What are the available shipping methods?

We offer flexible shipping options including containers and express delivery.

Which models are compatible with this spark plug?

It is compatible with GK3-5, GK3-5A, Gk31A, 6082, 6104, 6106, and N0038 models.

What is the thread size and reach?

The thread size is 16mm and the reach is 19mm.

High Performance Iridium Spark Plug for Gk3-5 and Gk3-5A

Name: High Performance Iridium Spark Plug for Gk3-5 and Gk3-5A
Brand: Changsha Torch Auto Parts Co., Ltd.
SKU: 2262783565

Hunan, ChinaChangsha Torch Auto Parts Co., Ltd.

US$15.00

1-99 pieces

US$13.00

100-999 pieces

US$10.00

1,000+ pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO9001, TS16949

Standard Component

Model NO.

R3K12-78

Technics

Spark Plug

Material

Iridium

Type

Spark Plug

Reach

19mm

Electrode

Projected Double Platinum J "Gap"

Single Gross Weight

0.250kg

Keyword

Gk3-5/Gk3-5A/Gk31A/6082/6104/6106/N0038

Size

Reach-19mm

Product Name

Generator Spark Plug

Reference No.

Gk3-5

Seat Type

Flat

Heat Range

Gap

0.3mm

Spark Position

3.5mm

Hex

16mm

Thread Size

16mm

Resistor

Yes

Single Package Size

14X3X3cm

Transport Package

Neutral Package

Specification

standard

Trademark

Neutural without any branding

Origin

Hunan, China

HS Code

851110

Production Capacity

10000PCS/Month

Key features

Extended Lifespan and Reliability: Rigorous testing ensures long service life and maximized equipment uptime.

Premium Iridium-Platinum Electrodes: Utilizes laser welding and IFISS technology for superior corrosion resistance.

Improved Fuel Efficiency: Precision electrode design promotes complete combustion and energy savings.

Stable Bulk Supply: Ample safety stock and efficient supply chain ensure timely spot supply.

Professional Technical Support: Includes installation guidance, torque values, and maintenance consultation.

OEM/ODM Customization Supported: Customization options available for specific model requirements.

Broad Model Compatibility: Compatible with most industrial models including GK3-5 and GK3-5A.

Company profile

Changsha Torch Auto Parts Co., Ltd.

Hunan, China

Business Type: Manufacturer/FactoryExport Year: 2007-03-16Nearest Port: shenzhen,ningboAverage Response Time: ≤3.16hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP, CPT, FCA

AI-Powered supplier vetting

SummaryThe supplier is a combined automotive electrical-system provider with one production line, reported spark-plug output of 3,000,000 pieces, export coverage across multiple global regions, and self-operated import/export rights. It provides customization from samples and designs, ODM services, and OEM services for well-known brands. R&D includes two engineers and new products within the past year, but no SDK and no available R&D audit documentation were reported. Inventory is available, and overseas services include debugging, training, and equipment installation; however, no overseas warehouse or showroom is available. Service complaint handling has documented procedures and records, while broader service assessment and corrective/preventive-action procedures are not documented. No certification information or customer case details were provided. Manufacturing subcontracting lacks a valid contract, and finished products are checked by packing staff.

Supplier typeThe supplier is identified as a combined company providing automotive electrical-system solutions, manufacturing, export trade, service, quality control, and R&D capabilities. It also reports self-operated import/export rights, indicating direct export capability rather than an offshore-company structure.

After-Sales capabilityThe supplier offers debugging, training, and equipment installation, has a documented customer-complaint procedure with follow-up records, and maintains inventory capability. However, it has no overseas warehouse or showroom, and no written service-assessment or corrective/preventive-action procedures were reported.

R&D capabilityThe supplier reported new products within the past year, ODM capability, and two R&D engineers whose responsibilities include product development and technical support. The absence of available R&D design-input, output, review, verification, and validation documentation, together with no available SDK, limits evidence of a fully documented innovation system.

Production capacityThe supplier operates one production line, reports spark-plug output of 3,000,000 pieces, has six quality-control test equipment units, and maintains inventory capability. Against this, finished products are checked by packing staff, and the factory and related subcontractor have no valid manufacturing-capacity contract, creating documented production-control limitations.

Customization capabilityCustomization from samples and designs is explicitly available, and the supplier also reports ODM service capability. These entries provide direct evidence that it can support customer-specific product development or adaptation.

Client casesThe supplier states that it provides OEM services for well-known brands and has established multilingual services and localized warehousing and after-sales networks for African and South American markets. No named customers, project descriptions, or independently verifiable case details were provided.