Injector Assembly 386-1769 20R-1278 for Excavator Mining Truck Construction Machinery Diesel Engine Aftermarket Replacement
| Product Namber: | CAT INJECTOR | OE NO: | 386-1769 |
| OE NO1: | 20R-1278 | Engine: | CAT 3116 Engine |
| Car Model: | CAT | Warranty: | 12 Months |
| Quality: | Brand New Genuine | SIZE: | Origional Standard |
| Type: | Diesel Auto Parts | Application: | Fuel Injection System |
| Material: | High Speed Steel | PAYMENT TEF: | Full Advance Payment |
| packing: | Original And Neutral Packing | MOQ: | 1РСS |
Caterpillar 386-1769 Fuel Injector for CAT 3512B Engines
Product Overview
The Caterpillar 386-1769 Fuel Injector is a precision-engineered diesel fuel injection component designed for heavy-duty Caterpillar engines operating in power generation, marine propulsion, mining, oil & gas, and industrial applications. Manufactured to strict industrial standards, the injector delivers precise fuel metering, optimized atomization, improved combustion efficiency, reduced emissions, and reliable engine performance under demanding operating conditions.
As a critical component of the Caterpillar Electronic Unit Injection (EUI) system, the 386-1769 injector ensures accurate fuel delivery timing and pressure, maximizing engine output while minimizing fuel consumption.
The Caterpillar 386-1769 injector is widely used in CAT 3512B series engines and is recognized globally by maintenance providers, engine rebuilders, OEM distributors, and industrial fleet operators.
Product Information Table
| Item | Description |
| Product Name | Fuel Injector Assembly |
| Part Number | 386-1769 |
| Brand | Caterpillar / CAT |
| Product Type | Electronic Unit Injector (EUI) |
| Engine Type | Heavy Duty Diesel Engine |
| Fuel Type | Diesel |
| Application | Industrial, Marine, Mining, Generator Sets |
| Condition | New / OEM Equivalent / Remanufactured Optional |
| Quality Standard | ISO 9001 Certified Manufacturing |
| Injection System | Electronic Unit Injection |
| Installation Position | Cylinder Head |
| Engine Series | CAT 3500 Series |
| Main Engine Models | CAT 3512B, CAT 3516B |
| Market | Global Aftermarket & OEM Replacement |
| Warranty | 12 Months Standard |
| Availability | In Stock |
| 3512B | ||||||||
| 0R-3539 | 0R-8619 | 0R-9944 | 10R-1275 | 10R-1276 | 10R-1278 | 10R-1279 | 10R-1280 | 10R-1288 |
| 10R-1290 | 10R-1303 | 10R-2826 | 10R-2827 | 10R-3255 | 10R-7238 | 10R-8795 | 10R-9617 | 11R-0282 |
| 11R-0283 | 11R-0680 | 150-4453 | 162-8809 | 162-8813 | 192-2817 | 204-2067 | 20R-0848 | 20R-0849 |
| 20R-0850 | 20R-1262 | 20R-1264 | 20R-1265 | 20R-1266 | 20R-1267 | 20R-1268 | 20R-1269 | 20R-1270 |
| 20R-1272 | 20R-1275 | 20R-1276 | 20R-1277 | 20R-1278 | 20R-1280 | 20R-1283 | 20R-2296 | 20R-3247 |
| 20R-3477 | 20R-3483 | 20R3483 | 211-3024 | 229-1631 | 230-3255 | 230-9457 | 245-8272 | 246-1854 |
| 249-0746 | 250-1302 | 250-1303 | 250-1304 | 250-1306 | 250-1308 | 250-1311 | 250-1312 | 250-1313 |
| 250-1314 | 266-4387 | 2OR-1276 | 359-5469 | 373-4087 | 375-4106 | 376-0509 | 379-0509 | 386-1752 |
| 386-1753 | 386-1754 | 386-1758 | 386-1760 | 386-1766 | 386-1767 | 386-1768 | 386-1769 | 386-1771 |
| 386-1774 | 386-1776 | 386~1767 | 389-1969 | 392-0200 | 392-0201 | 392-0202 | 392-0203 | 392-0204 |
| 392-0205 | 392-0206 | 392-0208 | 392-0211 | 392-0212 | 392-0213 | 392-0214 | 392-0215 | 392-0216 |
| 392-0217 | 392-0219 | 392-0224 | 392-0225 | 392-0226 | 392-2000 | 392-6214 | 3920214 | 437-7547 |
| OR9-539 | ||||||||
ccaterpillar 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 Series | EUI / Later Electronic Injection Platform | C18, C18 ACERT | Generator Sets; Marine Appliccccations; Large Industrial and Mining Platforms |
How about your delivery time?
Generally speaking, it takes 1 to 60 days after receiving the advance payment. The specific delivery time depends onAccording to the item and quantity of your order.
Can you produce according to the sample?
Yes, we can produce according to your samples or technical drawings. We can make molds and fixtures.
Do you test all goods before shipment?
We maintain good quality and competitive price to ensure the interests of customers;
Why Choose Us:
1.100% quality assurance, develop and manufacture follow original ones;
2. Reasonable stock and timely delivery;
3. Quick response within 24 hours ;
4.Long-term strong and steady supplying ability;
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