116-4550 COVER GP-FRONT HOUSING CANNOT BE USED WITH AIR COMPRESSOR ALSO AN ATTACHMENT 3126 MARINE ENGINE

BASIC ENGINE

HOUSING GP-FRONT

0. 116-4550 COVER GP-F

VALVE MECHANISM GP

1. 115-4187 COVER GP-V
2. 120-9300 COVER GP-V

CRANKSHAFT GP

3. 113-6087 CRANKSHAFT

CYLINDER BLOCK GP

4. 129-1165 CYLINDER B
5. 221-4480 CYLINDER B
6. 221-4481 CYLINDER B

CYLINDER HEAD GP

7. 175-3217 CYLINDER H
8. 175-3218 CYLINDER H
9. 139-3528 CYLINDER H
0. INFORMATION

MARINE ENGINE 3126 MARINE ENGINE 6MK
3126 Marine Engine 6MK00001-UP SEBP3031 3126 6MK (1999)

BASIC ENGINE

HOUSING GP-FRONT

116-4550 COVER GP-FRONT HOUSING

121-0696 FASTENER GP-FRONT COVER

116-4556 FASTENER GP-FRONT HOUSING

101-4540 GEAR GP-FRONT

200-4496 GEAR GP-FRONT

116-4554 HOUSING GP-FRONT

#SEBP30310010

116-4550: COVER GP-FRONT HOUSING

COVER GP-FRONT HOUSING

116-4550 COVER GP-FRONT HOUSING
CANNOT BE USED WITH AIR COMPRESSOR
ALSO AN ATTACHMENT

i00483753 SEBP3031

1164550 COVER GP-FRONT HOUSING Parts scheme

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Parts for your 3126 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-0100 M	[2]	BOLT (M8X1.25X60-MM)
2.	6V-2317 M	[9]	BOLT (M8X1.25X30-MM)
3.	106-7920	[1]	COVER AS-FRONT
4.	7W-6552	[1]	GASKET
5.	1U-8846 B		SEALANT-GASKET
	B		USE AS REQUIRED
	M		METRIC PART

#SEBP30310011

115-4187: COVER GP-VALVE MECHANISM

COVER GP-VALVE MECHANISM

115-4187 COVER GP-VALVE MECHANISM
PROVIDES A TALL VALVE COVER WITH CLEARANCE FOR INJECTOR ROCKER ARM ON HEUI ROCKER ARM STANDS
AN ATTACHMENT

i00492702 SEBP3031

1154187 COVER GP-VALVE MECHANISM Parts scheme

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Parts for your 3126 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	119-2940	[1]	GASKET (VALVE COVER)
2.	6V-2315 M	[14]	BOLT (M6X1X35-MM)
3.	119-2962	[1]	COVER
4.	5P-0537	[14]	WASHER-HARD (7.2X14.5X2-MM THK)
	M		METRIC PART

#SEBP30310012

120-9300: COVER GP-VALVE MECHANISM

COVER GP-VALVE MECHANISM

120-9300 COVER GP-VALVE MECHANISM
FOR USE WITH TOP FRONT OIL FILL
AN ATTACHMENT

i00950529 SEBP3031

1209300 COVER GP-VALVE MECHANISM Parts scheme

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Parts for your 3126 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	119-2940	[1]	GASKET (VALVE COVER)
2.	6V-2315 M	[14]	BOLT (M6X1X35-MM)
3.	119-3014	[1]	COVER
4.	5P-0537	[14]	WASHER-HARD (7.2X14.5X2-MM THK)
5.	7E-5380	[1]	CAP-OIL FILLER (ENGINE)
	M		METRIC PART

#SEBP30310013

113-6087: CRANKSHAFT GP

CRANKSHAFT GP

113-6087 CRANKSHAFT GP

i00477419 SEBP3031

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Parts for your 3126 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	271-5658	[1]	CRANKSHAFT AS
1A.	1B-8705	[1]	KEY-WOODRUFF
1B.	2W-8147	[1]	GEAR (50-TEETH)
2.	212-4893 J	[1]	BEARING-THRUST (STANDARD)
	229-5153 AB		BEARING-THRUST (0.25-MM US)
	229-5154 AB		BEARING-THRUST (0.5-MM US)
	229-5155 AB		BEARING-THRUST (0.5-MM OS)
	229-5156 AB		BEARING-THRUST (0.5-MM OS, 0.5-MM US)
3.	107-7708 J	[6]	BEARING-MAIN (STANDARD)
	145-0168 AB		BEARING-MAIN (0.5-MM OS)
	145-0170 AB		BEARING-MAIN (0.5-MM OS, 0.5-MM US)
	145-0162 AB		BEARING-MAIN (0.25-MM US)
	145-0164 AB		BEARING-MAIN (0.5-MM US)

			AVAILABLE REPAIR KIT(S):
	7C-7980 AB		SLEEVE-OIL SEAL (CRANKSHAFT)
			(THIS WEAR SLEEVE IS USED ONLY TO SALVAGE (REPAIR) THE REAR SEAL SURFACE OF THE CRANKSHAFT)
	196-9519 AB		BEARING GP-MAIN (STANDARD)
			(INCLUDES STANDARD MAIN & THRUST BEARINGS)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	J		KIT MARKED J INCLUDES PART(S) MARKED J
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP30310014

129-1165: CYLINDER BLOCK GP

CYLINDER BLOCK GP

129-1165 CYLINDER BLOCK GP

i00949759 SEBP3031

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Parts for your 3126 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	221-4481 Y	[1]	CYLINDER BLOCK GP
2.	1W-8407	[2]	SLEEVE
3.	6V-3538	[2]	DOWEL
4.	7N-5683	[2]	DOWEL
5.	183-3409	[1]	PLUG AS
5A.	9S-8002	[1]	PLUG (7/16-20-THD)
5B.	033-5853	[1]	SEAL-O-RING
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP30310015

221-4480: CYLINDER BLOCK GP

CYLINDER BLOCK GP

221-4480 CYLINDER BLOCK GP
PART OF 221-4481 CYLINDER BLOCK GP

i01974590 SEBP3031

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Parts for your 3126 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
2.	7E-2968	[7]	CAP-CRANKSHAFT BEARING
3.	9X-8916 M	[14]	BOLT (M16X2X140-MM)
4.	5P-8247	[14]	WASHER-HARD (17X32X3.5-MM THK)
	M		METRIC PART

#SEBP30310016

221-4481: CYLINDER BLOCK GP

CYLINDER BLOCK GP

221-4481 CYLINDER BLOCK GP
PART OF 129-1165 CYLINDER BLOCK GP

i01974526 SEBP3031

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Parts for your 3126 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	221-4480 Y	[1]	CYLINDER BLOCK GP
2.	2M-6471	[2]	PLUG-CUP
3.	3H-5552	[1]	PLUG-CUP
4.	9S-8006	[1]	PLUG (7/8-14-THD)
5.	2M-9780	[1]	SEAL-O-RING
6.	216-5586	[1]	BUSHING (CAMSHAFT)
7.	2W-7213	[6]	BUSHING (CAMSHAFT)

	107-7604 ABF		SLEEVE-CYLINDER
			(FOR SALVAGE OF CYLINDER BORE IN BLOCK)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	F		NOT SHOWN
	Y		SEPARATE ILLUSTRATION

#SEBP30310017

175-3217: CYLINDER HEAD AS

CYLINDER HEAD AS

175-3217 CYLINDER HEAD AS
PART OF 175-3218 CYLINDER HEAD AS, 175-3219 CYLINDER HEAD GP
FIELD REPLACEMENT ORDER @@@@@175-3218@@@@@

i01198840 SEBP3031

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Parts for your 3126 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1W-2713	[6]	INSERT-VALVE SEAT (EXHAUST)
2.	163-9063	[6]	INSERT-VALVE SEAT (INLET)
3.	119-3061	[6]	SLEEVE
4.	8M-5860	[6]	PLUG-CUP

#SEBP30310018

175-3218: CYLINDER HEAD AS

CYLINDER HEAD AS

175-3218 CYLINDER HEAD AS
FIELD REPLACEMENT FOR @@@@@175-3217@@@@@

i01198858 SEBP3031

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Parts for your 3126 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	175-3217 Y	[1]	CYLINDER HEAD AS
2.	9Y-8848	[12]	GUIDE-VALVE
3.	9S-8003	[3]	PLUG (1/2-20-THD)
4.	1J-9671	[3]	SEAL-O-RING
5.	2M-6471	[2]	PLUG-CUP
6.	119-3036	[12]	SEAL-VALVE STEM
7.	9S-8002	[1]	PLUG (7/16-20-THD)
8.	3J-7354	[1]	SEAL-O-RING
	Y		SEPARATE ILLUSTRATION

#SEBP30310019

139-3528: CYLINDER HEAD GP

CYLINDER HEAD GP

139-3528 CYLINDER HEAD GP

i01198823 SEBP3031

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Parts for your 3126 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1J-9671	[3]	SEAL-O-RING
2.	175-3219 Y	[1]	CYLINDER HEAD GP
3.	8T-3282	[14]	WASHER-HARD (22X35X3.5-MM THK)
	127-4836 M	[14]	BOLT (M20X2.5X160-MM)
4.	2M-6471	[2]	PLUG-CUP
5.	205-1293	[1]	GASKET-CYLINDER HEAD
6.	8T-5030 M	[6]	BOLT (M10X1.5X120-MM)
7.	9S-8003	[3]	PLUG (1/2-20-THD)
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION