3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146

Product Details
Customization: Available
Body Material: Iron
Cold Style: Water-Cooled
Manufacturer/Factory, Trading Company
Gold Member Since 2025

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  • 3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146
  • 3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146
  • 3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146
  • 3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146
  • 3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146
  • 3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146
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Basic Info.

Model NO.
3204 3208
Displacement
>4.0 L
Emission Standard
Euro 6
Engine Type
Inline Engine
Number of Cylinders
Six Cylinder
Start
Electric Start
Material
Al Piston 2W4831
Diameter
114.3 mm
Total Length
93.2 mm
Chamber
Std mm
Pin Size
38.1*81.4 mm
Ring Groove
3.18+2.78 mm
Compression Height
58.9 mm
Remarks
Alfin/Oil Cooling/Oxidation
Surface
Shinny
Delivery
7 Days
Shipment
Sea/Air/Truck
Warranty
1 Year
Transport Package
Pallets
Specification
114.3 mm
Trademark
AENASA
Origin
Guangdong
HS Code
8409919990

Product Description

3204 3208 Series Piston We have the the following  models 
 
3206/3204 PISTON BODY 2w4831 2w4831
3204 DI PISTON BODY 7E4729 7E4729
3204 3208 PISTON BODY 9L7737-2R 9L77372R
3204 3208 PISTON BODY 9L7737-3R 9L7737-3R
3204 3208 PISTON BODY 2W8410 2W8411 2W8412 2W8410 2W8411 2W8412
3204 3208 PISTON BODY 7W3826 7W3826
3204 3208 PISTON BODY 6N4221 6N4221
3204 3208 PISTON BODY 7C1146 7C1146

(1): 3204 3208 Diesel Engine Spare Parts Piston 2W4831
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3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146



(2): 3204 3208 Diesel Engine Spare Parts Piston  7E4729 3R
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------


3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146


(3): 3204 3208 Diesel Engine Spare Parts Piston 7E4729
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------


3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146



(4): 3204 3208 Diesel Engine Spare Parts Piston 7L7737
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------


3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146


(5): 3204 3208 Diesel Engine Spare Parts Piston 7C1146
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------


3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146


(6): 3204 3208 Diesel Engine Spare Parts Piston 6N4221
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------


3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146


2: OTHER ENGINE MODELS FOR CAT-PILLAR

D-Series:    D330  D333 D342 D343 D353
30-Series:   3013C  3014 3024 3044 3046 3054 3056 3056 3064 3066
31/32/33-Series:   3114 3116 3126 3176 3196  3204 3208 3304-DI 3304-PC 3306-DI 3306-PC 
34/35-Series:   3406-O 3406E  3408 3408E  3412 3412E 3508 3512 3516
C-Series:    C1.1 C1.5 C1.6 C2.2 C2.4 C2.6 C3.3 C3.4 C3.4B C4.2 C4.4-EI C4.4-DI C6.4 C6.6-EI C6.6-DI C7.1-DI C7.1-EI C7.2
C-Series:    C7 C9 C-9 C9.3 C9.3B C10 C11 C12 C13 C15 C16  C18 C27 C32


3: PACKING & SHIPMENT:

3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146

4: Warehouse & office show 

3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c11463204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146

5: Engine Models

3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146
6: AENASA LINER KITS

3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146



AENASA DIESEL ENGINE REPARIE PARTS PISTON LINER RING HEAD BLOCK CRANKSHAFT CAMSHAFT GASKET KIT WATER PUMP


3204 3208 Diesel Engine Spare Parts Piston 2W4831 9L7737 7e4729 2W8410 2W8411 2W8412 7W3826 6n4221 7c1146

7: 3204 3208 series MACHINER DIESEL ENGINE SPARE PARTS OEM NUMBER 

CRANKSHAFT & RELATED PARTS PART No QTY Crankshaft C/W Gear 1W9771 1 Gear Crankshaft 1W9812 1 Front Seal 9L7735 1 Front Seal With Dust Seal 7C6660 1 Rear Seal (Double Lip) 7W3202 1 Rear Seal & Sleeve Assy 7W3200 1 Main Bearing STD 1W0311 2 Main Bearing STD 1W0312 3 Main Bearing STD 4W8092 2 Main Bearing STD (No Lub.Groove) 4W8093 3 Main Bearing 0.25MM 1W1655 2 Main Bearing 0.25MM 1W1661 3 Main Bearing 0.25MM (No Lub.Groove) 8N8976 3 Main Bearing 0.25MM 8N9022 2 Main Bearing 0.51MM 1W1656 2 Main Bearing 0.51MM 1W1662 3 Main Bearing 0.51MM (No Lub.Groove) 8N8972 3 Main Bearing 0.51MM 8N9023 2 Main Bearing 0.75MM 1W0311/030 2 Main Bearing 0.75MM 1W0312/030 3 Main Bearing 0.75MM 4W8092/030 2 Main Bearing 0.75MM (No Lub.Groove) 4W8093/030 3 Main Bearing 1.00MM 1W0311/040 2 Main Bearing 1.00MM 1W0312/040 3 Main Bearing 1.00MM 4W8092/040 2 Main Bearing 1.00MM (No Lub.Groove) 4W8093/040 3 Main Bearing 1.27MM 1W1657 2 Main Bearing 1.27MM 1W1663 3 Main Bearing 1.27MM 8N9020 2 Main Bearing 1.27MM (No Lub.Groove) 8N8974 3 Thrust Washer .185" 100-3652 2 Thrust Washer .214" 6N8940 2 Thrust Washer .214" (PR) 6N8940P 1 Thrust Washer .232" 7N9343 2 Thrust Washer 0.25MM 6N8940/010 2 Thrust Washer 0.25MM (PR) 6N8940/010P 1 Thrust Washer 0.51MM 6N8940/020 2 Main & Thrust Bearing Set STD 4N4708 1 Main & Thrust Bearing Set 0.25MM 4N4709 1 Main & Thrust Bearing Set 0.50MM 4N4716 1 Main & Thrust Bearing Set 0.75MM 4N4708/030 1 CONNECTING ROD & RELATED PARTS PART No QTY Conrod 8N3753 4 Bolt Conrod 9N3832 8 Nut Conrod 9L7669 8 Bushing Conrod 8N0701 4 Bushing Conrod 9N5082 4 Bearing Conrod STD 8N6308 4 Bearing Conrod 0.25MM 1N3821 4 Bearing Conrod 0.51MM 1N3822 4 Bearing Conrod 0.75MM 8N6308/030 4 Bearing Conrod 1.00MM 8N6308/040 4 Bearing Conrod 1.27MM 1W3906 4 CYLINDER KIT & COMPONENTS PART No QTY Cylinder Kit KM1146 4 Piston Body C/W Clips STD 7C1146 4 Pin Piston 7N9803 4 Retainer Piston Pin 8N7294 8 Ring Set Piston STD 2W8265 4 Liner 9N6275 4 Cylinder Kit KM4221 4 Piston Body C/W Clips STD 6N4221 4 Pin Piston 7N9803 4 Retainer Piston Pin 8N7294 8 Ring Set Piston STD 2W8265 4 Liner 9N6275 4 Cylinder Kit KM4729 4 Piston Body C/W Clips STD 7E4729 4 Pin Piston 7N9803 4 Retainer Piston Pin 8N7294 8 Ring Set Piston STD 7E4729RS 4 Liner 9N6275 4 Cylinder Kit KM4831 4 Piston Body C/W Clips STD 2W4831 4 Pin Piston 7N9803 4 Retainer Piston Pin 8N7294 8 Ring Set Piston STD 2W8265 4 Liner 9N6275 4
CYLINDER KIT & COMPONENTS (Continued) PART No QTY Piston, Pin & Clips STD 2W4831P 4 Piston, Pin & Clips STD 6N4221P 4 Piston, Pin & Clips STD 7C1146P 4 Piston, Pin & Clips STD 7E4729P 4 Piston, Pin & Clips 1.00MM 2W8411P 4 Piston, Pin, Clips & Rings 6N4220 4 Piston, Pin, Clips & Rings 7E4729PK 4 Piston, Pin, Clips & Rings 9N5409 4 Piston Body C/W Clips STD 2W4831 4 Piston Body C/W Clips STD 6N4221 4 Piston Body C/W Clips STD 7C1146 4 Piston Body C/W Clips STD 7E4729 4 Piston Body C/W Clips 1.00MM 2W8411 4 Pin Piston 7N9803 4 Retainer Piston Pin 8N7294 8 Ring Set Piston STD 2W8265 4 Ring Set Piston STD 7E4729RS 4 Ring Set Piston 0.51MM 2W8646 4 Ring Set Piston 1.00MM 2W8647 4 Liner 9N6275 4 CYLINDER HEAD & COMPONENTS PART No QTY Cylinder Head (Bare) 6I2378 1 Cylinder Head (Bare) 9N0320 1 Pre-Combustion Chamber 4N8809 4 Tappet 9N5786 8 Valve In 9L7682 4 Valve In 9N0180 4 Valve Ex 119-6772 4 Valve Ex 9L7683 4 Valve Ex 9N0185 4 Valve Collet 2A4429 16 Valve Guide In 6I2864 4 Valve Guide Ex 6I2865 4 Valve Insert In 9N0181 4 Valve Insert In 2N8943 4 Valve Insert Ex 9N2837 4 Valve Spring In & Ex 1W4259 8 Valve Spring 9N3617 8 Rotocoil 9N0187 8 Retainer Valve Spring 1W4260 8 Push Rod 9N6500 8 CYLINDER BLOCK & COMPONENTS PART No QTY Cylinder Block 2W7902 1 Cylinder Block 7N4821 1 Gear Camshaft 1W4402 1 Bush Camshaft 1W5920 1 Bush Camshaft 9N5246 2 Camshaft Kit 9Y3352 1 GASKET KITS & COMPONENTS PART No QTY Gasket Kit Upper KMP-3204-K1 1 Gasket Kit Lower KMP-3204-K2 1 Gasket Cylinder Head 7W2059 1 Gasket Valve Cover 9L8020 1 Gasket Oil Pan 9L8016 1 Gasket Turbo 1P0451 1 Gasket Ex Manifold 9L8027 1 Gasket 1S6595 A/R Gasket 2A1162 A/R Gasket 3K3257 A/R Gasket 4H7869 A/R Gasket 4N0237 A/R Gasket 4N0699 A/R Gasket 4N0933 A/R Gasket Chamber 4.93MM 5M2667 A/R Gasket 6N7402 A/R Gasket 7J8114 A/R Gasket 9L7630 A/R LUBRICATING OIL SYSTEM PART No QTY Rotor Assy Pump 7C8191 1

FUEL SYSTEM Fuel Pump Fuel Pump Priming Fuel Pump Priming Fuel Pump Priming Fuel Pump Transfer Injector Injector Fuel Nozzle Injector Fuel Nozzle Injector Seal Injector PART No 1W6539 QTY 4 105-2508 1 4N3287 1 4N6836 1 1W0568 1 1W5829 4 9L6969 4 4W7015 4 8N3175 4 8M4992 4 Fuel Injection Pump Plunger & Barrel 1W6541 4 Fuel Injection Pump Plunger & Barrel 4S5758 4 Fuel Injection Pump Plunger & Barrel COOLING SYSTEM Water Pump 8N3539 PART No 4 2W1223 Water Pump Repair Kit 6V6896 Thermostat FILTERS Air Filter Inner Air Filter Inner Air Filter Inner Air Filter Inner Air Filter Outer Filter Fuel 4N0236 Filter Oil Filter Oil PART No 2S1285 QTY 1 1 1 QTY 1 4N0313 1 8N4901 1 9S9972 1 4N0326 1 9L9100 1 1R0713 1 1R0714 1

CYLINDER KIT & COMPONENTS (Continued) PART No QTY Piston, Pin & Clips STD 2W4831P 8 Piston, Pin & Clips STD 7E4729P 8 Piston, Pin & Clips STD 9L7737P 8 Piston, Pin & Clips 1.00MM 2W8411P 8 Piston, Pin, Clips & Rings 7E4729PK 8 Piston, Pin, Clips & Rings 9L7737PK 8 Piston, Pin, Clips & Rings 9N5409 8 Piston Body C/W Clips STD 2W4831 8 Piston Body C/W Clips STD 2W8412 8 Piston Body C/W Clips STD 7E4729 8 Piston Body C/W Clips STD 7W3846 8 Piston Body C/W Clips STD 9L7737 8 Piston Body C/W Clips 0.51MM 2W8414 8 Piston Body C/W Clips 1.00MM 2W8411 8 Piston Body C/W Clips 1.00MM 2W8415 8 Pin Piston 7N9803 8 Retainer Piston Pin 8N7294 16 Ring Set Piston STD 2W8265 8 Ring Set Piston STD 2W8265-3R 8 Ring Set Piston STD 7E4729RS 8 Ring Set Piston 0.51MM 2W8646 8 Ring Set Piston 1.00MM 2W8647 8 Liner 9N6275 8 CYLINDER HEAD & COMPONENTS PART No QTY Cylinder Head (Bare) 6I2378 2 Lifter As Valve 132-9793 16 Tappet 9N5786 8 Valve In 9L7682 8 Valve Ex 119-6772 8 Valve Ex 9L7683 8 Valve Collet 2A4429 32 Valve Guide In 6I2864 8 Valve Guide Ex 6I2865 8 Valve Insert In 2N8943 8 Valve Insert Ex 9N2837 8 Valve Spring In & Ex 1W4259 16 Valve Spring In 9N5495 16 Valve Spring Out 9N5496 16 Seal Valve Stem 7W9143 8 Retainer Valve Spring 1W4260 16 Retainer Valve Spring 9N5497 16 Push Rod 9N6500 8 CYLINDER BLOCK & COMPONENTS PART No QTY Cylinder Block 9L6553 1 Gear Camshaft 1N4660 1 Gear Camshaft 7E6097 1 Gear Camshaft 9N5378 1 Bush Camshaft 9N5246 5 Camshaft 125-8139 1 Camshaft Kit 9Y3354 1 Camshaft Kit 9Y3355 1 GASKET KITS & COMPONENTS PART No QTY Gasket Kit Upper KMP-3208-K1 1 Gasket Kit Lower KMP-3208-K2 1 Gasket Cylinder Head 7W2059 2 Gasket Valve Cover 9L8020 2 Gasket Oil Pan 9L8016 1 Gasket Turbo 7M7273 1 Gasket Ex Manifold 9L8027 2 Gasket 4H7869 A/R Gasket 9L7630 A/R Seal 6F0711 A/R Seal O Ring 9M9729 A/R LUBRICATING OIL SYSTEM PART No QTY Rotor Assy 9N3207 1 Gasket Oil Cooler 7C1651 1 FUEL SYSTEM PART No QTY Fuel Pump Priming 105-2508 1 Fuel Pump Priming 4N3287 1 Fuel Pump Transfer 4N1101 1 Injector 1W5829 8 Injector 4W1819 8 Injector 4W7016 8 Injector 7W3710 8 Injector 9L6969 8 Injector 9N2366 8 Injector 9N3299 8 Fuel Injection Pump Plunger & Barrel 1W3010 8 Fuel Injection Pump Plunger & Barrel 6N7527 8 Fuel Injection Pump Plunger & Barrel 9Y0510 8

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