Reconditioned Kia Sportage Turbo

Whether diesel or petrol, the Sportage takes a different turbo depending on the engine code — not just the engine capacity

On the Kia Sportage, two similar engine capacities — 2.0 and 1.7 in diesel, 2.0 and 1.6 in petrol — do not share the same turbo, and within a given capacity, references vary according to the engine code. Correct identification requires the engine code stamped on the block, not simply reading the registration document.

Diesel: D4HA and D4FD — two clearly distinct families

The 2.0 CRDi is based on the D4HA block, a variable-geometry turbo whose most common OEM references are 28231-2G420, 28231-2G400 and 28231-2G410, with equivalent references 794097-5003S, 794097-5001S or 824168-5002S depending on the variant. The 1.7 CRDi 116 hp uses the D4FD block, with different references: 784114-5003S, 28231-2F000, 28231-2F001. Mixing up the two turbos is a common mistake, as their external dimensions are similar. On these diesel blocks, the most well-documented causes of failure are a clogged EGR circuit and degraded engine oil that starves the bearings of lubrication; a whistling noise under acceleration or persistent black smoke are the most common symptoms. Addressing the root cause before replacing the turbo is essential — failing to do so risks destroying the new part.

Petrol T-GDi: Theta 2 and G4FJ — fixed geometry and wastegate

On the petrol side, the 2.0 T-GDi uses the Theta 2 (2L-THETA2) block with a wastegate turbo — references 53039880432, 282302F600, 28231-2F600. The 1.6 T-GDi 177 hp, code G4FJ, takes a separate turbo with references 16399880016, 282312B760, 282312B810 and 285002B760. On high-pressure direct-injection petrol engines, an air leak on the intake circuit or a foreign object that has damaged the compressor wheel are the most frequent causes of failure; a gradual loss of power with the engine entering limp mode is the characteristic warning sign. All turbos listed on this page are new, supplied with their OEM reference or an identified equivalent reference.