Product Details
Product Overview
This remanufactured Fuel Common Rail Injector, part number 178-0198, is a direct replacement for the Caterpillar 3126B diesel engine. Designed for reliability and performance, this injector is an essential component of the diesel fuel injection system, ensuring precise fuel delivery for optimal engine combustion. Our product is sourced from Shandong, China, and is available for global shipping, serving major markets in North America, Europe, Asia-Pacific, and the Middle East. We cater to B2B clients requiring high-quality replacement parts for heavy-duty applications, offering professional service and efficient logistics to industrial centers worldwide.
Key Features & Benefits
- High-Quality Remanufacturing: Restored to meet OEM specifications, ensuring reliable performance and extended service life.
- Precision Fuel Delivery: Designed for the common rail system, providing accurate injection timing and fuel atomization for improved engine efficiency.
- Durable Construction: Made from stainless steel to resist corrosion and withstand high-pressure operation.
- Universal Fitment: Engineered for a direct, hassle-free replacement on compatible diesel engines.
- Cost-Effective Solution: Offers a reliable alternative to new parts, reducing maintenance costs without compromising quality.
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 178-0198 |
| OEM Number | 1780198 |
| Product Name | Fuel Common Rail Injector |
| Engine Model | Caterpillar 3126B |
| Fuel Type | Diesel |
| Condition | Remanufactured |
| Material | Stainless Steel |
| Type | Common Rail Injector |
| Application | Diesel Fuel Injection System |
| Warranty | 3 Months |
| Packing | Neutral Packing / WX Packing |
| MOQ | 6 Pieces |
| Package Size | 29 x 12.5 x 12.5 cm |
| Gross Weight | 1.500 kg |
OEM Cross-Reference
This injector is a direct cross-reference for the following OEM numbers:
- 178-0198 (Caterpillar)
- 1780198
Compatibility
This fuel injector is specifically designed for the Caterpillar 3126B diesel engine. It is commonly used in various heavy-duty applications, including:
- Medium-duty trucks and buses
- Industrial and agricultural equipment
- Generator sets
- Marine applications (where applicable)
Please verify engine code and model compatibility before purchase. This part is intended for diesel engines only.
Global Supply & Distribution
We offer worldwide shipping capabilities, ensuring fast and reliable delivery to major ports and industrial centers globally. Our distribution network covers:
- North America: USA, Canada, Mexico
- Europe: UK, Germany, France, Netherlands, Poland
- Asia-Pacific: Australia, Japan, South Korea, Singapore
- Middle East & Africa: UAE, Saudi Arabia, South Africa
- Latin America: Brazil, Chile, Argentina
We have extensive export experience and comply with international trade standards to ensure smooth customs clearance and logistics.
Quality Assurance
Each remanufactured injector undergoes rigorous testing to ensure it meets or exceeds OEM performance standards. Our quality assurance process includes:
- Testing: Pressure, flow, and spray pattern testing to guarantee precise fuel delivery.
- Materials: Use of high-grade stainless steel for durability and corrosion resistance.
- Certifications: Our manufacturing processes adhere to international quality management standards.
- Warranty: Each injector is backed by a 3-month warranty against manufacturing defects.
FAQ
Q1: Is this injector a direct fit for my Caterpillar 3126B engine?
Yes, this injector (part number 178-0198) is a direct replacement for the Caterpillar 3126B diesel engine. It is designed to match the original specifications, ensuring a seamless fit and function. Please confirm your engine code and model to ensure compatibility.
Q2: What is the installation procedure for this remanufactured injector?
Installation should be performed by a qualified technician. Key steps include: (1) relieving fuel system pressure, (2) removing the old injector, (3) cleaning the injector bore, (4) lubricating the O-rings with clean engine oil, (5) installing the new injector and torquing to manufacturer specifications, and (6) bleeding the fuel system to remove air. Always consult your engine’s service manual for detailed instructions.
Q3: How do I maintain the injector to ensure a long service life?
To maximize injector life, use high-quality diesel fuel and replace fuel filters at recommended intervals. Avoid running the engine on low fuel, as this can introduce air into the system. Regularly inspect fuel lines for leaks or damage. If you experience symptoms like rough idling, reduced power, or black smoke, have the fuel system checked by a professional.
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 .
FAQ
Common Product Inquiry Questions
How can I confirm this part matches my engine or injector model?
Send the OEM number, engine model, application, or clear product photos. We will help verify the suitable part before quotation.
Can I ask for packing, shipping, and delivery details together?
Yes. You can combine product confirmation, quantity, destination, packing request, and shipment method in one inquiry so the quotation is more complete.
Why is price not displayed on the page?
This catalog is built for B2B inquiry. Final pricing depends on the confirmed part number, quantity, stock situation, and shipping destination.
What information helps you quote faster?
Please include the OEM number, engine model, quantity, destination country, and any packing or shipping preference. This usually speeds up matching and quotation.
Inquiry Desk
Send Product Inquiry
Use this form to ask for fitment, MOQ, delivery time, packing, and shipping support for this product.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.
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Quick Inquiry
Caterpillar 3126B Diesel Engine Fuel Common Rail Injector 178-0198 Remanufactured
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Inquiry Desk
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Quick contact for this product. OEM number is attached automatically.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.