Product Details
Product Overview
This is a high-quality, professionally remanufactured diesel fuel injector, part number 141-7837 (OEM: 1417837). Designed as a direct replacement for Caterpillar 3126 and 3126B engines, this common rail injector restores optimal fuel delivery and combustion efficiency. We supply this critical component to B2B clients worldwide, including major markets in North America, Europe, the Middle East, and Asia-Pacific, ensuring reliable performance for heavy-duty trucking and industrial applications.
Key Features & Benefits
- Premium Remanufacturing: Each injector undergoes a complete remanufacturing process to meet or exceed original performance specifications, offering a cost-effective alternative to new OEM parts.
- Durable Construction: Manufactured with high-grade stainless steel components for superior corrosion resistance and long-term durability under extreme engine conditions.
- Precision Fuel Delivery: Ensures precise atomization and fuel metering for improved engine power, fuel economy, and reduced emissions.
- Guaranteed Fitment: A direct bolt-on replacement designed for seamless installation, eliminating downtime and ensuring compatibility with your 3126/3126B engine.
- Global Logistics Support: Packaged for safe international shipping with fast delivery to major industrial hubs and ports worldwide.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 141-7837 |
| OEM Part Number | 1417837 |
| Product Name | Common Rail Diesel Fuel Injector |
| Condition | Remanufactured / High-Quality |
| Primary Application | Caterpillar 3126, 3126B Engine |
| Fuel Type | Diesel |
| Material | Stainless Steel |
| Weight | 1.5 kg (Unit); 1.0 kg (Packed) |
| Package Size | 24 x 12 x 6 cm |
| Packing | Neutral / Protective WX Packing |
| Minimum Order Quantity (MOQ) | 6 Pieces |
| Warranty | 3 Months |
| Place of Origin | Shandong, China |
OEM Cross-Reference
This injector directly replaces the following OEM part numbers:
- CaterpillarĀ®: 141-7837, 1417837
Note: Always verify part number compatibility with your specific engine serial number before purchase.
Compatibility
This diesel fuel injector is engineered for compatibility with the following applications:
- Engine Models: Caterpillar 3126, Caterpillar 3126B
- Application: Primarily used in medium and heavy-duty trucks, as well as industrial and generator set applications powered by the CAT 3126/3126B engine.
- Commonly found in truck models from various manufacturers (e.g., International, Peterbilt, Kenworth) equipped with this engine platform.
Global Supply & Distribution
We are a professional B2B supplier with extensive experience in the global export of heavy-duty engine components. Our streamlined supply chain ensures reliable delivery to key markets:
- Worldwide Shipping: We ship to all major continents via air and sea freight, with documentation prepared for smooth customs clearance.
- Major Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Middle East (UAE, Saudi Arabia), and Southeast Asia.
- Fast Delivery: Consolidated shipments ensure cost-effective and timely delivery to major ports and logistics centers in Los Angeles, Rotterdam, Singapore, Dubai, and Sydney.
- Trade Compliance: All exports comply with international trade regulations and standards.
Quality Assurance
Every injector is built to deliver reliable performance and longevity.
- Remanufacturing Standards: Components are disassembled, cleaned, inspected, and rebuilt with new seals and critical wear parts to restore original flow rates and spray patterns.
- Rigorous Testing: Each unit undergoes bench testing to verify pressure holding, leak-down rates, and dynamic operation before packaging.
- Warranty Backed: This part is backed by a 3-month warranty from the date of delivery, covering defects in material and workmanship.
FAQ
Q: Is this injector a direct fit for my Caterpillar 3126 engine?
A: Yes. This remanufactured injector, part number 141-7837, is designed as a direct bolt-on replacement for the CAT 3126 and 3126B engines. Ensure you are replacing the correct injector by matching the part number from your old unit.
Q: What is included in the “remanufactured” process?
A: Our remanufacturing process involves complete disassembly, ultrasonic cleaning, replacement of all seals, O-rings, and any worn internal components, followed by recalibration and testing to meet original equipment performance specifications. This provides like-new performance at a reduced cost.
Q: Do you provide technical support for installation?
A> While we recommend installation by a qualified diesel technician, we provide general installation guidelines. For specific torque specifications and procedures, always refer to the official Caterpillar 3126/3126B engine service manual to ensure proper installation and avoid engine damage.
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
Remanufactured Diesel Fuel Injector 141-7837 for Caterpillar 3126 & 3126B Engine
Send one clear inquiry and we will reply with quotation, lead time, and fitment confirmation.
- OEM number is included automatically when available.
- Add quantity, destination, and packing needs for a faster quote.
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Inquiry Desk
Send Inquiry
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.