This Mishimoto TIG-welded aluminum coolant expansion tank is a direct-fit replacement for the factory plastic tank on the 2021+ Ford Bronco with the 2.3L or 2.7L EcoBoost engine (also fits the 2024+ Ford Ranger). Aluminum stands up to the repeated hot-cold heat cycles that fatigue and crack the OEM plastic unit, and a built-in sight glass lets you check coolant level at a glance. Internal baffling and submerged pickup tubes keep coolant level and prevent air from being drawn into the system. It reuses the stock coolant tank cap, and the micro-wrinkle black finish blends into the blacked-out engine bay.
Specifications
| Type | Aluminum coolant expansion tank |
| Material | TIG-welded 6061 aluminum |
| Finish | Micro-Wrinkle Black |
| Fitment | Direct-fit for 2021+ Ford Bronco 2.3L / 2.7L EcoBoost (see chart) |
| Included | Coolant expansion tank (reuses factory cap); stamped cold-line indicator, built-in sight glass |
| Part Number | MMRT-BR-21MWBK |
| Warranty | Mishimoto Lifetime Warranty |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2025 | Ford | Bronco | Badlands |
| 2021-2023,2025 | Ford | Bronco | Base |
| 2021-2025 | Ford | Bronco | Big Bend |
| 2021-2024 | Ford | Bronco | Black Diamond |
| 2022-2024 | Ford | Bronco | Everglades |
| 2021 | Ford | Bronco | First Edition |
| 2023-2025 | Ford | Bronco | Heritage Edition |
| 2023-2024 | Ford | Bronco | Heritage Limited Edition |
| 2021-2025 | Ford | Bronco | Outer Banks |
| 2022-2024 | Ford | Bronco | Raptor |
| 2025 | Ford | Bronco | Stroppe Edition |
| 2021-2024 | Ford | Bronco | Wildtrak |
| 2024-2025 | Ford | Ranger | Lariat |
| 2024-2025 | Ford | Ranger | XL |
| 2024-2025 | Ford | Ranger | XLT |
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items 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
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