CYLINDER BLOCK AND COVERS--Side View--Part 1 of 2 Effective with Serial No. 57B486. 7M4303 Cylinder Block Assembly parts are shown on Page 22A. Note: 4M8166 Piston and Liner Group, 7M721 Cylinder Liner and Piston Replacement Gasket Kit and 8M6876 Valve Grinding Gasket Kit are available. Piston and Liner replacement require the use of 7M721 and 8M6876 Gasket Kits. D330A

BASIC ENGINE

CYLINDER BLOCK GP

0. CYLINDER B
1. CYLINDER B
2. CYLINDER B
3. CYLINDER B
4. 4M-9169 CYLINDER B
5. 7M-4303 CYLINDER B
6. 7M-4303 CYLINDER B

CRANKSHAFT GP

7. CRANKSHAFT

FLYWHEEL GP

8. FLYWHEEL

BALANCER GP

9. ENGINE BAL
0. INFORMATION

MARINE ENGINE D330A MARINE ENGINE 57B
D330 MARINE ENGINE 57B00001-00527 UE033766 D330A 57B (1959)

BASIC ENGINE

CYLINDER BLOCK GP

CYLINDER BLOCK AND COVERS

#UE0337660100

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View--Part 1 of 2
Effective with Serial No. 57B486. 7M4303 Cylinder Block Assembly parts are shown on Page 22A. Note: 4M8166 Piston and
Liner Group, 7M721 Cylinder Liner and Piston Replacement Gasket Kit and 8M6876 Valve Grinding Gasket Kit are available. Piston and Liner
replacement require the use of 7M721 and 8M6876 Gasket Kits.

c89677 UE033766

None CYLINDER BLOCK AND COVERS Parts scheme

For full view, you need register

Parts for your D330A MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
9H-5874	[4]	LINER
7M-4303 Y	[1]	BLOCK ASSEM.
		(SEE SEPARATE ILLUSTRATION)
1A-5822	[1]	BOLT
3B-4508	[1]	LOCKWASHER
1K-4703	[1]	NUT
5L-2539	[1]	HOUSING
1F-3131	[1]	GASKET
7B-2124	[8]	SEAL
9H-5921	[1]	GASKET
9M-0313	[1]	COVER
9H-6999	[1]	GASKET
0L-1351	[15]	BOLT
3B-4506	[15]	LOCKWASHER
0S-1587	[12]	BOLT
3B-4508	[12]	LOCKWASHER
1K-4703	[12]	WASHER
4F-4879	[1]	BOLT
0L-0364	[1]	LOCK
0S-1594	[6]	BOLT
3B-4506	[6]	LOCKWASHER
1S-9921	[1]	TUBE ASSEM.
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4B-3938	[1]	PLUG (CORE)
4H-0945	[2]	FITTING
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
5L-4211	[1]	TUBE
9F-2247	[1]	PLUG (PIPE)
4H-2495	[5]	NUT
4H-2494	[5]	SLEEVE
		(1 OF EACH IN EACH FITTING 4H945 AND 4H1966)
0L-2072	[1]	CLIP
9H-3847	[1]	GASKET
9H-3572	[1]	PLATE
5L-4603	[1]	TUBE
4H-1966	[1]	FITTING
5L-3789	[1]	TUBE
4H-1966	[1]	FITTING
6B-0933	[1]	SPACER
8B-5084	[1]	SPACER
0T-0065	[1]	BOLT
3B-4506	[1]	LOCKWASHER
5L-4564	[1]	BLOCK
1H-2854	[1]	FITTING
4H-2497	[1]	NUT
4H-2496	[1]	SLEEVE
		(PARTS OF FITTING 1H2854)
4H-1966	[1]	FITTING
4L-2105	[1]	TUBE ASSEM.
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
9H-3864	[1]	GASKET
4L-3434	[1]	PAN
9H-6067	[1]	SEAL
1A-5964	[5]	BOLT
3B-4506	[5]	LOCKWASHER
7F-7889	[1]	GASKET
3B-0551	[1]	PLUG
Y		SEPARATE ILLUSTRATION

#UE0337660101

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--End View--Part 2 of 2
Effective with Serial No. 57B486

c75515 UE033766

For full view, you need register

Parts for your D330A MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
1C-2251	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0S-1590	[1]	BOLT (2" LONG)
0L-2070	[2]	BOLT (2.25" LONG)
1D-4717	[3]	NUT
3B-4506	[3]	LOCKWASHER
5L-1573	[1]	HOUSING ASSEM.
0S-1594	[2]	BOLT
1A-2362	[1]	LOCK
4B-3938	[1]	PLUG
4L-7627	[1]	FLANGE
5L-2670	[1]	GASKET
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0S-1594	[2]	BOLT
9H-5916	[1]	LOCK
0S-1591	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0T-0102	[1]	BOLT
5B-7376	[1]	WASHER
2H-5330	[1]	BOLT
3B-4506	[1]	LOCKWASHER
0L-1143	[2]	BOLT
3B-4506	[2]	LOCKWASHER
9H-2710	[1]	GASKET
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4M-9947	[1]	COVER
4M-9946	[1]	GASKET
0S-1591	[18]	BOLT
3B-4506	[18]	LOCKWASHER
8M-4889	[1]	PLATE ASSEM.
9H-3939	[1]	GASKET
2M-5209	[1]	COVER
1M-9390	[1]	GASKET
5L-2952	[1]	CAP ASSEM.
6L-2609	[1]	SEAL
		(PART OF CAP ASSEM. 5L2952)
0S-1594	[3]	BOLT
3B-4506	[3]	LOCKWASHER
5L-3787	[1]	TUBE ASSEM.
4M-5469	[1]	GASKET
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
5L-6103	[1]	COVER
0S-1594	[3]	BOLT
3B-4506	[3]	LOCKWASHER
0L-1143	[3]	BOLT
3B-4506	[3]	LOCKWASHER
4B-4845	[1]	PLUG
5L-9772	[1]	GAUGE ASSEM.
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
6H-5852	[1]	COVER
5L-2937	[1]	POINTER
0S-2414	[1]	LOCK
0S-1594	[2]	BOLT
5L-1574	[1]	PLUG
		(PART OF HOUSING ASSEM. 5L1573)
0T-0573	[2]	BOLT
1D-4717	[2]	NUT
3B-4506	[2]	LOCKWASHER
0S-1594	[3]	BOLT
0L-0364	[3]	LOCK
0L-1352	[3]	BOLT
3B-4506	[3]	LOCKWASHER
1B-5174	[1]	PLUG

#UE0337660102

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--Side View--Part 1 of 2
Effective with Serial No. 57B494
7M4303 Cylinder Block Assembly parts are shown on Page 22A
Note: 4M8166 Piston and Liner Group, 7M721 Cylinder Liner and Piston Replacement Gasket Kit and 8M6876 Valve Grinding Gasket Kit
are available. Piston and Liner replacement require the use of 7M721 and 8M6876 Gasket Kits

c75516 UE033766

For full view, you need register

Parts for your D330A MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
9H-5874	[4]	LINER
7M-4303 Y	[1]	BLOCK ASSEM.
		(SEE SEPARATE ILLUSTRATION)
5M-6213	[3]	PLUG
1A-5822	[1]	BOLT
3B-4508	[1]	LOCKWASHER
1K-4703	[1]	NUT
5L-2539	[1]	HOUSING
7B-2124	[8]	SEAL
9H-5921	[1]	GASKET
9M-0313	[1]	COVER
9H-6999	[1]	GASKET
0L-1351	[15]	BOLT
3B-4506	[15]	LOCKWASHER
0S-1587	[12]	BOLT
3B-4508	[12]	LOCKWASHER
1K-4703	[12]	WASHER
4F-4879	[1]	BOLT
0L-0364	[1]	LOCK
0S-1594	[6]	BOLT
3B-4506	[6]	LOCKWASHER
1S-9921	[1]	TUBE ASSEM.
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4B-3938	[1]	PLUG (CORE)
4H-0945	[2]	FITTING
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
5L-4211	[1]	TUBE
9F-2247	[1]	PLUG (PIPE)
4H-2495	[5]	NUT
4H-2494	[5]	SLEEVE
		(1 OF EACH IN EACH FITTING 4H945 AND 4H1966)
0L-2072	[1]	CLIP
9H-3847	[1]	GASKET
9H-3572	[1]	PLATE
5L-4603	[1]	TUBE
4H-1966	[1]	FITTING
5L-3789	[1]	TUBE
4H-1966	[1]	FITTING
6B-0933	[1]	SPACER
8B-5084	[1]	SPACER
0T-0065	[1]	BOLT
3B-4506	[1]	LOCKWASHER
5L-4564	[1]	BLOCK
1H-2854	[1]	FITTING
4H-2497	[1]	NUT
4H-2496	[1]	SLEEVE
		(PARTS OF FITTING 1H2854)
4H-1966	[1]	FITTING
4L-2105	[1]	TUBE ASSEM.
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
9H-3864	[1]	GASKET
4L-3434	[1]	PAN
9H-6067	[1]	SEAL
1A-5964	[5]	BOLT
3B-4506	[5]	LOCKWASHER
7F-7889	[1]	GASKET
3B-0551	[1]	PLUG
Y		SEPARATE ILLUSTRATION

#UE0337660103

CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS--End View--Part 2 of 2
Effective with Serial No. 57B494

c75517 UE033766

For full view, you need register

Parts for your D330A MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
1C-2251	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0S-1590	[1]	BOLT (2" LONG)
0L-2070	[2]	BOLT (2.25" LONG)
1D-4717	[3]	NUT
3B-4506	[3]	LOCKWASHER
5L-1573	[1]	HOUSING ASSEM.
0S-1594	[2]	BOLT
1A-2362	[1]	LOCK
5L-6102	[1]	COVER
5L-2670	[1]	GASKET
1A-2029	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0S-1594	[2]	BOLT
9H-5916	[1]	LOCK
0S-1591	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0T-0102	[1]	BOLT
5B-7376	[1]	WASHER
2H-5330	[1]	BOLT
3B-4506	[1]	LOCKWASHER
0L-1143	[2]	BOLT
3B-4506	[2]	LOCKWASHER
9H-2710	[1]	GASKET
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
4M-9947	[1]	COVER
4M-9946	[1]	GASKET
0S-1591	[18]	BOLT
3B-4506	[21]	LOCKWASHER
8M-4889	[1]	PLATE ASSEM.
9H-3939	[1]	GASKET
2M-5209	[1]	COVER
1M-9390	[1]	GASKET
5L-2952	[1]	CAP ASSEM.
6L-2609	[1]	SEAL
		(PART OF CAP ASSEM. 5L2952)
0S-1594	[3]	BOLT
3B-4506	[3]	LOCKWASHER
5L-3787	[1]	TUBE ASSEM.
4M-5469	[1]	GASKET
0L-1351	[2]	BOLT
3B-4506	[2]	LOCKWASHER
5L-6103	[1]	COVER
0S-1594	[3]	BOLT
3B-4506	[3]	LOCKWASHER
0L-1143	[3]	BOLT
3B-4506	[3]	LOCKWASHER
4B-4845	[1]	PLUG
5L-9772	[1]	GAUGE ASSEM.
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
6H-5852	[1]	COVER
5L-2937	[1]	POINTER
0S-2414	[1]	LOCK
0S-1594	[2]	BOLT
5L-1574	[1]	PLUG
		(PART OF HOUSING ASSEM. 5L1573)
0T-0573	[2]	BOLT
1D-4717	[2]	NUT
3B-4506	[2]	LOCKWASHER
0S-1594	[3]	BOLT
0L-0364	[3]	LOCK
0L-1352	[3]	BOLT
5M-6214	[1]	PLUG
1B-5174	[1]	PLUG

#UE0337660104

4M-9169: CYLINDER BLOCK ASSEMBLY

CYLINDER BLOCK ASSEMBLY

4M9169 CYLINDER BLOCK ASSEMBLY
Part of Cylinder Block and Covers shown on Page 20

c80699 UE033766

4M9169 CYLINDER BLOCK ASSEMBLY Parts scheme

For full view, you need register

Parts for your D330A MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
2M-5547	[4]	BEARING
8H-9650	[1]	FERRULE
8H-9654	[3]	BEARING
9H-6133	[2]	PLUG
2H-1190	[1]	DOWEL
2M-0767	[1]	CAP GROUP
2M-0769	[2]	SHIM
2M-0770	[6]	SHIM (SLOTTED)
		(PARTS OF CAP GROUP 2M767)
2A-3798	[2]	DOWEL
2M-5548	[4]	BEARING
4B-9782	[10]	BALL
7H-3171	[2]	PLUG (PIPE)
	[2]	DOWEL
8B-6349	[2]	DOWEL
2B-4602	[1]	PLUG (PIPE)
8H-9652	[1]	SHAFT
2M-9543	[4]	ORIFICE
2M-0765	[3]	CAP GROUP
2M-0769	[6]	SHIM
		(2 IN EACH CAP GROUP 2M765)
2M-0770	[18]	SHIM (SLOTTED)
		(6 IN EACH CAP GROUP 2M765)
5M-3310	[1]	CAP GROUP
2M-0769	[2]	SHIM
2M-0770	[6]	SHIM (SLOTTED)
		(PARTS OF CAP GROUP 5M3310)
1A-5660	[2]	NUT
3B-4619	[2]	COTTER PIN
5M-3307	[2]	STUD
1A-5660	[8]	NUT
3B-4619	[8]	COTTER PIN
4M-8070	[8]	STUD

#UE0337660105

7M-4303: CYLINDER BLOCK ASSEMBLY

CYLINDER BLOCK ASSEMBLY

7M4303 CYLINDER BLOCK ASSEMBLY
Part of Cylinder Block and Covers shown on Page 20

c68997 UE033766

7M4303 CYLINDER BLOCK ASSEMBLY Parts scheme

For full view, you need register

Parts for your D330A MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
2M-5547	[4]	BEARING
7H-3171	[3]	PLUG (PIPE)
3F-6808	[4]	DOWEL
8H-9650	[1]	FERRULE
7M-4046	[3]	BEARING
9H-6133	[2]	PLUG
2H-1190	[1]	DOWEL
2M-0767	[1]	CAP GROUP
2M-0769	[2]	SHIM
2M-0770	[6]	SHIM (SLOTTED)
		(PARTS OF CAP GROUP 2M767)
2A-3798	[2]	DOWEL
2M-5548	[4]	BEARING
4B-9782	[10]	BALL
0L-2061	[2]	DOWEL
8B-6349	[2]	DOWEL
9F-2247	[1]	PLUG (PIPE)
8H-9652	[1]	SHAFT
8M-3023	[4]	ORIFICE
2M-0765	[3]	CAP GROUP
2M-0769	[6]	SHIM
		(2 IN EACH CAP GROUP 2M765)
2M-0770	[18]	SHIM (SLOTTED)
		(6 IN EACH CAP GROUP 2M765)
5M-3310	[1]	CAP GROUP
2M-0769	[2]	SHIM
2M-0770	[6]	SHIM (SLOTTED)
		(PARTS OF CAP GROUP 5M3310)
1A-5660	[2]	NUT
3B-4619	[2]	COTTER PIN
5M-3307	[2]	STUD
1A-5660	[8]	NUT
3B-4619	[8]	COTTER PIN
4M-8070	[8]	STUD

#UE0337660106

7M-4303: CYLINDER BLOCK ASSEMBLY

CYLINDER BLOCK ASSEMBLY

7M4303 CYLINDER BLOCK ASSEMBLY
Effective with Serial No. 57B382
Part of Cylinder Block and Covers shown on Page 20

c92572 UE033766

For full view, you need register

Parts for your D330A MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
9M-5239	[4]	BEARING
5M-6213	[3]	PLUG (PIPE)
5M-6214	[1]	PLUG
3F-6808	[4]	DOWEL
8H-9650	[1]	FERRULE
7M-4046	[2]	BEARING
9H-6133	[2]	PLUG (.049" DIAMETER)
		-OR-
4B-5387	[2]	PLUG (.050" DIAMETER)
2H-1190	[1]	DOWEL
2M-0767	[1]	CAP GROUP
2M-0769	[2]	SHIM
2M-0770	[6]	SHIM (SLOTTED)
		(PARTS OF CAP GROUP 2M767)
2A-3798	[2]	DOWEL
9M-5238	[2]	BEARING
4B-9782	[10]	BALL
0L-2061	[2]	DOWEL
8B-6349	[2]	DOWEL
9F-2247	[1]	PLUG (PIPE)
9M-5477	[1]	BEARING
8H-9652	[1]	SHAFT
8M-3023	[4]	ORIFICE
2M-0765	[3]	CAP GROUP
2M-0769	[6]	SHIM
		(2 IN EACH CAP GROUP 2M765)
2M-0770	[18]	SHIM (SLOTTED)
		(6 IN EACH CAP GROUP 2M765)
5M-3310	[1]	CAP GROUP
2M-0769	[2]	SHIM
2M-0770	[6]	SHIM (SLOTTED)
		(PARTS OF CAP GROUP 5M3310)
1A-5660	[2]	NUT
3B-4619	[2]	COTTER PIN
5M-3307	[2]	STUD
1A-5660	[8]	NUT
3B-4619	[8]	COTTER PIN
4M-8070	[8]	STUD

#UE0337660107

CRANKSHAFT

c99466 UE033766

For full view, you need register

Parts for your D330A MARINE ENGINE:

CATERPILLAR SIS

Part No	Qty	Parts name
9H-1129	[1]	SEAL
3S-9730	[4]	BEARING
7M-9286	[1]	BEARING
8M-4505	[1]	CRANKSHAFT ASSEM.
6B-5310	[1]	BOLT
3B-4512	[1]	LOCKWASHER
3L-9172	[1]	PULLEY
9F-2247	[4]	PLUG
5H-2671	[1]	KEY
		(PARTS OF CRANKSHAFT ASSEM. 8M4505)
4M-9933	[1]	GEAR
		(PART OF CRANKSHAFT ASSEM. 8M4505)
1S-4604	[1]	SEAL
8H-5146	[1]	WASHER ASSEM.
4F-3492	[1]	DOWEL
		(PART OF WASHER ASSEM. 8H5146)