The Cléon-Alu engine, also known under the code "A engine" or "A-Type" (A for aluminium) is an automotive gasoline internal combustion engine, developed and produced by Renault in 1960. A four-stroke inline four-cylinder design with aluminium-alloy block and cylinder head, it was water cooled, with a five main bearing crankshaft and a side-mounted chain-driven camshaft operating eight overhead valves via pushrods and rockers. It made its debut appearance on the Renault 16.« Cléon - Association RENAULT HISTOIRE » Association RENAULT HISTOIRE
AxK
The AxK displaces from a bore and stroke of . Applications: A1K Renault 16 1967–1970 Lotus Europa S1 and S2 (types 46 and 54)
AxL The AxL displaces 1.6 L, from either , , or . All of these variants share an stroke, with bores of . The original engine numbers are type 807/821/851 for the smallest engine, 807-G for the 1596-cc Gordini engine, and type 844 for the largest version.
Applications: A2L 1968–1980 Renault 16 1971–1976 Renault 15 TS 1972–1976 Renault 17 TL 1970–1973 Renault 12 Gordini 1972–1974 Renault 12 Gordini 1973–1975 Alpine A110 1600 S 1971–1974 Alpine A310 1600 VE 1969–1970 Lotus Europa S2 Federal (type 65) A5L Turbo –1984 Renault 18 Turbo 1983–1985 Renault Fuego Turbo A7L 1985– Renault R18 A7L –1984 Renault 18 Turbo
AxM The AxM displaces from a bore and stroke of . It was originally known as the type 841 or 843, depending on output. Often used as a designator for the Renault R17 Gordini sub-model in the USA market 843/13. , Compression Ratio 9.25:1 with Bosch L-Jetronic Fuel Injection and standard distributor with points/condenser for timing.
A1M 1981–1986 Renault Trafic A2M / 841 –1984 Renault 18 1985–1986 Renault 18 1982–1985 Renault Fuego GTL A6M / 843 1975–1976 Alpine A310 –1984 Renault 18 1975–1980 Renault 16 TL 1975–1981 Renault 20 L/TL/GTL 1985–1986 Renault 18 1980–1985 Renault Fuego TS/GTS
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