Mishimoto Performance Auxiliary Radiators - 2020-2024 Toyota Supra A90 | MMRAD-SUP-20A
Mishimoto Performance Auxiliary Radiators - 2020-2024 Toyota Supra A90 | MMRAD-SUP-20A
Mishimoto
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PRODUCT DETAILS
Mishimoto Performance Auxiliary Radiators (part MMRAD-SUP-20A) replace the two factory auxiliary radiators on the 2020+ Toyota GR Supra 3.0 (A90, B58). They swap the stock plastic end tanks for all-aluminum, TIG-welded units with about 30% more core volume.
Fitment
- Toyota GR Supra A90 3.0 (B58), 2020 and newer
- BMW Z4 3.0L, 2018 and newer
- Not listed for the 2.0L Supra
Specifications
- Manufacturer part number: MMRAD-SUP-20A
- Core: 1.57 in thick, one row, brazed aluminum
- Core volume: about 30% more than stock
- End tanks: TIG-welded aluminum (stock tanks are plastic)
- Strutted tubes for durability
- Overall size: 11.7 x 9.5 x 2.9 in
- Warranty: Mishimoto Lifetime Warranty
What's in the box
- Two auxiliary radiators (left and right)
FAQ
Is this the main radiator?
No. These replace the two smaller auxiliary radiators.
How hard is the install?
Mishimoto rates it as medium difficulty and provides an install guide.
How long does shipping take?
Delivery times vary by part because many items ship directly from the manufacturer or distributor. Message us before ordering and we'll confirm current lead time.
Can I return it?
Yes. Returns are accepted within 30 days of delivery. The customer pays return shipping, and a restocking fee of up to 20% may apply.
WHY WE CARRY THIS
We only list parts we’d run ourselves or recommend to a friend building a real car. If it feels vague, unverified, or inconsistent, it doesn’t make the cut.
- Fitment-first mindset — no “universal” roulette
- Brand reputation matters — we favor proven manufacturing
- Support that actually responds with real answers
WHAT TO EXPECT
This is the clean path: correct fitment, clean install, and results that match the intent.
- Install-ready experience with correct mounting where provided
- Finish that holds up to real driving, not just photos
- Selections on this page drive the exact fitment shipped
TRUST, BUILT INTO THE PROCESS.
Anyone can list parts. We curate what belongs on a serious build. Our goal is simple: fewer surprises, cleaner installs, and confidence when you hit “Buy.”
Fitment checked
We prioritize vehicle-specific listings and clear selection logic so you’re not gambling on compatibility.
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Proven manufacturing and consistent quality matter more than hype. We bias toward what actually holds up.
Real support
If you have a question, you’ll get a human answer that helps you finish the build — not a copy-paste shrug.
Mishimoto Performance Auxiliary Radiators (part MMRAD-SUP-20A) replace the two factory auxiliary radiators on the 2020+ Toyota GR Supra 3.0 (A90, B58). They swap the stock plastic end tanks for all-aluminum, TIG-welded units with about 30% more core volume.
Fitment
- Toyota GR Supra A90 3.0 (B58), 2020 and newer
- BMW Z4 3.0L, 2018 and newer
- Not listed for the 2.0L Supra
Specifications
- Manufacturer part number: MMRAD-SUP-20A
- Core: 1.57 in thick, one row, brazed aluminum
- Core volume: about 30% more than stock
- End tanks: TIG-welded aluminum (stock tanks are plastic)
- Strutted tubes for durability
- Overall size: 11.7 x 9.5 x 2.9 in
- Warranty: Mishimoto Lifetime Warranty
What's in the box
- Two auxiliary radiators (left and right)
FAQ
Is this the main radiator?
No. These replace the two smaller auxiliary radiators.
How hard is the install?
Mishimoto rates it as medium difficulty and provides an install guide.
How long does shipping take?
Delivery times vary by part because many items ship directly from the manufacturer or distributor. Message us before ordering and we'll confirm current lead time.
Can I return it?
Yes. Returns are accepted within 30 days of delivery. The customer pays return shipping, and a restocking fee of up to 20% may apply.
