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This aftermarket EUI injector marked 21457950 is engineered to fully match OEM Del-phi industrial production benchmarks, specially developed for Vol-vo D11F/MD11 EPA07 and Mack MP7 heavy trucks widely operated across North American interstate highway networks. Every finished injector undergoes multi-dimensional hydraulic performance testing on dedicated EUI professional calibration benches, accurately replicating factory fuel delivery volume, injection pulse duration and high-pressure atomization angle parameters. It completely eradicates recurring fuel injection system malfunctions for MD11/MP7 fleets, stabilizes low-end torque output and cuts excessive black smoke emissions under non-stop full-load transcontinental long-distance hauling working conditions.
Distinct Core Competitive Advantages
OEM-Aligned Custom Injection Calibration Profile
Each single injector is individually fine-tuned to factory benchmark flow data under rated maximum working pressure, generating ultra-fine evenly dispersed fuel mist that fully covers the entire cylinder combustion chamber. This resolves core incomplete combustion pa-in points such as unstable low-RPM idle shaking, slow power response when climbing steep mountain highway grades, and dense grey exhaust smoke under maximum gross vehicle weight on cross-country haul routes.
Equipped with quenched high-hardness wear-resistant alloy nozzle and temperature-resistant off-white 4-pin terminal solenoid coil assembly. Built-in plunger, precision spring and multi-layer fluorine rubber sealing components effectively resist carbon deposit buildup triggered by low-quality commercial highway diesel fuel, significantly extending service cycles for trucks running year-round uninterrupted interstate delivery schedules.
Plug-In Direct Replacement Without Custom Modifications
1:1 fully consistent outer housing dimension, dedicated single-row off-white waterproof electrical connector and fuel pipeline thread matching original factory injectors. Professional North American heavy-duty truck technicians complete all replacement procedures without drilling, adapter fitting or wiring rework, drastically lowering workshop maintenance labor expenses and fleet vehicle downtime that delays critical cargo delivery deadlines.
Multi-Stage Strict Factory Quality Inspection Process
Raw metal material hardness & wear resistance testing → CNC ultra-precision grinding processing → continuous long-cycle hydraulic aging durability test simulating high-load highway operating temperature difference → dual static & dynamic airtight leakage screening → flow balance coding marking. All defective semi-finished products are fully eliminated before packaging to prevent post-install fuel dripping and unstable rail pressure fault codes triggering dashboard engine malfunction warning lights and failing EPA07 emission inspections.
Dual Brand North American Platform Universal Compatibility
Covers Vol-vo FH/FM D11F EPA07 trucks and Mack CXU/CHU MP7 heavy vehicles, a single injector SKU meets unified one-stop stocking demands for cross-border heavy-duty parts distributors and local professional heavy vehicle repair service centers serving US and Canadian fleets.
Typical Malfunction Symptoms This Injector Fixes
Severe engine vibration during cold cranking and stationary idle at highway rest areas and freight terminals
Obvious insufficient pulling torque when hauling overweight cargo or climbing steep mountain roadway gradients
Thick black exhaust smoke emitted during rapid acceleration and sustained heavy-load interstate cruising
Prolonged engine cranking cycle before successful ignition in freezing low-temperature northern winter environments
Noticeable monthly rise in overall diesel fuel consumption expenditure for long-haul logistics fleet operators
Restricted maximum highway cruising speed and fluctuating unstable power output at high RPM, triggering emission test failures
Packaging & Official Global Warranty Terms
Outer Packing: Impact-resistant thick neutral export carton with customized shock-absorbing EPE foam inner lining, providing reliable anti-collision protection for transoceanic sea freight and international air courier cross-border transportation to US & Canada
Limited Manufacturer Warranty: 12-month worldwide coverage only for factory manufacturing defects; warranty will be completely void if damage arises from contaminated diesel fuel, unprofessional improper installation or overdue fuel filter maintenance cycles
Purchase Guidance: Double-check the OEM serial number laser-etched on your original injector housing or confirm vehicle D11F MD11 EPA07 / MP7 engine model before checkout; submit truck VIN code to our dedicated customer support team for free compatibility verification service.
Wuhan Jinhong Auto Parts Co., Ltd. is a manufacturer and exporter of common rail fuel injectors integrating manufacturing,processing and R & D.
Our factory has a complete and scientific management system and professional product development team, products have been advancing with The Times, quality is also constantly improving, product quality and service have been widely recognized by the industry. Our company has its own factory, combined with the sales model of trade factory, we can provide customers with a full range of services. In addition, our company has international logistics partners to reduce transportation costs for customers. Our company is a leading manufacturer and supplier of Marine parts and auto parts in China. At the same time, we have established partnerships with hundreds of factories specializing in the production of various high-quality auto parts.
Our goal is to provide the best service at the best price, your satisfaction is our best return. Look forward to working with you. Welcome friends from all walks of life to visit, guidance and business negotiations.
FAQ
1. Q: Which payment terms will you accept ?
A: We can accept TT, , paypal and cash etc ,
2. Q: When my order will be shipped ?
A: Once we get payment, we will ship your order within 2 working days.
3. Q: Which shipping will you offer ?
A: By sea, air, DHL, Fedex, TNT, UPS, EMS, SF.
4. Q: How long does it take to my address ?
A: The normal delivery time is 4-7 days, depending on which country you are in.
5. Q: How can I trace my order ?
A: We will send you the tracking number by email.
6. Q: If I am not satisfied with the products, what should I do ?
A: You can contact us and tell us about your problem. We will offer exchange or repair service under warranty.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Total Annual:
5000000-10000000
Employee Number:
160~200
Ecer Certification：
Verified Supplier
Wuhan Jinhong Auto Part Co., Ltd. is a leading manufacturer and global supplier specializing in high-performance fuel system components, including fuel injectors, fuel pumps, and complete fuel delivery systems. With years of industry experience, we also supply a wide range of engine assemblies and s... Wuhan Jinhong Auto Part Co., Ltd. is a leading manufacturer and global supplier specializing in high-performance fuel system components, including fuel injectors, fuel pumps, and complete fuel delivery systems. With years of industry experience, we also supply a wide range of engine assemblies and s...
