Sinotruk Parts
Shacman Parts
FAW Parts
Dongfeng Parts
Foton Parts
CHENGLONG PARTS
Golden Dragon Bus Parts
King Long Parts
Yutong Parts
Higer Parts
Zhongtong Parts
Ankai Parts
Mr. Perry Wu International Sales Director
Genuine YC4D120-21(D1204) Engine Parts - Cylinder Block, Piston, Cylinder Head & Mounting Components
|
Engine Model |
YC4D120-21(D1204) |
|
Rated Power |
120 HP (90 kW) @ 2800 rpm |
|
Rated Torque |
420 N·m @ 1600-1900 rpm |
|
Emission Standard |
Euro II / China II |
|
Application Field |
Light-duty/medium-duty trucks, low-tonnage medium trucks, small construction machinery |
|
Core Advantages |
Low fuel consumption (≤205g/kW·h), high reliability (alloy cast cylinder block), easy maintenance (universal parts), turbocharged intercooled power system |
Product Description
Power, Precision, Partnership: The Genuine Yuchai Ecosystem
Choose the authentic power legacy of Yuchai. Our 100% genuine OEM parts for the YC4D120-21(D1204) engine are designed to restore its original horsepower, torque, and efficiency, delivering the true Yuchai DNA.
Uncompromised Quality, Forged on the Original Line
Every part is produced to identical specifications under the stringent Yuchai Quality Control System (QCS), guaranteeing perfect fitment, durability, and seamless integration to preserve engine value.
Your One-Stop Solution for Assured Performance
We provide a comprehensive, one-stop supply—from components to complete kits, backed by technical support. This
Detail Parts List
1、 D1204-1001000/01 Engine suspending assembly
|
No. |
Part No. |
Name |
Qty. |
Remark |
|
1 |
D1204-1001240 |
Front Left assembly |
1 |
|
|
2 |
D1204-1001140 |
Front Right assembly |
1 |
2、 D0708-1002000/13 Cylinder Block Assembly
|
No. |
Part No. |
Name |
Qty. |
Remark |
|
1 |
Q1840855TF2 |
Bolt M8×55 |
3 |
|
|
2 |
D30-1002054 |
Timing idle gear retaining plate |
1 |
|
|
3 |
D30-1002051 |
Timing idle gear |
1 |
|
|
4 |
D30-1002052 |
Idle gear shaft |
1 |
|
|
5 |
D30-1002114C |
Cylinder block |
1 |
|
|
|
D2000-1002170 |
Cylinder block assembly |
|
|
|
6 |
6105Q-1002022 |
Aluminum plug |
1 |
|
|
7 |
Q61101 |
Grooved tapered screw plug NPT1/8 |
1 |
|
|
8 |
G0100-1002162A |
Hollow bolt for oil |
4 |
|
|
9 |
430-1002163 |
Washer |
4 |
|
|
10 |
D30--1002740 |
Nozzle subassembly |
4 |
|
|
11 |
D30-1002068A |
Oil gallery plug |
1 |
|
|
12 |
YC24-0408 |
Pin 4×8 |
2 |
|
|
13 |
D30-1002062A |
Camshaft end cover gasket |
1 |
|
|
14 |
D30-1002061 |
Camshaft end cover |
1 |
|
|
15 |
Q40308 |
Washer 8 |
3 |
|
|
16 |
Q150B0820 |
Bolt M8×20 |
3 |
|
|
17 |
6105Q-1002069 |
Rear main oil galley plug |
4 |
|
|
18 |
330-1002021A |
Main bearing cover bolt |
10 |
|
|
19 |
A3000-1002063B |
Cylinder liner O ring |
4 |
|
|
20 |
A3000-1002063 |
Cylinder liner O ring |
4 |
|
|
21 |
D30-1002064B |
Cylinder liner |
4 |
3、D0708-1002200/09 Timing Gear Housing Parts
|
No. |
Part No. |
Name |
Qty. |
Remark |
|
1 |
Q150B0865TF2 |
Bolt M8×65 |
3 |
|
|
2 |
Q40308 |
Washer 8 |
32 |
|
|
3 |
D30-1002213C |
V belt idle gear shaft |
1 |
|
|
4 |
Q43080 |
Retaining ring 80 |
1 |
|
|
5 |
GB/T276-6010-2RS |
Rolling bearing 6010-2RS |
2 |
|
|
6 |
Q150B0850 |
Bolt M8×50 |
2 |
|
|
7 |
6105Q-1600011 |
Pin |
1 |
|
|
8 |
YC209-C065090FR |
Oil seal 65×90 |
1 |
|
|
9 |
Q150B0870 |
Bolt M8×70 |
1 |
|
|
10 |
Q150B0865 |
Bolt M8×65 |
2 |
|
|
11 |
D30-1002037 |
Top dead center pointer |
1 |
|
|
12 |
Q1200816 |
Stud M8×16 |
2 |
|
|
13 |
Q150B0820 |
Stud M8×20 |
5 |
|
|
14 |
1D30-1002040 |
Fuel injection pump gear cover parts |
1 |
|
|
15 |
D30-1002036 |
Fuel injection pump gear cover gasket |
1 |
|
|
16 |
D30-1002031C |
Timing gear hosing |
1 |
|
|
17 |
D30-1002034C |
Timing gear hosing cover gasket |
1 |
|
|
18 |
D30-1002033D |
Gear housing cover plate |
1 |
|
|
19 |
Q150B0822 |
Bolt M8×22 |
13 |
|
|
20 |
Q40108 |
Washer 8 |
26 |
|
|
21 |
Q340B08 |
Nut M8 |
5 |
|
|
22 |
Q1200865 |
Stud M8×65 |
3 |
|
|
23 |
Q150B0855 |
Stud M8×55 |
1 |
|
|
24 |
D30-1002211C |
V-belt idle gear |
1 |
|
|
25 |
D30-1002212B |
Spacer sleeve |
1 |
4、D0712-1003000/01 Cylinder Head and Cylinder Head Cover Assembly
|
No. |
Part No. |
Name |
Qty. |
Remark |
|
1 |
150-1003043C |
Seal ring |
1 |
|
|
2 |
150-1003041F |
Oil filler cap |
1 |
|
|
3 |
330-1003013B |
Cylinder head bolt(long) |
4 |
|
|
4 |
6105Q-1003085 |
Lifting ear |
1 |
|
|
5 |
D30-1003017 |
Washer |
1 |
|
|
6 |
D30-1003022C |
Cylinder head cover gasket |
1 |
|
|
7 |
Q614B06 |
Threaded plug NPT3/4 |
3 |
|
|
8 |
D30-1003015B |
Cylinder head |
1 |
|
|
|
D30-1003015B* |
Cylinder head subassembly |
1 |
|
|
9 |
6105QA-1003088 |
Cylinder head locating pin sleeve |
2 |
|
|
10 |
D0300-1003011 |
Cylinder head gasket |
1 |
Easy Wear Part |
|
11 |
6105Q-1003081 |
Water jacket plug(I） |
8 |
|
|
12 |
330-1003018B |
Cylinder head bolt(short) |
4 |
|
|
13 |
330-1003014B |
Cylinder head bolt(short) |
6 |
|
|
14 |
D30-1003018 |
Cylinder head bolt(short) |
4 |
|
|
15 |
Q1840816 |
Bolt M8×16 |
10 |
|
|
16 |
6105Q-1003085 |
Lifting ear |
1 |
|
|
17 |
D0708-1003060A |
Cylinder head cover parts |
1 |
|
|
Note: D30-1003015B* includes D30-1003015B Cylinder Head, 6105Q-1003081 Water Jacket Plug (-), 430-1007018 Valve Guide, 430-1007019A Intake Valve Seat, and 430-1007021A Exhaust Valve Seat. |
||||
5、D0200-1004000/07 Piston and Connecting Rod Assembly
|
No. |
Part No. |
Name |
Qty. |
Remark |
|
1 |
A30-1004016 |
1st compression ring |
4 |
Easy Wear Part |
|
2 |
A30-1004017 |
2nd compression ring |
4 |
Easy Wear Part |
|
3 |
A30-1004030 |
Scraper ring |
4 |
Easy Wear Part |
|
|
A30-1004016* |
Piston ring subassembly |
1 |
|
|
4 |
D0200-1004015A |
Piston |
4 |
Easy Wear Part |
|
5 |
430-1004019 |
Piston pin |
4 |
|
|
6 |
Q43040 |
Retaining ring 40 |
8 |
Easy Wear Part |
|
7 |
E0200-1004200 |
Connecting rod part |
4 |
|
|
8 |
530-1004019 |
Connecting rod bearing shell |
8 |
Easy Wear Part |
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 YC4D120-21(D1204) 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