NGK SPARK PLUG JR10B 1299 SUZUKI GSX1100 1990
4.1 Trustpilot 99.9% positive on eBay
UK delivery £4.99, free over £60 2–4 business days
Spread the cost with 18+, T&Cs apply
NGK JR10B Copper Core Spark Plug. Features a copper core design for faster heat dissipation, better performance, and reliable durability. Standard nickel electrode provides a consistent spark for smooth engine operation. Anti-seizing properties and trivalent metal plating prevent corrosion and ensure easier removal. Corrugated ribs prevent flashover for reliable performance. Pure alumina silicate ceramic insulator offers superior mechanical strength and excellent heat transfer. Triple seals prevent leakage for consistent operation and longevity. Thread size: 12 mm. Hex size: 18 mm (11/16"). Reach: 19 mm (3/4"). Seat type: Gasket. Gap: 0.028" (0.7 mm). Electrode material: Standard Nickel. Tip configuration: Single Electrode. Projection type: Non-Projected. Terminal type: Threaded Stud (M4 Thread). Resistor: Yes. Thread pitch: 1.25 mm. Heat range: 10. Sold individually as a single unit. Part number: 37-JR10B (1299).
- SKU
- 37-JR10B
- Brand
- NGK
- Availability
- In Stock (20)
- General Product Group
- Ignition & Electrical Parts
- General Product Type
- Spark Plug
- Variant Id
- 235620
FULL DESCRIPTION
NGK Copper Core Spark Plug - JR10B
The NGK JR10B spark plug is engineered for reliable engine performance, featuring a robust copper core design for superior heat dissipation and consistent operation. Its advanced construction ensures durability and ease of maintenance.
Key Features:
- Copper Core Design: Facilitates faster heat dissipation, leading to enhanced performance and extended durability.
- Standard Nickel Electrode: Provides a stable spark for smooth and efficient engine function.
- Anti-Seizing Properties: Features trivalent metal plating that protects against corrosion and simplifies plug removal.
- Pure Alumina Silicate Ceramic Insulator: Offers exceptional mechanical strength and effective heat transfer.
- Corrugated Ribs: Designed to prevent flashover, ensuring consistent and dependable performance.
- Triple Seals: Incorporated to prevent leakage, contributing to consistent operation and a longer lifespan.
- Sold individually.
Specifications:
- Thread Size: 12 mm
- Hex Size: 18 mm (11/16 inch)
- Reach: 19 mm (3/4 inch)
- Seat Type: Gasket
- Gap: 0.028 inch (0.7 mm)
- Electrode Material: Standard Nickel
- Tip Configuration: Single Electrode
- Projection Type: Non-Projected
- Terminal Type: Threaded Stud (M4 Thread)
- Resistor: Yes
- Thread Pitch: 1.25 mm
- Heat Range: 10
- Units: 1 Single Unit
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


