Guangzhou Best Auto Parts Co..Ltd.
| Part Number | 20R-4148 |
| Product name | Caterpillar INJECTOR |
| Stock | In stock |
| Warranty | 12 months |
| Car | Caterpillar engine |
| Quality | Brand new Genuine |
| Packing | Original package |
| Application | Fuel Injection System |
| Other No | 10R-1267 |
| Delivery Time | 3-7 work days |
| Packaging Details | original packing |
| Payment Terms | T/T, Western Union |
| Other No 1 | 174-7528 |
| Supply Ability | 10000 |
| contact | Contact: 86+ 19128906105 |
| Model Number | 20R-4148 |
| Certification | ISO +86 19128906105 |
| Brand Name | Caterpillar |
| Place of Origin | USA |
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Product Specification
| Part Number | 20R-4148 | Product name | Caterpillar INJECTOR |
| Stock | In stock | Warranty | 12 months |
| Car | Caterpillar engine | Quality | Brand new Genuine |
| Packing | Original package | Application | Fuel Injection System |
| Other No | 10R-1267 | Delivery Time | 3-7 work days |
| Packaging Details | original packing | Payment Terms | T/T, Western Union |
| Other No 1 | 174-7528 | Supply Ability | 10000 |
| contact | Contact: 86+ 19128906105 | Model Number | 20R-4148 |
| Certification | ISO +86 19128906105 | Brand Name | Caterpillar |
| Place of Origin | USA | ||
| High Light | Caterpillar 3412 diesel engine fuel injector ，original Common Rail fuel injector assembly ，construction machinery fuel injector replacement | ||
|
Fuel Type |
Diesel |
|
Condition |
New / Remanufactured |
|
Applicable Engine |
Caterpillar 3412 series, including 3412B, 3412C, 3412E variants (industrial, marine, genset versions, mechanical and electronic governor platforms) |
|
Injector Type |
High-pressure timed injection valve with solenoid / mechanical valve activation |
|
Quality Standard |
OE specification, high pressure tolerance ≥1800 bar, thermal stability in idle and load conditions |
|
Packaging |
Standard export packaging |
|
Fuel System |
Direct injection, high-pressure common-rail type diesel fuel delivery |
|
OE Number |
20R-4148 |
|
Brand |
CAT |
|
Cross Number / Universal Number |
8N-4148, 10R-4148, 7N-4148, 1826367, 7N4148, 8N4148 |
|
Vehicle / Equipment Application |
Power generation sets, marine propulsion units, mining equipment, and construction prime movers |
|
Application Type |
Industrial, marine, and power generation engine applications |
The Caterpillar 20R-4148 fuel injector is engineered as a direct OE replacement for CAT 3412 series engines, covering the 3412B, 3412C, and 3412E variants used across industrial, marine, and power generation platforms. Designed for both mechanical and electronic governor configurations, this injector delivers timed, metered diesel charge into each combustion chamber with consistent atomization efficiency, supporting complete combustion under variable load demands typical of heavy-duty prime movers.
Built to operate at high pressure tolerance levels of ≥1800 bar, the 20R-4148 maintains thermal stability across idle and full-load operating conditions, a critical factor in marine propulsion and genset service where uninterrupted fuel delivery is required. The unit accepts cross-reference numbers 8N-4148, 10R-4148, 7N-4148, and 1826367, allowing flexibility for fleet operators managing mixed inventories of new and reman components without compromising on engine calibration or performance baseline.
Routine maintenance practices are straightforward: inspect for external fuel leaks every 250 hours, verify spray pattern using diagnostic tools, and replace associated high-pressure lines at intervals exceeding 1000+ hours. During installation, technicians should use OEM grade gaskets and seals, follow CAT 3412 torque specifications for hold-down nuts, and confirm clean cylinder head ports with proper injector cup seating. Use of clean diesel with correct filtration extends service life and sustains injection timing accuracy throughout the operational cycle.
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...
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