Confirm Compatibility: All parts are 100% compatible with Yuchai YC4S140-48(S56D1) turbocharged diesel engine. With 3.8L displacement, 103kW rated power, and Euro IV compliance, this engine is widely used in medium/light-duty trucks and 4x2 vans. Our parts are tailored for its low-noise, fuel-efficient (199g/kW·h) design, meeting routine maintenance and emergency repair needs.
Parts Coverage: Our parts cover core systems of the engine: power core (cylinder block, piston, crankshaft damper), fuel & emission (injection pump, turbocharger, EGR), lubrication & cooling (oil pump, filter, water pump), and electrical & auxiliary (alternator, starter, ECU). EWP-marked wear parts are easy to identify.
Quality Assurance: All parts adhere to Yuchai’s technical standards, with part numbers matching the original catalogue. Key components use high-strength materials; wear parts pass strict tests. We offer an 18-month or 150,000km warranty, plus 24-hour English technical guidance and global after-sales service for seamless installation.
Practical Tips: For accurate selection, reference the original part number or provide your engine’s production batch. Our parts restore fuel efficiency and dynamic performance, minimizing downtime. Bulk orders enjoy preferential pricing—contact our team for tailored recommendations and support.
Detail Parts List
01 S5500-1028000/02 Oil Dipstick Assembly
No.
Part No.
Name
Qty.
Remark
1
YC46-A650
Oil scale component
1
Easy Wear Part
2
A3000-1111048
Rubber sleeve
1
-
3
SA000-1028008
Pipe clamp
1
-
4
SA000-1028150
Oil scale casing component I
1
-
5
S2000-1028160
Oil scale casing component II
1
-
02 S55D1-1104000/02 Fuel Supply Pipeline Assembly
No.
Part No.
Name
Qty.
Remark
1
Q/YC149-12
Seal ring washer 12
4
Easy Wear Part
2
393-1118001
Bolt M12X1.5
2
-
3
SA000-1104100
High pressure pipe parts
1
-
4
SA000-1104080
Pipe component from injection pump to common rail
2
-
5
SA000-1104300A
Pipe parts from fuel delivery pump to fuel filter
1
-
6
Q/YC149-16
Seal ring washer 16
8
Easy Wear Part
7
Q/YC901-1C1615
Bolt M16X1.5
4
-
8
SA000-1104400
Pipe parts from fuel filter to fuel injection pump
1
-
9
Q/YC149-14
Seal ring washer 14
2
Easy Wear Part
10
Q/YC149-10
Seal ring washer 10
2
Easy Wear Part
11
Q/YC901-1C1415
Bolt M14X1.5
1
-
12
Q/YC901-1C1010
Bolt M10X1
1
-
13
Q1840612
Bolt M6X12
1
-
14
S5500-1104200
Pipe parts of oil return
1
-
15
S55D1-1104950
Pipe parts of oil inlet
1
-
03 S55D1-1105000/01 Diesel Filter Assembly
No.
Part No.
Name
Qty.
Remark
1
Q1841025TF2
Bolt M10X25
2
-
2
S2000-1105100
Fuel filter
1
-
-
S2000-1105140
Filter element subassembly
1
-
3
SA000-1105003
Filter holder
1
-
4
Q1841020TF2
Bolt M10X20
3
-
04 S5500-1111000/01 Injection Pump Assembly
No.
Part No.
Name
Qty.
Remark
1
S2000-1111003A
Fuel injection pump gear
1
-
2
YC208-C19000F
O ring 3.55x190
1
Easy Wear Part
3
SA000-1111001A
Fuel injection pump connection plate
1
-
4
Q1841030TF2
Bolt M10x30
7
-
5
SA000-1111350
oil Pipe
1
-
6
Q/YC149-10
Seal ring washer 10
2
Easy Wear Part
7
Q/YC901-1C1010
Bolt M10x1
1
-
8
S5500-1111100-A38
Fuel injection pump
1
-
9
G1600-1111A00
Common rail
1
-
10
Q1840822TF2
Bolt M8x22
2
-
05 S2000-1112000/03 Fuel Injector Assembly
No.
Part No.
Name
Qty.
Remark
1
J5600-1112001D
Injector gasket
4
Easy Wear Part
2
S5000-1112100-A38
Injector
4
-
3
S2000-1112005
Locking plate
4
-
4
GB/T849-8
spherical washer
4
-
5
Q1840825TF2
Bolt M8X25
4
-
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 YC4S140-48(S56D1) 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
Order & Packaging
MOQ: 1 piece
Packaging: Customizable wooden crate / carton standard export protection
Delivery & Payments
Delivery Time: 3-20 working days (Express: DHL/FedEx; Sea freight for bulk)
Payment Methods: L/C, T/T, Western Union (Tracking number provided in 24 hours)
After-Sales: 24-hour technical support, global service network
Frequently Asked Questions
Q1: How do I confirm if these parts fit my engine?
A1: All parts detailed here are 100% compatible with Yuchai YC4S140-48(S56D1) turbocharged diesel engines. To ensure a precise match, you can reference your original catalog part number or provide your engine’s production batch to our team.
Q2: Are these original OEM parts or aftermarket replacements?
A2: We supply 100% Yuchai OEM genuine parts manufactured directly on the original production line, ensuring a perfect 1:1 fit and uncompromised performance.
Q3: What kind of warranty do you provide on these parts?
A3: We offer a comprehensive 18-month or 150,000km warranty along with global after-sales service and 24-hour English technical guidance to assist you with seamless installations.
Q4: What is the Minimum Order Quantity (MOQ) and shipping time?
A4: The MOQ is just 1 piece. Delivery takes between 3 to 20 working days. Shipments are handled via express courier service (DHL/FedEx) for urgent parts, or sea freight for larger bulk orders.
Q5: How are the parts packed for transit?
A5: We provide robust, customizable packaging options including highly secure wooden crates and reinforced cartons to ensure your parts reach you in perfect, undamaged condition.
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