DAYUAN 17-Piece Diesel Compression Tester Kit (0

What people love (and don’t love)

What people love

Wide variety of tools included suitable for diesel engines.
Affordable price with great value for money.
Works well and helps save diagnostic time.
Comes in a sturdy, organized case.
Good quality and universal compatibility for many diesel engines.

What people don’t love

Some adapters are too long, making usage difficult in certain engines.
The kit does not fit glow plug adapters for Ford 6.0 Powerstroke engines.
One customer received a used/damaged set instead of new.
Incorrect labeling on the case has been reported.
Does not fit some injector positions on certain engine models.

Reliable and cost-effective compression tester kit with good versatility, though adapter length and specific engine compatibility can be issues.

Summary based on customer review evidence.

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Quick facts

Brand: DAYUAN
Price: USD 36.97
Rating: 4.30 (743 reviews)

The DAYUAN 17 pc Diesel Engine Compression Tester Kit is built to help you quickly check diesel cylinder compression so you can troubleshoot hard-starting, power loss, or uneven running. With a 0–70 Bar (0–1000 PSI) gauge and a release valve, you can take readings and then safely bleed pressure before the next test.

You can view the current price and full details on Amazon here.

This kit includes 9 glow plug adapters and 4 injector adapters, giving you flexibility across many diesel cars, trucks, and tractors. A 35.5 cm (14 inch) long tube helps you reach tighter areas while working in the engine bay, and the included resetter supports repeat testing.

0–70 Bar / 0–1000 PSI gauge with release valve
35.5 cm (14 inch) long tube for easier access during testing
Includes 9 glow plug adapters and 4 injector adapters
Designed to help identify worn valves and piston rings via compression testing
Adapter set includes common diesel thread sizes (see included adapter list)

Included injector adapters: M20x1.5x75mm; M22x1.5x73mm; M24x1.5x88mm; M24x2.0x63mm.

Included glow plug adapters: M10x1.0x83mm; M10x1.0x91mm; M10x1.0x102mm; M10x1.0x113mm; M10x1.0x119mm; M10x1.25x64mm; M10x1.25x135mm; M12x1.25x47mm; M22x1.5x118mm.

Quick buying tip: Match your engine’s glow plug or injector thread size to the adapter list above before ordering to ensure compatibility.