Hummer H3 GMT345 Radiator
New, used, or aftermarket – from sellers across Europe.
Parts availability
Hard to find – this is exactly what hank is made for!
Estimated price range
Widely available Limited Hard to find
Last updated: 23.09.2026, 08:25
Radiator for your Hummer H3?
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Prices from recent listings
| Source | Condition | Price (approx.) | Last seen |
|---|---|---|---|
| eBay | New | 111.60 € | 2026-09-23 |
| eBay | New | 320.67 € | 2026-09-23 |
Indicative values only – current prices may vary.
Find Hummer H3 GMT345 parts online
hank's free AI report searches specialized shops for Hummer H3 GMT345 parts, including Customville American, us-car-teile-center.de & RRR.lt.
About this part
The radiator on your H3 GMT345 cools the engine by dissipating heat from the coolant. A leaking, clogged or damaged radiator causes overheating, which can lead to serious engine damage if not addressed.
Frequently asked questions
What should I check when ordering a replacement radiator for the Hummer H3?
Match the exact engine code and transmission type of your H3 GMT345, as radiators differ by cooling capacity. Check whether it includes the cap, drain plug and mounting bushings.
Are aftermarket radiators as good as OEM?
Quality aftermarket radiators perform well and are often more affordable. For heavy-duty use or hot climates, consider an aluminium core upgrade for better heat dissipation.
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