Compression Test Kits

Tool Aid 34300

Why choose it

The Tool Aid 34300 packages 10mm, 12mm, 14mm and 18mm adapters and a seal repair kit in a hard case for gasoline engine compression checks.¹²

The details

Core specifications5

Fit and compatibility1

Tool Aid 34300: fit and compatibility
Engine type	Gasoline²

More specifications2

Tool Aid 34300: more specifications
Release valve	Yes¹
Quick-release coupling	Yes¹

Specifications not documented (8)

Hose length, Deep-well adapter, Dial size, Gauge protection, Small-engine use, Gauge movement, Fitting material, Warranty.

Compare the tradeoffs

Adapter sizes: 14 mm short-thread x 18 mm long-thread adapter • 10 mm thread small engine adapter • 12 mm thread small engine adapter³
Gauge units: (psi, kg/cm², bar, kPa)³
Dial size: 2.75 in³

Adapter sizes: with a 14-mm fitting on the end. OTC also includes 10-, 12- and 18-mm adapters⁴
Hose length: 25 in⁴
Deep-well adapter: Yes⁵