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Cummins Engine Parts

3349860 Genuine STC Fuel Injector For KTA50 QSK50 Engines

STC step timing control fuel injector for Cummins KTA50, KTA38 and K50 engines. Cross-ref 3349860PX, 3076702.

SKU: 3349860
Description Additional information

Injector 3349860 is the STC step timing control fuel injector built by CCEC for Cummins KTA19, KTA38, K50 and KTA50 engines, including genset models such as the KTA50-G8. It is a mechanically controlled hydraulic variable timing injector, weighing roughly 1.2–1.5 kg and measuring about 22 × 9 × 6 cm. Cross-references are 3349860PX and 3076702.

Specifications

Part Number 3349860
Replacement/Cross Part Numbers 3349860PX, 3076702
Product Name STC (Step Timing Control) Fuel Injector
Manufacturer CCEC (Chongqing Cummins Engine Co., Ltd.)
Product Type Mechanically Controlled Hydraulic Variable Timing Injector
Weight Approx. 1.211-1.5kg
Dimensions Approx. 22cm×9cm×6cm
Packaging Cummins original factory packaging or neutral packaging
Warranty Period 6-12 months (varies by supplier)
Compatible Engine Series , KTA50,KTA19, KTA38, K50
Specifically Compatible With Generator set dedicated models such as KTA50-G8
Main Application Scenarios Power generation: Stationary and mobile diesel generator sets (1800RPM) Construction machinery: Large excavators, loaders, bulldozers, cranes Mining equipment: Mining trucks, rock drills, crushers Marine power: Ship main propulsion engines and auxiliary generator sets

Key Features

  • STC (step timing control) fuel injector
  • Mechanically controlled hydraulic variable timing
  • Approximately 1.211–1.5 kg, 22 × 9 × 6 cm
  • Cross-references 3349860PX and 3076702
  • Fits genset models including KTA50-G8

Typical Applications

  • Stationary and mobile diesel generator sets at 1800 rpm
  • Large excavators, loaders, bulldozers and cranes
  • Mining trucks, rock drills and crushers
  • Ship main propulsion and auxiliary generator sets

Ordering from Sino Bus Parts

  • Wholesale pricing; bulk orders welcome
  • Global shipping
  • Fitment confirmed against your engine serial or CPL before dispatch
  • Contact us on WhatsApp for a quotation
Part Number

3349860

Fitment

Cummins KTA50 KTA38 Engines

Product Type

STC Fuel Injector

Material

high-strength alloy steel

Quality Standard

Genuien CCEC

MOQ

Bulk Orders Accepted

Lead Time

3-15 Days Global Shipping

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