Product Overview

This high-quality ZS4S1 diesel fuel injection nozzle is a direct replacement for a wide range of single-cylinder diesel engines. Designed for optimal fuel atomization and combustion efficiency, it is a critical component for maintaining engine performance. We ship globally, serving major markets including North America, Europe, Southeast Asia, the Middle East, and Africa, with fast delivery to major industrial centers and ports.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications (ZS4S1) for a perfect fit and reliable performance.
• Enhanced Fuel Efficiency: Optimized spray pattern ensures complete fuel combustion, reducing fuel consumption and emissions.
• Durable Construction: Made from high-grade alloy steel for exceptional wear resistance and a long service life under high-pressure conditions.
• Easy Installation: Direct bolt-on replacement for your existing nozzle, requiring no modifications.
• Rigorous Testing: Every nozzle is tested for spray pattern, opening pressure, and sealing integrity before shipment.

Technical Specifications

OEM Cross-Reference

This nozzle replaces the following OEM part number(s):

• ZS4S1

Please confirm your original part number matches ZS4S1 before purchasing.

Compatibility

This ZS4S1 fuel injection nozzle is designed for use in a wide variety of single-cylinder diesel engines. It is compatible with the following engine models:

• Engine Models: 165F, 170F, 175F, R175, R180, R185, S195, S195A
• Vehicle/Equipment: Suitable for diesel generators, water pumps, tillers, small tractors, and other agricultural or industrial machinery using the listed engines.

Global Supply & Distribution

• Worldwide Shipping: We offer reliable shipping via Air, Sea, and Express delivery (DHL, FedEx, UPS, TNT) to all major global destinations.
• Major Markets: Our products are regularly exported to North America, Europe, Southeast Asia, the Middle East, Africa, and South America.
• Fast Delivery: Standard delivery time is 3-37 working days depending on the shipping method and destination. Express shipping to major industrial hubs is typically available within 7-15 days.
• Trade Experience: We are an experienced exporter from Shandong, China, with a strong track record of fulfilling international B2B orders efficiently.

Quality Assurance

• Manufacturing Standards: Manufactured in a facility that adheres to strict quality control processes.
• Warranty: All nozzles are backed by a 6-month warranty against manufacturing defects.
• Testing: Each unit undergoes rigorous testing for spray quality, pressure calibration, and leak-tightness before dispatch.

FAQ

Q1: How do I confirm this ZS4S1 nozzle will fit my engine?
A: Please check the original part number on your existing nozzle. If it is stamped with “ZS4S1”, this product is a direct replacement. This nozzle is specifically designed for the 165F, 170F, 175F, R175, R180, R185, S195, and S195A single-cylinder diesel engines.

Q2: What is the recommended installation procedure?
A: Installation should be performed by a qualified mechanic. Ensure the nozzle seat and fuel system are clean to prevent contamination. The nozzle should be tightened to the manufacturer’s specified torque. It is highly recommended to replace the copper washer or seal when installing a new nozzle.

Q3: How should I store the nozzle if not used immediately?
A: Store the nozzle in a clean, dry place at room temperature. Keep it in its original packaging to protect the precision tip from dirt and physical damage. Do not remove the protective cap until you are ready to install it.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .