OTTO-Hydraulic Parts
105-7573-OTTO
105-7573-OTTO
105-7573-OTTO
105-7573-OTTO
105-7573-OTTO

OTTO 105-7573 Fuel Transfer Pump for Caterpillar CAT 320B 322B 325B Excavator 3116 3126 Engine Feed Pump Part

Maximize your excavator’s fuel delivery efficiency with the OTTO Fuel Transfer Pump (P/N: 105-7573), a premium aftermarket replacement designed for heavy-duty durability and precise OEM-style fitment. This high-quality engine feed pump restores consistent and reliable fuel flow to your CAT heavy equipment, offering a cost-effective alternative to genuine OEM fuel system parts.







  • Order(MOQ)::

    1pc
  • Goods Stock::

    100
  • Payment::

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

    CAT
  • Shipping Port::

    Huangpu, Guangzhou
  • Lead Time::

    In Stock
  • Part No: :

    105-7573
  • Model::

    3116
  • Application::

    EXCAVATOR

OTTO 105-7573 Fuel Transfer Pump for Caterpillar CAT 320B 322B 325B Excavator 3116 3126 Engine Feed Pump Part



The OTTO 105-7573 Fuel Transfer Pump is a dedicated aftermarket engine feed pump built exclusively for Caterpillar excavators. As a critical fuel system component, it ensures steady fuel supply from the fuel tank to the engine, supporting smooth startup and consistent operation of CAT 3116 and 3126 engines. Engineered to meet strict industrial quality standards, this fuel transfer pump guarantees stable fuel delivery, reliable long-term performance, and rugged durability, making it a key part for maintaining maximum productivity of your CAT excavator.



Technical Specifications


Item
Details
Product Name
Fuel Transfer Pump (Engine Feed Pump)
Part Number
OTTO 105-7573
Cross Reference
CAT OEM 105-7573 Equivalent Replacement
Compatible Brand
Caterpillar (CAT)
Machine Type
Hydraulic Excavator
Compatible Engine
CAT 3116, 3126 Diesel Engine
Pump Type
Mechanical Fuel Transfer Feed Pump
Material
High-Strength Cast Iron & Wear-Resistant Alloy
Condition
Premium Aftermarket Replacement


Key Product Advantages




OEM-Grade Perfect Fitment: Engineered to exact CAT factory specifications for 3116 and 3126 engines, ensuring true drop-in installation. The mounting holes, inlet/outlet ports, and connection size align perfectly with the original equipment, eliminating any modifications or adjustments during replacement.
Stable & Efficient Fuel Delivery: Built with precision-machined internal components to maintain consistent fuel pressure and smooth flow rate, preventing fuel starvation or uneven delivery. This reliable performance restores normal engine startup, acceleration, and full power output for CAT B-series excavators.
Rugged Durability for Harsh Jobsites: Constructed with high-strength cast iron and corrosion-resistant internal parts to withstand extreme operating temperatures, fuel contamination, and heavy vibration common on construction sites. This heavy-duty design reduces wear and tear, prevents fuel leaks, and extends the pump’s service life in tough working conditions.

105-7573


Applications


This OTTO 105-7573 fuel transfer pump is specifically designed for Caterpillar B-series hydraulic excavators, which are widely used for construction excavation, earthmoving, trenching, and heavy-duty material handling tasks.
Compatible Models:
  • CAT Excavator Series: 320B, 322B, 325B
  • Compatible Engine Models: 3116 Diesel Engine, 3126 Diesel Engine

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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