Engine

The 4.2 V8 (ABZ) with its block, cylinder heads, crankshaft, pistons, timing belt drive, ignition, lubrication, accessory drive and mounts.

236 parts · 137 fasteners · 15 photo · 12 catalogue · 124 published · 222 generic

Facts

Source-linked facts. Values transcribed by an AI agent stay unverified until a person has checked them.

PropertyValueSourceState
Engine typeV8 naturally aspirated, four valves per cylinderAudi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
Displacement4172 cm³Audi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
Bore84.5 mmAudi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
Stroke93 mmAudi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
Compression ratio10.8:1Audi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
Rated power220 kWAudi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
Rated power metric hp300 PSAudi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
Rated power speed6000 rpmAudi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
Rated torque400 N·mAudi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
Rated torque speed3300 rpmAudi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
Mixture and ignitionMotronic M 5.4Audi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
FuelSuper unleaded, 98 RONAudi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified
Emission controlStereo lambda control with two catalytic convertersAudi Self-Study Programme 161: The Audi A8 (V8 engine technical data) · p. 6unverified

Parts

PartOEM numberEvidence
4.2 V8 engine (ABZ)published
Accessory drivepublished
Alternator pulley Ø54published
Poly-V belt 21.36 × 2680 (6 ribs)catalogue
Automatic belt tensioner (arm, roller, torsion spring, hydraulic damper)published
Vibration damper / crank pulley Ø155published
Idler pulley Ø87published
Cylinder block assemblypublished
Cylinder bores — left (5-8) bankpublished
Cylinder bores — right (1-4) bankpublished
Cylinder block (aluminium, 90° V8)published
Main bearing cap 1generic
Main bearing cap 2generic
Main bearing cap 3generic
Main bearing cap 4generic
Main bearing cap 5generic
Crankshaft assemblypublished
Crankshaft (forged, cross-plane)published
Flexplate with starter ring gearpublished
Cylinder head — left bank (5-8)generic
Cylinder head casting — leftgeneric
Cylinder head gasket — leftgeneric
Cam cover — left (weathered aluminium, as photographed)photo
Camshaft chain (rear) — leftpublished
Intake camshaft — leftgeneric
Exhaust valve — cyl 5published
Hydraulic lifter — cyl 5published
Valve spring — cyl 5generic
Exhaust valve — cyl 5published
Hydraulic lifter — cyl 5published
Valve spring — cyl 5generic
Intake valve — cyl 5published
Hydraulic lifter — cyl 5published
Valve spring — cyl 5generic
Intake valve — cyl 5published
Hydraulic lifter — cyl 5published
Valve spring — cyl 5generic
Exhaust valve — cyl 6published
Hydraulic lifter — cyl 6published
Valve spring — cyl 6generic
Exhaust valve — cyl 6published
Hydraulic lifter — cyl 6published
Valve spring — cyl 6generic
Intake valve — cyl 6published
Hydraulic lifter — cyl 6published
Valve spring — cyl 6generic
Intake valve — cyl 6published
Hydraulic lifter — cyl 6published
Valve spring — cyl 6generic
Exhaust valve — cyl 7published
Hydraulic lifter — cyl 7published
Valve spring — cyl 7generic
Exhaust valve — cyl 7published
Hydraulic lifter — cyl 7published
Valve spring — cyl 7generic
Intake valve — cyl 7published
Hydraulic lifter — cyl 7published
Valve spring — cyl 7generic
Intake valve — cyl 7published
Hydraulic lifter — cyl 7published
Valve spring — cyl 7generic
Exhaust valve — cyl 8published
Hydraulic lifter — cyl 8published
Valve spring — cyl 8generic
Exhaust valve — cyl 8published
Hydraulic lifter — cyl 8published
Valve spring — cyl 8generic
Intake valve — cyl 8published
Hydraulic lifter — cyl 8published
Valve spring — cyl 8generic
Intake valve — cyl 8published
Hydraulic lifter — cyl 8published
Valve spring — cyl 8generic
Exhaust camshaft — leftgeneric
Cylinder head — right bank (1-4)generic
Cylinder head casting — rightgeneric
Cylinder head gasket — rightgeneric
Cam cover — right (weathered aluminium, as photographed)photo
Camshaft chain (rear) — rightpublished
Intake camshaft — rightgeneric
Exhaust valve — cyl 1published
Hydraulic lifter — cyl 1published
Valve spring — cyl 1generic
Exhaust valve — cyl 1published
Hydraulic lifter — cyl 1published
Valve spring — cyl 1generic
Intake valve — cyl 1published
Hydraulic lifter — cyl 1published
Valve spring — cyl 1generic
Intake valve — cyl 1published
Hydraulic lifter — cyl 1published
Valve spring — cyl 1generic
Exhaust valve — cyl 2published
Hydraulic lifter — cyl 2published
Valve spring — cyl 2generic
Exhaust valve — cyl 2published
Hydraulic lifter — cyl 2published
Valve spring — cyl 2generic
Intake valve — cyl 2published
Hydraulic lifter — cyl 2published
Valve spring — cyl 2generic
Intake valve — cyl 2published
Hydraulic lifter — cyl 2published
Valve spring — cyl 2generic
Exhaust valve — cyl 3published
Hydraulic lifter — cyl 3published
Valve spring — cyl 3generic
Exhaust valve — cyl 3published
Hydraulic lifter — cyl 3published
Valve spring — cyl 3generic
Intake valve — cyl 3published
Hydraulic lifter — cyl 3published
Valve spring — cyl 3generic
Intake valve — cyl 3published
Hydraulic lifter — cyl 3published
Valve spring — cyl 3generic
Exhaust valve — cyl 4published
Hydraulic lifter — cyl 4published
Valve spring — cyl 4generic
Exhaust valve — cyl 4published
Hydraulic lifter — cyl 4published
Valve spring — cyl 4generic
Intake valve — cyl 4published
Hydraulic lifter — cyl 4published
Valve spring — cyl 4generic
Intake valve — cyl 4published
Hydraulic lifter — cyl 4published
Valve spring — cyl 4generic
Exhaust camshaft — rightgeneric
Ignitionphoto
Ignition coil — cyl 1 (BERU)058 905 105photo
Ignition coil — cyl 2 (BERU)058 905 105photo
Ignition coil — cyl 3 (BERU)058 905 105photo
Ignition coil — cyl 4 (BERU)058 905 105photo
Ignition coil — cyl 5 (BERU)058 905 105photo
Ignition coil — cyl 6 (BERU)058 905 105photo
Ignition coil — cyl 7 (BERU)058 905 105photo
Ignition coil — cyl 8 (BERU)058 905 105photo
Spark plug — cyl 1101 000 052 AAcatalogue
Spark plug — cyl 2101 000 052 AAcatalogue
Spark plug — cyl 3101 000 052 AAcatalogue
Spark plug — cyl 4101 000 052 AAcatalogue
Spark plug — cyl 5101 000 052 AAcatalogue
Spark plug — cyl 6101 000 052 AAcatalogue
Spark plug — cyl 7101 000 052 AAcatalogue
Spark plug — cyl 8101 000 052 AAcatalogue
Idle air control valve N71published
Air control valve for injectors N212published
Intake manifold change-over valve N156published
Air-mass meter (hot film)published
Throttle position sensorgeneric
Engine mountsgeneric
Engine support arm — leftgeneric
Hydraulic engine mount — leftgeneric
Engine support arm — rightgeneric
Hydraulic engine mount — rightgeneric
Pistons & connecting rodspublished
Cylinder 1 — piston & rodgeneric
Gudgeon pin 1generic
Piston 1 (Ø84.5)published
Piston rings 1 (set of 3)generic
Connecting rod 1generic
Cylinder 2 — piston & rodgeneric
Gudgeon pin 2generic
Piston 2 (Ø84.5)published
Piston rings 2 (set of 3)generic
Connecting rod 2generic
Cylinder 3 — piston & rodgeneric
Gudgeon pin 3generic
Piston 3 (Ø84.5)published
Piston rings 3 (set of 3)generic
Connecting rod 3generic
Cylinder 4 — piston & rodgeneric
Gudgeon pin 4generic
Piston 4 (Ø84.5)published
Piston rings 4 (set of 3)generic
Connecting rod 4generic
Cylinder 5 — piston & rodgeneric
Gudgeon pin 5generic
Piston 5 (Ø84.5)published
Piston rings 5 (set of 3)generic
Connecting rod 5generic
Cylinder 6 — piston & rodgeneric
Gudgeon pin 6generic
Piston 6 (Ø84.5)published
Piston rings 6 (set of 3)generic
Connecting rod 6generic
Cylinder 7 — piston & rodgeneric
Gudgeon pin 7generic
Piston 7 (Ø84.5)published
Piston rings 7 (set of 3)generic
Connecting rod 7generic
Cylinder 8 — piston & rodgeneric
Gudgeon pin 8generic
Piston 8 (Ø84.5)published
Piston rings 8 (set of 3)generic
Connecting rod 8generic
Secondary airpublished
Secondary-air distribution pipegeneric
Secondary-air pumppublished
Secondary-air pump outletgeneric
Timing drive (toothed belt)published
Timing belt (Gates PowerGrip)photo
Timing-belt damper (hydraulic tensioner)published
Cam sprocket leftpublished
Cam sprocket rightpublished
Lower timing covergeneric
Upper timing cover — leftgeneric
Upper timing cover — rightgeneric
Crank sprocketpublished
Timing idler roller Ø60077 109 244 Acatalogue
Timing tensioner roller Ø65077 109 243 Acatalogue
Water pump pulleygeneric
Secondary-air combi valve — leftpublished
Secondary-air connecting pipe — leftgeneric
Secondary-air combi valve — rightpublished
Secondary-air connecting pipe — rightgeneric
Secondary-air vacuum hosepublished
Secondary-air relay J299published
A/C compressor pulley Ø122published
Lubricationpublished
Oil dipstick & tube (left side, photographed)photo
Dipstick handle (orange)photo
Oil cooler (coolant-to-oil)published
Oil filler cap (left bank)photo
Oil filter Ø75 × 125077 115 561 Fcatalogue
Oil pump (crank-driven)generic
Oil sump upper (cast)generic
Oil pan lower (sheet)published
Coolant temperature sensor G62published
Coolant temperature sender G82 (on engine)published
Engine speed sensor G28published
Knock sensorpublished
Knock sensorpublished
Oil pressure switch 0.3 barpublished
Power-steering pump pulley Ø112published

Fasteners

Grouped by specification. Each fastener is also its own part object in the API (?fastener=true).

SpecificationTypeCountTorque
Hex flange bolt M6×25flange42
Triple-square bolt (XZN) M11×180xzn20
Hex flange bolt M6×16flange16
Socket-head cap screw M8×45socket16
Hex bolt M10×90hex10
Socket-head cap screw M6×30socket9
Hex bolt M10×22hex8
Hex bolt M10×40hex6
Hex bolt M8×60hex6
Flange nut M12flange_nut2
Hex bolt M14×18hex1
Hex bolt M16×60hex1450 N·m

Machine-readable