Mishimoto Aluminum Coolant Expansion Tank – Ford Bronco (Wrinkle Black)
2021–2026 Ford Bronco 2.3L / 2.7L EcoBoost | Micro-Wrinkle Black | Part Number: MMRT-BR-21MWBK
Upgrade your Bronco’s cooling system reliability with the Mishimoto Aluminum Coolant Expansion Tank (MMRT-BR-21MWBK). Designed specifically for the 2021–2026 Ford Bronco 2.3L and 2.7L EcoBoost, this direct-fit replacement eliminates the failure-prone factory plastic tank.
The OEM expansion tank is known to crack over time due to heat cycling and pressure. This Mishimoto upgrade features fully TIG-welded aluminum construction, providing superior strength and long-term durability, even in extreme off-road and high-performance conditions.
Finished in a micro-wrinkle black coating, this version delivers a stealth, OEM+ appearance that blends seamlessly into your engine bay.
Key Features
- Direct fit for 2021–2026 Ford Bronco 2.3L & 2.7L
- Part Number: MMRT-BR-21MWBK
- Micro-wrinkle black aluminum construction
- Replaces failure-prone factory plastic tank
- Fully TIG-welded for maximum strength
- Internal baffling improves coolant stability
- Retains use of factory cap
- OEM+ stealth engine bay appearance
⚠️ Fitment Note (IMPORTANT)
❗ Fits 2021–2026 Ford Bronco 2.3L & 2.7L ONLY
❗ Will NOT fit Bronco Raptor models
❗ Direct replacement for factory expansion tank
❗ Compatible with stock and modified setups
❗ Professional installation recommended
Eliminates a Known Weak Point
- Factory plastic tanks can crack and fail
- Aluminum construction prevents failure
- Improves long-term reliability
👉 Fix it before it fails
Built for Durability
-
TIG-welded aluminum resists heat cycling
- Handles extreme off-road conditions
- Designed for long-term performance
👉 Built to last
Improved Cooling System Function
- Internal baffling reduces coolant slosh
- Maintains consistent coolant levels
- Helps prevent air entering the system
👉 More stable cooling performance
Stealth OEM+ Styling
- Micro-wrinkle black finish
- Blends seamlessly into engine bay
- Perfect for clean, factory-style builds
👉 Clean and subtle upgrade
What’s Included
- Aluminum coolant expansion tank
- Mounting brackets
- Hardware
- Installation instructions
Specifications
- Material: Aluminum (TIG-welded)
- Finish: Micro-wrinkle black
- Function: Coolant expansion tank replacement
- Install Type: Bolt-on
- Warranty: Mishimoto Lifetime Warranty
Installation
Direct bolt-on replacement
Reuses factory mounting points and cap
No cutting or modification required
Professional installation recommended
Typical install time: ~1–2 hours
Popular Vehicle Applications
👉 2021–2026 Ford Bronco 2.3L & 2.7L EcoBoost
Perfect for Bronco owners looking to improve cooling system reliability while maintaining a clean, stealth engine bay appearance.
👉 Best stealth reliability upgrade for Bronco builds
Why Buy from Iron Ridge Offroad
✔ Fast Shipping
✔ Authorized Mishimoto Dealer
✔ Fast Processing
✔ Off-Road Experts You Can Trust
Upgrade your Bronco with the Mishimoto Aluminum Expansion Tank (MMRT-BR-21MWBK) a durable, stealthy upgrade that improves reliability and cooling system performance.
