Details
Product Information
A direct-fit replacement radiator for the S550 Mustang GT and Shelby GT350 with the 5.0L Coyote V8, for manual and automatic cars. The 52mm, three-row brazed aluminum core is more than twice as thick as the 25mm stock core and holds 4.3 gallons, 129% more coolant than the stock radiator and 77% more than the performance package radiator. Against the performance package radiator it also adds 26% more coolant surface area in the tubes and 55% more air surface area in the fins.
Specifications
| Type | Performance aluminum radiator |
| Rows | 3 |
| Core Thickness | 2.05 in (52mm) |
| Transmission | Manual and automatic |
| Inlet / Outlet | 1.5 in inlet, 1.26 in outlet |
| Construction | Fully brazed aluminum core, TIG-welded end tanks |
| Dimensions | Overall 23.75 in x 29.25 in x 5 in; core 25.4 in x 19.9 in |
| Fluid Capacity | 4.3 gal |
| Drain Plug Thread | M12 x 1.5, magnetic drain plug |
| What's in the Box |
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| Fitment Notes | 5.0L V8 Coyote S550 Mustang only; not for the 2.3L EcoBoost (separate radiator) or the 5.2L Shelby GT500 |
| Install | Medium difficulty |
| Overall Length | 23.75 in |
| Overall Height | 29.25 in |
| Overall Width | 5 in |
| Core Length | 25.4 in |
| Core Height | 19.9 in |
| Inlet | 1.5 in |
| Outlet | 1.26 in |
| Coolant Capacity | 4.3 |
| Engine | 5.0L V8 Coyote |
| Chassis Codes | S550 |
| Quantity | 1 |
| Warranty | Mishimoto Lifetime Limited Warranty |
| Part Number | MMRAD-MUS8-15 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2020 | Ford | Mustang | Bullitt |
| 2015-2023 | Ford | Mustang | GT |
| 2015 | Ford | Mustang | GT 50 Years Limited Edition |
| 2015-2023 | Ford | Mustang | GT Premium |
| 2021-2023 | Ford | Mustang | Mach 1 |
| 2015-2020 | Ford | Mustang | Shelby GT350 |
| 2015-2020 | Ford | Mustang | Shelby GT350R |
Documents: Installation Instructions (PDF)
Does it fit the 2.3L EcoBoost Mustang?
- No. It is built for the 5.0L Coyote Mustang GT and Shelby GT350. The EcoBoost uses its own radiator, MMRAD-MUS4-15.
Does it work with an automatic transmission?
- Yes. It fits both manual and automatic cars.
How much coolant does it hold?
- 4.3 gallons, 129% more than the stock radiator and 77% more than the performance package radiator.
Does it fit the 2020-2022 Shelby GT500?
- No. The GT500 uses the supercharged 5.2L and a different cooling system.
Is there a warranty?
- Yes, the Mishimoto Lifetime Limited Warranty.
Shipping
- In stock orders typically ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty






