engine
2016 Chevrolet Silverado 1500 (5.3L EcoTec3 V8) — Spark plugs
Applies to the Chevrolet Silverado 1500 gen K2XX (2014–2018) , 5.3L EcoTec3 V8. Part numbers and timing are the same across the generation.
You keep by doing it yourself $383
Shop charges $475 · your parts $92
See parts & tools ↓ What the shop charges
- Labor (2.2 hr × $142/hr)
- $312
- Parts
- $128
- Shop fees
- $35
- Shop total
- $475
What it costs you
- Parts (retail)
- $92
- You keep
- $383
Labor rate $142/hr re-derives every page when it changes.
- Difficulty 3/5
- Time1.8–3 hr
- Interval100,000 mi
- First-timer OKNo
Parts you'll need
Estimated DIY parts cost: $92
- Iridium spark plug set (8) — Chevrolet Silverado 5.3L/6.2L V8 Check fit & current price on Amazon
OEM NGK Iridium IX
Cross-ref: NGK Iridium IX
V8 requires 8 plugs — do NOT use the 6-pack listed for the 4.3L V6.
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
- Rear-bank plugs are tight. The back plugs on a V8 sit close to the firewall — a swivel socket and extension help a lot.
Video
▶ Watch the walkthrough ↗Replace spark plugs, K2XX Silverado 1500 V8.