3735920LD291 Glow Plug Relay Diesel Engine Preheating Glow Plug Control Relay Replacement For JAC HFCN721 Light Truck Electrical Parts
Product Details
| OEM: | 3735920LD291 | Vehicle Model: | HFCN721 |
|---|---|---|---|
| Classification: | Electrical System | Type: | Electronic Device |
| Highlight |
3735920LD291,3735920LD291 Glow Plug Relay,Glow Plug Relay for Light Truck |
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Product Description
Product Introduction 3735920LD291 Glow Plug Relay is an electrical control relay for HFCN721 light-duty diesel engine preheating circuit. It receives command signals to switch high current for glow plugs, heating combustion chamber before cold startup and reducing white smoke emission in low-temperature environments. This aftermarket replacement relay fixes cold start difficulty, continuous white smoke and preheating function failure caused by burnt internal contact points, aging electromagnetic coil and corroded wiring pins of original relays, optimizing cold starting performance for urban logistics light cargo vehicles.
Product Advantages High-quality enameled wire coil delivers stable electromagnetic attraction and strong anti-interference performance. Reinforced silver alloy contact can withstand frequent high-current switching. Sealed plastic shell blocks moisture and fine dust in complex working environment. Every relay is tested for electrical action and load capacity before shipment, OEM matching connector for simple plug-in installation.
| Item | Parameter |
|---|---|
| Part Number | 3735920LD291 |
| Product Name | Glow Plug Relay |
| Compatible Model | HFCN721 JAC Light Truck |
| Housing Material | Dustproof Engineering Plastic |
| Feature | High Current Switching, Engine Cold Preheating Control |
| MOQ | Negotiable |
| Application | Diesel Engine Glow Plug Preheating Circuit |
Applicable Models Fit for JAC HFCN721 light truck series, widely used on urban delivery and short-haul logistics diesel vehicles with engine preheating system.
Q1: What signs tell you the glow plug relay stops working?
A1: Hard cold start in cold weather, instrument panel preheating warning lamp stays off.
Q2: Will damaged glow plug also overload and burn the relay?
A2: Yes, short-circuited glow plug brings excess current and easily burns relay contacts.
Q3: What inspection should be carried out before fitting new relay?
A3: Check connector pins for corrosion and test each glow plug for short or open circuit.
Product Highlights
Product Introduction 3735920LD291 Glow Plug Relay is an electrical control relay for HFCN721 light-duty diesel engine preheating circuit. It receives command signals to switch high current for glow plugs, heating combustion chamber before cold startup and reducing white smoke emission in low...
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