Fiat is the Italian automobile manufacturer for Fiat car engines, financial and industrial group based in Turin, Northern Italy, are available at enginesandgearboxes.co.uk as used, reconditioned or secondhand.

Fiat Group, or Fiat S.p.A., best known for Fiat cars, is , engine manufacturerFiat Twin Cam engine was designed by Aurelio Lampredi the Fiat Twin Cam was an advanced straight-4 automobile engine produced from 1959 through 1994 as a Fiat engine. As the name implies, it was a DOHC design, which was quite unusual in the late 1950s. A few non-DOHC variants were also produced. The engine was produced in a large number of displacements, ranging from 1297 cc to 1995 cc and was used in Fiat automobiles.

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JTD is Fiat Group's term for its current common rail turbodiesel engine range. The MultiJet name is used in the second generation common rail units.

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Fiat Bravo Engine
Fiat Cinquecento Engine
Fiat Punto Engine
Fiat Punto Mark 1, 2 & 3 Engine
Fiat Tipo Engine

The 1.3, there are two versions of this engine: a 70 PS (69 hp/51 kW) (used in the Fiat Punto, Panda, Palio / Albea) and a variable inlet geometry 90 PS (89 hp/66 kW) (used in the new Fiat Grande Punto). At the time of the launch this was the smallest four-cylinder Diesel engine available and has a fuel consumption of 72 mpg (3.3 L/100 km) in some applications. The engine is able to meet Euro IV pollution standards without the use of a diesel particulate filter.
A 1.6 L version of the engine, with a maximum power output of 120 PS (118 hp/88 kW) was announced for 2006, but there is still no official information on any future release.
The most common JTD engine is the 1.9 L straight-4 found in the Fiat Punto, Doblò, Stilo and Croma. It produces 80 PS (79 hp/59 kW) and reaches 36 mpg (6.6 L/100 km) in city driving, it was worlds first common rail diesel passenger car. In 1999 it was introduced with the Fiat Punto and Fiat Brava / Fiat Bravo / Fiat Marea. The engine block weighs approximately 125 kg. Most common model found is the 115bhp model as fitted to the Stilo. The Multijet second generation common rail has three versions. The 8-valve version has 120 bhp and 130 bhp with variable inlet geometry; and the 16 valve version has 150 bhp, that can be found on the Croma. Opel also uses a version of this engine. Their CDTI engine, manufactured in Pratola Serra, Italy and Kaiserslautern, Germany, is the product of the half-decade joint venture between GM and Fiat. There are three versions of this engine, a 150 PS/320 Nm (148 hp/110 kW), 120 PS (118 hp/88 kW), and 100 PS (99 hp/74 kW). Engineers are reportedly working on creating a V8 engine by mating two of these 1.9 L I4s at a common crankshaft. [citation needed] This may also spawn a V6 Diesel. Another future development is the application of variable valve timing on this engine.

The 2.4 L straight-5 version is based on the 2.4 125bhp 5 cylinder TD engine as used in the Mk1 Fiat Marea. The JTD version benefits from the solid build of the TD block, and an improved head/injection system. There are 2 versions of the 2.4JTD, a 10-valve as used in the Fiat Marea 130JTD. It was designed for transverse front-wheel drive use and was deemed too long and tall for widespread use in other GM or Fiat products. The multijet variant of this engine, capable for 200 PS (197 hp/147 kW) and currently used in Fiat Croma. Newest version of this engine is producing 210 PS.