Product Details

2552-1004 30661-00004 SS2B003 Excavator Throttle Knob Control Switch Replacement for Daewoo Doosan Solar 220LC-V 225LC-7 Supplier

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2552-1004 30661-00004 SS2B003 Throttle Control Knob Replacement for Daewoo Doosan Excavator

Heavy equipment operators and repair shops looking for reliable engine speed control solutions can now secure the 2552-1004 and 30661-00004 throttle knobs. These components are essential for precise RPM management in Daewoo and Doosan Solar series excavators, ensuring fuel efficiency and hydraulic performance during demanding construction tasks.

Technical Specifications & Model Compatibility

Detail Field	Specifications (Supplied & Verified)
Model NO.	DH220-5, DH225-7, Solar 220LC-V, Solar 225LC-7, Solar 300LC-V
Part Number (Standard)	2552-1004, 30661-00004, SS2B003
Alternative Part Number	25521004, 3066100004
Product Name	Excavator Throttle Knob / Accelerator Control Switch
Type	Electric Control Component
Condition	Brand New, OEM Standard Replacement
Application	Engine rebuild, overhaul, maintenance, speed adjustment
Payment Terms	T/T, Western Union, MoneyGram
Stock Status	In Stock / Fast Dispatch from China Warehouse
Delivery Methods	Express: DHL Fedex EMS UPS or by Air/ Sea

Procurement Comparison: Why This Part Matters

When sourcing excavator parts, the choice between low-grade aftermarket and OEM standard replacements determines the lifespan of your equipment. Below is a comparison focusing on procurement core points.

Core Procurement Points	Our OEM-Standard Replacement	Market Generic Alternative
1. Signal Accuracy	High-precision potentiometer for smooth RPM ramps	Frequent signal flickering causing engine surges
2. Build Quality	Industrial grade ABS plastic with dust-proof seals	Flimsy plastic susceptible to heat warping
3. Connector Fitment	Direct Plug-and-Play (Exact pin configuration)	May require wire splicing or modifications
4. Part Number Match	Covers 2552-1004 and 30661-00004 accurately	Vague "universal" fitments that cause errors
5. Operational Life	Tested for 100,000+ rotation cycles	Contact failure within months of heavy use
6. Economic Value	Reduces downtime via "First-Time Right" fit	Lower upfront cost but high replacement labor

Maintenance Insight: Not sure how this issue affects your equipment?

A faulty throttle knob (2552-1004) often leads to erratic engine speeds or a complete failure to respond to accelerator commands. This can stall your project and increase fuel consumption significantly.

Our team helps operators:

Identify potential risks during maintenance of Solar 225LC-7 and DH220-5 models.
Recommend suitable replacement parts if needed based on serial number verification.
Support both inspection advice and parts supply for global construction fleets.

Send Your Part Number for an instant compatibility check.

Frequently Asked Questions (FAQ) & Troubleshooting

1. Why is my DH225-7 excavator engine not responding to the throttle knob 30661-00004?

This issue is typically caused by internal wear of the throttle knob's resistance track or a faulty wiring harness. If the machine stays at idle despite turning the knob, the 2552-1004 unit likely has an open circuit. Replacing the switch is the most effective solution to restore throttle control.

2. Can SS2B003 be used as a direct replacement for 2552-1004?

Yes, SS2B003 is the cross-reference part number for 2552-1004. Both are designed for the same mounting bracket and wiring interface in Daewoo Doosan Solar excavators. They provide identical electrical resistance values for the ECU.

3. Why Choose This Excavator Throttle Knob?

OEM-standard tri-metal structure: Our knobs utilize high-conductivity internal contacts to ensure consistent signal output even in high-vibration environments. Trusted by repair shops & equipment fleets: We provide reliable components that minimize machine downtime for professional mechanics.

Expert Supplier for Heavy-Duty Engine Parts

We specialize in comprehensive engine solutions for world-leading brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our inventory supports full engine assembly and high-precision components.

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