DAYUAN 17 pc Diesel Engine Compression Tester Kit Tool Set A
£174.88 inc. VAT (£145.73 ex. VAT)
- 17-piece kit includes multiple glow plug and injector adapters for broad diesel compatibility.
- High-pressure gauge gives clear compression readings to pinpoint hard-start and power-loss faults.
- Supplied in a blow-moulded carry case for organised storage and quicker mobile diagnostics.
- Saves garage labour costs by testing diesel compression at home or in the workshop.
Why Choose Dayuan Test Tools
Stop Blind Parts Replacement
Throwing parts at a poorly running diesel engine is an expensive guessing game. Whether you are dealing with cold starting issues, excessive smoke, or a sudden loss of power, investing in a reliable diesel compression tester is the smartest move you can make. Our professional-grade kit allows you to accurately measure cylinder pressure, instantly revealing hidden mechanical faults like worn piston rings, leaking valves, or a blown head gasket before you spend a penny on replacement injectors or glow plugs.
Built to Outperform
Unlike generic combo kits that struggle with high diesel pressures, the Dayuan Test Tools kit is engineered exclusively for diesel engines. It features a massive 75mm dial with a true 0-70 Bar (0-1000 PSI) scale, ensuring absolute clarity and precision. The heavy-duty 360mm flexible hose is reinforced to withstand extreme pressures without bulging, while the solid brass quick-release coupler guarantees a leak-free connection every time you test. A convenient one-touch pressure relief valve allows you to reset the gauge instantly, making multi-cylinder testing fast and efficient.
Comprehensive 17-Piece Coverage
We know that vehicle compatibility is the biggest headache for mechanics. That is why our kit includes a comprehensive array of glow plug and injector adapters, complete with an H-type clamp and spare seals. Housed in a rugged, blow-moulded ABS carry case, this set provides unparalleled coverage for most popular UK vans, light commercial vehicles, and diesel passenger cars, ensuring you always have the right fitting to hand.
Technical Specifications
- 0-70 Bar / 0-1000 PSI
- 75mm (3 inches)
- ±2% Full Scale
- 360mm Flexible Heavy-Duty
- Brass Quick-Release
- 17
- 380 × 280 × 80 mm
- UKCA, CE Compliant
Price Comparison
See how our price compares across UK retailers
| Retailer | Price | Delivery | Warranty |
|---|---|---|---|
| Dayuan Test Tools UK (Specialist)BEST | £174.88 | FREE | 12 months + UK Support |
| eBay (est.) | £218.60 | Varies | Seller dependent |
| High Street RRP | £279.81 | N/A | Varies |
Prices checked 11 May 2026. Prices may vary.
Customer Reviews
Excellent diesel compression tester. Used it to diagnose a blown head gasket on a 1.9 TDI. The quick release is solid brass, much better quality than my old generic kit. Paid for itself on the first use.
Ordered at 1pm, arrived the next day. The 75mm gauge is massive and incredibly easy to read under the bonnet. Fits my Transit van glow plugs perfectly without any fuss.
Great bit of kit with a very comprehensive adapter set. The blow-moulded case is a little bit tight for the hose if you don't coil it perfectly, but the actual tool is spot on for the price.
Saved me an absolute fortune in garage diagnostic fees. Found out cylinder 3 had low compression straight away. The one-touch release valve makes testing multiple cylinders a breeze.
As an agricultural engineer, I need reliable gear. Tested this on a Mitsubishi site generator and an old tractor. The heavy-duty hose handles 600 PSI without a sweat. Highly recommended.
Top quality construction. The H-type clamp is a lifesaver for older injectors where standard screw-in adapters won't work. Feels exactly like a proper workshop tool should.
Does exactly what it says on the tin. The instructions could be slightly more detailed for beginners doing this for the first time, but the actual tester is brilliant and very accurate.