Is this the equavilent of a champion rcj6y ?

Yes, according to the cross reference.

does it fit poulan pp4018 40cc chainsaw

NGK has multiple grades of plugs that may fit your engine so it is always recommended to go to the NGK site at https://ngksparkplugs.com/en/part-finder to verify applications. This site will show you all of the available plugs to fit your engine and will also show you which grade plug is recommended for the best performance of your specific engine.

Is this equivalent to a champion dj7y

It does not appear to be so: https://www.sparkplug-crossreference.com/convert/CHAMP_PN/DJ7Y For fitment data on NGK spark plugs, their website can be found here: https://ngksparkplugs.com/en/part-finder

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NGK (6703) BPMR7A Spark Plugs Individual Boxed - 2 Pack, Copper

Product ID: 389105887

Details

Brand
NGK
Core Material
Copper
Thread Size
14mm
Top Material Type
Metal
Vehicle Service Type
Snowmobile UTV

⚡Copper core for superior conductivity

🔥High-performance ignition reliability

🔧OEM precision fit for multiple vehicle types

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Description

⚡ Ignite your ride with NGK’s copper-core spark plugs—where precision meets power!

COPPER CORE POWER - Experience enhanced electrical conductivity and consistent spark delivery with genuine copper material.
OEM PRECISION FIT - Designed specifically for snowmobiles, UTVs, vans, and watercraft to ensure seamless installation and optimal performance.
DUAL PACK CONVENIENCE - Two individually boxed spark plugs per pack, perfect for timely replacements and maintaining peak engine efficiency.
TRUSTED BRAND QUALITY - Manufactured by NGK, a global leader with a 4.8-star rating from over 2,200 users—reliability you can count on.
COMPACT DURABLE DESIGN - Measuring just 2.00 x 0.75 x 0.75 inches, these spark plugs fit snugly while enduring tough engine conditions.

The NGK BPMR7A (6703) spark plugs feature a copper core for superior conductivity and are engineered as OEM replacements for snowmobiles, UTVs, vans, and watercraft. With a compact design and trusted NGK manufacturing, these spark plugs deliver reliable ignition performance backed by a 4.8-star customer rating and come in a convenient 2-pack for easy maintenance.

Specifications

ASIN	B07R1QX2ZN
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#317,977 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #2,235 in Ignitions
Brand	NGK
Brand Name	NGK
Compatible with Vehicle Type	Snowmobile, UTV, Van, Watercraft
Core Material	Copper
Country of Origin	USA
Customer Reviews	4.8 out of 5 stars 2,253 Reviews
Item Weight	0.15 Pounds
Manufacturer	NGK SPARK PLUG CO
Manufacturer Part Number	BPMR7A
Model	6703
Number of Items	2
OEM Equivalent Part Number	BPMR7A
Thread Size	14mm
Top Material Type	Metal
UPC	682863346244
Unit Count	2.0 Count
Vehicle Service Type	Snowmobile, UTV, Van, Watercraft
What Is In the Box	Two 6703 NGK Spark Plugs

Reviews

W**.

14.04.2026

H**R

27.12.2025

M**E

1.04.2026

K**V

26.04.2026

J**Y

2.04.2026

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