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

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

⚡Consistent ignition power

🛠️Direct OE fit & easy install

🛡️Corrosion-resistant plating

125.89 DT

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Description

⚡ Ignite your drive with NGK: The spark your engine deserves!

READY TO INSTALL - Pre-gapped and designed for hassle-free replacement—upgrade your ride in minutes.
FUEL SMART DESIGN - Optimized electrode technology improves fuel efficiency and reduces fouling.
PRECISION OEM QUALITY - Trusted NGK engineering ensures perfect fit and flawless performance every time.
RELIABLE IGNITION POWER - Advanced copper core delivers smooth starts and consistent combustion under all conditions.
DURABILITY MEETS EFFICIENCY - Corrosion-resistant plating extends spark plug life and simplifies maintenance.

NGK 6703 BPMR7A spark plugs feature a copper core and corrosion-resistant plating, engineered to OEM standards for reliable ignition, improved fuel efficiency, and long-lasting durability. Perfect for automotive and small engine applications, these plugs deliver consistent performance and easy installation, making them a top choice for professionals and enthusiasts alike.

Specifications

ASIN	B07R1QX2ZN
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#383,526 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #2,570 in Ignitions
Brand Name	NGK
Compatible with Vehicle Type	Snowmobile, UTV, Van, Watercraft
Core Material	Copper
Customer Reviews	4.8 4.8 out of 5 stars (2,419)
Gap Size	0.03 Inches
Item Highlight	Replaces 7545 7547 7813 WS7F WSR5F WSR6F WSR6F/R10 852 CJ6Y 852-1 852EZ 858-1 RCJ6Y 852ECO. 20k-30k mileage rated.
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
What Is In the Box	Two 6703 NGK Spark Plugs

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125.89 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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