# BDFHYK SP546 Iridium Spark Plugs, 8-Pack, Ford 5.4L V8

BDFHYK SP546 iridium spark plugs are listed as an 8-pack for the 2004–2008 Ford F-150 with a 5.4L V8. The listing also names other Ford and Lincoln applications, so confirm your vehicle’s year, engine and replacement-part number before ordering.

- [Original product page](https://best-deals.pro/product/bdfhyk-sp546-iridium-spark-plugs-8-pack)
- [View offer](https://best-deals.pro/visit/bdfhyk-sp546-iridium-spark-plugs-8-pack)
- Market: US
- Language: en-US
- Currency: USD
- Brand: BDFHYK
- Model: BD-05-01875-SP
- Category: Cars & Motorcycles > Auto Parts & Maintenance > Mechanical Parts
- Price: 42.28 USD
- Previous price: 46.99 USD
- Discount: 10%
- Price checked: 2026-11-13T05:24:30.217Z
- Rating: 4.5 / 5
- Reviews: 2112

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Iridium center electrodes and ceramic insulators are claimed by the manufacturer.
- The listing names a range of Ford and Lincoln applications, with fitment varying by vehicle and engine.
- Manufacturer claims an economic service life of 30000-40000 kilometers.

## Pros

- Eight plugs are listed, suitable for buyers replacing a full set on an eight-cylinder engine when fitment is confirmed.
- The listing supplies OE reference numbers SP515 and SP546 for cross-checking.

## Specifications

### Identity
- Brand: BDFHYK
- Model: BD-05-01875-SP
- Spark plug type: Iridium Spark Plug
- Core material: Iridium
- Top material: Ceramic
- Thread size: 14
### Fitment and references
- Vehicle service type: Truck
- Automotive fit type: Vehicle Specific Fit
- OEM equivalent part number: SP515, SP546
### Manufacturer claims
- Claimed service life: Economic service life of 30000-40000 kilometers
- Warranty description: 1 year warranty

## Before you buy

- Fitment is vehicle- and engine-specific. Verify the year, make, model, engine and OE number against your vehicle before purchase. The listing's compatibility claims span different models and engines, so do not assume all listed applications use the same fitment.

## In the box

- Housing (Included)

## A good fit for

- Owners confirming an applicable Ford or Lincoln vehicle and matching OE number.
- Buyers seeking an iridium-plug set for a vehicle that requires eight plugs.

## Less suited to

- Buyers who cannot verify their vehicle’s engine and OE plug reference before ordering.
- Vehicles outside the specifically confirmed fitment for this part.

## Customer feedback

Customer feedback is generally favorable on performance, fit, smooth operation, installation and value, but durability reports are mixed, including a report of plugs breaking after a few hundred miles. Feedback on pre-gapping is also mixed. Because fit is application-specific and the listing provides no gap measurement, buyers should verify fitment and gap for their engine and inspect the plugs before installation.
- Positive themes: Customers report good performance, fit and smooth operation, with some also describing installation as easy and value as favorable.
- Negative themes: Some customers report that plugs broke after a few hundred miles.
- Mixed feedback: Customer reports differ on whether the plugs arrive correctly pre-gapped.
- Mixed feedback: Durability feedback is mixed, with some saying the plugs continued working and others reporting breakage.

## Frequently asked questions

### Will these fit my Ford F-150?
The title lists the 2004–2008 F-150 with a 5.4L V8. Confirm your vehicle’s year, engine and OE plug number before buying.
### How many plugs are included?
The listing describes an 8-pack.
### What is the claimed service life?
The manufacturer claims an economic service life of 30000-40000 kilometers. This is a listing claim, not an independently verified lifespan.
### Are the plugs pre-gapped?
The supplied listing information does not confirm a gap specification. Customer feedback on pre-gapping is mixed, so inspect and verify the gap against your vehicle’s requirements.

## Alternative options

- [DG508 Ignition Coil Pack & Iridium Spark Plug SP479 Set \| Compatible with Ford 4.6L...](https://best-deals.pro/visit/bdfhyk-sp546-iridium-spark-plugs-8-pack)
- [BDFHYK 6441 Iridium Spark Plugs 8 Pack For Honda Civic 1.7L l4 2001-2005 \| Compatible with Dodge Ram 1500 2002-2010, Ram 2500 5.9L V8 1997-2002, Ram 3500 Van 5.2L V8 1999-2003, OE ZFR6FIX-11, XP5224](https://best-deals.pro/visit/bdfhyk-sp546-iridium-spark-plugs-8-pack)
- [PLA01 Ignition Coil Pack with Spark Plug for FORD LINCOLN 3.5 Turbo Models \| for 3.5T F-150 2011-2016, EXPLORER FLEX 2013-2019, TRANSIT 2015-2025, TAURUS 2013-2016, OE BL3Z12029A, BL3Z12029B, BL3Z12029C](https://best-deals.pro/visit/powerlord-pla01-uf646-ignition-coil-spark-plug-set)
- [BOSCH 9617 OE Fine Wire Double Iridium Spark Plug - Pack of 4 \| Replaces 6509 52370 900-1397 900-1448 900-1471 900-1793 924-1397 924-1448 924-1471 924-1793. Up to 100k mile typical life.](https://best-deals.pro/visit/bdfhyk-sp546-iridium-spark-plugs-8-pack)
- [BDFHYK 4 Pack Iridium Spark Plug Replacement for XP6203 SILZKR6B10E SP1040 \| Compatible with Hyundai Equus Genesis Santa Fe Sport Sonata Tucson, Compatible with Kia Optima Sorento Sportage Borrego](https://best-deals.pro/visit/bdfhyk-bd-05-07080-sp-iridium-spark-plugs)
- [Ignition Coil DG511 and Spark Plug SP515 SP546 for Ford F150 04-08 \| for Ford F250 ...](https://best-deals.pro/visit/bdfhyk-sp546-iridium-spark-plugs-8-pack)
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- [Ignition Coil Pack DG508 & Iridium Spark Plug SP479 Compatible with Ford \| For F150...](https://best-deals.pro/visit/bdfhyk-sp546-iridium-spark-plugs-8-pack)
- [SP515 SP546 Platinum Spark Plugs 8 Pack Compatible with Ford F150 5.4 2004 2005 200...](https://best-deals.pro/visit/bdfhyk-sp546-iridium-spark-plugs-8-pack)
- [Set of 6 Upgraded Ignition Coil Pack and Spark Plugs and Connector for \| Ford F150 ...](https://best-deals.pro/visit/bdfhyk-sp546-iridium-spark-plugs-8-pack)
- [Platinum Spark Plug SP546 8 Pack for Ford F-150 \| Fits Ford Expedition; Fits Lincol...](https://best-deals.pro/visit/bdfhyk-sp546-iridium-spark-plugs-8-pack)

## Add-ons

- [Marsram Ignition Coil Pack FD508 for 2005-2008 Ford F150 Expedition 5.4L V8 \| Fit for 2004 2005 2006 2007 2008 Ford F250 F350 Super Duty Mustang Lincoln Navigator 5.4L, 2006-2008 Explorer 4.6L DG511 8Pcs](https://best-deals.pro/visit/bdfhyk-sp546-iridium-spark-plugs-8-pack)

## Images

![BDFHYK SP546 Iridium Spark Plugs, 8-Pack, Ford 5.4L V8 — 1](https://best-deals.pro/i/niLQa90ekezSxaqcZw7i7jBBskY0dkEyF8wDqXEgtqc_N3a1FfGJk1KhqDAu2-Reyj9X7q7bulQro8T8Sls41WhHk0eRI4P6OL_1hihsygeMdakj3EgSUtUx.jpg)

![BDFHYK SP546 Iridium Spark Plugs, 8-Pack, Ford 5.4L V8 — 2](https://best-deals.pro/i/S1bvQhYhpEs3UD3HzmBwdehOvESBXfLnGuLUnemcvzZwCK9AHd4nPTIxKxwMdxY3Tp1Q1BOBDU9tqO8LjUcPHaF8zgNAQ1npacA4AnaYny-VLW1zmcoVcS04.jpg)

![BDFHYK SP546 Iridium Spark Plugs, 8-Pack, Ford 5.4L V8 — 3](https://best-deals.pro/i/_5Zoc4MDpTU1ZGNMRkEYUbj83jR7-HI5tX4mr8CC2-wVMsOu0Xsry3nV_KQJuK6_dOgzD0ziysoVew-HzoBA-eCnRO7R1kIZzycimUHnzZ4WP1wuwRoxJOb0.jpg)

![BDFHYK SP546 Iridium Spark Plugs, 8-Pack, Ford 5.4L V8 — 4](https://best-deals.pro/i/Uyo_SRCeUjXREcnpj-iOMwrOyxCeCPEVE74Bp6dfLuVoSRDDD8NljBm2wCPyeSzqtEl9OxXDiWQclgBFwwc-TPTiM9Cx7DLTfmrd6kshZjpNn66QoIKBrPFV.jpg)

![BDFHYK SP546 Iridium Spark Plugs, 8-Pack, Ford 5.4L V8 — 5](https://best-deals.pro/i/dyBhllTpUqlp7gt__MTcOpJgdEI3lUcski7wLbeKDWeAA5McAaySJ8DRfYgQuqO7sQuJAUjh-34EBlToBOwZb63QPLiO1mMigHbdzA5TR48IYBAKVMbiG4s7.jpg)

![BDFHYK SP546 Iridium Spark Plugs, 8-Pack, Ford 5.4L V8 — 6](https://best-deals.pro/i/oKyB30Ju6t44bzLzJoWbi7iDHb74aGd7A5aRX73MVJHuD-nQbhQ9W11j34eY-M_FObz4wvQjm9dSBO0R7Lj71whE2wpgaTSoDzwmZdww4K7UxBk7KPqsJtiE.jpg)

![BDFHYK SP546 Iridium Spark Plugs, 8-Pack, Ford 5.4L V8 — 7](https://best-deals.pro/i/f9tYPEsiBfkxnvDxvuhH8vYYAk3ukUGLvwdsabwkvqZIFLmLUXu6Cv14OKvnk91Nv6gOxHoEAO4Ael8UHaXkqWgb9dx5-smN85i34x4kL2svFCUas8EhnSL7.jpg)