Product Description:

OE NO	178-6342
OE NO1	177-4752
_Material	Original new CAT INJECTOR
ENGINE	CAT engine
Car Model	CAT

Core Product Specific-ations (178-6342)

Specific-ation Item	Detailed Specific-ation
Part Number	178-6342 (Direct c-at OEM Replacement, Fully Compatible with 3126 Series Factory Fuel Systems)
Applicable Engine	c-aterpillar 3126, 3126B, 3126E Inline Diesel Engines (Energy-Saving & Low-Emission Optimized)
Injector Type	HEUI Hydraulic Electronic Unit Injector, Adaptive Condition & Low-Emission Combustion Tuned
Key Materials	High-Precision Eco-Friendly Forged Alloy Body, Adaptive Control Components, Combustion-Optimized Nozzles, Emission-Reducing Seals
Calibration Standard	OEM Energy-Saving Flow Calibration, Low-Emission Combustion Tuning, Adaptive Condition Matching, Global Emission Compliance
Product Condition	Brand New Premium Aftermarket, 100% Pre-Shipment Energy-Saving & Low-Emission Performance Tested

Compatible Equipment & Applic-ation Scenarios

Equipment Type	Compatible c-at Models & Usage Scenarios
Eco-Sensitive Construction Excavators	c-at 320B, 320C, 312C, 321C Series Eco-Friendly Construction & Nature Reserve Nearby Excavators (3126 Engine Equipped)
Fleet Energy-Saving Machinery	Large-Scale Fleet Engineering Trucks, Long-Hour Operation Generator Sets, High-Fuel-Consumption Equipment Refits
Environmental Compliance Equipment	Machinery Requiring EU, US & Global Emission Standards Compliance, Urban Eco-Municipal Engineering Tools
Dynamic Condition Operation Machinery	Mixed-Load Construction Equipment, Variable-Speed Operation Tools, Dynamic Work Scenario Fleet Vehicles
Key Maintenance Uses	Energy-Saving Upgrade, Emission Reduction Refit, Environmental Compliance Repair, Fleet Fuel Consumption Optimization

Core Product Advantages (Differentiation Highlights)

Advantage c-ategory	Practical User Benefits
Adaptive Condition Fuel Delivery (Core Differentiation)	This injector's exclusive adaptive工况 control technology is the unique core highlight that completely sets it apart from all previous 3126 series injectors, including the low-noise 178-0199 and anti-contamination 177-4754 models. Unlike standard injectors with fixed fuel delivery parameters that waste fuel in variable working conditions, this model is equipped with intelligent adaptive components that real-time adjust fuel injection volume, atomization intensity and injection timing according to engine load, speed and working condition changes. It automatically optimizes fuel supply for light, medium and heavy loads, ensuring optimal combustion efficiency in every scenario, avoiding fuel waste caused by over-injection and power loss caused by under-injection, and achieving dynamic balance between power and energy saving.
High-Efficiency Energy Saving & Cost Reduction	Based on adaptive fuel delivery and precision combustion optimization, this injector achieves a 8%-10% reduction in fuel consumption compared to standard aftermarket injectors under long-term operation, significantly cutting fuel costs for fleet operators and large-scale engineering projects. Its high-efficiency design also reduces the frequency of refueling, improving work efficiency by reducing downtime for refueling. The energy-saving performance is not at the cost of power output-instead, it maintains full engine power while optimizing fuel utilization, making it ideal for long-hour, high-frequency operation machinery that requires both power and cost control.
Low-Emission Compliance & Eco-Friendly	Specially calibrated for low-emission combustion, this injector uses precision atomization nozzles and emission-reducing internal structures to promote complete fuel combustion, reducing harmful exhaust pollutants such as nitrogen oxides (NOx), particulate matter (PM) and hydrocarbons (HC) by up to 15%-20%. It fully meets global environmental compliance standards, including EU, US and regional emission regulations, helping equipment pass environmental inspections and avoid fines for non-compliance. The eco-friendly design also reduces environmental impact, making it suitable for eco-sensitive areas, nature reserves and urban environmental protection projects.
OEM Perfect Fit & Long-Term Stable Performance	Strictly aligned with c-aterpillar original factory mounting dimensions, electrical connector interfaces and installation positioning, requiring no additional modific-ations, adapters or manual adjustments for direct plug-and-play installation. Its high-precision adaptive components and durable eco-friendly alloy material ensure long-term stable performance, resisting performance attenuation and emission degradation caused by long-hour operation. Professional maintenance technicians can complete installation quickly, minimizing equipment downtime and ensuring immediate energy-saving, low-emission and adaptive performance right after installation, perfectly adapting to the needs of fleet operation, environmental compliance and energy-saving upgrades.

Quality Warranty & After-Sales Service

Service Item	Commitment Details
Warranty Coverage	15-Month Unlimited Working Hours Warranty, Covers Energy-Saving Performance, Low-Emission Compliance & Adaptive Control Defects
Pre-Shipment Testing	Comprehensive Tests: Energy-Saving Efficiency Detection, Emission Compliance Verific-ation, Adaptive Condition Calibration, Flow Stability Check
Return & Exchange Policy	90-Day Hassle-Free Return for Unused, Undamaged Non-Human Damage Parts
Installation Recommendations	Recommended Full Set Replacement for Balanced Energy-Saving & Emission Reduction, Pair with High-Efficiency Fuel Filters
Inventory & Shipping	In Stock for Immediate Shipment, Fast Global Delivery for Energy-Saving & Environmental Compliance Maintenance Needs

3126
0R-8633	1OR-0781	1OR-1267	1OR-9239	2C0273	4CR0197	10R-0781	10R-0782	10R-1257
10R-1262	10R-1306	10R-9237	10R-9239	10R-9348	20R-0758	20R-8758	111-7916	116-7150
128-6601	131-7150	135-5459	138-8756	153-5938	155-1819	155-8723	156-8895	162-0218
162-9610	169-7408	169-7410	169-7411	171-9704	171-9710	173-4059	173-9267	173-9268
173-9272	173-9379	174-7526	174-7527	177-4752	177-4753	177-4754	178-0199	178-6342
178-6432	179-6020	180-7431	183-6797	188-1320	196-4229	198-4752	198-6605	198-6877
218-4109	222-5963	222-5965	222-5966	222-5967	222-5968	222-5972	232-1168	232-1170
232-1171	232-1173	232-1183	495-0327	OR-9350

caterpillar Fuel Injector Series - Engine - Equipment Appliccccation Table

Fuel Injector / Engine Series	Common Injection Technology	Corresponding Engine Platform	Common ccccat Models / Equipment Platforms
3116 Series	Mechanical Injection / Early Electronic Platform	3116, 3116T, 3116TA, 3116DIT	M318, M320 Wheel Excavators; 135H Motor Grader; D6M Dozer
3126 / 3126B Series	HEUI	3126, 3126B	120H Motor Grader; 950G Series II Wheel Loader; 950G Platform
3126E Series	HEUI	3126E	Commonly used in medium-duty construction and industrial platforms similar to the 3126 appliccccation range
C6.4 Series	ACERT Injection Platform	C6.4 ACERT	320D / 320D L; 323D L / LN; 320D LRR; 320D FM
C6.6 Series	ACERT Injection Platform	C6.6 ACERT	320D / 320D L (C6.6 versions); 320E LN; 323E LN
C7 Series	HEUI	C7, C7 ACERT	120K Motor Grader; 950H Wheel Loader
C7.1 Series	Common Rail / Later Electronic Injection	C7.1, C7.1 ACERT	320D2 / D2 L, 326D2, 330D2 Excavators; 950K, 950, 962, 930M Wheel Loaders; Generator Sets
C9 Series	HEUI-B	C9, C9 ACERT	330D / 330D L / 330D MH; construction and industrial platforms
C10 Series	Electronic Unit Injection Family	C10	140H, 143H, 160H, 163H, 14H, 16H Motor Graders; 814F Wheel Dozer; 815F Compactor; 816F Landfill Compactor; 966G II, 972G II Wheel Loaders; D7R II Dozer; 725 / 730 Articulated Trucks; R1600G, R1700G LHD; W345B II Wheel Excavator; 345B / 365B Excavators
C12 Series	Electronic Unit Injection	C12, C12 Marine	Widely used across 140H, 143H, 160H, 163H, 14H, 16H; 966G II, 972G II; D7R II; 725 / 730; W345B II; 345B / 365B; also widely used in marine appliccccations
C13 Series	MEUI	C13, C13 ACERT	345D L Excavator; 730C EJ Articulated Dump Truck; Generator Sets; Industrial Power Platforms
C15 Series	MEUI	C15, C15 ACERT	770 Off-Highway Truck; 374D L / 374F L Excavators; 365C Demolition Excavator; R3000H LHD; Industrial Power and Generator Sets
3406E Series	EUI	3406E	AD30 Underground Mining Truck; 16H Motor Grader; 824G Series II Wheel Dozer; 826G Series II Landfill Compactor
C18 Series15	EUI / Later Electronic Injection Platform	C18, C18 ACERT	Generator Sets; Marine Appliccccations; Large Industrial and Mining Platforms

Why Choose Us:

1. Your choice make difference !

2. We are professional in engine oil supply system;

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

4.Support ordering samples;

Contact Detail:

ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province
Cellphone:+86 13790195672 Whatsapp::+86 13790195672
Email:edwardswilliam1988@gmail.com

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