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Specialist Tools
By OE Match
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
- Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
- Porsche Boxster Spyder / Spyder RS 718 4.0L 01/2019>>
- Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp) 01/2020>>
- Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp) 01/2020>>
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
- Porsche Cayman GT4 Clubsport
- Porsche Cayman GT4 RS Clubsport 2020-2024
Coolant Pressure Testing / Purge Cap – Essential Tool for Cooling System Diagnostics & Maintenance
This coolant pressure testing and purge cap is purpose-built for the Porsche 718 Boxster and 718 Cayman, allowing technicians to accurately test, diagnose and bleed the cooling system. It replaces the standard coolant reservoir cap during servicing and enables direct connection to pressure testers, vacuum purge systems and coolant refilling equipment.
The 718’s turbocharged flat-four engine operates under high thermal load, and its cooling system relies on precise pressure levels to maintain performance and prevent overheating. This specialised cap ensures that coolant pressure tests are accurate and reliable, helping technicians detect leaks, verify system integrity and properly purge air after coolant replacement.
What This Coolant Pressure / Purge Cap Does
This tool allows you to:
- Connect a pressure testing system to check for leaks
- Verify pressure stability across hoses, radiators, gaskets and coolant tank
- Support vacuum filling and coolant purging after service
- Identify failing components early, such as water pumps or coolant leaks
- Ensure complete air removal, preventing hot spots and overheating
- Aid in diagnosing coolant loss, pressure drop or overheating problems
It is an essential tool for workshop-level cooling system maintenance on the 718 platform.
Why Coolant Systems Fail on the Porsche 718
The 718 Boxster/Cayman cooling system may develop faults
caused by:
- Age-related hose deterioration
- Weak or failing coolant reservoir caps losing pressure
- Small leaks in radiators, water pumps or O-rings
- Air pockets trapped after coolant service
- Thermal expansion stress from spirited driving or track use
- Clogged or restricted coolant passages
- Faulty expansion tank fittings
A pressure test using a proper purge/testing cap is the fastest way to locate these issues before significant engine damage occurs.
Why You Should Use or Replace the Coolant Test/Purge Cap
A high-quality cap ensures:
- Accurate coolant pressure readings
- Fast detection of hidden leaks
- Proper bleeding of the cooling system after service
- Reliable seal under pressure, unlike worn standard caps
- Reduced risk of overheating or coolant boil-over
- Professional-quality servicing for Porsche 718 engines
Replacement is recommended when a cap becomes worn, cracked, or fails to hold pressure during diagnostic procedures.
OEMatch Specialist Tools — Fit, Function, Confidence
Specialist tools are central to accurate Porsche engine work, from initial strip-down to final torque checks. OEMatch focuses on Porsche applications, supporting detailed rebuilds, diagnosis and assembly so work can be carried out methodically on both classic and modern engines.
- Engine rebuild fixtures and holding tools
- Measurement and inspection tools for critical clearances
- Timing, locking and alignment tools for Porsche applications
- Tools to aid safe removal and installation of internal components
- Equipment to support diagnostic checks during and after assembly
Understanding OEMatch Specialist Tools
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original specialist tools. OE (Original Equipment) refers to parts matching original specifications for the specialist tools and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM specialist tools engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. Many owners search for genuine or OEM specialist tools; these are direct-fit alternatives designed to match the original form, fit and function. Porsche engines rely on tight tolerances, controlled clamping loads and model-specific procedures, so using equipment designed around these requirements helps maintain accuracy when dismantling, measuring and rebuilding. OEMatch concentrates on Porsche-focused tools that assist with measurement, timing, installation and verification tasks so work can be completed in a controlled, repeatable way.
- Support for precise measurement of bores, deck height, ring gaps and valve clearances
- Purpose-made fixtures for crankshaft, piston, liner and bearing handling
- Timing aids for camshaft alignment and intermediate shaft positioning
- Tools that reduce the likelihood of damage during removal and refitting
- Equipment that assists with even torque application on fasteners and critical joints
- Support for leak-down, compression and similar diagnostic checks
Why Specialist Tools Wear and Fail
- Metal fatigue from repeated loading during pressing, pulling or clamping
- Stripped or worn threads where tools are frequently tightened and released
- Corrosion or surface degradation from moisture, cleaning fluids or workshop chemicals
- Heat exposure when working close to exhaust components or cylinder heads
- Loss of calibration on measurement and torque tools over extended use
- Damaged contact faces or adaptors due to misuse or excessive force
- Contamination from swarf and workshop debris affecting accuracy and operation
The Importance of Replacing with OEMatch Specialist Tools
Refreshing worn equipment or adding Porsche-focused tools from OEMatch helps support accurate, consistent working practices during engine rebuilds. Where generic tools may not match Porsche-specific geometry or access, dedicated items can help reach critical fasteners, support assemblies correctly and provide clear measurements. For owners and workshops working on restoration, top-end repairs or full rebuilds, this contributes to controlled assembly procedures and supports long-term engine reliability.
- Support for accurate measurement of critical Porsche engine dimensions
- Improved control when installing and removing internal components
- Better torque and alignment consistency across repeated jobs
- Tools chosen around common Porsche engine procedures and layouts
- Support for safer handling of components during demanding workshop tasks
- Potential time savings when performing complex operations repeatedly
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.