ThunderbirdsRGo - happy to oblige.
YV1 244 84 8 D6 893839
YV1 = Volvo Cars
244 = model
84 = engine (B23E)
8 = transmission (BW55)
D = year model 1983
6 = build location - Australia
893839 = chassis number
86 = market (Australia)
551 = Color code, suffix is not specified in the catalog
4334 = Interior / upholstery code
Red '973' sticker on timing cover = last 3 digits of the engine part number, i.e. 498973 (K-Jet, with Pulsair - see catalog)
References: TP 30176/6 (which is in Swedish) and the 240 79-84 parts book (which is also in Swedish... oh, plus German!)