Are these ngk 3521 cr9eix iridium ix spark plugs?

These are correct and they perform flawlessly! Ron

Will these fit a 2019 polaris rzr turbo s

To be safe: check with dealer or a cross reference app to be sure. Ron

Will this work on my Harley Davidson 2018 street glide special?

I have a 2017 Road King with the Milwaukee 8 and this is the one it calls for.

Are these the right iridium plugs for an Indian scout 60?

NGK has multiple grades of plugs that may fit your engine. It is recommended to go to NGK site at https://ngksparkplugs.com/en/part-finder to verify the applications that will fit your engine. 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.

Ngk Cr9eix Iridium Ix Spark Plug 4 Pack

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

MX$4364

Duties & taxes included

In stock

Sold byAmazon MexicoDelivered 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 Mexico.

Secure transaction

Description

⚡ Ignite your drive with NGK Iridium IX – where performance meets precision!

MADE IN THE USA - Proudly manufactured domestically, guaranteeing top-tier quality and reliability.
PRECISION OEM FIT - Engineered to exact NGK specs ensuring hassle-free installation and optimal performance.
DURABILITY THAT LASTS - Iridium construction resists wear and corrosion, extending spark plug life significantly.
TRUSTED BY PROFESSIONALS - Rated 4.8/5 by 571 users who noticed a night-and-day difference in engine response.
UNMATCHED IGNITION POWER - Iridium tip delivers superior spark for smoother starts and better fuel efficiency.

The NGK CR9EIX Iridium IX spark plug is a premium OEM replacement part featuring a durable iridium tip for enhanced ignition efficiency and longevity. Made in the USA, it offers a precise 10mm thread fit compatible with a wide range of cars. With a stellar 4.8-star rating from over 570 reviews, it’s the go-to choice for drivers seeking reliable, high-performance spark plugs that transform engine responsiveness and fuel economy.

Specifications

ASIN	B004SKYAWM
Best Sellers Rank	#391,557 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #2,634 in Ignitions
Brand	NGK
Brand Name	NGK
Compatible with Vehicle Type	Car
Core Material	Iridium
Country of Origin	USA
Customer Reviews	4.8 out of 5 stars 571 Reviews
Item Weight	0.28 Pounds
Manufacturer	NGK
Manufacturer Part Number	CR9EIX
Model	3521
Number of Items	1
OEM Equivalent Part Number	7085731
Thread Size	10mm
Top Material Type	Iridium
Unit Count	1.0 Count
Vehicle Service Type	Car
What Is In the Box	3521

Reviews

S**T

Value

Good item would buy again

23.08.2024

C**S

Highly recommended

Excellent night and day difference from regular plugs

2.07.2026

O**O

Pésimo material

Muy mala calidad del producto original.

24.06.2026

D**D

Great maintenance item. Performs great!

Excellent for my ‘23 HD Road Glide Special. Put a little anti seize and dielectric grease. Easy to install, 25 min job and the bike runs like it should!

28.07.2026

P**1

Real Deal.

Real Deal. As Advertised. Good Seller.

29.06.2026

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

MX$4364

Duties & taxes included

In stock

Sold byAmazon MexicoDelivered 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 Mexico.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago