Do these fit a 2004 sea doo gtx le rfi?

I had one of these. Decent ski in the day My records show it uses an NGK BR 8 ES With a gap set at .45. This should be pretty easy to find on amazon or at local parts store that is near a lake where there would be demand At $3-$4, Get extras. These engines where bad to foul plugs It was always easiest to pull the plug, throw away and replace Hope this helps, Stewart

Does it fit sea doo rxtx 300 2021

Nope. The high performance engine takes a different plug I’m not sure of the # You should be able to find it in the listings

Does it work with 2019 gtx 300 limited?

I don’t know, about 300 supercharged This plug does work on most all the others Sorry I can’t help. Should be easy to look up

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NGK 4339 DCPR8E SeaDoo 4-Tec Spark Plug Set All 130 155 185 215 255 260 RXP RXT X GTI GTX Wake GTS GTI 3 Pack

Product ID: 259648437

Details

Brand
NGK
Core material
Copper
Thread size
12mm
Top material type
Metal
Vehicle service type
Watercraft

⚡High-performance ignition

🌊Watercraft-specific fit

🔧OEM-grade reliability

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€ 50.70

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Description

⚡ Ignite your SeaDoo’s power with NGK’s trusted spark!

PRECISION OEM FIT - Engineered to match exact SeaDoo 4-Tec specs for seamless installation and peak performance.
TRIPLE PACK VALUE - Three plugs per set to keep your watercraft running smooth without frequent replacements.
PROVEN PERFORMANCE - Top-rated by thousands with a 4.8-star average, powering SeaDoo models from 130 to 260 HP.
UNMATCHED DURABILITY - Copper core design ensures long-lasting spark and consistent ignition under marine conditions.
TRUSTED GLOBAL LEADER - From the world’s largest OEM spark plug supplier, guaranteeing quality you can rely on.

The NGK 4339 DCPR8E SeaDoo 4-Tec Spark Plug Set is a premium OEM-grade ignition solution designed specifically for SeaDoo watercraft engines ranging from 130 to 260 HP. Featuring a durable copper core and precise 12mm thread size, these plugs deliver reliable, long-lasting performance in marine environments. Sold in convenient 3-packs, NGK’s spark plugs are globally recognized for quality, backed by thousands of 5-star reviews.

Specifications

ASIN	B07P9BT5LB
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#28,105 in Automotive ( See Top 100 in Automotive ) #116 in Automotive Performance Spark Plugs
Brand	NGK
Brand Name	NGK
Compatible with Vehicle Type	Watercraft
Core Material	Copper
Core material	Copper
Customer Reviews	4.8 out of 5 stars 1,546 Reviews
Manufacturer	Genuine NGK
Manufacturer Part Number	4339 DCPR8E
Model Number	4339 DCPR8E
Number of Items	3
OEM Equivalent Part Number	4339, DCPR8E
Thread Size	12mm
Thread size	12mm
Top Material Type	Metal
Top material type	Metal
UPC	680034320789
Vehicle service type	Watercraft

Reviews

し**ち

信頼できます。

すぐに届き蒸した。

16.01.2026

C**N

Great plugs ever!

Are at least 22 years I am using these plugs!

7.07.2024

E**R

Excelente

30.09.2024

C**O

Good price and quality

Good quality and value

21.04.2026

P**R

NGK!

I like NGK. Very reliable.

7.06.2026

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