Citroën

From HDi engines of the 1990s to the PureTech and BlueHDi units of the 2020s: the Citroën collection in perspective

The Citroën collection spans nearly forty years of production, from the Saxo and ZX through to the more recent C4 Cactus, DS5 and Spacetourer. This broad chronological range translates into genuine technical diversity: the earliest generations of 1.9 HDi and 2.0 HDi (engine codes RHY, RHZ, DW10TD on the 2.0 HDi 90 and 107–110 hp) sit alongside the 1.5 BlueHDi (DV5RD, DV5RE, YH01) and 1.2 PureTech (EB2DT, EB2ADTS, HNZ, HNP…) units that came much later. Three part families make up the range: engines (the largest category), gearboxes, and turbos.

5-speed or 6-speed, manual or automated: a divide that follows the generations

Models produced up to the mid-2000s were fitted predominantly with 5-speed manual gearboxes. From the second-generation C4 onwards, the facelifted C5, and the more recent Jumper and Jumpy light commercials, the 6-speed manual became the norm. Alongside this, Citroën introduced two automated gearboxes with their own architecture: the SensoDrive (found notably on the C2 and first-generation C3) and the BMP6, as well as the ETG6 and BMP5 on certain versions. These automated gearboxes are supplied without the actuator or robot unit, which is a critical point to check before placing any order.

Identification guide: why the engine code takes priority over engine capacity

A single commercial designation can cover several distinct units. The 1.6 HDi is a perfect example: codes DV6ATED4 and DV6B correspond to the first-generation 75 and 90 hp versions, while 9HJ, 9HP, 9HS, 9HX, 9HZ apply to the 90–112 hp next-generation units, and BHX, BHZ, BHY designate the BlueHDi 100–120 hp variants. Equally, the 1.2 PureTech 110 and 130 hp comes in various forms depending on the year: EB2DT, EB2DTS, EB2ADT, EB2ADTS, HNP, HNS, HNY or HNZ. The engine code stamped on the block — not the power output shown on the licence or on the registration document — is the only reliable way to match a reconditioned part to the correct vehicle.

Most represented models and key points to watch by application

The C4 and the Jumper dominate the collection, followed by the C3 and the Berlingo. The Jumper and Jumpy, used intensively as light commercials, place particularly heavy demands on 6-speed gearboxes and 2.2 HDi units (codes 4HU, 4HV, 4HH, 4HJ) or 3.0 HDi units (F1CE0481D, F1CE3481E); availability on an exchange basis for these references is a real advantage in minimising vehicle downtime. The DS3 and DS4 share a broad mechanical base with the C3 and C4 of their respective generations, which simplifies identification — provided you verify the year of manufacture: the same DS3 body could be fitted with the 1.6 HDi coded 9HP or the 1.6 BlueHDi coded BHY, depending on the model year.