Product Description:

OE NO	198-6605
OE NO1	10R-0782
_Material	Original new CAT INJECTOR
ENGINE	CAT engine
Car Model	CAT

Core Product Specific-ations (198-6605)

Specific-ation Item	Detailed Specific-ation
Part Number	198-6605 (Direct c-at OEM Replacement, Fully Compatible with 3126 Series Factory Fuel Systems)
Applicable Engine	c-aterpillar 3126, 3126B, 3126E Inline Diesel Engines (Low Noise & Low Vibration Optimized)
Injector Type	HEUI Hydraulic Electronic Unit Injector, Low-Noise & Low-Vibration Tuned
Key Materials	High-Precision Damping Forged Alloy Body, Noise-Dampening Internal Structures, Vibration-Absorbing Components, Precision Calibrated Nozzles
Calibration Standard	OEM Low-Noise Flow Calibration, Vibration Reduction Tuning, Smooth Injection Matching, Quiet Operation Verific-ation
Product Condition	Brand New Premium Aftermarket, 100% Pre-Shipment Noise Testing & Vibration Reduction Performance Tested

Compatible Equipment & Applic-ation Scenarios

Equipment Type	Compatible c-at Models & Usage Scenarios
Urban Construction Excavators	c-at 320B, 320C, 312C, 321C Series Excavators (3126 Engine Equipped) – Suitable for Residential Nearby, Urban Municipal Construction
Long-Hour Operation Fleet	Large-Scale Engineering Trucks, Continuous Operation Generator Sets (3126 Engine) – Reduces Operator Fatigue from Noise & Vibration
Noise-Sensitive Equipment	Residential Area Maintenance Machinery, Indoor Industrial Equipment, Noise-Restricted Construction Tools
Key Maintenance Uses	Noise Reduction Upgrade, Vibration Damage Repair, Urban Operation Adaptation, Operator Comfort Improvement

Core Product Advantages (Differentiation Highlights)

Advantage c-ategory	Practical User Benefits
Low Noise Operation (Core Differentiation)	This injector's exclusive noise-dampening internal structure and precision-tuned injection logic set it apart from previous 3126 series injectors (198-4752 anti-corrosion, 196-4229 low-power, etc.). It reduces injection noise by 25%-30% compared to ordinary aftermarket injectors, effectively reducing operational noise to meet urban noise control standards, avoiding noise pollution complaints and improving work environment comfort for operators.
Low Vibration & Component Protection	Equipped with vibration-absorbing components and damping alloy body, it reduces operational vibration by 20%-25%, minimizing wear on engine cylinders, valves, and other components caused by high-frequency vibration. This extends the overall service life of the engine and reduces long-term maintenance costs.
Smooth Injection & Stable Performance	Precision-calibrated nozzles ensure uniform fuel atomization and stable injection pressure, avoiding power fluctuation caused by uneven injection. It maintains smooth engine operation even in long-hour continuous work, reducing operator fatigue and improving work efficiency.
OEM Perfect Fit & Easy Installation	Strictly aligned with c-at 3126 series OEM dimensional standards, no modific-ations or adapters are needed for direct plug-and-play installation. Professional maintenance technicians can complete installation quickly, minimizing equipment downtime and ensuring immediate quiet, stable performance.

Quality Warranty & After-Sales Service

Service Item	Commitment Details
Warranty Coverage	15-Month Unlimited Working Hours Warranty, Covers Noise Reduction, Vibration Reduction & Smooth Performance Defects
Pre-Shipment Testing	Comprehensive Tests: Noise Level Detection, Vibration Reduction Verific-ation, Injection Stability Check, Dimensional Accuracy Calibration
Return & Exchange Policy	90-Day Hassle-Free Return for Unused, Undamaged Non-Human Damage Parts
Inventory & Shipping	In Stock for Immediate Shipment, Fast Global Delivery for Noise Reduction & Vibration Reduction 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.Strong support from professional sales/engineer/technican team,shipment and after-service department.

2. Used and new genuine parts, China OEM parts available.

3. 3-12 months warrantry,depends on what parts.

4.Time is Gold -You will receive all goods exactly on time .

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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