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Compressor oil and refrigerant: Mixing old and new

With the new R1234yf refrigerant reaching Europe this year, DENSO’s A/C experts explain which mixtures will work, and how to avoid causing costly damage by using incorrect oils.
Compressor cutaway

Ignition system troubleshooting tips to maximise lifetime

DENSO explains the key to effective combustion and how to accurately diagnose faults in ignition systems
Denso ignition coil graphic

DENSO tech tips can maximise winter spark plug sales

DENSO, one of the largest manufacturers of ignition products in the aftermarket, explains how good service can maximise spark plug sales during the winter period and beyond
Denso irsip irtt

Compressor oil: all you need to know

The most common error made during installation and servicing, improper compressor oil, is the most avoidable. DENSO explains how to avoid these simple yet costly errors.
AC compressor packaging

Seven essential steps of an A/C service

Like any other system in the car, air-conditioning needs regular maintenance to ensure good performance and prevent expensive repairs. DENSO takes a look at the seven basic steps to follow in order to carry out a complete vehicle air-conditioning service.
A4 portrait 5mm hub compressor rgb