317-5278 20r-0055 Fuel Injector for Cat 14H140H Motor Graders C10 C11 C12 C13 Engine
| OE No. | 317-5278 |
| Type | Fuel Injector |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
Compatible Models / Applications
-
Motor Graders:
-
14H, 140H, 143H, 160H, 163H
-
-
Wheel Loaders:
-
966G II
-
-
Track-Type Tractors / Bulldozers:
-
D7R II, D7R Series
-
-
Wheel Dozers:
-
814F
-
-
Soil & Landfill Compactors:
-
815F, 816F
-
-
Pipelayers:
-
572R II
-
-
Engine Models:
-
Cat C10, C11, C12, C13, 3196
-
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.
Frequently Asked Questions (FAQ)
Q1: What is the exact function of the 317-5278 part?
A: The 317-5278 part number designates a Fuel Injector Group (HEUI/MEUI assembly). It is responsible for metering and atomizing diesel fuel directly into the engine's combustion chamber at high pressure to ensure optimal combustion efficiency.
Q2: Is 317-5278 a brand new or remanufactured part number?
A: 317-5278 represents the OEM New Cat part number. If you are looking for the official Cat factory remanufactured alternative, the corresponding part number is 20R-0055.
Q3: How can I verify if this part fits my specific machine configuration?
A: Cat heavy machinery can have varying engine arrangements. To ensure 100% accurate fitment, always verify using your machine's Product Identification Number (PIN) or the Engine Serial Number (ESN) before purchasing or installing the unit.
Q4: What are the primary symptoms of a failing 317-5278 fuel injector?
A: Common warning signs of fuel injector failure in Cat C11/C12/C13 engines include:
-
Engine misfires, rough idling, or severe power loss under heavy load.
-
Excessive black, grey, or white exhaust smoke.
-
Increased fuel consumption and difficulty starting the engine.
-
Active diagnostic trouble codes (DTCs) related to cylinder contribution or injector circuit faults.
Q5: Can I replace just one injector, or do I need to replace the entire set?
A: While you can technically replace a single failed injector, it is highly recommended to inspect the remaining injectors. In heavy-duty applications (like motor graders or wheel loaders), injectors wear down at a similar rate due to matching operating hours, so replacing them as a set prevents sequential downtime.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.