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Ignite Your Performance with LJK

Premium Iridium, Platinum & Standard Spark Plugs for Automotive, Motorcycle, and Lawn & Garden Applications. Trusted Quality, Competitive Pricing, Global Supply Chain.

LJK Factory Entrance

Why Choose LJK Spark Plug?

We deliver Comprehensive Solutions, High Quality, Quick Delivery, and Reasonable Price — everything you need to grow your business.

Reliable Quality

All spark plugs are tested by automatic machines and senior QC. Products have proven sales records in global markets for over 5 years.

Competitive Price

Optimized sourcing, production, and testing processes ensure cost efficiency without compromising quality.

Excellent Customer Service

Direct export team support with real-time tracking of planning, production, QC, and shipment stages.

Our Premium Products

High-performance spark plugs engineered for durability, efficiency, and optimal engine performance.

Iridium Spark Plug 95264 DILKR6D11G

Iridium Spark Plug

Model: 95264 DILKR6D11G

High Performance
Iridium Spark Plug D-ILFR6T11 4904

Iridium Spark Plug

Model: D-ILFR6T11 4904

Premium Iridium
Double Iridium Spark Plug 95029 DILKAR8J9G

Double Iridium Spark Plug

Model: 95029 DILKAR8J9G

Dual Electrode
Iridium Spark Plug D-ITR4A-15 5599

Iridium Spark Plug

Model: D-ITR4A-15 5599

High Ignition
Iridium Spark Plug 6418 D-BKR6EIX

Iridium Spark Plug

Model: 6418 D-BKR6EIX

Long Life
Iridium Spark Plug 94124 D-ILKAR7L11

Iridium Spark Plug

Model: 94124 D-ILKAR7L11

High Efficiency
Iridium Spark Plug 6994 D-IZFR6K-11

Iridium Spark Plug

Model: 6994 D-IZFR6K-11

Cold Type
Iridium Spark Plug 94769 DILZTR6A8

Iridium Spark Plug

Model: 94769 D-ILZTR6A8

Advanced Design
View Full Catalog

About LJK

Ningbo LJK Spark Plug Manufacture Co., Ltd., established in 2002, is one of China's leading manufacturers of premium quality spark plugs. We specialize in producing and developing spark plugs for cars, motorcycles, and lawn & garden machines.

Our product range includes resistance type, multi-pole, iridium, platinum, and surface jump type spark plugs — all engineered for superior performance and durability.

  • 20+ Years of Manufacturing Experience
  • Global Export to 50+ Countries
  • ISO & CE Certified Production
  • Full Range of Automotive & Industrial Plugs
LJK Production Line

Advanced Manufacturing Technology

Our state-of-the-art production line ensures precision, consistency, and reliability in every spark plug we manufacture.

Hot Riveting Technology

Ensures strong electrode bonding and long-term durability under extreme conditions.

Automated Testing

100% of products undergo automated quality control to ensure consistent performance.

Certified Quality

ISO 9001, CE, and other international standards compliance for global trust.

Support & FAQ

What makes LJK spark plugs different?

We combine advanced manufacturing technology with rigorous quality control and competitive pricing to deliver reliable performance across all vehicle types.

Do you offer private labeling?

Yes, we support OEM/ODM services and can provide custom packaging and branding for your market.

What is your minimum order quantity (MOQ)?

MOQ varies by model, but we are flexible and can accommodate trial orders for new customers.

How do you ensure quality?

Every batch is tested using automated systems, and we maintain full traceability from raw materials to finished goods.

Get in Touch

Ready to grow your business with premium spark plugs? Contact us today.

Email

[email protected]

[email protected]

[email protected]

Manager Direct Line

+86 139 5748 1038

WhatsApp / Telegram / WeChat

+86 139 5748 1038

Address

Huanghu Industrial Zone, Ningbo City, P.R. China

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