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Description
NGK Spark Plug for Volvo - ILFR6K-8Vehicle Fitment & Part Details This NGK spark plug (ILFR6K 8) is supplied as an OEM grade replacement. Heat range 6. Thread M14 x 1,25. Verify VIN engine before ordering. Key Details SKU ILFR6K 8 Alternate Search Reference ILFR6K8 Component Spark Plug Brand NGK Heat Range 6 Part MPN 94040 GTIN Barcode 087295940402 Trade Numbers ILFR6K8 Product Specifications Thread Size M14 x 1,25 Thread Length [mm] 26,5 Spanner Size 16 mm Spark Position [mm] 3,5
Vehicle Fitment & Part Details
This NGK spark plug (ILFR6K-8) is supplied as an OEM-grade replacement. Heat range 6. Thread M14 x 1,25. Verify VIN/engine before ordering.
Key Details
- SKU
- ILFR6K-8
- Alternate Search Reference
- ILFR6K8
- Component
- Spark Plug
- Brand
- NGK
- Heat Range
- 6
- Part MPN
- 94040
- GTIN / Barcode
- 087295940402
- Trade Numbers
- ILFR6K8
Product Specifications
- Thread Size
- M14 x 1,25
- Thread Length [mm]
- 26,5
- Spanner Size
- 16 mm
- Spark Position [mm]
- 3,5
- Electrode / Construction
- Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
- Brand Class
- Premium
Vehicle Compatibility
Common fitments include Volvo (S80, V70). Always confirm the correct heat range and electrode design for your specific engine variant by VIN before ordering.
OEM Reference Numbers
Vehicle OE Numbers
Vehicle OE Numbers (Volvo)
- 3127 2399, 31216674
Aftermarket Equivalents
Aftermarket Equivalents (Bosch)
- 0 242 236 577, FR 7 NI 332S
Alternate OEM Search References: 31272399, 0242236577, FR7NI332S
Fitment Notes
- Always match heat range, thread size and electrode design before ordering. Verify VIN/engine.
Important: Spark plugs are not returnable, exchangeable, or refundable once fitted. Confirm you are ordering the correct part for your vehicle. Compare the new spark plug to the removed plug for thread reach, thread diameter, hex size, electrode style, gap specification, and heat range before fitting. Mismatched spark plugs can cause misfires, pre-ignition, detonation, fouling, or engine damage.
Returns Notice: Once a spark plug has been fitted or threaded into a cylinder head, it cannot be returned, exchanged, or refunded under any circumstances.
Installation / Use / Maintenance Tips
- Allow the engine to cool fully before removal - cylinder heads are easily damaged when warm.
- Use the correct deep-socket plug spanner (16 mm) and avoid impact tools.
- Inspect the existing plug for fouling, oil contamination, or worn electrodes - may indicate engine condition issues.
- Verify the gap if your supplied plug is not factory-set; consult your service manual for the correct value.
- Apply a small amount of anti-seize to the threads (sparingly) and torque to manufacturer specification.
Common Questions
Will this NGK spark plug fit my Volvo?
This part (ILFR6K-8) is listed for the applications shown on this page. Always confirm the correct heat range, thread size and electrode design against your vehicle's service manual or a parts lookup before ordering. Verify VIN/engine.
What does the NGK part code mean?
The NGK trade number encodes physical and performance characteristics - thread/reach, electrode design, heat rating, and projection. Each digit and letter has meaning in NGK's naming convention. The heat range is usually the standalone digit (e.g. BPR6ES is heat range 6).
What is the difference between this NGK plug and a Bosch / Champion / Denso equivalent?
The cross-references listed under OEM Reference Numbers are functionally equivalent for the same applications, but materials, electrode design and heat dissipation can differ slightly. NGK is OEM-supply quality and most manufacturers specify NGK or Denso as their factory plug.
How do I confirm fitment if my engine variant isn't listed?
Match the supplied thread size, reach, electrode design and heat range against your existing plug. If unsure, request fitment assistance before ordering.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Fantastic humidor
This humidor is fantastic. It holds humidity very well and is lined with real Spanish cedar, which makes a big difference. It also looks great sitting on the counter. Very happy with this purchase and would definitely recommend it.
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Reviewed in the United States on April 22, 2026
★★★★★ 5
An exceptional solution for both beginners and intermediate cigar enthusiasts
This humidor is an exceptional solution for both beginners and intermediate enthusiasts, offering high-end technical performance at an excellent value. It expertly balances superior craftsmanship with a functional, elegant design suitable for any desk or office.
Technical Engineering & Climate Control
Superior Seal: The unit features a machined internal lip—or "freshness coaming"—that creates a robust airtight seal, often producing an audible vacuum "whoosh" when opened.
Spanish Cedar Interior: Lined with genuine Spanish cedar, the box utilizes the wood's natural hygroscopic properties to buffer humidity and stabilize the internal environment.
Integrated Instrumentation: The kit includes an analog or digital hygrometer and a crystal gel humidification system. While users often find the included hygrometers require a known offset for precision, they provide a consistent visual reference for long-term maintenance.
Hardware Quality: The box is equipped with high-quality quadrant hinges and a ball-detent locking hasp that ensures the lid remains securely closed.
Design & Practicality
Capacity: Optimally sized to hold between 25 and 35 cigars, this humidor provides ample space for proper air circulation without becoming cumbersome.
Visual Display: The tempered glass top is deeply seated and sealed, allowing you to inspect your collection without disrupting the internal relative humidity (RH).
Furniture Protection: A full-coverage velvet pad on the bottom prevents the unit from slipping or scratching delicate surfaces.
All-Inclusive Starter Kit
The package serves as a comprehensive "cigar solution" by including everything needed to begin seasoning immediately:
Humidification solution and a precise dropper system.
A cedar divider to organize different cigar assortments.
Three travel storage tubes for cigars on the go.
Final Verdict: This humidor is a standout personal essential or gift, successfully executing the critical technical requirements of airtight storage and moisture buffering while maintaining a premium aesthetic.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
⭐⭐⭐⭐⭐ Technical Review: Premium Cedar Wood Glass Top Humidor (25-35 Count)
5 stars all the way! Wow! I'm speechless, but WOW! Excellent product.
This desktop humidor package is an exceptional entry-level to intermediate solution that demonstrates superior craftsmanship where it matters most: maintaining stable Relative Humidity (RH) for cigar aging and preservation. It flawlessly balances high-utility features with an elegant, display-friendly design, earning a perfect five-star rating as a standout gift or personal essential.
🔬 Technical Integrity: The Seal and The Wood
The core function of any humidor is its seal and its ability to buffer humidity changes. This unit executes both with precision:
The Airtight Seal: The box features a carefully machined lid designed with a sealed freshness coaming—a tight, internal lip that meets the box edge when closed. The result is an audible "whoosh" or vacuum sound when the lid is lifted (the "dollar bill test" typically passes with flying colors), confirming minimal air exchange. This robust seal is crucial for long-term humidity stability.
Spanish Cedar Lining: The interior is lined with genuine Spanish Cedar (Cedrela Odorata). This isn't just for aroma; cedar has a unique cell structure that is naturally hydroscopic (it absorbs and releases moisture). This acts as a humidity buffer, stabilizing the internal environment by absorbing excess moisture when RH is too high and releasing it slowly when RH drops. This buffering action is vital for consistent aging.
Capacity: The 25-35 cigar capacity (depending on cigar ring gauge) is ideal for a dedicated enthusiast or a growing collection, providing enough volume for proper air circulation without being overly bulky.
🌡️ Instrumentation and Humidification System
The integrated components simplify the critical process of humidity management.
Glass Top Display & Stability: While glass tops are sometimes criticized for being less efficient than solid wood (as wood is a better buffer than glass), this model compensates by using tempered glass that is deeply seated and sealed. This allows for visual inspection without opening the lid, a critical feature that reduces the physical disruption of the stable internal RH.
Analog Hygrometer: The included analog hygrometer is an excellent aesthetic touch. While all analog hygrometers should be calibrated immediately upon receipt, its positioning is clear and front-facing. Many users upgrade to a digital hygrometer for superior precision, but the built-in unit provides a reliable visual reference point.
Humidifier & Dropper System: The package includes a standard foam or acrylic humidifier and a dropper. This allows for precise charging with distilled water or propylene glycol solution. The inclusion of a divider helps organize the collection, ensuring proper spacing for maximum air and humidity exposure to every cigar.
🎁 Presentation and Value
The humidor's aesthetic appeal and comprehensive feature set make it a genuinely thoughtful gift.
Aesthetic Appeal: The smooth, polished exterior finish combined with the glass top makes it a beautiful piece of desk or office furniture. The overall fit and finish feel premium, with quality hinges and a solid weight.
All-Inclusive Kit: By including the box itself, the hygrometer, the humidifier, the cedar divider, and the dropper, the manufacturer provides everything needed for a new aficionado to correctly season the box and begin storage immediately.
Final Verdict: This humidor successfully executes the technical requirements of long-term cigar storage—a tight seal and Spanish cedar lining—while adding the convenience and presentation of a glass top. It is the perfect blend of form and function, offering exceptional value and performance for its class.
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Reviewed in the United States on December 23, 2025
★★★★★ 5
A Really Nice Starter or Small Humidor
This is a really nice small or starter humidor kit for someone that buys a box or small assortment of cigars and needs a place to keep them maintained while working through them over a period of time. Sized right for this need, my picture shows 20 cigars stored with plenty of room left over for 5 to 10 more.
I added my own calibrated hygrometer with the hygrometer included with the humidor. This allowed me to capture a week long stream of data showing the seasoning process of the humidor as the internal relative humidity level slowly increased as the included crystal gel humidifier added water vapor to the humidor. I did top up the humidifier with the included cigar solution over this period but very little was needed.
After a week I had a stable internal humidity level near 70% so I added 20 cigars from my well maintained collection and all is well. As long as I follow the manufacturers instructions and keep the humidor out of direct sunlight, I believe it will provide a stable long term storage environment.
Prefilled humidifier, cigar solution, travel storage tubes, dropper and instructions were all well done. One thing I'll add is the provided hygrometer can be changed from degrees C to degrees F by pushing the on-off switch twice rapidly. This is not called out in the instructions. Also, I found the provided hygrometer to be off as compared to my calibrated hygrometer. This is common and once the offset is known it can be worked around. In my case the included hygrometer was reading 4% below my test hygrometer.
Fit, finish, and build quality of the humidor was very good. It looks good on the outside and appears to be sealing very well when closed to maintain a humidified internal environment. I very much appreciate the full coverage velvet-like cushion/pad on the bottom of the humidor to keep it from scratching a softer wood surface it is placed on.
Some quick notes on the hinge and hasp hardware. The humidor includes quadrant hinges which work really well for humidors. Happy to see them included. The locking hasp does hold the lid securely closed using a ball detent locking system. Should the humidor ever become too wet or you want to let the humidor air out a bit, the hasp can be used as a lid prop to allow some outside air to enter the humidor. Added a photo of this as my description is probably lacking.
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Reviewed in the United States on January 5, 2026
★★★★★ 5
Good quality humidor
This is a nice humidor for the cigar enjoyer. It feels well made, and it works well in controlling the humidity for your cigars. It is a standard, basic humidor, which does what it needs to do. The velvet bottom makes it create for keeping it from slipping off furniture or any other holding places you may store your cigars, while also protecting it from scratches and blemishes. The package comes with the humidor solution, the humidifier, and 3 travel cases for your cigars, which is a nice inclusion. It's a great option for those that enjoy a cigar every now and then, or for storage for a celebration. DXXULL does have other options for more enthusiastic cigar smokers. Overall, it's a great option that'll work for someone who wants to store some cigars at home, and keep their quality.
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Reviewed in the United States on April 6, 2026
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