engine
2016 Chevrolet Silverado 1500 (4.3L EcoTec3 V6) — Spark plugs
Applies to the Chevrolet Silverado 1500 gen K2XX (2014–2018) , 4.3L EcoTec3 V6. Part numbers and timing are the same across the generation.
You keep by doing it yourself $316
Shop charges $384 · your parts $68
See parts & tools ↓ What the shop charges
- Labor (1.8 hr × $142/hr)
- $256
- Parts
- $98
- Shop fees
- $30
- Shop total
- $384
What it costs you
- Parts (retail)
- $68
- You keep
- $316
Labor rate $142/hr re-derives every page when it changes.
- Difficulty 3/5
- Time1.5–2.5 hr
- Interval100,000 mi
- First-timer OKNo
Parts you'll need
Estimated DIY parts cost: $68
- Iridium spark plug set (6) — Chevrolet Silverado 4.3L V6 Check fit & current price on Amazon
OEM AC Delco SP1036
Engine-specific — 4.3L EcoTec3 V6, 6 plugs.
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 three plugs on a V6 sit close to the firewall — a swivel socket and extension help a lot.
Video
▶ Watch the walkthrough ↗Replace spark plugs, 2014-2018 Silverado 1500.