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Mr. Perry Wu International Sales Director
Genuine YC4D120-21(D1204) Engine Parts - Crankshaft Damper, Camshaft, Valve Tappet & Intake/Exhaust Pipe
|
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、 D12F1-1005000/03 Crankshaft Vibration Damper Assembly
|
No. |
Part No. |
Name |
Qty. |
Remark |
|
1 |
430-1005052E |
Tightening bolt of crankshaft belt pulley |
1 |
|
|
2 |
530-1005018B |
Crankshaft head gasket I |
1 |
|
|
3 |
D30-1005030A |
Belt pulley vibration damper assembly |
1 |
|
|
4 |
530-1005017A |
Belt pulley spacer sleeve |
1 |
|
|
5 |
530-1005024 |
Washer |
1 |
|
|
6 |
YC208-B04370F |
O-ring 2.65×4.37 |
1 |
|
|
7 |
D30-1005022 |
Oil pump driving gear |
1 |
|
|
8 |
D30-1005023 |
Spacer sleeve |
1 |
|
|
9 |
6105Q-1005021 |
Crankshaft timing gear |
1 |
|
|
10 |
GB/T1096-C1232 |
Key C12×32 |
1 |
|
|
11 |
Q5511245 |
Key 12×45 |
1 |
|
|
12 |
D30-1005054 |
Upper bearing (narrow) |
4 |
|
|
13 |
D30-1005055 |
Lower bearing(narrow) |
4 |
|
|
14 |
D30-1005056A |
Upper bearing(wide) |
1 |
|
|
15 |
6105Q-1005058A |
Crankshaft thrust plate |
4 |
|
|
16 |
D30-1005057 |
Lower bearing(wide) |
1 |
|
|
17 |
D30-1005015A |
Crankshaft |
1 |
|
|
18 |
YC24-B1226 |
Pin |
1 |
2、 D30-1006000A /06 Camshaft Assembly
|
No. |
Part No. |
Name |
Qty. |
Remark |
|
1 |
Q150B1238TF2 |
Bolt M12×38 |
1 |
|
|
2 |
Q40312 |
Lock Washer 12 |
1 |
|
|
3 |
630-1006019 |
Washer |
1 |
|
|
4 |
D30-1006021 |
Camshaft timing gear |
1 |
|
|
5 |
GB/T1096-C0828 |
Key C8×28 |
1 |
|
|
6 |
D30-1006001 |
Camshaft |
1 |
Easy Wear Part |
|
7 |
Q/YC1820820TF2 |
Bolt M8×20 |
2 |
|
|
8 |
Q40308 |
Lock Washer 8 |
2 |
|
|
9 |
D30-1006016 |
Camshaft thrust plate |
1 |
|
|
10 |
6105Q-1006017 |
Spacer-camshaft timing gear |
1 |
3、D30-1007000A/10 Valve Tappet Assembly
|
No. |
Part No. |
Part Name |
Qty. |
Remark |
|
1 |
J3100-1007144 |
Intake valve rocker arm sleeve |
8 |
Easy Wear Part |
|
2 |
J3100-1007143 |
Intake valve rocker arm |
4 |
|
|
3 |
6105QA-1007053 |
Valve adjusting bolt |
8 |
|
|
4 |
6105Q-1007054 |
Lock nut |
4 |
|
|
5 |
D30-1007036 |
Hexagonal bolt |
4 |
|
|
6 |
A30-1007092 |
Washer |
3 |
|
|
7 |
D30-1007033 |
Rocker arm shaft seat (Ⅱ) |
8 |
|
|
8 |
J3100-1007153 |
Exhaust valve rocker arm |
4 |
|
|
9 |
6105QA-1007031 |
Rocker arm shaft washer |
6 |
|
|
10 |
6105QA-1007032 |
Rocker arm shaft spring |
3 |
|
|
11 |
D30-1007031 |
Rocker arm shaft washer |
2 |
|
|
12 |
D30-1007002 |
Pushing rod |
8 |
Easy Wear Part |
|
13 |
D30-1007001A |
Tappet |
8 |
Easy Wear Part |
|
14 |
D30-1003111B |
Intake valve |
4 |
Easy Wear Part |
|
15 |
6105Q-1007023 |
Inner valve spring |
8 |
|
|
16 |
D30-1003118 |
Valve outer spring |
8 |
Easy Wear Part |
|
17 |
430-1007016A |
Valve stem oil seal |
8 |
Easy Wear Part |
|
18 |
D30-1003116 |
Valve spring upper seat |
8 |
Easy Wear Part |
|
19 |
150-1007021E |
Valve lock clamp |
16 |
Easy Wear Part |
|
20 |
D30-1003103B |
Exhaust valve |
4 |
Easy Wear Part |
|
21 |
6105Q-1007073 |
Union bolt |
2 |
|
|
22 |
Q/YC149-8 |
Compound seal ring 8 |
4 |
Easy Wear Part |
|
23 |
D30-1007075A |
Oil pipe weldment |
1 |
|
|
24 |
D30-1007034 |
Rocker arm shaft seat( Ⅰ) |
1 |
|
|
25 |
D30-1007101 |
Rocker arm shaft |
1 |
|
|
26 |
Q43125 |
Retaining ring 25 |
2 |
|
|
27 |
6105QA-1007042 |
Bowl-type plug |
2 |
4、D0702-1008100/04&D0702-1008500/03 Air Intake Pipe Assembly & Air Intake Connecting Pipe Assembly
|
No. |
Part No. |
Name |
Qty. |
Remark |
|
1 |
D0702-1008102 |
Air intake connecting pipe |
1 |
|
|
2 |
Q67664 |
Loop hoop 64 |
2 |
|
|
3 |
231-1008018B |
Air compressor outlet connecting hose |
1 |
|
|
4 |
Q/YC198-20 |
Screw plug M20×1.5 |
2 |
|
|
5 |
Q/YC149-20 |
Compound seal washer 20 |
2 |
|
|
6 |
1530-1008105C |
Air intake connecting pipe gasket |
1 |
|
|
7 |
Q1201035 |
Stud M10×35 |
4 |
|
|
8 |
1D30-1008011 |
Air intake pipe gasket |
1 |
|
|
9 |
D0702-1008101 |
Air intake pipe |
1 |
|
|
10 |
6105Q-3509013 |
Washer |
12 |
|
|
11 |
Q40308 |
Washer 8 |
12 |
|
|
12 |
Q150B0832 |
Bolt M8×32 |
8 |
|
|
13 |
Q150B0870 |
Bolt M8×70 |
4 |
|
|
14 |
Q40110 |
Washer 10 |
4 |
|
|
15 |
Q40310 |
Washer 10 |
4 |
|
|
16 |
Q340B10 |
Nut M10 |
4 |
|
|
12 |
Q150B0835 |
Bolt M8×35 |
8 |
5、D0702-1008200/04&D0702-1008400/03 Air Exhaust Pipe Assembly & Air Exhaust Pipe Cover Assembly
|
No. |
Part No. |
Name |
Qty. |
Remark |
|
1 |
Q1840812 |
Bolt M8×12 |
8 |
|
|
2 |
D0702-1008204A |
Air exhaust pipe |
1 |
|
|
3 |
D2000-1008250B |
Air exhaust pipe gasket subassembly |
4 |
|
|
4 |
630-1008022A |
Air exhaust pipe bolt |
8 |
|
|
5 |
D0702-1008211 |
Air exhaust pipe cover |
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 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