Spark Plugs Specification
Verified OEM & Service Reference1986 Chevrolet S 10 Blazer 2.5L 4-cyl — Spark Plugs
Recommended interval: Every 60,000–100,000 miles (40,000 miles on turbo engines)
Engine / Trim Variant
OEM Part Number
Verify by VIN / Amazon Garage
Quick Purchase
Check verified fitment on Amazon
Technical Specifications
| Cylinders / Plug Count | 4-cyl / 6-cyl |
|---|
Compatible Aftermarket Options
Direct OEM cross-referencesNo aftermarket cross-reference listed yet. Search directly for compatible spark plugs options:
Search 1986 Chevrolet S 10 Blazer 2.5L 4-cyl Spark Plugs on AmazonSpark Plugs Fitment by Engine / Trim (1986 Chevrolet S 10 Blazer)
| Engine / Trim | Oil Spec & Capacity | OEM Oil Filter |
|---|---|---|
| 2.5L 4-cyl | — • N/A | Verify by VIN |
| 2.8L 6-cyl | — • N/A | Verify by VIN |
DIY Fitment & Verification Checklist for 1986 Chevrolet S 10 Blazer
- Confirm your engine code or trim variant above before ordering parts, as mid-year production changes can affect spark plugs fitment.
- When purchasing OEM or aftermarket brands (Motorcraft, ACDelco, Mopar, Wix, Fram, Mobil 1, Bosch, NGK), cross-check the Amazon Garage Confirmed Fit badge with your 17-digit VIN.
- Always consult your 1986 Chevrolet S 10 Blazer owner's manual for exact torque specs and fluid service intervals.
Sources: NHTSA vPIC & OEM Service SpecificationsReport an inaccurate spec or part number
Frequently Asked Questions
What is the OEM spark plugs specification for a 1986 Chevrolet S 10 Blazer?
Check the technical specifications table above for the 1986 Chevrolet S 10 Blazer 2.5L 4-cyl spark plugs sizing and fitment details.
Which aftermarket spark plugs brands fit the 1986 Chevrolet S 10 Blazer?
Use your 17-digit VIN to confirm direct-fit aftermarket spark plugs replacements on Amazon.