Volvo EPA2007 D13F Reference Manual page 19

Component Features and Materials
Air compressor
Camshaft
Coolant conditioner
Connecting rods
Crankshaft
Cylinder block
Cylinder head
Valve cover
Cylinder liner
Cylinder head — Valve springs
Cylinder head — Valve guides
Cylinder head gasket
Cylinder head bolts
Timing gear cover (rear of cylinder head)
Flywheel housing
Fuel filters
Item
SPECIFICATIONS 13
Description
Flange mounted, oil lubricated, water
cooled
Induction hardened, gear driven
Spin-on type, disposable
Forged steel, cracked cap design
Drop forged steel, induction hardened,
seven main bearings
In-line six cylinder, nodular iron,
machined with bearing caps, stiffener
plate, timing gear mounting plate, guide
dowels for cylinder head; wet replaceable
cylinder sleeves
One-piece cast iron alloy; overhead
camshaft, four valves per cylinder, unit
injectors; cast iron valve guides and oil
seals; steel valve seats; valve alignment
12 degrees from perpendicular; copper
injector sleeves; integral fuel passages
and thermostat housing; guide slots for
installation on block
Plastic, 20 spring tension screws
Wet Sleeve; replaceable; with EDPM
rubber and Viton seals
Double springs on each exhaust valve
Cast iron, replaceable; with oil seals
One-piece steel stamping; elastomer seals
added; one-time bosses to aid in head
installation
M16 (38)
Die-cast aluminum, elastomer seals
Die-cast aluminum
One main, one pre-filter