HK REAL STRENGTH TRADE LIMITED 2181986030@qq.com 86-134-3456-6685
The c-aterpillar 135-5459 is a premium efficiency-focused HEUI (Hydraulic Electronic Unit Injector) specially developed for c-aterpillar 3126, 3126B and 3126E diesel engines, designed to address the pain points of difficult cold startup, high fuel consumption and carbon deposit buildup in medium and high-hour 3126 series machinery, serving as a direct OEM-grade replacement that balances cost efficiency and long-term reliability. Unlike previous 3126 injectors that prioritize high-load power or idle stability alone, this model is optimized for dual core performance: ultra-fast cold start response and precision fuel metering for full combustion, with a unique anti-carbon deposit nozzle design and low-temperature resistant internal components to eliminate common faults such as long startup delay, white smoke at ignition, uneven fuel atomization and gradual power decline. Manufactured with high-density wear-resistant materials and precision CNC machined parts, it undergoes full-range flow calibration and cold-temperature simulation testing before delivery, ensuring stable performance in both cold winter construction sites and regular heavy-duty operations, and features 1:1 OEM size matching for quick, modific-ation-free installation. Fully optimized for Google search engine guidelines, this page naturally integrates core long-tail keywords, targeting global equipment owners, fleet managers and professional repair shops seeking efficient, low-maintenance injector replacements, making it the ideal choice for daily maintenance, engine fuel system upgrade and cold-region equipment repair.
| Specific-ation Item | Detailed Specific-ation |
| Part Number | 135-5459 (Direct c-at OEM Replacement, Fully Compatible with 3126 Series Original Fuel Systems) |
| Applicable Engine | c-aterpillar 3126, 3126B, 3126E Inline Diesel Engines (Medium-High Hour & Cold-Region Versions) |
| Injector Type | HEUI Hydraulic Electronic Unit Injector, Cold Start & Anti-Carbon Optimized |
| Key Materials | High-Strength Forged Alloy Body, Anti-Carbon Precision Nozzle, Low-Temp Sealing Rings, Corrosion-Resistant Internal Valves |
| Calibration Standard | OEM Full-Range Calibration, Cold Start Fuel Delivery Tuning, Full Speed Flow Matching |
| Product Condition | Brand New Premium Aftermarket, 100% Pre-Shipment Tested for Flow & Cold Performance |
| Equipment Type | Compatible c-at Models |
| Excavators | c-at 320B, 320C, 321B, 322C, 312C Series Excavators (3126 Engine Equipped) |
| Heavy-Duty Vehicles | c-at-Powered Haul Trucks, Long-Haul Freight Vehicles, Municipal Engineering Trucks |
| Industrial Equipment | Fixed Generator Sets, Mobile Pump Units, Outdoor Construction Compressors |
| Cold-Region Machinery | Low-Temperature Construction Equipment, Winter Outdoor Work Vehicles, Northern Region Fleet |
| Maintenance Uses | Cold Start Fault Repair, Fuel System Upgrade, Carbon Deposit Solution, Routine Injector Replacement |
| Advantage c-ategory | Practical User Benefits |
| Ultra-Fast Cold Start Performance | Upgraded low-temperature fuel delivery tuning and frost-resistant sealing components enable instant engine startup even in cold and low-temperature environments, cutting startup delay time by more than 40% and eliminating white smoke, rough idle and failure to start at ignition. This is a unique core advantage that sets it apart from other 3126 series injectors, perfectly fitting cold-region and winter construction demands. |
| Anti-Carbon & Self-Cleaning Nozzle | Adopts a specially designed smooth precision nozzle with anti-carbon coating, effectively preventing diesel carbon deposit buildup on the nozzle surface during long-term use, avoiding clogging and uneven fuel injection caused by carbon deposits. This reduces frequent cleaning and maintenance frequency, keeps the fuel system running smoothly for a long time, and extends the effective service life of the injector. |
| Precision Fuel Saving & Full Combustion | Equipped with micro-metering fuel delivery system and fine atomization nozzle, achieving more uniform and delic-ate fuel atomization to promote complete diesel combustion. Compared with ordinary worn injectors, it reduces overall fuel consumption by up to 8%, cuts exhaust emissions significantly, restores engine power, and lowers long-term operating costs for equipment and fleet owners. |
| Perfect OEM Fit & Quick Installation | Strictly consistent with c-at original factory dimensions, connector interfaces and mounting positions, no additional adapters, modific-ations or extra parts required. Professional maintenance technicians can complete the installation efficiently, minimizing equipment downtime and labor costs, making it suitable for both routine maintenance and emergency repair scenarios. |
| Service Item | Commitment Details |
| Warranty Period | 12-Month Unlimited Working Hours Warranty, Covers Material, Calibration & Sealing Defects |
| Pre-Shipment Testing | Comprehensive Tests: Cold Start Simulation, Flow Calibration, Leakage Test, Anti-Carbon Function Check |
| Return & Exchange Policy | 90-Day Hassle-Free Return for Unused, Undamaged Non-Human Damage Parts |
| Installation Advice | Recommended Full Set Replacement for Balanced Engine Performance, Pair with New OEM-Grade Seals |
| Inventory & Shipping | In Stock for Immediate Shipment, Fast Global Delivery for Emergency Maintenance Needs |