3087587 Injector For Cummins KTA19 K19 QSK19 Engines

PT-STC variable timing fuel injector for Cummins K19, KTA19 and QSK19 engines. 375–540 HP, approx. 0.90 kg.

SKU: 3087587

Description Additional information

Injector 3087587 is the PT-STC variable timing fuel injector for Cummins K19, KTA19 and QSK19 engines in STC configuration, covering 375–540 HP. The main body is heat-treated alloy steel with a high-hardness forged steel nozzle and plunger, sealed by FKM and nitrile O-rings in an anti-corrosion formula. Net weight is about 0.90 kg and the working ambient range is -30°C to +150°C.

Specifications

Part No.	3087587
Type	PT-STC Variable Timing Fuel Injector
Compatible Engines	Cummins K19 / KTA19 / QSK19 (STC-configured engines)
Power Range	375–540 HP
Main Body	Heat-treated alloy steel
Nozzle & Plunger	High-hardness precision forged steel
Sealing Components	FKM / Nitrile O-rings with enhanced anti-corrosion formula
Internal Structure	Integrated STC timing piston assembly
Fuel System	PT Fuel System
Net Weight	Approx. 0.90 kg
Operating Ambient Temperature	-30℃ ~ +150℃
Design Purpose	Designed for prolonged continuous high-load operation, optimized for humid and corrosive marine environments

Key Features

PT-STC variable timing fuel injector
Integrated STC timing piston assembly
Covers the 375–540 HP output range
Heat-treated alloy steel body, forged steel nozzle and plunger
FKM and nitrile O-rings with anti-corrosion formula
Approximately 0.90 kg; ambient range -30°C to +150°C

Typical Applications

Marine engines in humid and corrosive environments
Generator sets under prolonged high load
Mining and construction machinery

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	3087587
Fitment	Cummins KTA19 K19 QSK19 Engines
Product Type	STC Fuel Injector
Material	high-strength alloy steel
Quality Standard	Genuine Cummins Quality(CCEC)
MOQ	Bulk Orders Accepted
Lead Time	3-15 Days Global Shipping

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