3126B 322C Excavator Fuel Injection Pump Assembly 1807341 for 950G Loader
Price:
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MOQ:
1 Piece
Delivery Time:
Negotiable
Brand:
ZVEZDA
Product Description
1807341 HEUI Fuel Supply Pump Assembly With Filter Base For 3126B
Multi-layer composite HNBR high-pressure oil sealing ring at plunger, gear shaft and oil port, withstand 1600bar peak working pressure, effectively prevent diesel leakage, isolate engine high-temperature oil mist and dust from entering internal precision components, extend overall service life of injection pump assembly
Product Details
| Specification | Detailed Information |
|---|---|
| Brand | ZVEZDA |
| Full Cross Reference OE Numbers | 180-7341, 1807341, 10R-2995 |
| Product Category | HEUI Dual-Stage High Pressure Fuel Injection Pump Assembly (Integrated Filter Seat) |
| Matching Diesel Engine | CAT 3126, 3126B Industrial / Construction Diesel Engine |
| Matching Main Equipment | 322C, 325C, M325C MH Excavator; 938G II,950G II Wheel Loader; D5N,D6N Dozer; 561N Pipelayer |
| Drive Mode | Engine Gear Meshing Direct Drive |
| Built-in Components | Low Pressure Gear Pump, High Pressure Plunger Pump, Fuel Filter Base, Pressure Regulating Solenoid, Oil Pressure Sensor |
| Installation Position | Engine Right Side Gear Chamber Mount Flange |
| Fixing Mode | 4-Bolt Integral Flange Fixed |
| Main Applicable Scenarios | Open Pit Mining, Large Scale Earthmoving, Quarry Excavation, Highway Foundation Construction |
| Net Product Weight | Approx. 15.6kg |
| Quality Warranty | 6 Months Normal Heavy Load Mining & Construction Warranty |
| Export Packing | Wooden Shockproof Outer Case + EPE Foam Full Wrapping Independent Packaging |
| Sample Policy | 1 Piece Sample Support, Factory Provide Pressure Test Report |
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| No. | Question | Answer |
|---|---|---|
| Q1 | What core failure symptoms indicate the 180-7341 injection pump needs replacement? | Sudden power drop under heavy load, thick black exhaust smoke, hard startup, unstable idle speed, and obvious oil leakage at pump body oil ports are typical damage manifestations. |
| Q2 | Can this pump be directly installed on 3126 non-B engine without modification? | Partial early 3126 base engines need to match gear tooth number and ECU program; only 3126B full-series engines realize plug-and-play without adjustment. |
| Q3 | Why does the engine stall after replacing the 180-7341 pump? | The internal pressure regulating solenoid wiring plug is reversed, or the fuel filter sealing ring is not installed in place, leading to insufficient system oil pressure and flameout. |
| Q4 | How to maintain the service life of this HEUI high-pressure pump? | Strictly use high-standard diesel fuel, replace fuel filter regularly every 200 hours, avoid long-term idle operation, and prevent metal impurities from entering the pump body. |
| Q5 | Is the gear drive gear of 180-7341 interchangeable with other fuel pumps? | Exclusive 36-tooth gear matched for 3126B engine; gear parameters of C7/C9 engine fuel pumps are inconsistent and cannot be mixed. |
| Q6 | Does the pump need professional pressure calibration after installation on 325C excavator? | Factory complete pressure calibration, only need to complete 5-minute idle running after installation to automatically match the ECU fuel supply curve, no professional bench calibration required. |
| Q7 | What will happen if the high-pressure oil seal of the plunger fails? | Internal high-pressure diesel leaks into the engine crankcase, dilutes engine oil, causes lubrication failure, and may lead to engine cylinder pulling in severe cases. |
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Company
Guangzhou Qichao Machinery Parts Co., Ltd.
Location
825-827, Zhuji International Machinery City, No.36 Zhuji Road, Tianhe District, Guangzhou, China
Contact Person
Sales