Cadillac STS Sigma Radiator
New, used, or aftermarket – from sellers across Europe.
Parts availability
Limited availability – hank searches the web for you.
Estimated price range
Widely available Limited Hard to find
Last updated: 07.10.2026, 11:19
Radiator for your Cadillac STS?
Create a parts request and we will automatically search the web for suitable offers. You'll receive the results by e-mail - free of charge.
In addition, sellers on hank can send you offers directly.
Prices from recent listings
| Source | Condition | Price (approx.) | Last seen |
|---|---|---|---|
| Autodoc | New | 40.49 € | 2026-10-07 |
| Kleinanzeigen | Unknown | 45.00 € | 2026-10-07 |
| Autodoc | New | 212.99 € | 2026-10-07 |
| Kleinanzeigen | Unknown | 400.00 € | 2026-10-07 |
| Asp-usshop | Unknown | 99.00 € | 2026-08-05 (older price) |
| Oliver-racing | Unknown | 546.15 € | 2026-08-05 (older price) |
Indicative values only – current prices may vary.
Price comparison: Radiator
Current median for the Cadillac STS Sigma: 155.99 €.
Median across all car models: around 120 €. This model is 30% above that and more expensive than 60% of the models compared.
Median across Cadillac car models: around 170 €. This model is 5% below that and cheaper than 55% of the models compared.
Compares the medians of the most recent offers found for each model.
Find Cadillac STS Sigma parts online
hank's free AI report searches specialized shops for Cadillac STS Sigma parts, including belchers, us-car-teile-center.de & Customville American.
About this part
The radiator on your STS Sigma 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 Cadillac STS?
Match the exact engine code and transmission type of your STS Sigma, 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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