JLG GM Engine Supplements User Manual
Page 45

3-9
SECTION 3 3.0L ENGINE
FIGURE 3-2. CYLINDER HEAD COMPONENTS
ITEM #
PART NUMBER
QTY.
DESCRIPTION
REV.
Ref
CYLINDER HEAD COMPONENTS
1
70000005
1
Cap, Oil Fill with Opening for PVC Valve
2
70001591
6
Bolt, Valve Cover
3
See Note
6
Plate, Valve Cover Hold-Down (Note: Not available for
purchase)
4
70001268
1
Cover, Valve
5
70000546
1
Gasket, Valve Cover
6
70001143
3
Bolt, Water Outlet
7
70001221
1
Neck, Water Outlet
8
Use
70000002
1
Thermostat (was p/n 70001284)
9
70000003
1
Gasket, Water Outlet Neck to Thermostat Housing (was
p/n 70001280)
10
70001325
1
Housing, Thermostat
11
70001143
3
Bolt, Water Outlet
12
70001153
10
Bolt, Cylinder Head
13
70001004
2
Plug, Cylinder Head Core Hole
14 to 30
Not Used
31
Use
70000004
1
Gasket, Thermostat Housing to Cylinder Head (was
p/n 70001282)
32 to 46
Not Used
47
70000548
1
Gasket, Cylinder Head
48
See Note
4
Plug, Spark (Note: See LONG BLOCK & DRESS KIT for
Breakdown)
49
70001326
4
Valve, Exhaust
50
8
Guide, Valve (Part of Item 68)
Use 70001320
All Engines except p/n 1001141139 used in Models 400S/
460SJ & 450A/460AJ Series II
Use 70003873
Models 400S/460SJ & 450A/460AJ Series II - p/n 1001141139
Engine Only
51
70001296
4
Valve, Intake
52
See Note
1
Bracket, Engine Lift (Note: See LONG BLOCK & DRESS KIT for
Breakdown)
53
See Note
2
Bolt, Left Bracket (Note: See LONG BLOCK & DRESS KIT for
Breakdown)
54 to 66
Not Used
67
70001275
8
Lifter, Valve
68
8
Rod, Valve Push (includes Item 50)
70001320
All Engines except p/n 1001141139 used in Models 400S/
460SJ & 450A/460AJ Series II
70003873
Models 400S/460SJ & 450A/460AJ Series II - p/n 1001141139
Engine Only
69
8
Stud, Valve Rocker Arm Ball Options:
70001630
.013 Oversize
70001631
.003 Oversize
70
70001283
8
Seal, Valve, Stem Oil
71
1
Head, Cylinder Options:
70001323
Tier 1 & 2 Engines
70002911
Tier 3 & 4 interim Engines
72
70001327
8
Spring, Valve