How to buy an original NGK CMR6H spark plug in India?

All customs duties and Indian import taxes are pre-paid by crowcrowcrow and included in the listed INR price. These NGK CMR6H spark plugs are sourced directly from authorized US retailers and authorized brand partners, ensuring authenticity. They arrive factory-sealed and are shipped via ExpressBox with tracking for your peace of mind.

Will this NGK CMR6H spark plug fit my car?

Spark plugs are engine-specific. Match the OEM part number or a verified cross-reference for your exact make, model, engine size, and year. The listing specifies thread size (M10 x 1.0) and heat range. Compare these against your vehicle's service manual or consult NGK's official fitment guide before ordering to ensure compatibility.

What is the difference between nickel alloy, platinum, and iridium spark plugs?

Nickel alloy plugs, like the NGK CMR6H, offer reliable OE quality and are generally more economical for frequent replacement. Platinum and iridium plugs use precious metals for longer service life and more consistent spark, often specified for higher performance or extended maintenance intervals. Choose based on your engine's original equipment specification.

How long do NGK CMR6H spark plugs last?

NGK Standard nickel alloy spark plugs typically have a service life of 20,000 to 30,000 miles, depending on driving conditions and engine maintenance. For longer intervals, vehicles may require platinum or iridium plugs. Always refer to your vehicle's service manual for recommended replacement schedules.

Can I use these NGK spark plugs for performance tuning?

The NGK CMR6H is designed as an OE replacement for vehicles originally equipped with nickel alloy plugs. While it provides reliable performance, it is not specifically engineered for high-performance tuning applications that might require specialized heat ranges or precious metal electrodes for extreme conditions.

Are these NGK spark plugs pre-gapped?

NGK Standard spark plugs are often pre-gapped at the factory. However, it is crucial to verify the correct gap specification for your specific vehicle model in its service manual and check the gap before installation. Adjustments may be necessary to ensure optimal engine performance.

What does the 'CMR6H' designation mean?

The 'CMR6H' designation refers to NGK's specific spark plug design. 'C' indicates a 10mm thread size, 'M' signifies a projected insulator type, 'R' denotes a resistor plug, '6' is the heat rating (higher number means hotter plug), and 'H' indicates a specific reach and gasket type. Always match the full designation to your vehicle's requirements.

NGK CMR6H Spark Plug 4-Pack | Iridium IX Performance

About this item

NGK CMR6H Spark Plugs (3365) are imported from authorized US retailers and partners, offering a reliable OE quality replacement for your vehicle. These nickel alloy plugs are engineered for consistent performance and durability, ensuring your engine runs smoothly. All customs duties and GST are included in the listed INR price, with ExpressBox tracked delivery to your pincode.

The spark plugs feature a high-grade alumina silicate ceramic insulator for optimal dielectric performance and triple gasket sealing to prevent combustion gas leakage. A solid 98% pure copper core provides superior heat dissipation and conductivity, supporting wide heat ranges. Trivalent metal plating ensures superior corrosion and seize prevention, extending the plug's lifespan.

These NGK Standard spark plugs are recommended for vehicles originally equipped with OE nickel alloy plugs. Always verify the correct part number with your vehicle manufacturer, owner’s manual, or NGK directly before purchasing to ensure proper fitment for your specific car or truck model in India.

Key Features

This listing is for 4 CMR6H 3365 NGK Nickel Spark Plugs. Fitment information is provided in the Product Description below—always verify the correct part number with your vehicle manufacturer, owner’s manual, or NGK directly before purchasing.
Offering the quality, reliability and durability you would expect from an OEM manufacturer, NGK is known for being the world’s leading supplier of OEM spark plugs.
NGK Standard spark plugs (in the iconic NGK 'yellow box' packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design.
NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges.
Trivalent metal plating ensures superior corrosion and seize prevention. Recommended usage: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs

Why choose this product

Trusted OE Performance for Indian Roads

NGK is a world-leading supplier of OEM spark plugs, trusted for decades. These CMR6H plugs bring that same OE quality and reliability to your vehicle in India. Engineered specifically for OE applications, they ensure consistent performance and durability. Unlike generic alternatives, NGK's advanced materials like the pure copper core and alumina silicate ceramic insulator provide superior heat dissipation and dielectric strength. The trivalent metal plating offers robust protection against corrosion and seizing, ensuring easier installation and longer service life. Imported directly and cleared through customs, you receive genuine NGK quality without the grey-market uncertainty.

Who Should Buy & Who Should Skip

These NGK CMR6H spark plugs are ideal for vehicle owners in India who need to replace standard nickel alloy spark plugs. They are perfect for everyday cars and trucks where OE-level performance and reliability are desired. You should skip these if your vehicle's manufacturer specifies precious metal plugs (like platinum or iridium) as the OE fitment. Always cross-reference the part number with your vehicle's manual or NGK's official fitment guide before purchasing to ensure compatibility with your specific engine model.

How to use

Confirm the NGK CMR6H (or equivalent part number) is the correct spark plug for your vehicle's make, model, year, and engine by checking your owner's manual or NGK's official fitment guide. — Verify Fitment
Before installation, use a spark plug gap tool to measure the gap between the center and ground electrodes. Adjust it to the manufacturer's specification for your vehicle, typically found in the service manual. — Check and Adjust Gap
Carefully thread each new spark plug into its cylinder by hand to avoid cross-threading. Once finger-tight, use a torque wrench to tighten it to the manufacturer's specified torque value to ensure a proper seal. — Install Spark Plugs
Attach the spark plug wires or ignition coils to the new spark plugs securely. Ensure each wire is connected to the correct cylinder to maintain proper engine firing order. — Reconnect Wires

Example scenarios

Typical situations where NGK (3365) CMR6H Spark Plug - Pack of 4 | Vehicle Specific Fit helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

Replacing standard spark plugs in a 4-cylinder car used for daily city commutes in Mumbai.

How this product helps

The NGK CMR6H 4-pack provides OE-quality nickel alloy plugs, ensuring reliable ignition for stop-and-go traffic. The copper core aids heat dissipation, preventing overheating in congested drives. This pack covers all cylinders, offering a cost-effective replacement at ₹829 per plug per plug.

Scenario 2

Illustrative example

Where it helps

Owner of a small engine vehicle (e.g., scooter, generator) needing a durable, corrosion-resistant spark plug.

How this product helps

The trivalent metal plating on NGK CMR6H plugs offers superior corrosion and seize prevention, vital for engines exposed to humidity or infrequent use. The robust construction ensures consistent spark delivery, maintaining engine efficiency and reducing the need for frequent replacements.

Specifications

Composition

Core	98% Pure Copper
Insulator	Alumina Silicate Ceramic
Plating	Trivalent Metal

Usage

Recommended Usage	Best for vehicles with OE nickel alloy plugs. Not recommended for vehicles with factory precious metal plugs.
Thread Diameter	M10 x 1.0
Heat Range	Wide Heat Ranges
Gap Specification	Verify with vehicle manual or NGK
Cost per use	4 plugs at ₹3,314 — ₹829 per plug
Shelf life after opening	12 months
Reapplication math	N/A (Durables)
Contraindications	Vehicles requiring precious metal (platinum/iridium) OE plugs.
Allergens / common irritants	None listed

How we compare

Feature	NGK (3365) CMR6H	Others
Authenticity & Sourcing	Sourced from authorized US retailers and partners, factory-sealed, OE quality.	Varies by brand; may be grey-market imports or locally manufactured with unverified quality.
Core Material & Performance	98% Pure Copper core for superior heat dissipation and conductivity.	Often uses standard copper or lower-grade alloys; performance may vary.
Corrosion & Seize Prevention	Trivalent metal plating ensures superior corrosion and seize prevention.	Plating quality and effectiveness can differ significantly between brands.
Cost per Plug (4-pack)	4 plugs at ₹3,314 — ₹829 per plug	Local nickel alloy plugs typically range from ₹150-300 per plug.
OE Fitment Verification	Verified OE quality for specific nickel alloy applications; cross-reference required.

SKU	xpx5401
GTIN	0605349701795
Brand	NGK
Part Number	CMR6HX4
Model Name	4 pack NGK Standard 3365 Spark Plug
Item Name	NGK (3365) CMR6H Spark Plug - Pack of 4
Number of Items	4
Core Material	Copper
Material	Alloy Steel
Thread Size	M10 x 1.0
Item Weight	0.11 kg (0.24 lb)
Item Dimensions	2.4 cm x 7.9 cm x 8.1 cm (0.85 in x 3.07 in x 2.96 in)
Vehicle Fit Type	Vehicle Specific Fit
Compatible Vehicle Type	Car, Truck
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

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NGK (3365) CMR6H Spark Plug - Pack of 4 | Vehicle Specific Fit

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