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TG-A0021724 1PCS Fuel Injector 4940170 for Cummins ISL QSL QSC Engines | Komatsu PC300 PC350-8 Excavator Replacement

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PRODUCT DETAILS

TG-A0021724 1PCS Fuel Injector 4940170 for Cummins ISL QSL QSC Engines | Komatsu PC300 PC350-8 Excavator Replacement

Product Description

The TG-A0021724 1PCS Fuel Injector is a precision-engineered replacement designed for compatible Cummins ISL, QSL, QSC, and ISBE diesel engine systems.

Designed for demanding excavator and heavy-duty applications, this injector features a 7-hole ultra-fine spray pattern and factory-set 300–320 bar opening pressure to support accurate fuel delivery and efficient fuel atomization. The hardened construction and high-temperature sealing components are designed for reliable operation under demanding working conditions.

The injector is compatible with Cummins engine systems including ISBE4 CM850, ISL CM850, QSL9 CM850/CM2850, QSC8.3, and QSL8.9, with applications including Komatsu PC300HD-8, PC300LC-8, PC350HD-8, and PC350LC-8 excavators.

The package includes one fuel injector, one copper crush washer, and installation guidelines.

Please verify the original part number and equipment model before ordering to ensure proper compatibility.

Product Specifications

Property	Value
Product Model	TG-A0021724
Product Name	Diesel Fuel Injector
Quantity	1PCS
Main Part Number	4940170
Cross Reference Numbers	4940170NX / 4940170RX
Compatible Brand	Cummins
Compatible Engines	ISBE4 / ISL / QSL9 / QSC8.3 / QSL8.9
Fuel Type	Diesel
Pressure Rating	300–320 bar (4350–4640 psi)
Nozzle Type	7-Hole Ultra-Fine Spray
Seal Material	Viton® High-Temperature O-Rings
Body Material	Chromium-Plated Alloy Steel
Plunger Material	Ceramic
Connector Type	USCAR 2-Pin Waterproof
Product Type	Common Rail Diesel Fuel Injector
Condition	Brand New
Replacement Type	Direct Replacement
Application	Excavator / Heavy-Duty Construction Equipment
Package Contents	1 × Fuel Injector + 1 × Copper Crush Washer + Installation Guidelines
Product Weight	0.6 kg

OEM / Cross Reference Numbers

Brand / Category	Part Number
Cummins	4940170 / 4940170NX / 4940170RX

Compatible Engines

Engine Brand	Compatible Engine Model
Cummins	ISBE4
Cummins	ISBE4 CM850
Cummins	ISL
Cummins	ISL CM850
Cummins	QSL9
Cummins	QSL9 CM850 / CM2850
Cummins	QSC8.3
Cummins	QSL8.9

Compatible Applications

Equipment Type	Compatible Models / Applications
Komatsu Excavator	PC300HD-8
Komatsu Excavator	PC300LC-8
Komatsu Excavator	PC350HD-8
Komatsu Excavator	PC350LC-8
Heavy-Duty Construction Equipment	Compatible Komatsu equipment powered by listed Cummins engines

Packing / Weight / Package Information

Property	Details
Package Quantity	1PCS
Net Weight	0.6 kg
Gross Weight	To Be Confirmed
Carton Size	To Be Confirmed
Package Volume	To Be Confirmed
Package Contents	1 × Fuel Injector / 1 × Copper Crush Washer / Installation Guidelines
Packing Method	Protective Packaging + Carton

PRODUCT HIGHLIGHTS

Product Highlights

Precision Fuel Delivery	Heavy-Duty Construction	Complete Installation Package
7-hole ultra-fine spray pattern supports accurate fuel atomization and efficient combustion	Chromium-plated alloy steel body with hardened components for demanding applications	Includes injector, copper crush washer, and installation guidelines
Factory-set 300–320 bar opening pressure	Viton® high-temperature O-rings and waterproof USCAR 2-pin connector	Designed for compatible Komatsu PC300 and PC350-8 excavators

SHIPPING

Item Details

Processing Time Orders are processed within 1-3 business days after payment confirmation

Shipping Methods DHL/UPS/ FedEx/ TNT/ Air Freight/ Sea Freight

Estimated Delivery Time Express shipping: 3-7 business days, depending on destination

Packaging Export-standard cartons with protective inner packing

Tracking Tracking number will be provided once the order is shipped

Shipping Cost Calculated based on weight, dimensions, and destination

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WARRANTY POLICY

All new aftermarket parts come with a 1-Year warranty. Quality is the first thing we consider. Check out our Warranty Assistance for more details.

SHIPPING POLICY

We offer express and standard shipping options to ensure your off-road machine gets back in action—fast and reliably. For more details, please visit our Shipping Policy .

EASY RETURN POLICY

We prioritize your satisfaction. If your order doesn't meet your expectations within 90 days, you may be eligible for a refund. See our Easy Return Policy for details.

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