NGK SPARK PLUG CR9EH-9 7502
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 CR9EH-9 7502 Half Threaded Special Spark Plug. Features a copper core for efficient heat dissipation, helping cool the electrode and insulator tip for better performance and longevity. Raised pre-ignition rating with high-conduction copper and a long nose insulator improve heat distribution. Meets the demands of high-performance engines. Specifications: Heat Range 9, Thread Size 10mm, Type Resistor, Sold individually, Weight 0.12 lbs. Alternate/OEM Part Numbers: 7502, CR9EH9. Thread: Half-threaded, 12.7mm (1/2") threaded. Reach: 19mm (3/4"). Hex Size: 5/8" (16mm). Gap: 0.035" (0.9mm). Seat Type: Gasket Seat. Terminal Type: Stud Terminal Threads. Construction: Triple sealed copper core to aid heat removal and prevent interior leakage. Ideal for motorcycles and other high-performance engines.
- SKU
- 37-CR9EH-9
- Brand
- NGK
- Availability
- In Stock (97)
Fitments (6)
| Make | Model | Year |
|---|---|---|
| HONDA | XR 250R | 1996 |
| HONDA | XR 250R | 1997 |
| HONDA | XR 250R | 1998 |
| HONDA | XR 250R | 1999 |
| HONDA | XR 250R | 2000 |
| HONDA | XR 250R | 2001 |
- General Product Group
- Ignition & Electrical Parts
- General Product Type
- Spark Plug
- Variant Id
- 235558
FULL DESCRIPTION
NGK CR9EH-9 7502 Special Spark Plug
The NGK CR9EH-9 7502 Spark Plug is engineered for high-performance engines requiring superior ignition and longevity. This spark plug features a robust copper core, designed for efficient heat dissipation to maintain optimal electrode and insulator tip temperatures, directly contributing to enhanced engine performance and a longer service life.
The design incorporates a raised pre-ignition rating, utilizing a high-conduction copper core and a long-nose insulator. This combination promotes effective heat distribution, significantly reducing the risk of pre-ignition, even under the strenuous conditions found in high-performance applications.
Key Features:
- Copper Core Construction: Facilitates efficient heat dissipation, cooling the electrode and insulator tip for improved performance and durability.
- Raised Pre-Ignition Rating: Achieved through high-conduction copper and a long-nose insulator for superior heat distribution and reduced pre-ignition risk.
- High-Performance Compatibility: Meets the demanding requirements of high-performance engines, ensuring reliable operation under stress.
- Half-Threaded Design: Contributes to proper installation and secure connection for consistent spark delivery.
- Triple Sealed Construction: Aids in heat removal and prevents internal leakage.
Specifications:
- Heat Range: 9
- Thread Size: 10mm
- Type: Resistor
- Thread Configuration: Half-threaded, 12.7mm (1/2 inch) threaded
- Reach: 19mm (3/4 inch)
- Hex Size: 5/8 inch (16mm)
- Gap Specification: 0.035 inch (0.9mm)
- Seat Type: Gasket Seat
- Terminal Type: Stud Terminal Threads
- Weight: 0.12 lbs
Additional Information:
The NGK CR9EH-9 7502 Spark Plug is an ideal choice for enthusiasts and professionals who prioritize optimal engine function and extended component life. Its advanced construction ensures reliable ignition and consistent performance, making it suitable for a wide range of high-performance motorcycle engines.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us 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.


