Reconditioned Ford C-Max Engine

On the C-Max, every engine has its own code: 40 distinct codes cover six engine variants between 2003 and 2019

The engine code is the only reliable starting point here. A C-Max 1.5 EcoBoost can carry one of sixteen different codes — from BNMA to UNCK — depending on the year and power variant. A 1.8 TDCi comes in ten codes (18DIT, FFBA, HCPC, KKDA, KKDB, QYBA, QYWA, RWPA, RWPC, RWPD), and a 2.0 TDCi in seven (G6DA to G6DG). Two engines of identical capacity can therefore correspond to physically different units: ordering without checking the code stamped on the engine risks an incompatibility.

Diesel: from 1.6 to 2.0, engine families with no crossover

The 1.6 TDCi (T1DA, T1DB) and the 1.5 TDCi (XUJG, XVGA, XVGB, XVGC, XVGVA, XWDE, XXDC) are two entirely separate families: no parts are interchangeable between them despite their similar capacity. The 1.8 TDCi, fitted to the C-Max from 2003 to 2010, is notable for the variety of its codes — KKDA and KKDB denote different power variants within the same architecture. The 2.0 TDCi covers the same period with seven codes (G6DA to G6DG) corresponding to distinct emissions standards and power outputs.

Petrol: 1.0 and 1.5 EcoBoost — codes not to be mixed up

The 1.0 EcoBoost comes in just three codes (M1DD, M1JA, SFJD), which makes identification straightforward. The 1.5 EcoBoost is, by contrast, the most complex engine in the C-Max range, with sixteen codes split across two main families prefixed M8, M9 and UNC — each corresponding to a generation or calibration variant. Checking the code stamped on the block before placing any order remains essential, regardless of which engine is involved.