198-6605 Ca-terpillar Diesel Fuel Injector
Product Details
| Part Number: | 198-6605 | Product Type: | Diesel Fuel Injector |
|---|---|---|---|
| Compatible Engine: | Ca-terpillar 3126, 3126B And 3126E Diesel Engines | Application: | Truck, Marine, Industrial & Machinery |
| Supply Option: | Brand New Or Remanufactured | Warranty Period: | 12 Months |
| Highlight |
Caterpillar diesel fuel injector,Caterpillar fuel injection system,198-6605 fuel injector |
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Product Description
198-6605 HEUI Fuel Injector for Ca-terpillar 3126B, 3126E and Selected C7 Marine Diesel Engines
198-6605 Fuel Injector is a hydraulic electronic unit injector (HEUI) designed for selected Ca-terpillar 3126B, 3126E and C7 marine diesel engine applications. It uses high-pressure engine oil and electronic control to accurately pressurize, meter and inject fuel, supporting stable combustion, efficient fuel use and reliable engine performance.
It is suitable for selected medium-duty commercial trucks, marine equipment and industrial applications powered by compatible 3126B, 3126E and C7 marine diesel engines. Please verify the original part number, engine serial number, arrangement number and equipment model before ordering.
198-6605 HEUI Fuel Injector is designed as a direct-fit replacement for the correct engine configuration. Its commonly associated Cat Reman reference is 10R-0781, with 197-7107, 199-6065, 222-5966 and EX630781 frequently listed as replacement or cross-reference numbers. Professional installation and any required injector setup or ECM calibration should follow the applicable engine service manual.
Manufactured with wear-resistant precision components and a reliable sealing structure, this injector withstands continuous vibration and demanding working conditions. It helps address hard starting, unstable idle, power loss, excessive fuel consumption and black smoke.
Every Fuel Injector we supply undergoes professional bench testing. Injection quantity, spray pattern, sealing performance and operating stability are inspected to ensure reliable fuel delivery and consistent engine performance.
Q1: What is the 198-6605 Fuel Injector?
A: The 198-6605 is a HEUI hydraulic electronic unit injector designed for selected Ca-terpillar 3126B, 3126E and C7 marine diesel engines.
Q2: What equipment uses 198-6605?
A: It is suitable for selected medium-duty commercial trucks, marine equipment and industrial applications powered by compatible Ca-terpillar 3126B, 3126E and C7 marine diesel engines.
Q3: What are the cross-references for 198-6605?
A: Its commonly associated Cat Reman reference is 10R-0781, with 197-7107, 199-6065, 222-5966 and EX630781 listed as replacement or cross-reference numbers. Compatibility must be confirmed using the original injector number, engine serial number and arrangement number.
Q4: Does 198-6605 require electronic programming?
A: Electronic programming is not always required. However, the ECM injector calibration settings should be checked, and installation must follow the applicable engine service manual.
Q5: Is the injector tested before shipment?
A: Yes. Each injector is professionally bench-tested for fuel delivery, injection response, sealing performance and operating stability before shipment.
Q6: Is 198-6605 available new or remanufactured?
A: We can supply new aftermarket and remanufactured replacement options, subject to compatibility confirmation and stock availability. All supplied injectors include a 12-month warranty.
Ca-terpillar Mechanical Fuel Injector Application Table
| Serial No. | Ca-terpillar OE Part Number | Cross-Reference Numbers | Compatible Engine | Compatible Vehicles & Equipment | Injector Type | Injection System | Unit Weight | Production Year Range | Connector Type | Quality Options | Installation Note |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 178-6342 | 10R-1257, 177-4752 | 3126B, 3126E | D5N/D6N tractors; 561N pipelayer; IT38G II; 953C/963C; 120H/135H; 938G II | HEUI unit injector | Hydraulic electronic unit injection | Approx. 1.30 kg | Verify by ESN | HEUI electrical connector; verify plug | New aftermarket / Remanufactured | Verify OE number, ESN and arrangement number; replace seals and check ECM calibration |
| 2 | 188-1320 | 0R-9348, 145-9360, 155-1819, 157-3727, 173-1012, 173-4566, 173-9379, 222-5965, EX639348 | 3126B, 3126E | Selected commercial trucks and industrial equipment | HEUI unit injector | Hydraulic electronic unit injection | Approx. 1.30 kg | Verify by ESN | HEUI electrical connector; verify plug | New aftermarket / Remanufactured | Verify OE number, ESN and arrangement number; replace seals and check ECM calibration |
| 3 | 196-1401 | 0R-9349, 10R-9238, 126-0499, 131-7150, 173-4059, 173-9267, 173-9268, 222-5967, EX639349 | 3126, 3126B, 3126E | Selected commercial trucks, excavators and industrial equipment | HEUI unit injector | Hydraulic electronic unit injection | Approx. 1.30 kg | Verify by ESN | HEUI electrical connector; verify plug | New aftermarket / Remanufactured | Verify OE number, ESN and arrangement number; replace seals and check ECM calibration |
| 4 | 196-4229 | 0R-9350, 10R-9239, 141-7837, 169-7410, 173-1013, 173-9272, 222-5972, EX639350 | 3126, 3126B, 3126E | Selected commercial trucks, excavators and industrial equipment | HEUI unit injector | Hydraulic electronic unit injection | Approx. 1.30 kg | Verify by ESN | HEUI electrical connector; verify plug | New aftermarket / Remanufactured | Verify OE number, ESN and arrangement number; replace seals and check ECM calibration |
| 5 | 197-7107 | 10R-0781, 198-6605, 199-6065, 222-5966, EX630781 | 3126, 3126B, 3126E | Selected commercial trucks, excavators and industrial equipment | HEUI unit injector | Hydraulic electronic unit injection | Approx. 1.30 kg | Verify by ESN | HEUI electrical connector; verify plug | New aftermarket / Remanufactured | Verify OE number, ESN and arrangement number; replace seals and check ECM calibration |
| 6 | 198-6605 | 10R-0781, 197-7107, 199-6065, 222-5966, EX630781 | 3126B, 3126E; selected C7 marine engines | Selected commercial trucks, marine engines and industrial equipment | HEUI unit injector | Hydraulic electronic unit injection | Approx. 1.30 kg | Verify by ESN | HEUI electrical connector; verify plug | New aftermarket / Remanufactured | Verify OE number, ESN and arrangement number; replace seals and check ECM calibration |
| 7 | 199-6065 | 10R-0781, 197-7107, 198-6605, 222-5966, EX630781 | 3126, 3126B, 3126E | Selected commercial trucks, excavators and industrial equipment | HEUI unit injector | Hydraulic electronic unit injection | Approx. 1.30 kg | Verify by ESN | HEUI electrical connector; verify plug | New aftermarket / Remanufactured | Verify OE number, ESN and arrangement number; replace seals and check ECM calibration |
| 8 | 203-3771 | 10R-1262, 204-6714, 222-5963, EX631262 | 3126, 3126B, 3126E | 322C/325C excavators; M325C MH; 950G II/962G II; 570B/580B; selected trucks and industrial equipment | HEUI unit injector | Hydraulic electronic unit injection | Approx. 1.30 kg | Verify by ESN | HEUI electrical connector; verify plug | New aftermarket / Remanufactured | Verify OE number, ESN and arrangement number; replace seals and check ECM calibration |
| 9 | 204-6714 | 10R-1262, 203-3771, 222-5963, EX631262 | 3126, 3126B, 3126E | 322C/325C excavators; M325C MH; 950G II/962G II; 570B/580B; selected trucks and industrial equipment | HEUI unit injector | Hydraulic electronic unit injection | Approx. 1.30 kg | Verify by ESN | HEUI electrical connector; verify plug | New aftermarket / Remanufactured | Verify OE number, ESN and arrangement number; replace seals and check ECM calibration |
| 10 | 205-1285 | 10R-0782, 10R-9237, 177-4754, 178-0198, 178-0199, EX630782 | 3126B, 3126E | 322C/325C excavators; M325C MH; IT62G II; 950G II/962G II; 570B/580B; SPP101; selected trucks | HEUI unit injector | Hydraulic electronic unit injection | Approx. 1.30 kg | Verify by ESN | HEUI electrical connector; verify plug | New aftermarket / Remanufactured | Verify OE number, ESN and arrangement number; replace seals and check ECM calibration |
Product Highlights
198-6605 HEUI Fuel Injector for Ca-terpillar 3126B, 3126E and Selected C7 Marine Diesel Engines 198-6605 Fuel Injector is a hydraulic electronic unit injector (HEUI) designed for selected Ca-terpillar 3126B, 3126E and C7 marine diesel engine applications. It uses high-pressure engine oil and ...
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