Welcome to Guangzhou Pinxin Engine Co., Ltd., your trusted source for high-quality diesel engine parts. We specialize in providing reliable components that keep your heavy machinery running at peak performance. Today, we highlight a critical component for Caterpillar C7.1 engines: the Oil Nozzle T405344.

Product Overview: Oil Nozzle C7.1 T405344
The **Caterpillar C7.1 Oil Nozzle T405344** is a precisely engineered part vital for the lubrication and cooling system of the Caterpillar C7.1 diesel engine. Its primary function is to spray lubricating oil onto the underside of the pistons and other critical moving components, ensuring proper cooling, reducing friction, and extending the lifespan of the engine. Using a genuine or high-quality replacement nozzle like the T405344 ensures your engine receives the correct amount of oil spray at the necessary pressure and pattern.
Key Product Advantages & Selling Points
Optimal Lubrication: Ensures targeted oil spray for crucial component cooling and lubrication.
Enhanced Engine Life: Reduces heat and wear, preventing premature failure of pistons and bearings.
Precision Engineering: Manufactured to exact specifications for the Caterpillar C7.1 engine.
Reliable Performance: A durable replacement part designed for demanding operating conditions.
Direct Fit: Designed for easy installation as a direct replacement for the original part.
Product Specifications & Parameters
Part Number: T405344
Alternative/Cross Reference Part Number: (If available, list here - Placeholder)
Engine Model Compatibility: Caterpillar C7.1 Diesel Engine
Function: Piston Cooling and Lubrication Jet
Material: High-Quality Steel/Alloy (Typical)
Condition: Brand New, Replacement Part
Origin: (Specify if known, e.g., Aftermarket/Genuine)
Applications & Compatible Machinery
The **Caterpillar C7.1 engine** is a versatile and widely used power unit in various heavy-duty applications. The **Oil Nozzle T405344** is specifically designed for this engine model, making it compatible with a broad range of Caterpillar machinery and other equipment utilizing the C7.1 engine.
Applicable Engine Model:
Caterpillar C7.1 Diesel Engine
Typical Machinery & Application Scenarios:
Excavators: Ensuring proper engine cooling during continuous digging and heavy lifting operations.
Example: Caterpillar CAT 320D Excavator (often equipped with C7.1)
Wheel Loaders: Maintaining lubrication under high load cycles in material handling.
Example: Caterpillar CAT 924K Wheel Loader
Dozers: Critical for engine durability during demanding pushing and grading tasks.
Skid Steer Loaders: Providing reliable performance in compact yet powerful machines.
Industrial Power Units: Supporting consistent operation in generators, pumps, and other stationary applications.
Agricultural Equipment: Ensuring engine longevity during long operating hours in the field.
In any scenario where a **Caterpillar C7.1 engine** is utilized, the **Oil Nozzle T405344** plays a fundamental role in preventing engine damage due to inadequate lubrication or excessive heat.
Why Choose Guangzhou Pinxin Engine Co., Ltd.?
At Guangzhou Pinxin Engine Co., Ltd., we pride ourselves on being a leading supplier of high-quality aftermarket and genuine diesel engine parts. Our extensive inventory includes core components like cylinder liners, pistons, engine blocks, crankshafts, injectors, and diesel pumps. The **Caterpillar C7.1 Oil Nozzle T405344** is just one example of the many reliable parts we offer to keep your equipment operational. We are committed to providing durable parts that meet or exceed OEM specifications, backed by excellent customer service.
Frequently Asked Questions & Maintenance Tips
Q1: What is the main function of the Caterpillar C7.1 oil nozzle T405344?
A1: The primary function is to spray lubricating oil directly onto the underside of the pistons and connecting rod bearings. This is crucial for cooling the pistons (which get very hot from combustion) and providing essential lubrication to prevent wear and tear, thereby extending the life of the piston and surrounding components in the C7.1 engine.
Q2: How can I tell if my C7.1 engine oil nozzle might be faulty?
A2: A faulty oil nozzle (clogged or damaged) can lead to insufficient cooling and lubrication. While not always immediately obvious, signs might include increased engine operating temperature, unusual knocking noises from the piston area (due to lack of lubrication), or premature wear seen on pistons or bearings during inspection or overhaul. A clogged nozzle means the piston doesn't get the necessary cooling oil, leading to potential scuffing or failure.
Troubleshooting & Repair: If you suspect a faulty nozzle, a visual inspection during engine service is necessary. Look for physical damage or blockages in the spray orifice. Often, the most reliable solution is replacement. Replacing the **Oil Nozzle T405344** with a new, quality part from Guangzhou Pinxin ensures proper function.
Q3: What maintenance tips are important for **Caterpillar C7.1 oil nozzles** and the lubrication system?
A3: The health of the oil nozzles is directly related to the overall health of your engine's lubrication system. Key maintenance tips include:
Regular Oil and Filter Changes: Use high-quality engine oil of the correct viscosity and specification recommended by Caterpillar. Replace oil filters religiously. Clean oil prevents clogs.
Monitor Oil Pressure and Temperature: Pay attention to your engine's gauges. Low oil pressure or high oil temperature can indicate issues that might affect nozzle performance.
Inspect During Overhauls: Whenever the engine is disassembled for major service, inspect the oil nozzles for any signs of blockage, damage, or wear. Clean or replace as needed.
Proper maintenance of the oil system is key to ensuring the **Oil Nozzle T405344** can perform its vital cooling and lubricating role effectively.
Diesel Engine Parts Glossary: English | 中文 | Русский
As specialists in diesel engine parts, Guangzhou Pinxin offers a wide range of components. Here are a few examples translated for your convenience:
1. Piston Ring | 活塞环 | Поршневое кольцо
Location: Groove on the piston in the cylinder bore.
Example Keyword: Caterpillar CAT C7.1 Piston Ring
2. Cylinder Liner | 缸套 | Гильза цилиндра
Location: Inserted into the engine block bore, forms the cylinder wall.
Example Keyword: Caterpillar CAT C9 Cylinder Liner
3. Crankshaft | 曲轴 | Коленчатый вал
Location: Mounted in the engine block, connected to pistons via connecting rods.
Example Keyword: Caterpillar CAT 3406 Crankshaft
4. Fuel Injector | 燃油喷射器 | Топливная форсунка
Location: Typically in the cylinder head, sprays fuel into the combustion chamber.
Example Keyword: Caterpillar CAT C15 Fuel Injector
5. Diesel Pump | 柴油泵 | Дизельный насос
Location: Part of the fuel system, delivers fuel to injectors.
Example Keyword: Caterpillar CAT 3306 Diesel Pump
6. Connecting Rod | 连杆 | Шатун
Location: Connects the piston to the crankshaft.
Example Keyword: Caterpillar CAT C13 Connecting Rod
7. Camshaft | 凸轮轴 | Распределительный вал
Location: Controls the opening and closing of engine valves.
Example Keyword: Caterpillar CAT C4.4 Camshaft
8. Engine Valve | 发动机气门 | Клапан двигателя
Location: In the cylinder head, controls intake and exhaust flow.
Example Keyword: Caterpillar CAT C6.6 Engine Valve
9. Turbocharger | 涡轮增压器 | Турбокомпрессор
Location: Connected to the exhaust manifold and intake system.
Example Keyword: Caterpillar CAT 3516 Turbocharger
10. Oil Cooler | 机油冷却器 | Масляный радиатор
Location: Part of the lubrication system, cools the engine oil.
Example Keyword: Caterpillar CAT C18 Oil Cooler
Get the Reliable Parts You Need Today!
For this **Caterpillar C7.1 Oil Nozzle T405344** or any other diesel engine parts, trust Guangzhou Pinxin Engine Co., Ltd. Contact us for inquiries or to place an order.