AST4670  Diesel Compression Tester is at the centre of the AST Diesel Engine Compression Test range. It comprises a quality dual scale pressure gauge , re-test valve (pressure relief valve), hose assembly with straight connecting coupler and a swivel 90° coupler elbow providing an alternative connection onto the adaptors.

Diesel Compression Tester Assembly comprises:

• Gauge & Cover
• Re-Test Valve Assembly
• Hose Assembly
• 90° Elbow Coupler
• Replacement Valve for Re-test Valve Assembly