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Genuine YC6A260-30(A64LA) Engine Parts - Cylinder Block, Piston, Crankshaft Damper

100% Yuchai-compatible parts for YC6A260-30(A64LA) diesel engine.

Covers alloy cylinder block, cylinder head, piston-rod assembly, gear housing & crankshaft damper.

EWP-marked wear parts, high torque & 18-month warranty.

    Application & Compatibility

    微信图片_20251223102547_118_83

    Engine Model

    YC6A260-30(A64LA)

    Rated Power/Speed

    91 kW (260 HP) @ 2200 rpm

    Max Torque/Speed

    450 N·m @ 1400-1800 rpm

    Emission Standard

    Euro III / China III (GB17691-2005)

    Application Field

    Heavy-duty trucks, construction machinery (loaders/excavators), medium/heavy buses

    Key Features

    High reliability, low fuel consumption, EWP-marked wear parts

    Product Description

    Compatibility & Application

    All parts are 100% compatible with Yuchai YC6A260-30(A64LA) 6-cylinder turbocharged diesel engine (7.2L displacement, 260HP). Widely used in heavy-duty trucks, construction machinery and buses, our parts are tailored to match the engine’s high-torque and durable design, meeting routine maintenance, overhaul and emergency repair needs.

    Parts Coverage

    Our parts fully cover core systems: power core (cylinder block, piston-rod), fuel & air (injection pump, turbocharger, intake/exhaust manifold), lubrication & cooling (oil pump, cooler, water pump), and electrical & auxiliary (starter, alternator, steering pump). EWP-marked easy-wear parts (piston rings, gaskets) are clearly identified for quick selection.

    Quality Assurance

    All parts adhere to Yuchai’s technical standards, with part numbers consistent with the original catalog (e.g., A64HA-1002000/04 for cylinder block). Key components use high-strength materials; wear parts pass strict durability tests. We offer 18-month warranty and 24-hour English technical guidance, supporting installation and maintenance globally.

    Practical Tips

    For accurate selection, reference the original part number or provide your engine’s production batch. Our parts restore the engine’s power and fuel efficiency, minimizing downtime. Bulk orders enjoy preferential pricing—contact our team for customized support and genuine Yuchai parts verification.

    Detail Parts List

    1A64HA-1002000/04 Cylinder Block Assembly

    1

    Item

    Parts No.

    Part Name

    Qty.

    Remark

    1

    J5600-1002370F

    Idler gear lubrication oil

    pipe

    1

     

    2

    Q/YC901-1C0810

    Hinged Bolt M8X1

    1

     

    3

    Q/YC149-8

    Compound Seal ring 8

    3

    Easy Wear Part

    4

    150-1112012A

    Bolt

    1

     

    5

    Q/YC149-6

    Compound Seal ring 6

    2

    Easy Wear Part

    6

    Q618B01

    Screw plug NPT 1/8

    1

     

    7

    J5600-1002052

    Idler gear shaft

    1

     

    8

    Q61508

    Screw plugM8X1

    1

     

    9

    6105QA-1002011

    Camshaft bushing

    1

     

    10

    A3000-1002051

    Timing idle gear

    1

     

    11

    Q150B1055TF2

    Bolt M10X55

    3

     

    12

    A3100-1002054A

    Timing  idler  gear  baffle

    plate

    1

     

    13

    6105Q-1002067

    Main  oil  gallery  closing

    plug

    1

     

    14

    YC208-B01600F

    O ring 2.65x16

    1

    Easy Wear Part

    15

    L3000-1002011

    Camshaft bushing

    7

     

    16

    A3000-1002063B

    Cylinder   cover      water

    sealing ring

    6

    Easy Wear Part

    17

    A3000-1002063

    Cylinder   cover      water

    sealing ring

    6

    Easy Wear Part

    18

    A3100-1002106

    Cylinder liner

    6

    Optional

     

    A3100-1002064

    Cylinder liner

    6

    Optional

    19

    J5600-1002114A

    Cylinder block

    1

     

     

    J5600-1002114A*

    Cylinder block subassembly

    1

     

    20

    J5600-1111304

    Joint

    1

     

    21

    6105Q-1014001A

    Breather gasket

    1

    Easy Wear Part

    22

    A7100-1319K-0

    Cover bar

    1

     

    23

    Q1840816

    Bolt M8X16

    2

     

    24

    6105Q-1002022

    Aluminum block φ 10X10

    2

     

    25

    Q/YC198-14

    Screw plug M14X1.5

    1

     

    26

    Q/YC149-14

    Compound seal spacer 14

    1

    Easy Wear Part

    27

    YC204-0820

    Straight pin

    2

     

    28

    A3100-1002103

    Crankshaft end cover gasket

    1

    Easy Wear Part

    29

    A3100-1002102

    Crankshaft end cover

    1

     

    30

    Q1840816

    Bolt M8X16

    3

     

    31

    6105Q-1002069

    Rear main oil gallery block

    1

     

    32

    YC24-B0510

    Stud pin 5X10

    6

     

    33

    A3100-1002170

    Injecting nozzle weldment

    6

     

    34

    430-1002163

    Washer

    6

     

    35

    G0100-1002162A

    Oil hollow bolt

    6

     

    36

    YC24-B0408

    Stud pin B4×8

    2

     

    37

    A30-1002021

    Main bearing bolt

    14

     

    38

    A30-1002019

    Main bearing bolt washer

    14

     

    39

    A30-1002012

    Front main bearing cover

    1

     

    40

    A30-1002014

    Main bearing cover

    5

     

    41

    A30-1002013

    Middle main bearing cover

    1

    2、J62QA-1002200/17 Gear Housing Parts

    2

    No.

    Parts No.

    Parts Name

    Qty.

    Remark

    1

    Q1841075TF2

    Bolt M10X75

    1

     

    2

    G0100-1002401

    Tension belt pulley

    1

     

    3

    Q1840815

    Bolt M8X15

    5

     

    4

    150-1003040F

    Oil filler cap assembly

    1

    Easy Wear Part

    5

    Q1840880TF2

    Bolt M8X80

    4

     

    6

    Q40108

    Washer 8

    3

     

    7

    Q40308

    Washer 8

    9

     

    8

    Q340B08

    Nut M8

    3

     

    9

    J56QA-1002250

    Injection pump gear cover plate weldment

    1

     

    10

    J5600-1002255B

    Injection pump gear cover plate gasket

    1

    Easy Wear Part

    11

    YC209-C070090PR

    Oil seal 70X90

    1

     

    12

    Q1841450

    Bolt M14X50

    2

     

    13

    Q1840850TF2

    Bolt M8X50

    2

     

    14

    J5600-1002201A

    Timing gear house

    1

     

    15

    J5600-1002202A

    Gear housing gasket

    1

    Easy Wear Part

    16

    Q/YC207-0816

    Bolt M8X16

    3

     

    17

    Q/YC149-8

    Compound Seal washer 8

    3

    Easy Wear Part

    18

    J5600-1002311

    Idler wear plate

    1

    Easy Wear Part

    19

    J5600-1002306

    Idler gear shaft

    1

     

    20

    YC24-1230

    Straight  Pin 12X30

    2

     

    21

    Q150B0825TF2

    Bolt M8X25

    6

     

    22

    J5600-1002203E

    Gear chamber cover plate

    1

     

    23

    L3001-1002032A

    Timing idler gears gasket

    1

    Easy Wear Part

    24

    J5600-1002350

    Idler gear subassembly

    1

     

    25

    Q1840822TF2

    Bolt M8X22

    4

     

    26

    J5600-1111304

    Joint

    1

     

    27

    YC208-B04250F

    O-ring 2.65X42.5

    1

    Easy Wear Part

    28

    Q1200885

    Bolt stub M8X85

    2

     

    29

    Q1200875

    Bolt stub M8X75

    1

     

    30

    Q1840875TF2

    Bolt M8X75

    1

     

    31

    L3000-1002084A

    Air compressor idler gear seat

    1

     

    32

    A3000-1002041

    Air compressor idler gear subassembly

    1

     

    33

    231-1002087

    Idler gear wear reduction plate

    1

     

    34

    Q1840820TF2

    Bolt M8X20

    5

     

    35

    YC208-B02000F

    O-ring 2.65X20

    1

    Easy Wear Part

    36

    A3000-1002085B

    Idler gear seat bolt

    1

     

    37

    YC208-A00800F

    O-ring1.8X8

    1

    Easy Wear Part

    3、A6000-1003000/01 Cylinder Head &Cylinder Head Cover Assembly

    3

    No.

    Parts No.

    Parts Name

    Qty.

    Remark

    1

    L3000-1007013

    Valve lock key

    48

    Easy Wear Part

    2

    J5600-1003116

    Valve spring upper seat

    24

    Easy Wear Part

    3

    J5600-1003106

    Valve spring

    24

    Easy Wear Part

    4

    L3000-1003105

    Valve stem seal

    24

    Easy Wear Part

    5

    J5600-1003104

    Valve guide

    24

    Easy Wear Part

    6

    L3000-1003036A

    Front engine eye

    1

     

    7

    Q1841225TF2

    Bolt M12×25

    3

     

    8

    J5600-1003201B

    Cylinder head cover gasket

    1

    Easy Wear Part

    9

    J5600-1003171A

    Cylinder head

    1

     

     

    J5600-1003170

    Cylinder head subassembly

    1

     

    10

    A6000-1003001A-386

    Cylinder head gasket

    1

    Easy Wear Part

    11

    J5600-1003173A

    Air intake seat ring

    12

    Easy Wear Part

    12

    J5600-1003111

    Air intake valve

    12

    Easy Wear Part

    13

    J5600-1003174A

    Air exhaust seat ring

    12

    Easy Wear Part

    14

    J5600-1003103

    Air exhaust valve

    12

    Easy Wear Part

    15

    A30-1003035A

    Cylinder cover short bolt

    26

    Easy Wear Part

    16

    Q40306

    Washer

    9

     

    17

    Q150B0612

    Bolt M6X12

    9

     

    18

    YC7-30

    Shim 30

    14

     

    19

    L3000-1003206

    Corrugated steel wire ball

    1

     

    20

    Q61904

    Bolt plug NPT1/2

    6

     

    21

    L3000-1003151

    Rear engine eye

    1

     

    22

    Q150B1228TF2

    Bolt

    2

     

    23

    Q40312

    Washer

    2

     

    24

    Q40112

    Washer

    2

     

    25

    J5600-1003270

    Cover board subassembly

    1

     

    26

    Q1840830

    Bolt M8X30

    17

     

    27

    J5600-1003205B

    Cylinder head cover

    1

     

    28

    J5600-1003248

    Oil filler hole gasket

    1

    Easy Wear Part

    29

    Q1840820

    Bolt M8X20

    4

     

    30

    150-1003040F

    Oil   filler   hole   cover

    subassembly

    1

     

    31

    J5600-1003243

    Oil filler hole

    1

     

    32

    YC208-B02580F1

    O ring 2.65x25.8

    6

    Easy Wear Part

    33

    J5600-1003176

    Fuel injector copper sleeve

    6

     

    34

    6105QA-1003088

    Cylinder head locating pin

    bushing

    2

    4、A6000-1004000/05 Piston&Connecting Rod Assembly

    4

    No.

    Parts No.

    Parts Name

    Qty.

    Remark

    1

    A30-1004016

    1st  air ring

    6

    Easy Wear Part

    2

    A30-1004017

    2nd  air ring

    6

    Easy Wear Part

    3

    A30-1004030

    Oil ring assembly

    6

    Easy Wear Part

     

    A30-1004016*

    Piston ring subassembly

    6

     

    4

    A6000-1004001A

    Piston

    6

    Easy Wear Part

    5

    A30-1004019

    Piston pin

    6

     

    6

    Q43040

    Retaining ring 40

    12

    Easy Wear Part

    7

    A3000-1004200

    Connecting rod parts

    6

     

    8

    A30-1004005

    Connecting rod bearing

    shell

    12

    Easy Wear Part

    5、A64LA-100500/04 Crankshaft Vibration Damper Assembly

    5

    No.

    Parts No.

    Parts Name

    Qty.

    Remark

    1

    Q1841040TF2

    Bolt M10X40

    4

     

    2

    A4137-1005034

    Additional belt pulley

    1

     

    3

    A3100-1005034A

    Belt pulley bolt

    6

     

    4

    L3000-1005017

    Compound  washer

    6

     

    5

    J5600-1005200C

    Silicone    oil   vibration

    damper parts

    1

     

    6

    A3100-1005021B

    Crankshaft timing gear

    1

     

    7

    A3100-1005018

    Flat pin

    2

     

    8

    A3100-1005019A

    Crankshaft

    1

     

    9

    A30-1005055

    Main bearing shell (lower)

    7

     

    10

    6105Q-1005058A

    Crankshaft thrust plate

    4

     

    11

    A30-1005054

    Main bearing shell (upper)

    7

     

    12

    YC24-B1226

    Straight Pin 12×26

    1

    Product Advantages

    ●100% Yuchai OEM Genuine Parts:Produced on Yuchai’s original production line, 1:1 matching the engine.
    ●Perfect Fitment:Precision-machined to meet YC6A260-30(A64LA) technical specifications, no modification needed.
    ●Durable&Reliable:High-quality materials, passed 300,000+ working hours test.
    ●Global Warranty:12-month warranty, free replacement for quality issues.
    ●One-Stop Supply:Covers all parts of the engine, simplifying procurement.

    Payment & Shipping Terms

    MOQ: 1 piece

    Packaging: Customizable wooden crate/carton

    Delivery: 3-20 working days (express: DHL/FedEx; sea freight for bulk)

    Payment: L/C, T/T, Western Union; tracking number provided in 24hrs

    ● After-Sales Service:24-hour technical support, global service network

     

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