Look up retrofit in Wiktionary, the free dictionary.

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Retrofitting refers to the addition of new technology or features to older systems. An example of this is car customizing, where older vehicles are fitted with new technologies; power windows, cruise control, remote keyless systems, electric fuel pumps, etc. Particularly popular amongst auto enthusiasts is the process of correctly retrofitting OEM HID projectors into their outdated factory or aftermarket headlamps. The whole system is purchased off of such auction websites, where through careful assembly, the head lamps are opened and worked on. Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... Image File history File links Broom_icon. ... A custom 1974 Ford Taunus 2000 GXL. The car has had a roof chop, been shaved of all trim, with vents cut into the rear quarter panels and an all steel body kit moulded into the body. ... Electric window controls between the front seats, including lockout switch (2005 Saab 9-5). ... Cruise control (sometimes known as speed control or Autocruise) is a system to automatically control the speed of an automobile. ... Entry remote for a Chrysler vehicle. ... mechanical fuel pump, fitted to cylinder head Electric fuel pump Petro-Canada Fuel Pump used to transfer fuel at a gas station. ... Original equipment manufacturer, or OEM, is a term that refers to containment-based re-branding, namely where one company uses a component of another company within its product, or sells the product of another company under its own brand. ... 15 kW Xenon short-arc lamp used in IMAX projectors High-intensity discharge (HID) lamps include these types of electrical lamps: mercury vapor, metal halide (also HQI), high-pressure sodium (Son), low-pressure sodium (Sox) and less common, xenon short-arc lamps. ...

Retrofitting may also refer to the process of strengthening older buildings in order to make them earthquake resistant (See also Seismic retrofit). This article is about the natural seismic phenomenon. ... Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. ...

Principally retrofitting describes the measures taken in the manufacturing industry to allow new or updated parts to be fitted to old or outdated assemblies. The production of retrofit parts is necessary in manufacture when the design of a large assembly is changed or revised. If, after the changes have been implemented, a customer (with an old version of the product) wishes to purchase a replacement part then retrofit parts and assembling techniques will have to be used so that the revised parts will fit suitably onto the older assembly.

See also

• Diesel particulate filter (DPF)

A diesel particulate filter (top left) in a Peugeot A diesel particulate filter, sometimes called a DPF, is device designed to remove diesel particulate matter or soot from the exhaust gas of a diesel engine, most of which are rated at 85% efficiency, but often attaining efficiencies of over 90...

External links

• Diesel retrofit glossary.
• Diesel Retrofits Help Clean Regions' Air.
• FAQ.