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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
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.
d
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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Distributor/Wholesaler,Trading Company
Year Established:
2008
Total Annual:
10000000¥-100000000¥
Employee Number:
50~150
Ecer Certification:
Verified Supplier
Guangzhou Lanxin Machinery Equipment Co., Ltd., established in 2008, is a professional supplier of excavator parts and mining equipment parts located in Guangzhou, Guangdong Province, China. Focusing on engineering components, and leveraging 18 years of professional experience in the construction ma... Guangzhou Lanxin Machinery Equipment Co., Ltd., established in 2008, is a professional supplier of excavator parts and mining equipment parts located in Guangzhou, Guangdong Province, China. Focusing on engineering components, and leveraging 18 years of professional experience in the construction ma...