0-100% cylinder leakage gauge. drain the compressor air tank daily. Worn piston rings, worn valves, cracks in cylinder walls and blown head gaskets. clean compressor air inlet filter weekly. Assist To Detect Following Engine Faults.
eBay
LAN Cable Tester, POE Burn-Proof Network Cable Tester, RJ45 RJ11 CAT5 UTP LAN Cable Tester, Network Tool, Network Repair
Aliexpress UK
In addition, the compression gauge is equipped with a pressure relief valve to reduce the risk of fuel injection by releasing pressure before disconnecting, ensuring safety during operation. 💡【Wide Compatibility】46-piece engine compression tester kit is suitable for most car, truck, bus, agricultural and marine engines, designed for modern gasoline and diesel engines, including HDi, TDCi, Pumpe Duse (PD) and old diesel and gasoline engines.
eBay
NOYAFA NF-8601 Network Cable Tester LCD Display Cable Tracker with PoE/PING Measure Length Wiremap Tester Ethernet Cable Tester
Aliexpress UK
This leak down compression tester & cylinder leakage test kit fits for most gasoline engines with spark plugs(within 20mm). Pull out for use, and push back to lock. Constructed with carbon steel and rubber, straight/angled type universal push-on connectors don't need to be threaded into spark plug wells and are applicable to almost all petrol engines, and the M14 aluminium extension rod can be installed on long/short hose(41-3/4"; 11-1/2") end to increase distance and facilitate operation.
eBay
LAN Cable Tester, POE Burn-Proof Network Cable Tester, RJ45 RJ11 CAT5 UTP LAN Cable Tester, Network Tool, Network Repair
Aliexpress UK
28pcs Universal Radiator Pressure Tester and Vacuum Type Cooling System Kit. 1 x Vacuum Type Cooling System Purge and Refill Tool Kit for quick change of coolant. Allows easy testing for leakage in radiator system and quick change of coolant.
eBay
COMPTYCO Visual Fault Locator 1/10/20/30/50mW Fiber Optic Cable Tester SC/FC/ST 2.5mm Interface FTTH Optical Fiber Tester Tool
Aliexpress UK
Leakdown Detector Kit. Designed to check the amount of leakage in 4-stroke engines. Designed to detect a variety of common engine faults such as worn piston rings, cylinder head cracks, worn valves and blown head gaskets.
eBay
OPTFOCUS Network Cable Tester CAT5 CAT6 POE Checker Network Line Finder OPM VFL 10mw High Quality Tester
Aliexpress UK
This leak down compression tester & cylinder leakage test kit fits for most gasoline engines with spark plugs(within 20mm). Pull out for use, and push back to lock. Constructed with carbon steel and rubber, straight / angled type universal push-on connectors don't need to be threaded into spark plug wells and applicable to almost all petrol engines, and M14 aluminum extension rod can be installed on long / short hose(41-3/4"; 11-1/2") end to increase distance and facilitate operation.
eBay
TOOLTOP Network Cable Tester Optical Power Meter Multimeter VFL 4 in1 LAN Line Finder PoE Tester for Structure Cabling
Aliexpress UK
28pcs Universal Radiator Pressure Tester and Vacuum Type Cooling System Kit. 1 x Vacuum Type Cooling System Purge and Refill Tool Kit for quick change of coolant. Allows easy testing for leakage in radiator system and quick change of coolant.
eBay
Multifunction Wire Cable Tracker & Network Tester, RJ45/RJ11/BNC LAN Cable Tester With Toner Probe, Continuity Check, Toolkit
Aliexpress UK
28pcs Universal Radiator Pressure Tester and Vacuum Type Cooling System Kit. 1 x Vacuum Type Cooling System Purge and Refill Tool Kit for quick change of coolant. Allows easy testing for leakage in radiator system and quick change of coolant.
eBay
1577/1490 nm Optical Power Meter, Orientek HY-613EPON/10G EPON/XGPON network Tester, Tester FC/SC/ST
Aliexpress UK