Guangzhou Suining Auto Parts Co., Ltd.
| Vehicle Model | HFCN721 |
| Supply Ability | 5000PCS per month |
| Payment Terms | L/C,D/A,D/P,T/T |
| Type | Electronic device |
| Classification | Electrical system |
| OEM | 3735920LD291 |
| Model Number | 6132511-0018-011 |
| Place of Origin | CHINA |
| Brand Name | JAC |
| Certification | ISO,CE |
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Product Specification
| Vehicle Model | HFCN721 | Supply Ability | 5000PCS per month |
| Payment Terms | L/C,D/A,D/P,T/T | Type | Electronic device |
| Classification | Electrical system | OEM | 3735920LD291 |
| Model Number | 6132511-0018-011 | Place of Origin | CHINA |
| Brand Name | JAC | Certification | ISO,CE |
| High Light | 3735920LD291 ，3735920LD291 Glow Plug Relay ，Glow Plug Relay for Light Truck | ||
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.
Company Details
Business Type:
Distributor/Wholesaler
Year Established:
1989
Total Annual:
30000000-35000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
SuiNing Auto Parts Company (Abbrev. SN) is one of China’s leading auto parts supply chain enterprises. Founded in Guangzhou in 1989, SN adheres to the tenet of “customer-focused, market-oriented, competitive and innovative, quality-first”. &... SuiNing Auto Parts Company (Abbrev. SN) is one of China’s leading auto parts supply chain enterprises. Founded in Guangzhou in 1989, SN adheres to the tenet of “customer-focused, market-oriented, competitive and innovative, quality-first”. &...
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