Champion Spark Plug RC10YC4 (OE063/T10)
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
Champion Copper Plus Spark Plug RC10YC4 provides dependable performance and durability with a copper core electrode for enhanced conductivity and heat regulation. It offers superior corrosion resistance and is built to ISO and SAE standards. Dimensions include a 0.041 inch (1.05mm) pre-gap, 0.625 inch (15.880mm) hex size, 0.75 inch (19.05mm) reach, and 0.551 inch (14.000mm) thread diameter. Features a single ground electrode, flat seat, and crush washer. The centre electrode tip is nickel and the ground electrode core material is nickel. This is a resistor type spark plug with a non-removable nut electrical terminal. Cross reference NGK BKR5E-11.
- SKU
- 37-OE063
- Brand
- Champion Spark Plugs
- Availability
- In Stock (6)
- General Product Group
- Ignition & Electrical Parts
- General Product Type
- Spark Plug
- Variant Id
- 317871
FULL DESCRIPTION
Champion Copper Plus Spark Plug - RC10YC4
The Champion Copper Plus Spark Plug - RC10YC4 offers dependable performance and durability for your engine. Engineered by Champion, this spark plug features a copper core electrode designed to enhance conductivity and regulate heat, contributing to optimal wear resistance and a longer service life.
Key Features:
- Copper Plus Technology: Ensures dependable ignition performance and extended durability for reliable engine operation.
- Copper Core Centre Electrode: Precisely controls the heat range, promoting longer plug life and improved engine efficiency.
- Superior Corrosion Resistance: Built to withstand various operating conditions, offering enhanced longevity and reliability.
- ISO and SAE Standards Compliance: Manufactured to meet recognized industry standards for proven performance and quality assurance.
Spark Plug Specifications:
- Plug Type: RC10YC4
- Centre Electrode Tip Material: Nickel
- Pre-Gap Size: 0.041 inches (1.05 mm)
- Ground Electrode Quantity: 1
- Hex Size: 0.625 inches (15.880 mm)
- Insulator Height: 0.06 inches
- Manufacturer Heat Range: 10
- Seat Type: Flat
- Reach: 0.75 inches
- Thread Diameter: 0.551 inches (14.000 mm)
- Resistor Type: Yes
- Ground Electrode Core Material: Nickel
- Washer Included: Yes
- Classification: Champion Copper Plus
- Electrical Terminal Type: Non-Removable Nut
- Hex Type: Hex
- Washer Type: Crush
- Indexed: No
- Part Description: Spark Plug
Cross Reference Numbers:
NGK - BKR5E-11
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.


