2P6202 CAMSHAFT GROUP Part of 3N3210 Basic Engine Arrangement listed on Page 12 3306 MARINE ENGINE

3N3916 CYLINDER HEAD GROUP
Part of 3N3210 Basic Engine Arrangement listed on Page 12
4N7446 Cylinder Head parts are shown on Page 22
Only separate parts serviced

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Parts for your 3306 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7S-8809 C	[6]	VALVE (Intake)
2.	2A-4429	[24]	LOCK
3.	5S-5912	[12]	RETAINER
4.	7S-7144	[12]	SPRING
5.	8S-3970	[6]	CHAMBER ASSEM.
	7S-3206	[6]	SEAL
	2S-8966	[6]	KIT (Gasket)
6.	7S-6767 C	[6]	VALVE (exhaust)
7.	4N-7446 Y	[1]	HEAD ASSEM.
			(Separate Illustration)
8.	5S-6281	[1]	GASKET
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#UEG0679S0023

4N-7446: CYLINDER HEAD AS

CYLINDER HEAD AS

4N7446 CYLINDER HEAD ASSEMBLY
Part of 3N3916 Cylinder Head Group shown on Page 21

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Parts for your 3306 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1S-3062	[18]	DIRECTOR
2.	2B-0858 C	[3]	PLUG
3.	3B-0623	[6]	PLUG
4.	3S-8313	[7]	PLUG
5.	1P-6367	[1]	COVER
6.	5S-6735	[1]	GASKET
7.	0S-1594	[4]	BOLT
	3B-4506	[4]	LOCKWASHER
8.	2P-1262	[12]	GUIDE
9.	5S-7218	[6]	INSERT (intake)
10.	5S-7221	[6]	INSERT (exhaust)
	C		INDICATES CHANGE

#UEG0679S0024

2P-6530: COVER GP-CYLINDER HEAD

COVER GP-CYLINDER HEAD

2P6530 CYLINDER HEAD COVER GROUP
Part of 3N3210 Basic Engine Arrangement shown on Page 12

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2P6530 COVER GP-CYLINDER HEAD Parts scheme

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Parts for your 3306 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1P-6367	[1]	COVER
	5S-6735	[1]	GASKET
2.	2P-3201	[4]	BOLT (Washer Head)
			-OR-
	0S-1594	[4]	BOLT (1 in.) long
	5M-2894	[4]	WASHER

#UEG0679S0025

3N-2890: LIFTING EYE GROUP

LIFTING EYE GROUP

3N2890 LIFTING EYE GROUP
Part of 3N3210 Basic Engine Arrangement listed on Page 12

c117683 UEG0679S

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Parts for your 3306 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Qty	Parts name
1.	[1]	NUT
2.	[1]	PLATE
3.	[2]	EYE

#UEG0679S0026

2P-6526: VALVE-MECHANISM GP

VALVE-MECHANISM GP

2P6526 VALVE MECHANISM GROUP
Part of 3N3210 Basic Engine Arrangement listed on Page 12

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Parts for your 3306 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-9203	[1]	SHAFT ASSEM.
	0L-1026	[2]	PLUG (.50 in. Diameter)
2.	5S-5879	[1]	BRACKET
	5M-4606	[1]	DOWEL
3.	4B-4910	[5]	SPRING
4.	9H-1110	[12]	WASHER
5.	5S-5879 C	[4]	BRACKET
6.	5S-6855	[6]	ARM ASSEM. (Exhaust)
7.	5S-6854	[6]	ARM ASSEM. (Intake)
8.	8S-1499	[1]	BRACKET ASSEM.
	3F-6795	[1]	DOWEL
9.	9M-9886	[2]	WASHER
	9H-1112	[2]	SPRING
10.	1B-4203	[12]	NUT
11.	5S-5917 C	[12]	SCREW
12.	5S-5918	[12]	ROD
13.	7S-3161	[12]	LIFTER
14.	9H-1113	[2]	RING
	C		INDICATES CHANGE

#UEG0679S0027

3N-2891: COVER GP-VALVE MECHANISM

COVER GP-VALVE MECHANISM

3N2891 VALVE MECHANISM COVER GROUP
Part of 3N3210 Basic Engine Arrangement listed on Page 12
Only separate parts serviced

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3N2891 COVER GP-VALVE MECHANISM Parts scheme

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Parts for your 3306 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Qty	Parts name
1.	[1]	COVER ASSEM.
2.	[15]	BOLT
	[15]	LOCKWASHER
3.	[1]	GASKET

#UEG0679S0028

2P-6153: FRONT HOUSING GROUP

FRONT HOUSING GROUP

2P6153 FRONT HOUSING GROUP
Part of 3N3210 Basic Engine Arrangement listed on Page 12
Only separate parts serviced

c117863 UEG0679S

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Parts for your 3306 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1P-9971	[ 1]	PLATE
	2P-1273	[ 1]	GASKET
2.	1P-9968	[ 1]	HOUSING ASSEM.
3.	2S-0042	[ 6]	STUD
4.	2P-1274	[ 1]	GASKET

#UEG0679S0029

3N-4923: COVER GP-FRONT HOUSING

COVER GP-FRONT HOUSING

3N4923 FRONT HOUSING COVER GROUP
Part of 3N3210 Basic Engine Arrangement listed on Page 12

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3N4923 COVER GP-FRONT HOUSING Parts scheme

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Parts for your 3306 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2P-8701	[1]	COVER (Front Housing)
2.	1B-4203	[6]	NUT
	5M-2894	[6]	WASHER
3.	2P-8702	[1]	GASKET
4.	2P-0220	[1]	GASKET
5.	2P-3203	[3]	BOLT
6.	3N-4922	[1]	COVER (Water Pump)
	2S-4241	[1]	PLUG
7.	0S-1566	[4]	BOLT
8.	5F-3106	[1]	SEAL
9.	5M-0596	[1]	COVER (Pump Drive Opening)