Guangzhou Best Auto Parts Co..Ltd.
| Packing | Original package |
| Application | Fuel Injection System |
| Other No | 178-6342 |
| Packaging Details | original packing |
| Part Number | 10R-1257 |
| Payment Terms | T/T, Western Union |
| Supply Ability | 10000 |
| Quality | Brand new Genuine |
| Product name | Caterpillar INJECTOR |
| Stock | In stock |
| Warranty | 12 months |
| Car | Caterpillar engine |
| contact | Contact: 86+ 19128906105 |
| Delivery Time | 3-7 work days |
| Other No 1 | 10R-0782 |
| Place of Origin | USA |
| Certification | ISO +86 19128906105 |
| Brand Name | Caterpillar |
| Model Number | 10R-1257 |
View Detail Information
Explore similar products
Caterpillar original Caterpillar original Caterpillar 0R-9348 fuel injector for
Caterpillar original Caterpillar 10R-0781 diesel fuel injector common rail
Caterpillar original Caterpillar original Caterpillar 10R-1265 fuel injector
Caterpillar original Caterpillar original Caterpillar 10R-1266 Common Rail
Product Specification
| Packing | Original package | Application | Fuel Injection System |
| Other No | 178-6342 | Packaging Details | original packing |
| Part Number | 10R-1257 | Payment Terms | T/T, Western Union |
| Supply Ability | 10000 | Quality | Brand new Genuine |
| Product name | Caterpillar INJECTOR | Stock | In stock |
| Warranty | 12 months | Car | Caterpillar engine |
| contact | Contact: 86+ 19128906105 | Delivery Time | 3-7 work days |
| Other No 1 | 10R-0782 | Place of Origin | USA |
| Certification | ISO +86 19128906105 | Brand Name | Caterpillar |
| Model Number | 10R-1257 | ||
| High Light | Caterpillar 10R-1257 diesel fuel injector ，3126 engine fuel injector replacement ，D5N excavator fuel injector | ||
|
Fuel Type |
Diesel |
|
Condition |
Remanufactured / Rebuilt / Aftermarket Replacement |
|
Applicable Engine |
CAT 3126, 3126B, 3126E; CAT 3126A; CAT C7 and CAT 3116 (verify by engine serial number) |
|
Injector Type |
HEUI (Hydraulic Electronic Unit Injector) |
|
Quality Standard |
OE Cross Reference; Flow-Tested; Ultrasonic Cleaning; Calibrated Fuel Delivery |
|
Packaging |
Single injector or set of 6 injectors; core charge often required |
|
Fuel System |
HEUI Diesel, electronically controlled fuel delivery |
|
OE Number |
10R-1257 / 10R1257, 101257, 178-6342, 177-4762, 229-5928, 177-4752, 192-4010, 192-4011, 215-5678, 3126A, 3126B, 3126E |
|
Brand |
CAT |
|
Cross Number / Universal Number |
10R-1257, 10R1257, 178-6342, 177-4762, 229-5928, 177-4752, 192-4010, 192-4011, 215-5678 |
|
Vehicle / Equipment Application |
Motor Grader 120H, 135H; Track-Type Tractor D5N, D6N; Pipelayer 561N; Wheel Loader 938G, 938G II; Track Loader 953C, 963C; Excavator 325C; construction, mining, truck, agricultural, and fleet equipment |
|
Application Type |
Construction equipment repair, mining equipment maintenance, truck and fleet maintenance, agricultural equipment, diesel engine rebuild, parts distribution, remanufacturing supply, export markets |
The Caterpillar CAT 3126 HEUI diesel fuel injector 10R-1257 10R1257 is a remanufactured replacement designed for CAT 3126, 3126B and 3126E engines using the Hydraulic Electronic Unit Injector fuel system. It also cross-references 178-6342, 177-4762, 229-5928, 177-4752, 192-4010, 192-4011 and 215-5678, giving fleet operators and rebuild shops a single solution for multiple OE references within the 3126 engine family. The HEUI design combines high-pressure engine oil actuation with precise electronic solenoid control to deliver accurate fuel quantity and injection timing, which is critical for stable idle, clean combustion and consistent engine response in heavy-duty service.
Each injector is disassembled, ultrasonically cleaned and inspected before reassembly with calibrated components, restoring OE flow rate and spray pattern for balanced cylinder performance. This rebuild process supports cost-effective replacement while maintaining the durability required for motor graders 120H and 135H, track-type tractors D5N and D6N, pipelayer 561N, wheel loaders 938G and 938G II, track loaders 953C and 963C, and excavator 325C. The injector is suited for construction equipment repair, mining equipment maintenance, truck and fleet service, agricultural machinery and diesel engine rebuild shops, as well as export distribution across North America, South America, Europe, the Middle East, Southeast Asia, Africa and Australia.
To maximize service life, use clean diesel fuel, replace the fuel filter on schedule (related 1R-0762), maintain correct oil grade and change the oil filter regularly (related 1R-1807) because the HEUI system depends on oil pressure for actuation. Inspect the injector wiring harness for corrosion or oil contamination, replace O-rings and seals (related 214-7568) when required, and check the harness connector condition (related 153-8920). After installation, verify fuel pressure, check for leaks, misfire, white or black smoke, rough idle and abnormal noise, and use professional diagnostic equipment for cylinder contribution and diagnostic code scans.
WhatsApp:+8618128524431
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent
Year Established:
1996
Total Annual:
1000000-3000000
Employee Number:
20~99
Ecer Certification：
Verified Supplier
Our company specializes in operating diesel injectors for 30 yearsWe sell Diesel fuel system. Injector, Pump. Valve ,Nozzle, Plunger,.PLEASE add new wahtsapp account, 0086 191 2890 6105 ① Original brand new always our Eternal quality. ② We will delivery products immediately after receive your p... Our company specializes in operating diesel injectors for 30 yearsWe sell Diesel fuel system. Injector, Pump. Valve ,Nozzle, Plunger,.PLEASE add new wahtsapp account, 0086 191 2890 6105 ① Original brand new always our Eternal quality. ② We will delivery products immediately after receive your p...
Get in touch with us
Leave a Message, we will call you back quickly!