SKU: 25777292189

NGK Spark Plug for Audi - BUR6EFSZ

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Description

NGK Spark Plug for Audi - BUR6EFSZVehicle Fitment & Part Details This NGK spark plug (BUR6EFSZ) is supplied as an OEM grade replacement. Heat range 6. Thread M14 x 1,25. Verify VIN engine before ordering. Key Details SKU BUR6EFSZ Component Spark Plug Brand NGK Heat Range 6 Part MPN 6837 GTIN Barcode 087295168370 Trade Numbers BUR6EFSZ Product Specifications Thread Size M14 x 1,25 Thread Length [mm] 17,5 Spanner Size 16 mm Spark Position [mm] 3,0 Electrode Construction Nickel Middle

Vehicle Fitment & Part Details

This NGK spark plug (BUR6EFSZ) is supplied as an OEM-grade replacement. Heat range 6. Thread M14 x 1,25. Verify VIN/engine before ordering.

Key Details

SKU
BUR6EFSZ
Component
Spark Plug
Brand
NGK
Heat Range
6
Part MPN
6837
GTIN / Barcode
087295168370
Trade Numbers
BUR6EFSZ

Product Specifications

Thread Size
M14 x 1,25
Thread Length [mm]
17,5
Spanner Size
16 mm
Spark Position [mm]
3,0
Electrode / Construction
Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 1 kOhm, with taper gasket seat, Fixed SAE connector
Brand Class
Premium

Vehicle Compatibility

Common fitments include Audi (100, A6, A8, V8). Always confirm the correct heat range and electrode design for your specific engine variant by VIN before ordering.

OEM Reference Numbers

Vehicle OE Numbers

  • Audi: 101 000 029 AB, 101 000 052 AA
  • Bentley: 101 000 029 AB, 101 000 052 AA
  • VW: 101 000 029 AB, 101 000 052 AA

Aftermarket Equivalents

  • Beru By Driv: Z127
  • Borgwarner (Beru): Z 144, 0002640100, 14KGR 6KQU
  • Bosch: HGR6KQC, HGR7KQC, 0242235607, 0242240569
Alternate OEM Search References: 101000029AB, 101000052AA, Z144, 14KGR6KQU

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 Audi?
This part (BUR6EFSZ) 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:
  1. 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
SKU: 25777292189

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4.5 ★★★★★
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kathleen weber
Charlottesville, US
★★★★★ 5
Comfy & cute!
Size: 7, Color: Olive Green
I had my doubts that such cute high heeled shoes could be comfy, but these were comfy right out of the box & made it through a wedding with lots of dancing. Comfy, cute & a big hit! To add: I learned that sizing up by 1/3 size works best for me for all dress shoes, and the 7 worked best for my regular 6.5 size.
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Dawn
Birmingham, US
★★★★★ 5
Perfect prom shoe
Size: 7, Color: Red, Size: 7, Color: Red
Fit well and comfortable for a night of dancing.
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Reviewed in the United States on August 22, 2025
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Madison
Boise, US
★★★★★ 5
Look just like the pictures! So cute!
Size: 8, Color: Red
i LOVE these heels! wore them for high school graduation and a formal and always get so many compliments in them. They look just like the pictures and are true to size. Comfy for heels too.
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Tired Trinity
Cuba, US
★★★★★ 3
Very cute but uncomfortable without bandaids
Size: 9.5, Color: Brown
I wore these shoes to my friends wedding and I got a lot of compliments for how cute they were. They are extremely cute shoes that fit my feet perfectly. The downside is that they became painful for me to wear after only 30 minutes of me wearing to them. During the rehearsal- were I was mostly standing in them- the pads of my feet started to hurt and by the end of the rehearsal (45 minutes later) I could barely walk in them. The day of the wedding I wore them for pictures which took 30 minutes in total and they hurt so much that when I arrived to the venue I had to put bandaids on my feet to make my feet more comfortable and to avoid blisters. Another thing I would say about these shoes is that the strings didn’t stay up after I tied them around my calf. Every time I tied them around my calf, they would slide down to my ankle within minutes. So yeah I love these shoes and they were cute despite the strings sliding down but I would highly suggest wearing something soft to cover the pads of your feet for comfort.
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