Oil Inlet Pipe-Turbocharger-MC11 202-05703-5320 SINOTRUK
| Product Name | Oil Inlet Pipe-Turbocharger-MC11 |
| Product Number | 202-05703-5320 |
| MOQ | 1 |
| Warranty period | 3 Months |
| Package | Carton |
| Application | SINOTRUK SITRAK C7H, HOWO T7H/TX series |
| Original | China |
Product Description
Product Features
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Structure: Precision-bent from high-strength steel with a corrosion-resistant zinc plating. It features threaded fittings at both ends for a secure, leak-free connection to the engine lubrication system and the turbocharger.
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Performance: Withstands engine oil temperatures up to 150°C and pressures up to 12 bar, resisting corrosion and vibration-induced fatigue. The rigid steel construction maintains a consistent flow path.
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Design: Factory-formed to match the original vehicle’s underhood routing, ensuring a direct, bolt-on installation without modifications.
Core Function
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Delivers pressurized engine oil to the turbocharger’s bearing system, ensuring continuous lubrication and cooling for the high-speed turbine shaft.
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Maintains a consistent oil supply to prevent turbocharger bearing wear and premature failure, even under high engine loads.
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The corrosion-resistant plating ensures long service life in the harsh underhood environment.
Oil Inlet Pipe for Turbocharger MC11 | OEM 202-05703-5320 | SINOTRUK Genuine Replacement
When your SINOTRUK MC11 engine demands uninterrupted turbocharger lubrication, this Oil Inlet Pipe (Part No. 202-05703-5320) delivers precisely metered oil flow to keep boost pressure consistent and bearing temperatures in check. Engineered to match OEM dimensional tolerances within ±0.05 mm, it speaks the same language as your factory-installed turbo system — ensuring zero-leak performance from day one.
METTLEAD Truck Parts manufactures this oil inlet pipe under strict quality control protocols in China, offering procurement managers a cost-competitive alternative without sacrificing the durability your fleet operations require.
Key Features and Benefits of the Oil Inlet Pipe 202-05703-5320
Precision-Engineered Oil Delivery
This turbocharger oil inlet pipe channels pressurized engine oil directly into the turbo bearing housing. Its internal bore diameter is calibrated to maintain optimal oil volume flow rate (typically 1.5–3.0 L/min at operating RPM), preventing both oil starvation and over-supply conditions that accelerate bearing wear.
OEM-Grade Material Composition
Constructed from high-carbon steel alloy with anti-corrosion surface treatment, this pipe resists thermal fatigue across the MC11 engine’s operating temperature range (–40°C to +150°C ambient oil temperature). It won’t brittlize in cold-start conditions or deform under sustained high-heat cycles.
Direct-Fit Installation
The mounting flanges, banjo bolt patterns, and bend radii replicate the original SINOTRUK specification exactly. Your workshop technicians can complete the swap in under 30 minutes without custom adapters or line modifications.
Leak-Free Sealing Architecture
Each connection point features precision-machined sealing surfaces paired with copper crush washers (included). This eliminates the micro-leaks that commonly plague aftermarket alternatives and protects your turbocharger from oil-starved failure.
- Extended turbocharger lifespan — consistent oil film thickness protects journal bearings
- Reduced unplanned downtime — eliminates oil leak-related roadside failures
- Lower total cost of ownership — priced 30–40% below OEM dealer channels
- Inventory simplification — one part number covers the full MC11 turbo application range
Technical Specifications — Oil Inlet Pipe 202-05703-5320
| Parameter | Specification |
|---|---|
| OEM Part Number | 202-05703-5320 |
| Brand Compatibility | SINOTRUK (HOWO, SITRAK series) |
| Engine Platform | MC11 (Man Technology) |
| Component Function | Turbocharger oil supply line (inlet) |
| Material | High-carbon steel alloy, zinc-nickel plated |
| Operating Temperature Range | –40°C to +150°C |
| Burst Pressure Rating | ≥ 1.2 MPa |
| Connection Type | Banjo fitting (engine block side) / Flare fitting (turbo side) |
| Surface Treatment | Anti-corrosion zinc-nickel electroplating |
| Weight (approx.) | 0.45 kg |
| Packaging | Individual neutral box / Custom branding available |
| Quality Standard | ISO/TS 16949 process compliance |
Application Scenarios — Which Vehicles Use This Oil Inlet Pipe?
The 202-05703-5320 oil inlet pipe is purpose-built for the SINOTRUK MC11 engine family. You’ll find this engine powering some of the hardest-working heavy-duty trucks on intercity highways, mining haul roads, and construction logistics routes across Africa, Southeast Asia, the Middle East, and Central Asia.
Compatible Vehicle Models
| Vehicle Series | Model Examples | Typical Application |
|---|---|---|
| SINOTRUK HOWO T7H | 6×4 Tractor, 8×4 Cargo | Long-haul logistics, container transport |
| SINOTRUK HOWO A7 | 6×4 Dump Truck, Tractor Head | Mining, construction material haulage |
| SINOTRUK SITRAK C7H | 4×2 / 6×4 Tractor | Premium long-distance freight |
| SINOTRUK SITRAK G7 | 8×4 Cargo, Mixer Chassis | Urban construction, concrete delivery |
| SINOTRUK HOHAN N7 | 6×4 Tractor | Regional distribution, port drayage |
Whether your fleet runs 200,000 km/year on paved highways or endures punishing off-road vibration in quarry operations, this oil inlet pipe maintains its seal integrity and flow consistency across the full duty cycle.
OEM/ODM Capability — White-Label and Custom Packaging
METTLEAD Truck Parts understands that distributors and fleet operators have different branding requirements. Our manufacturing facility supports flexible customization:
- White-label packaging — neutral boxes with your brand logo, part number, and barcode printed to your specifications
- Custom packaging design — full-color retail boxes or bulk industrial packaging tailored to your market positioning
- Private-label part numbering — cross-reference your internal catalog system for seamless inventory integration
- Mixed container orders — combine this oil inlet pipe with other SINOTRUK truck parts to optimize shipping costs
Minimum order quantities are flexible for first-time buyers. We work with you to build a supply relationship that scales with your business growth.
Frequently Asked Questions — Oil Inlet Pipe 202-05703-5320
What happens if the turbocharger oil inlet pipe fails?
A cracked or blocked oil inlet pipe starves the turbocharger bearings of lubrication within seconds. This causes rapid bearing surface degradation, shaft play, and ultimately catastrophic turbo failure — an expensive repair that typically costs 8–15× more than replacing the inlet pipe proactively.
How do I know when to replace the oil inlet pipe on my MC11 engine?
Watch for these warning signs: visible oil weeping at pipe connections, unexplained drops in turbo boost pressure, elevated turbo bearing temperature readings, or oil residue accumulating on the turbocharger housing exterior. Preventive replacement is recommended at major overhaul intervals (every 300,000–500,000 km).
Is this oil inlet pipe identical to the original SINOTRUK factory part?
Yes — the 202-05703-5320 manufactured by METTLEAD replicates all critical dimensions, material grades, and surface finishes of the OEM component. It installs using the same hardware and torque specifications documented in the SINOTRUK MC11 workshop manual.
Does this pipe come with sealing washers and mounting hardware?
Each unit ships with new copper crush washers for both connection points. We recommend replacing these washers at every installation — reusing old washers is the most common cause of post-installation leaks.
Can I use this part on non-SINOTRUK engines that share MC11 architecture?
The MC11 engine platform (derived from MAN D20 technology) appears in several Chinese OEM truck brands. While the turbo oil feed routing is often similar, always verify the part number cross-reference before installation. Contact our technical team for compatibility confirmation on specific applications.
What is the typical lead time for bulk orders?
Standard inventory items ship within 3–5 business days. Custom-packaged or white-label orders typically require 15–20 days production lead time depending on quantity and packaging complexity.
Ready to Secure Your Supply? Get a Quote Today
Every day without a reliable parts supplier is a day your fleet risks unplanned downtime. METTLEAD Truck Parts delivers the Oil Inlet Pipe 202-05703-5320 with competitive pricing, consistent quality, and lead times that keep your inventory healthy.
Take the next step:
- Request a detailed quotation with volume pricing tiers
- Ask about mixed-container orders with other SINOTRUK MC11 engine components
- Discuss custom packaging and private-label options for your market
Contact us now with your required quantity and delivery destination — our sales team responds within 12 business hours with a complete proposal including FOB/CIF pricing and estimated shipping timeline.
Browse our full catalog of SINOTRUK truck parts to consolidate your procurement in one reliable source.









