Home › Radiator & Coolant Reservoir Caps
Radiator & Coolant Reservoir Caps: what should you pay?
What you'll usually pay
$32.95 typical price
Most are between$11–$94
Brand new$32.95
Used$22.56
On sale now2,765
💡 Buying used saves about 32% here.
💚 Best value for your money
1 Year 129 on sale$19.95 · 39% cheaper
1.2 - 1.6 bar 452 on sale$22.88 · 31% cheaper
Genuine OEM 425 on sale$24.99 · 24% cheaper
Japan 69 on sale$24.99 · 24% cheaper
United States 306 on sale$24.99 · 24% cheaper
Price by brand type
Price by country of origin
Price by pressure rating
Price by manufacturer warranty
🛒 Some on sale right now
How we got these numbers
Worked out from 200 live eBay listings (price range $11–$94, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 16, 2026.