Guangzhou Lanxin Machinery Equipment Co., Ltd
| Supply Ability | 999 |
| Payment Term | PAYPAL\WEST UNION\TT\TRADE ASSURANCE |
| Packaging Details | Carton Box |
| Part Number | 478-7932 478-7933 262-2879 521-0791 |
| Payment Terms | L/C,D/A,D/P,T/T |
| Delivery Time | 3-7 work days |
| Shipment | DHL FEDEX TNT EMS UPS |
| Product Type | Engine Control Unit (ECU) / Electronic Control Module (ECM) |
| Delivery time | 3-7 Days |
| Model Number | C7 C9 C9.3B |
| Place of Origin | China |
| Brand Name | CAT |
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Product Specification
| Supply Ability | 999 | Payment Term | PAYPAL\WEST UNION\TT\TRADE ASSURANCE |
| Packaging Details | Carton Box | Part Number | 478-7932 478-7933 262-2879 521-0791 |
| Payment Terms | L/C,D/A,D/P,T/T | Delivery Time | 3-7 work days |
| Shipment | DHL FEDEX TNT EMS UPS | Product Type | Engine Control Unit (ECU) / Electronic Control Module (ECM) |
| Delivery time | 3-7 Days | Model Number | C7 C9 C9.3B |
| Place of Origin | China | Brand Name | CAT |
| High Light | Excavator Engine ECM Computer Board ，CAT C7 C9 Controller ，ECU Control Unit with warranty | ||
Engine control module for CAT C7 / C9 / C9.3B excavator decks - supplied against 478-7932, 478-7933, 262-2879 and the C9.3B 521-0791 reference. New board, anti-static packed, application verified from the ECM label and machine serial before shipment.
| Product Name | Excavator Engine ECM / Computer Board |
| Part Number | 478-7932 (core) / 478-7933 / 262-2879 / 521-0791 (C9.3B reference) - verify against the ECM label on your unit |
| Type | Engine electronic control module (ECM / ECU) |
| Engine Coverage | CAT C7, C9 and C9.3B engine decks |
| Application | CAT excavator decks reported on 330D / 336D / 324D / 325D-class machines (verify machine serial) |
| Condition | New |
| Warranty | 12 Months |
| Packaging | Anti-static bag + export carton packaging |
| OEM Part Numbers | 478-7932 / 4787932 (core); 478-7933; 262-2879 / 2622879; 521-0791 (C9.3B reference); 20R-8181 (reference) |
| Alternative Part Numbers | 372-2906 / 372-2905, 228-0382, 255-5285, 374-2640 / 331-7540, 10R-5647, 226-7475, 196-4172 / 179-9848 - circulating on the C7 / C9 controller decks; verify against the original unit |
| Compatible Engine Models | CAT C7, C9, C9.3B (core); adjacent decks C6.4 / C6.6 / C7.1 / C11 / C13 / C15 / C18 use different ECMs - never cross-fit without the label |
| Compatible Excavator Models | Reported on CAT 330D / 336D and 324D / 325D-class excavators; confirm model and serial |
| Compatible Equipment Models | CAT excavators and machinery running C7 / C9 / C9.3B engines (verify application) |
| Related Components | Fuel Injectors, Engine Sensors, Wiring Harness, Monitor Panel, Turbo Actuator, Fuel Pump |
When an ECM fails, the machine does not limp - it stops, and the diagnosis usually ends at the control module. This engine computer board covers the C7, C9 and C9.3B decks that dominate 20-36 ton CAT excavator fleets, and it is supplied against the numbers the parts counter actually reads off the unit: 478-7932, 478-7933 and 262-2879, with 521-0791 on the C9.3B side. The critical discipline is the label match - the same physical module circulates under several numbers because it serves several engine builds, so the ECM label, the engine tag and the machine serial must agree before the order is confirmed. Anti-static packaging and pre-shipment inspection protect the board from the two failure modes that kill controllers: static discharge and freight damage.
Company Details
Business Type:
Distributor/Wholesaler,Trading Company
Year Established:
2008
Total Annual:
10000000￥-100000000￥
Employee Number:
50~150
Ecer Certification：
Verified Supplier
Guangzhou Lanxin Machinery Equipment Co., Ltd., established in 2008, is a professional supplier of excavator parts and mining equipment parts located in Guangzhou, Guangdong Province, China. Focusing on engineering components, and leveraging 18 years of professional experience in the construction ma... Guangzhou Lanxin Machinery Equipment Co., Ltd., established in 2008, is a professional supplier of excavator parts and mining equipment parts located in Guangzhou, Guangdong Province, China. Focusing on engineering components, and leveraging 18 years of professional experience in the construction ma...
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