Exhausts, CATS and accessories 44 www.aftermarketonline.net NOVEMBER 2025 DENSO says an effective and inexpensive method of combatting a failed MOT emissions test — and ensuring the lowest possible levels are passed into the atmosphere from an ICE vehicle — is to upgrade spark plugs from standard nickel to its iridium twin tip (TT) plugs. Finer electrodes make these improvements possible, with iridium TT having a ground electrode of just 0.7 mm diameter and the centre electrode even smaller at 0.4 mm, DENSO said. These finer electrodes provide less masking to the flame and significantly reduce flame quenching, compared to larger nickel electrodes. The flame is therefore able to grow more quickly, burning more of the fuel and providing more efficient combustion, enabling the fuel to be used more efficiently and reducing CO2 emissions. The OE supplier said its components provide the ideal replacement solution when workshops are servicing and repairing both petrol and diesel engines. Visit www.denso-am.eu for full programme details. Driving down emissions Despite the rise in the number of EVs, turbocharged internal combustion engines remain dominant in the service and repair sector. Industry forecasts project a 10% plus growth in the turbocharger market by 2030, with the independent aftermarket expected to account for more than 50% of the replacements, within a decade. Driving the growing demand are stricter emissions regulations, the prevalence of downsized engines and the increasing complexity of turbocharging technologies. In this vibrant market, Nissens Automotive has positioned itself as a leading provider of premium aftermarket turbochargers. As the demand for turbocharged engines continues to grow, Nissens stands ready to meet the challenges of the evolving market, ensuring that aftermarket professionals have the products, technical insight and support they need to succeed. See www.nissens.com/ experts for technical insights. Boosting performance 6SDUNLQJ HᎰFLHQF\ Motaquip has expanded its engine management and emissions portfolio — 11 fuel vapour valves (FVV) and 19 NOx sensors — to meet growing demand for the components in the automotive aftermarket. The new products ensure vehicles remain efficient and compliant with environmental regulations, Motaquip said. Additionally, the range helps to reduce oil dilution and engine wear, support fuel efficiency, and is designed to prevent clogging. And from a technician’s perspective, no specialist tools are required when fitting the FVV. To meet stringent Euro 6 standards, particularly the sharp reduction in NOx limits for diesel vehicles, modern exhaust systems rely heavily on real-time data from NOx sensors. Motaquip said its NOx sensors complement its existing range of engine management and emissions products. Visit https://motaquip. com/engine-management/ for latest information. Photo: Nissens
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