# 🔧 What thread sizes does the Lisle 20250 Compression Tester fit?

*Published: 2024-03-20 | Updated: 2024-10-24 | Source: https://shopsavvy.com/answers/what-thread-sizes-does-the-lisle-20250-compression-tester-fit*

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## Product: Lisle Compression Tester
**Brand:** Lisle

The Lisle 20250 Compression Tester fits 14mm and 18mm thread sizes, which makes it pretty versatile for different types of gasoline engines. According to the manufacturer's description, it can handle pressures from 0 to 300 PSI, so it covers a good range for most automotive applications. It even works well for things like outboard racing engines, based on what we've found.

From our research, people generally like how easy it is to use, and it holds up well over time. The build seems really solid with features like a sturdy hose and brass fittings, which definitely add to its durability. The design ensures a snug fit with rubber seals on the adapters to prevent leaks.

There are a few small downsides. Some folks mentioned that the pressure release valve is a bit stiff, which can be a hassle. And occasionally, there are some mixed comments about the gauge accuracy when compared to other testers. Plus, it doesn't come with a carrying case, so if you need something portable, that might be a bit of a bummer.

Overall, it seems like a good pick for both DIYers and professionals. It's reliable, effective, and fairly priced, making it a popular choice for engine diagnostics. Just something to think about if you're weighing your options.

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| Auto Parts and Stuff | $29.99  | Check |
| Amazon | $34.15  | Check |
| Modded Euros | $36.89  | Check |
| ToolTopia.com | $37.72  | Check |
| Auto Body Toolmart | $50.95  | Check |
| Direct Tool Source | $53.60  | Check |

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*Where this comes from: This answer is based on ShopSavvy's product database, real-time pricing from thousands of retailers, and analysis of user reviews to give you a well-rounded picture.*