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4W‑3798 Construction Engine CAT 3406 Diesel Engine For Heavy Duty Excavator

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4W‑3798 Construction Engine CAT 3406 Diesel Engine For Heavy Duty Excavator

Place of Origin : China

Product Name : Construction Engine

Size : A standard size

Model Number : 3406

Condition : New

Supply Ability : 999

Delivery Time : 7-14 work days

Packaging Details : Wooden Box

Delivery : 7-14 Working Days

Model : 3406

Part Number : 4W‑3798

Brand Name : CAT

Payment : T/T, Western Union, MoneyGram

Application : Excavator Spare Parts

Payment Terms : T/T,D/P,D/A,L/C

Price : $6500 - $8200

MOQ : 1

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Construction Machinery Engine 3406 Diesel Engine 4W‑3798 For CAT

4W‑3798 fuel injector assembly compatible with 3406 series engine, high‑precision aftermarket replacement part for heavy‑duty excavator, truck and mining machinery.

Key Features

OEM equivalent part number: 4W‑3798, direct fit for 3406 series diesel engine
High‑strength alloy material, wear‑resistant internal parts for long‑time heavy‑load use
Stable high‑pressure injection performance, uniform fuel atomization and full combustion
Improve engine power output, reduce fuel consumption and exhaust black smoke
Strict factory testing for injection pressure, flow rate and sealing performance
Standard installation size, plug‑and‑play without modification
Anti‑corrosion and high‑temperature resistant, adapt to harsh mining and construction conditions
Compatible with multiple cross‑reference part numbers and engine models

Product Informatio

Item	Specification
Part Number	4W‑3798
Product Name	Fuel Injector Assembly
Main Compatible Engine	3406 Diesel Engine
Type	Mechanical Diesel Fuel Injector
Material	High‑strength Alloy Steel
Application	Mining Truck, Large Excavator, Bulldozer, Heavy‑Duty Industrial Machinery
Condition	Brand New Aftermarket Replacement

Related products

Category	Replaceable Part Numbers / Compatible Models
General OEM Series	4W‑3798, 4W‑3797, 4W‑3799, 7W‑0120, 9Y‑3774, 111‑3718
Compatible Engine Models	Suitable for 3406, 3406B, 3406C, 3406E, C15, C18, 3306B, 3508, 3512C

Fitment Application

Suitable for heavy‑duty mining trucks, large‑tonnage excavators, bulldozers, wheel loaders and

marine engines equipped with 3406 series diesel engines, widely used in mining sites, large

construction projects and industrial power equipment.

4W‑3798 Construction Engine CAT 3406 Diesel Engine For Heavy Duty Excavator

4W‑3798 Construction Engine CAT 3406 Diesel Engine For Heavy Duty Excavator d

4W‑3798 Construction Engine CAT 3406 Diesel Engine For Heavy Duty Excavator

FAQ

Q1: What is the main part number of this fuel injector?

A1: Main part number is 4W‑3798, interchangeable with 4W‑3797, 4W‑3799 and other cross‑reference numbers.

Q2: Which engine is 4W‑3798 mainly for?

A2: Specially suitable for 3406, 3406B, 3406C, 3406E series heavy‑duty diesel engines.

Q3: What machinery does it apply to?

A3: Widely used for mining trucks, large excavators, bulldozers and other heavy‑duty construction machinery.

Q4: Is this injector fully tested before shipment?

A4: Yes, all products are tested for pressure, flow rate and tightness to meet OEM performance standards.

Q5: Can it be installed directly?

A5: Yes, OEM‑standard size design, direct bolt‑on replacement without adjustment.

Product Tags:

4W‑3798 Construction Engine

Excavator Construction Engine

CAT 3406 Diesel Engine

4W‑3798 Construction Engine CAT 3406 Diesel Engine For Heavy Duty Excavator Images

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