OTTO-Engine Parts
320-0680-OTTO
320-0680-OTTO
320-0680-OTTO

OTTO 320-0680 Common Rail Fuel Injector for Caterpillar CAT C4.4 C6.6 Engine 312D 320D 323D Excavator Sprayer

Maximize your Caterpillar excavator and sprayer performance with the OTTO 320-0680 Common Rail Fuel Injector, a top-tier aftermarket replacement built for long-lasting durability and perfect OEM-style fitment. This high-precision fuel injector restores stable and efficient fuel delivery to your heavy machinery, serving as a budget-friendly yet reliable alternative to genuine CAT OEM parts.

  • Order(MOQ)::

    1pc
  • Goods Stock::

    100
  • Payment::

    T/T, Western Union, L/C, Paypal, etc
  • Product Origin::

    China
  • Shipping Port::

    Huangpu, Guangzhou
  • Lead Time::

    In Stock
  • Part No: :

    320-0680
  • Model::

    C6.6
  • Application::

    EXCAVATOR

OTTO 320-0680 Common Rail Fuel Injector for Caterpillar CAT C4.4 C6.6 Engine 312D 320D 323D Excavator Sprayer


The OTTO 320-0680 Common Rail Fuel Injector is a specialized aftermarket fuel component exclusively designed for CAT diesel engines and construction equipment. As a critical part of the common rail fuel system, it ensures accurate fuel atomization and consistent injection timing, directly boosting engine power output, reducing fuel consumption, and lowering harmful emissions. Manufactured to strict international industry standards, this injector delivers consistent performance, exceptional wear resistance, and reliable operation, making it a must-have part to maintain optimal equipment productivity.


Technical Specifications


Product Name Common Rail Fuel Injector
Part Number OTTO 320-0680
Cross Reference 320-0680
Compatible Brand Caterpillar (CAT)
Compatible Engine C4.4, C6.6
Machine Type Crawler Excavator, Sprayer
Application Engine Common Rail Fuel System
Condition Aftermarket Premium Replacement


Key Product Advantages



  • Perfect OEM Compatibility: Precision-engineered to match original CAT factory specifications, offering a direct drop-in installation for CAT C4.4 and C6.6 engines, no extra modifications or adjustments required, saving installation time and labor costs.
    Stable Fuel Injection Performance: Built with high-precision internal components and strict quality testing, it guarantees consistent fuel atomization and accurate injection timing, effectively optimizing engine combustion, improving power response, and cutting unnecessary fuel waste.
    Heavy-Duty Durability: Made with wear-resistant and heat-resistant premium materials, this injector is built to withstand harsh construction working conditions, resist common fuel system wear and tear, and extend service life, reducing frequent replacement hassles and long-term maintenance costs.



320-0680-Y


Applications


This common rail fuel injector is specifically engineered for Caterpillar (CAT) construction machinery powered by C4.4 and C6.6 engines, widely used for excavation, spraying, and routine heavy-duty engineering operations.
Compatible Models:
Excavator Series: 312D, 320D, 323D
Engine Models: C4.4, C6.6
Equipment Type: Excavator, Sprayer

About Otto



Guangzhou Otto Engineering Machinery Equipment Co.,Ltd, is a leading manufacturer and distributor of earthmoving parts and equipment in Guangzhou, China. It consists of 3 sister companies, serving many well-known distributors at home and abroad. With more than 20 years of production and distribution experience, OTTO has cultivated an experienced engineer team and a professional sales team, which can ensure the highest service with the highest quality, competitive price and prompt delivery. At the same time, it also supplies parts to the Chinese market, and many Chinese trading companies order from our company. 


Come with us, the best service, the best price, the best supplier you can enjoy !


Our Advantages



1.TECHNICAL SERVICE
We provide modification technology service, the product has been tested modifed, the engine can be directly installed and used.
2.CERTIFICATE
With Export certificate License.Double confirmation before shipping, if we sent the wroncparts we will send corect one.
3.SERVICE TEAM
With professional after-sale team, will help you to trace the goods. And our engineers will assist with any installation issues.
4.TECHNICAL SERVICE
Free Sample is acceptable.We serves manywell-known Hitachi Komatsu Caterpillar Kobelco in your country.


Access our comprehensive Excavator Parts Book covering 50,000+ validated OEM references for Komatsu, CAT, Hitachi, Volvo, and Doosan machinery – cross-search by part number (e.g., Komatsu 111-10-11310), machine model (CAT 320D/EX200-5), or component type (hydraulic pumps, track links, engine rebuild kits) with real-time 3D diagram support. Engineered for zero-mismatch fitment across critical assemblies including Isuzu 6BG1T/Cummins QSB6.7 power systems, ISO-certified undercarriages, and Komatsu HMB-series hydraulic valves, all backed by 24/7 technical interpretation and downloadable PDF catalogs with MOQ/pricing.


At OTTO, we specialize in excavator machinery parts with a global clientele. Our superior products have garnered acclaim worldwide for their quality, durability, and precision engineering. Customers praise our extensive range of parts, from travel reduction gearboxes to hydraulic components, ensuring optimal performance. With a commitment to excellence, we offer top-notch warranties, secure shipping options, and efficient delivery times. Join our satisfied customers worldwide who rely on OTTO for top-tier excavator parts and exceptional service.


FAQ



Q1:What can you buy from us?
A:We are professional dealer in excavator parts, such as desel engine assy,hydraulic pump, hydraulic control valvetravel
motor,diesel fuel system,gearbox parts, swing gearbox motor parts, electrical parts, engine parts, used
excavator,etc.

Q2:How long is the warranted time?
A:For natural broken,Warranty 3-12 months any quality problem will offer support freely.

Q3:What's the shipping way you can offer?
A:(1) Big order: By sea or by air.(It can reduce the costs).

(2) Small order:DHL,TNT,UPS,FEDEX,EMS,ARAMEX.


Q4:What's the terms of the transaction?
A:EXW,FCA,FAS,FOB, C&F,CIF,CPT,CIP,DAF,DES,DDP.
 
Q5:How about the lead time?
A:(1) ln stock: 1-3 days.Always in 24 hours.
(2) Out of stock: lt's according to your quantity, and we have cooperated with factory,We will let you know when we quote.

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