7W7038 Pencil Fuel Injector Nozzle For Cat 3304B 3306B Wheeled Excavator

Keywords: 7W7038, Pencil Fuel Injector Nozzle, Cat 7W7038 fuel injector, 3304B injector nozzle, 3306B engine spare parts, diesel pencil injector, wheeled excavator engine parts, construction machinery replacement fuel injector

Product Overview

This pencil fuel injector nozzle Part No.7W7038 is a critical fuel delivery component specially designed for Cater-pillar 3304B, 3306B diesel engines used on wheeled excavators. It realizes high‑quality fuel atomization and accurate injection timing to optimize combustion efficiency, boost engine power output, reduce fuel consumption and exhaust smoke. Our aftermarket replacement pencil injector is strictly manufactured and bench‑calibrated according to OEM specification, delivering stable and durable performance under heavy‑load construction working conditions. It is a reliable aftermarket spare part for engine overhaul and fuel system repair of wheeled excavators.

Detailed Specifications

Key Features & Advantages

• Exact OEM Matching Dimension Precise pencil‑type structure size, direct fit installation without any modification.
• Strict Bench Calibration Each injector is tested for injection volume, spray atomization and opening pressure to meet OEM performance requirement.
• Premium Wear‑Resistant Internal Components Resist abrasion from long‑time high‑pressure diesel impact, extend service life.
• Excellent Atomization Performance Fine fuel mist helps improve engine power, lower fuel burn rate and reduce black smoke emission.
• Reliable For Harsh Working Conditions Stable performance for wheeled excavators working on construction sites and mine sites.

Application Scope

Compatible Equipment List: ‑ Applicable Machine: Cater-pillar WHEELED EXCAVATOR 3304B, 3306B ‑ Widely used for construction machinery, mining equipment, engine rebuild and spare‑parts replacement.

Our Company Advantage

We are professional supplier of full‑range Cater-pillar diesel engine spare parts, supplying pencil fuel injectors, injector nozzles, gaskets, seals and other engine replacement accessories. ‑ Large ready stock for Cat engine spare parts ‑ Factory direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

Packaging & Shipping

‑ Shock‑proof individual inner package to protect nozzle tip and thread against collision damage during transit ‑ Outer reinforced export carton for long‑distance sea and land transportation ‑ Multiple shipping selections: sea freight, air freight, international express for small trial orders ‑ Export documents including Commercial Invoice, Packing List can be provided

Contact Us

If you need more engine spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.