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TG-A0021725 1PC Fuel Injector 4261177 for Cummins ISB QSB 6.7L QSB4.5 QSB5.9-G7 Engines | Common Rail Replacement

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ITEMNO： TGA0021725

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PRODUCT DETAILS

TG-A0021725 1PC Fuel Injector 4261177 for Cummins ISB QSB 6.7L QSB4.5 QSB5.9-G7 Engines | Common Rail Replacement

Product Description

The TG-A0021725 1PC Fuel Injector is a high-quality direct replacement for Cummins part number 4261177, designed for compatible Cummins ISB 6.7L, QSB 6.7L, QSB4.5, and QSB5.9-G7 diesel engines.

Engineered for Common Rail fuel injection systems, this injector is designed to provide precise fuel delivery and fine fuel atomization for stable combustion and reliable engine operation. The injector features a 7-hole ultra-fine spray nozzle with 0.12 mm orifices, supporting consistent fuel injection performance.

The injector uses a chromium-plated alloy steel body, hardened steel nozzle construction, and a diamond-coated plunger for durability. Viton® high-temperature O-rings provide sealing performance across a temperature range of -40°C to 250°C. The waterproof USCAR 2-pin connector supports reliable electrical connection in demanding applications.

This injector is suitable for construction machinery, agricultural tractors, and power generation equipment using compatible Cummins engines.

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

Product Specifications

Property	Value
Product Model	TG-A0021725
Product Name	Fuel Injector
Main Part Number	4261177
Quantity	1PC
Engine Brand	Cummins
Compatible Engines	ISB 6.7L / QSB 6.7L / QSB4.5 / QSB5.9-G7
Injection System	Common Rail
Pressure Rating	300–320 bar / 4,350–4,640 psi
Nozzle Type	7-Hole Ultra-Fine Spray
Nozzle Orifice	0.12 mm
Body Material	Chromium-Plated Alloy Steel
Plunger	Diamond-Coated
Seal Material	Viton® High-Temperature O-Rings
Seal Temperature Range	-40°C to 250°C
Connector	USCAR 2-Pin Waterproof
Condition	New Replacement
Replacement Type	Direct Replacement
Application	Construction / Agricultural / Power Generation Equipment
Net Weight	1.2 kg

OEM / Cross Reference Numbers

Brand / Category	Part Number
Cummins	4261177

Compatible Engines

Engine Brand	Compatible Engine Models
Cummins	ISB 6.7L (2013+)
Cummins	QSB 6.7L (CM2350 / CM2450)
Cummins	QSB4.5 (Tier 4 Final)
Cummins	QSB5.9-G7 (Industrial / Agricultural)

Compatible Applications

Machine / Application	Compatible Equipment
Construction Machinery	Equipment powered by compatible Cummins ISB / QSB engines
Agricultural Equipment	Tractors and machinery using compatible Cummins engines
Power Generation	Generator and power generation units using compatible Cummins engines

Packing / Weight / Package Information

Property	Value
Product Quantity	1PC
Net Weight	1.2 kg
Gross Weight	To Be Confirmed
Carton Size	To Be Confirmed
Package Volume	To Be Confirmed
Package Contents	1 × Fuel Injector 4261177 / 1 × Copper Crush Washer / 1 × Installation Guide
Packing Method	Protective Packaging + Carton

PRODUCT HIGHLIGHTS

Product Highlights

Direct OEM Replacement	Precision Common Rail Injection	Heavy-Duty Construction
Direct replacement for Cummins 4261177	7-hole 0.12 mm ultra-fine spray nozzle supports precise fuel atomization	Chromium-plated alloy steel body with hardened steel nozzle and diamond-coated plunger
Designed for compatible ISB and QSB engine applications	300–320 bar injection pressure rating	Viton® high-temperature seals and waterproof USCAR 2-pin connector

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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