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AUTOOL AS509 Coolant Boiling Point Tester, Automotive Cooling System Tester with OLED Display, 30s Fast Test, ±3% Accuracy, Supports 23 Coolant Brands
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 19, 2026 4:33 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
AUTOOL-USA
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓[Fast Coolant Boiling Point Testing] This automotive coolant boiling point tester delivers test results within 30 seconds using a high-sensitivity temperature sensor, providing ±3% stated accuracy for routine engine coolant inspection.
✓[Dual Mode Automotive Coolant Tester] Normal Mode measures the boiling point of engine coolant for daily vehicle checks, while Brand Mode supports data for 23 common automotive coolant brands, adapting to different coolant formulations.
✓[Built-in Reference Data for Cooling System Evaluation] Equipped with internal boiling point reference data, this cooling system diagnostic tool displays on-screen comparisons to assist with coolant condition assessment during maintenance.
✓[HD OLED Display for Workshop Use] The high-brightness OLED display presents clear readings during radiator coolant testing in garage and workshop environments, with a straightforward interface for easy operation.
✓[12V Engine Coolant Test Tool with Protection Design] Powered by a standard 12V automotive supply, this engine coolant tester features reverse polarity protection and overheat control to support stable testing operation.
⚙️ Specifications
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Price
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Product Feature
Battery Restoration
Smart Control Technology
High－Precision Detection Probe
High-precision Sensor
210° Bidirectional Control
History Records
High-Precision Sensor
Product Feature
Nine Safety Protections
Precise Pressure Control
Transmittance Display
Smart Temperature Compensation