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Home > Products > Caterpillar Fuel Injector > 104-3377 0R-8786 138-8756 126-0499 2225966 10R0781 222-5966 20R-0759 173-4059 Fuel Injector Suitable for CAT 3126B 3126E Engine

104-3377 0R-8786 138-8756 126-0499 2225966 10R0781 222-5966 20R-0759 173-4059 Fuel Injector Suitable for CAT 3126B 3126E Engine

Name: 104-3377 0R-8786 138-8756 126-0499 2225966 10R0781 222-5966 20R-0759 173-4059 Fuel Injector Suitable for CAT 3126B 3126E Engine
Brand: HK REAL STRENGTH TRADE LIMITED
SKU: 138-8756
Availability: InStock

Product Details

Place of Origin: USA

Brand Name: Caterpillar

Certification: ISO +86 13434566685

Model Number: 138-8756

Payment & Shipping Terms

Minimum Order Quantity: 1 PCS

Packaging Details: original packing

Payment Terms: T/T, Western Union,

Supply Ability: 10000

Get Best Price

Product Details

Product Description

Product Details

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                                                CAT 3126B fuel injector, Caterpillar 3126E engine injector, OEM replacement fuel injector
                              

Contact:	+86 13434566685	Part Number:	138-8756
Other No:	173-4059	Product Name:	CAT INJECTOR
Warranty:	12 Months	Packing:	Original Package
Stock:	In Stock	Size:	Original Size
MOQ:	1 PC	Delivery Time:	3-7 Work Days
Car:	Caterpillar C7.1 Engine

Contact:	+86 13434566685
Part Number:	138-8756
Other No:	173-4059
Product Name:	CAT INJECTOR
Warranty:	12 Months
Packing:	Original Package
Stock:	In Stock
Size:	Original Size
MOQ:	1 PC
Delivery Time:	3-7 Work Days
Car:	Caterpillar C7.1 Engine

Product Description

104-3377 0R-8786 138-8756 126-0499 2225966 10R0781 222-5966 20R-0759 173-4059 Fuel Injector Suitable for CAT 3126B 3126E Engine

Detailed Product Datasheet:

Parts Number	138-8756
Part Name	173-4059
Payment	L/C , T/T
Packing	Original / Netural

1.Sample order is accepted.

2.70% of our popular selling products are in stock, which make sure quickly delivery. Normally, orders can be send out within 5 working days.

3.The product has undergone a rigorous testing process, and we provide high-quality products;

4.We are professional in engine oil supply system;

The c-aterpillar 138-8756 is a heavy-duty sealed HEUI (Hydraulic Electronic Unit Injector) engineered exclusively for c-aterpillar 3126, 3126B and 3126E diesel engines, focusing on solving the common pain points of fuel leakage, premature wear and inconsistent performance in mid-to-high hour construction and industrial machinery, serving as a premium direct OEM replacement that prioritizes long-term durability and zero-fault operation. Unlike previous 3126 series injectors that focus on cold start, fuel saving or high-load power alone, this model is optimized for 360° full-sealing design and balanced all-working-condition performance, with upgraded corrosion-resistant internal valves and precision-ground nozzles to eliminate fuel seepage, carbon clogging and power fluctuation issues that plague aging equipment. Crafted from high-strength wear-resistant materials and passing strict factory-level calibration and leakage tests, it maintains stable fuel delivery and atomization in dusty construction sites, variable fuel quality environments and long-hour continuous operation, with 1:1 OEM dimensional matching for hassle-free,

Core Product Specific-ations (138-8756)

Specific-ation Item	Detailed Specific-ation
Part Number	138-8756 (Direct c-at OEM Replacement, Fully Compatible with 3126 Series Original Fuel Systems)
Applicable Engine	c-aterpillar 3126, 3126B, 3126E Inline Diesel Engines (Mid-High Hour & Heavy-Duty Versions)
Injector Type	HEUI Hydraulic Electronic Unit Injector, Full-Sealing & Long-Life Optimized
Key Materials	High-Strength Forged Steel Body, Precision Ground Wear-Resistant Nozzle, Multi-Layer Sealing Rings, Corrosion-Proof Internal Components
Calibration Standard	OEM Full-Range Dynamic Calibration, Leak-Proof Pressure Tuning, Full Speed Fuel Flow Matching
Product Condition	Brand New Premium Aftermarket, 100% Pre-Shipment Leakage & Performance Tested

Compatible Equipment & Applic-ation Scenarios

Equipment Type	Compatible c-at Models
Excavators	c-at 320B, 320C, 321C, 322C, 312C Series Excavators (3126 Engine Equipped)
Heavy-Duty Haulers	c-at-Powered Construction Trucks, Freight Haulers, Municipal Utility Vehicles
Industrial Machinery	Fixed Generator Sets, Mobile Pump Units, Construction Compressors, Industrial Power Units
Off-Road Equipment	Quarry Auxiliary Machines, Small Mining Loaders, Long-Hour Outdoor Work Vehicles
Maintenance Uses	Fuel Leakage Fault Repair, Engine Overhaul, Long-Life Replacement, Routine Fuel System Maintenance

Detailed Product Picture:

104-3377 0R-8786 138-8756 126-0499 2225966 10R0781 222-5966 20R-0759 173-4059 Fuel Injector Suitable for CAT 3126B 3126E Engine 0

mpany Information:

104-3377 0R-8786 138-8756 126-0499 2225966 10R0781 222-5966 20R-0759 173-4059 Fuel Injector Suitable for CAT 3126B 3126E Engine 3

104-3377 0R-8786 138-8756 126-0499 2225966 10R0781 222-5966 20R-0759 173-4059 Fuel Injector Suitable for CAT 3126B 3126E Engine 4

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104-3377 0R-8786 138-8756 126-0499 2225966 10R0781 222-5966 20R-0759 173-4059 Fuel Injector Suitable for CAT 3126B 3126E Engine

CAT 3126B fuel injector

Caterpillar 3126E engine injector

OEM replacement fuel injector

104-3377 0R-8786 138-8756 126-0499 2225966 10R0781 222-5966 20R-0759 173-4059 Fuel Injector Suitable for CAT 3126B 3126E Engine

173-4059

Core Product Specific-ations (138-8756)

Compatible Equipment & Applic-ation Scenarios

Diesel Injector Assembly,

Common Rail Fuel Injection,

Cummins Diesel Injector

BOSCH Diesel Injector

DENSO Diesel Injector

Caterpillar Fuel Injector

VOLVO Diesel Injector

DELPHI Fuel injector

Diesel Engine Fuel Pump

TOYOTA Fuel Injector

Perkins Diesel Injector

Diesel Fuel Injector

Diesel Injector Nozzle

Injector Control Valve

Injector Repair Kit