engine
2017 Ford F-150 — Spark plugs
⚙ 3.5L V6 EcoBoostApplies to the Ford F-150 gen 13 (2015–2020) , 3.5L V6 EcoBoost. Part numbers and timing are the same across the generation.
What the shop charges
- Labor (1.5 hr × $142/hr)
- $213
- Parts
- $103
- Shop fees
- $30
- Shop total
- $346
What it costs you
- Parts (retail)
- $75
- You keep
- $271
Labor rate $142/hr re-derives every page when it changes.
- Difficulty 3/5
- Time1.5–2.5 hr
- Interval90,000 mi
- First-timer OKNo
Parts you'll need
Estimated DIY parts cost: $75
- Spark plug set (6) — Ford F-150 (3.5L EcoBoost) Check fit & current price on Amazon
OEM NGK 6509 (LTR6IX-11)
Cross-ref: NGK Iridium IX 6509
3.5L EcoBoost V6, all trims (2015-2020). Motorcraft OEM part numbers for this application have changed multiple times (SP-534/SP-580/SP-550) — NGK is the original Ford supplier and avoids this confusion. Verify by VIN if uncertain.
Price shown on this page is an estimate, not a live Amazon price.
Tools
- Metric socket set (1/2" drive) View on Amazon ↗
~$45 · reused across many jobs (estimate, not a live price)
- 1/2" drive torque wrench View on Amazon ↗
~$35 · reused across many jobs (estimate, not a live price)
- Spark plug socket (5/8" + 9/16") View on Amazon ↗
~$25 · reused across many jobs (estimate, not a live price)
- Spark plug gap gauge View on Amazon ↗
~$6 · reused across many jobs (estimate, not a live price)
Where people get stuck
- Coil boots stuck to plugs. Twist, don't yank. A seized boot tears if you pull straight up.
Video
▶ Watch the walkthrough ↗Specific to 2015-2020 3.5L V6 EcoBoost, shows torque specs on screen.