, Miata M Edition, Miata SE, Miata STO. It replaces the weak points of the stock part with stronger materials and better flow or cooling so heat, boost and abuse stay under control on street and track duty. AutoTalent lists verified US-market fitment in the table below.

Why upgrade

By replacing your current Miata radiator with a Mishimoto performance aluminum radiator you will undoubtedly notice a cooler more efficient running engine. All Mishimoto Mazda Miata performance aluminum radiators are designed and engineered to maximize cooling efficiency, protect your car from the overheating, and boost overall engine functions. These kits are engineered around real chassis packaging, so hoses, coolers and adapters line up without fabrication on the listed years. Follow the published torque specs and install guide, reuse sensors where instructed, and confirm clearances if you run other supporting mods. Every unit ships with the Mishimoto Lifetime Warranty for as long as you own it.

Features

Premium radiator has 3-row core for improved strength and reliability.
16-percent thinner-than-stock tubes allow for more surface contact,
Greater density of rows for higher cooling capacity.
More contact points for additional heat transfer.
3-row design creates more air turbulence, maximizing cooling efficiency.
Includes magnetic drain plug
Includes a 1.3 Bar High-Pressure Radiator Cap

What's Included

Mishimoto Radiator
Magnetic Drain Plug
Mishimoto Radiator Cap
Mishimoto Lifetime Warranty

Specifications

Part number	MMRAD-MIA-90X
Brand	Mishimoto
Type	radiator
Chassis codes	NA6(8)C
Shipping dimensions	31 x 22.6 x 7.3 in (78.7 x 57.4 x 18.5 cm)
Shipping weight	16.2 lb (7.3 kg)

Fitment Notes

Verified against Mishimoto US applications and dealer listing for 1990-1997 (5 rows). Years extended to 2027 where the US model remains in production.

Vehicle Fitment

Questions about fitment? Call (310) 231-0292 or text (310) 886-3111.
Year	Make	Model	Chassis	Engine
1990-1997	Mazda	Miata	MAZ-US	—
1993	Mazda	Miata LE	MAZ-US	—
1994-1997	Mazda	Miata M Edition	MAZ-US	—
1991	Mazda	Miata SE	MAZ-US	—
1997	Mazda	Miata STO	MAZ-US	—

Fitment

Year	Make	Model

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

Reviews & questions