SKU: 21052317876

NGK Spark Plug for Ford, Mazda & Volvo - ITR6F-13

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Description

NGK Spark Plug for Ford, Mazda & Volvo - ITR6F-13Vehicle Fitment & Part Details This NGK spark plug (ITR6F 13) is supplied as an OEM grade replacement. Heat range 6. Thread M14 x 1,25. Verify VIN engine before ordering. Key Details SKU ITR6F 13 Alternate Search Reference ITR6F13 Component Spark Plug Brand NGK Heat Range 6 Part MPN 4477 GTIN Barcode 087295144770 Trade Numbers ITR6F13 Product Specifications Thread Size M14 x 1,25 Thread Length [mm] 17,5 Spanner Size 16 mm Spark Position [mm] 3,5

Vehicle Fitment & Part Details

This NGK spark plug (ITR6F-13) is supplied as an OEM-grade replacement. Heat range 6. Thread M14 x 1,25. Verify VIN/engine before ordering.

Key Details

SKU
ITR6F-13
Alternate Search Reference
ITR6F13
Component
Spark Plug
Brand
NGK
Heat Range
6
Part MPN
4477
GTIN / Barcode
087295144770
Trade Numbers
ITR6F13

Product Specifications

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

Vehicle Compatibility

Common fitments include Ford (FIESTA, FOCUS, MAVERICK, MONDEO, TRANSIT); Mazda (MPV, TRIBUTE); 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

  • Ford: 3S4J 18344 AB, 13 15 691, 3S4J 12405 AB
  • Mazda: L341 18110, L3Y4 18110, L813 18110
  • Volvo: 8694 749, 30777349, 3121 6297, 3121 6525

Aftermarket Equivalents

  • Bosch: 0 242 240 620, HR 6 DPP 33 V
  • Denso: V38, VT20, 5638
Alternate OEM Search References: 3S4J18344AB, 1315691, 3S4J12405AB, L34118110, L3Y418110, L81318110

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 Ford?
This part (ITR6F-13) 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: 21052317876

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4.1 ★★★★★
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Craigdog
Lake Worth, US
★★★★★ 5
Quality product you
Model: 18 SqFt(1.7 SqM), Model: 18 SqFt(1.7 SqM)
Summary: Great quality product, priced right. Cuts and installs easy-follow the instructions people!! PRO TIP-you don’t need to cover every square inch. OVERKILL!! Think about it-when a bell rings you could put your fingers on the edge and silence it right? Same rules apply here. A strip or square will isolate the vibration and notice when placed correctly— knock on the surface and see what vibrates or what part makes the loudest drowning and that’s a good clue of where you should put a piece of this…unless you’re trying to use it for temperature insulation no need to go ape on it. If you look at the bottom of a stainless steel sink, it’s got a stripe or a small sticker of insulation that keeps it from rattling. You can do that here. What’s important to note is the instruction specifically say use a roller to roll the ribs out until it’s smooth that way you’ve got maximum adhesion. I see a lot of pictures and videos from people that finished their install and didn’t follow this simple instruction. It makes sure that it’s stuck down before you put all your paneling and carpet back in and it’s a small step with a cheap wooden roller it’s easy. I’ll say the installation with this product is a breeze. You can use sharp scissors or a blade. It does get gummy after a while, and you may need to clean off your blade or your scissors, but it cuts very well and the ribs make it easy to size in space the thickness is fantastic and the backing paper comes off quite easily. I’ve done lots of installations with Graphics emblems you name it and this product is very easy to use and represents good value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
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Shopper
Los Angeles, US
★★★★★ 5
Good stuff !
Model: 36 SqFt(3.4 SqM), Model: 36 SqFt(3.4 SqM)
This is an excellent product. Easily moldable, cuttable with good scissors or razor knife, very sticky, works great. This pack was enough to do all 4 doors on a crew max truck, and I went wild on the fronts. I used 9 peices on each rear door which was just enough, and the rest on the fronts. I doubled up layers and even used some on the back of the door panels. If you follow the instructions and dont go wild you might even have extra left over. It works just like you would imagine. Without doing the entire cab there will still be road noise but this helped noise, better audio, no buzzing door panels, terrific improvement. It is kind of heavy, so extra weight is added to truck, but that really isnt a bad thing. It is noticable but in a good way. Get it. Use it.
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Reviewed in the United States on March 20, 2026
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Odin M Turner
Belleville, US
★★★★★ 4
Good product
Model: 36 SqFt(3.4 SqM)
Easy to roll out. Works great  Why did you pick this product vs others?: Fair price for the amount of coverage, good quality  Works well: Easy to install, rolls out great. Forms to contours well
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Reviewed in the United States on July 13, 2025
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BRIAN HEATH
Louisville, US
★★★★★ 5
Great product
Model: 36 SqFt(3.4 SqM)
I used this on the doors of a Toyota Tacoma, worked as it described. Reduced the road noise significantly.. Need to buy another box for the floor and roof of the truck..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
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TimtheK
San Leandro, US
★★★★★ 5
Great product - Add foam product for complete solution
Model: 36 SqFt(3.4 SqM)
Used in two cars with speaker upgrades. Easy to install but get the roller for assured adhesion.removes "tinnyness" from large metal resonators. Use with foam absorptive material for a complete system.
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Reviewed in the United States on April 14, 2026

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