Shacman Delong Main Power Switch DZ97189763039

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Product Details

Product Tags

This has been confirmed as the main power switch (battery master switch / battery isolation switch) for Shacman Delong heavy-duty trucks, part number DZ97189763039. It is primarily used on Shacman Delong series trucks and is installed on the main battery circuit to manually cut off the vehicle's power supply.

Basic Information

Item	Details
Part Number	DZ97189763039
Name	Main Power Switch (also known as battery cut-off switch, battery isolation switch, or battery master switch)
Brand / Vehicle Model	Shacman Delong series heavy-duty trucks
Compatible Models	X3000, New M3000, M3000S, F3000; some sources also list F2000, X6000, and L3000
Product Type	New mechanical type, with mounting bracket / mounting plate
Reference Specifications	24V, copper terminals, manual rotary handle, ON/OFF two-position

Origin and Replacement Relationship

To reduce the failure rate of the older switch, Shacman developed this new switch to replace the following two older parts:

DZ95189763010 (old main power switch)
DZ95189761131 (power switch bracket)

The new switch has been used on vehicles produced from September 2017 onward and can directly replace the older parts without rewiring. On the X3000, this replacement applies to all models except hazardous-materials transport vehicles.

What to Watch Out for When Buying and Replacing

Using this part number is the safest way to buy: Quote DZ97189763039 directly to the seller. It is best to buy "genuine" or "OEM-equivalent" parts. There are many aftermarket parts on the market with the same number, and prices vary widely, ranging from around CNY 14 per piece for bulk orders to genuine OEM parts, with a clear difference in quality.
Make sure it comes "with mounting plate": Genuine parts come with a mounting bracket, so confirm this with the seller when purchasing.
Inconsistent specification descriptions: A few e-commerce listings show "100A" and "white", which do not match the mainstream specifications. They are likely using a different part under this number. If your vehicle has a high electrical load, confirm the rated current with the seller or buy a genuine part.
Operating habit: This is a mechanical master switch. Turn it off when the vehicle is parked for an extended period (overnight, long-term storage, etc.) to prevent battery drain. It also makes maintenance safer.

Replacement Steps (Key Points)

Disconnect the negative terminal first: Before installation, disconnect the battery negative terminal first to prevent the wrench from causing sparks if it touches the vehicle body.
Location: Usually installed near the battery or on the frame. First, remove the fixing screws of the old switch.
Wiring: The new switch can be directly plugged in as a replacement. Tighten the terminals securely; applying some conductive grease is recommended to prevent oxidation of the copper terminals.
Post-installation check: Turn the switch to ON, then check whether the instrument panel, lights, and starting function work properly, and whether the terminals show any signs of heating.