- Cylinder block and crankshaft - 6 cylinder models
- Cylinder head, camshaft and valve train - 2.9 litre 6 cylinder models
- Cylinder head, camshaft and valve train - 3.6 litre 6 cylinder models
- Cylinder head, camshaft and valve train - 3.2 and 4.0 litre 6 cylinder models
- Cylinder block and crankshaft - 12 cylinder models
- Cylinder head, camshaft and valve train - 12 cylinder models
- Tappet adjusting pads - 2.9 litre 6-cylinder models 2.9 from VIN...500001 to 629285 (1986-90)
- Tappet adjusting pads - 3.2, 3.6 and 4.0 litre 6-cylinder models 3.2, 3.6 and 4.0 with AJ6 engine from VIN...500001 to 708757 (1986-94)
- Tappet adjusting pads - 12 cylinder models 6.0 V12 from VIN...667829 to 708757 (1992-94)
- Engine mountings - 12 cylinder models
- Engine breather system - 6 cylinder models
- Exhaust emission control system - 6 cylinder models
- Exhaust emission control system - 12 cylinder models
- Oil cooler