E3508 Engine Fuel Injector 250-1306 Injector 3861752 3891969 Fuel Injector for Excavator
Product Details
Caterpillar fuel injector for excavator
,E3508 engine fuel injector
,250-1306 fuel injector with warranty
Caterpillar 3512B Fuel Injector 250-1306 – Complete Industrial Product Database & SEO Optimized Product Description
Product Overview
The Caterpillar 250-1306 Fuel Injector is a precision-engineered diesel fuel injection component designed for Caterpillar's world-renowned 3500 Series heavy-duty diesel engines, particularly the CAT 3512B engine platform. The injector plays a critical role in delivering accurately metered fuel quantities into the combustion chamber under high pressure, ensuring efficient fuel atomization, complete combustion, maximum power output, optimized fuel economy, and reduced emissions.
Widely utilized across industrial power generation, mining operations, marine propulsion systems, oil & gas facilities, construction machinery, and emergency generator applications, the CAT 250-1306 injector is recognized as a mission-critical component for maintaining engine reliability and operational efficiency.
Designed to meet or exceed OEM specifications, the injector is suitable for engine overhaul projects, preventative maintenance programs, fleet servicing operations, and industrial engine rebuild applications worldwide.
Product Information Database
| Item | Specification |
| Product Name | Fuel Injector |
| Part Number | 250-1306 |
| OEM Number | 2501306 |
| Caterpillar OEM | 326-1643 |
| Caterpillar OEM | 3261643 |
| Replacement Number | 10R-7222 |
| Replacement Number | 10R7222 |
| Cross Reference | 317-7630 |
| Cross Reference | 3177630 |
| Cross Reference | 341-9876 |
| Cross Reference | 3419876 |
| Engine Series | CAT 3500 Series |
| Engine Model | CAT 3512B |
| Fuel Type | Diesel |
| Injector Type | Mechanical Unit Injector |
| Condition | Brand New |
| Quality Level | OEM Equivalent |
| Material | Hardened Alloy Steel |
| Surface Finish | Anti-Corrosion Treatment |
| Packaging | Industrial Export Packaging |
| Warranty | 12 Months |
| 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 |
Do you supply original quality or aftermarket parts?
Yes, we provide flexible sourcing options to meet different needs and budgets: Original/OEM parts - We offer genuine parts with competitive pricing through our direct supply channels. Premium aftermarket parts - High-quality alternatives, offering cost savings without compromising performance. Quality-tested used parts - Reliable second-hand options for budget-conscious maintenance, fully inspected and graded. Simply tell us your preference, and we'll recommend the best solution.
What is your warranty policy for commercial vehicle parts?
We offer 2 to 12 months warranty (varies by product) and provide technical support & troubleshooting guides. Warranty claims are processed within 48 hours.
Do you provide full technical documentation (2D/3D drawings, installation manuals, material certifications) with bulk orders?
Absolutely. We supply complete technical packages (STEP/IGES/CAD files, manuals, test reports) to streamline your engineering, procurement, and maintenance workflows.
Why Choose Us:
1. We are professional in engine oil supply system;
2.Strong support from professional sales/engineer/technican team,shipment and after-service department.
3.Used and new genuine parts, China OEM parts available.
4.Support multiple payment methods, payment protection;
Detailed Product Picture:
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