1986 Ford F-150 XLT Lariat Regular Cab 4x2 6.75-foot Styleside box — 4.9-liter inline-six

Service topics

4

Scheduled topics

4

Applicability stated

4

Exact references

1

Before ordering Identify your engine, options and build date. Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.

• Engine oil and filterView intervals, applicability and sources

  01

  Engine oil and filter

  Exact reference available

  Applies to: 1986 · 4.9-liter inline-six, 5.0-liter EFI V8, 5.8-liter High Output V8, 4.9L inline-six · United States

  Source: Parker/Baldwin Automotive Applications — 1986 Ford F-Series engine-filter table · Ford 1986, Pickups/F-Series engine rows, PDF page 321 — gasoline engines used by the F-150 list Baldwin lube filter B2 · checked 2026-09-01

  Factory maintenance schedule

  Applies to: 1986 · 4.9L inline-six · United States · Ford prints these example intervals for the 1986 F-150 with the popular 4.9-liter inline-six. Other engines, severe duty, and configuration-specific recommendations are not claimed.

  Published interval: 7,500 mi · Factory brochure example.

  Source: Ford Division — 1986 F-Series brochure, F-150 trim, chassis, engine, transmission, and maintenance matrices (preserved PDF) · Safety and Owner Information, brochure page 25 — engine oil change each 7,500 miles · checked 2026-08-09

  4.9L inline-six, 5.0L EFI V8, 5.8L High Output V8

  Baldwin B2

  Applies to: 1986 · 4.9-liter inline-six, 5.0-liter EFI V8, 5.8-liter High Output V8 · United States

  Source: Parker/Baldwin Automotive Applications — 1986 Ford F-Series engine-filter table · Ford 1986, Pickups/F-Series engine rows, PDF page 321 — gasoline engines used by the F-150 list Baldwin lube filter B2 · checked 2026-09-01

  Verified ordering references

  • Service replacementBaldwin B2

    Qty. 1 · Full-flow spin-on engine-oil filter · catalog-listed

    Baldwin's manufacturer application catalog lists B2 for the 1986 F-Series gasoline-engine rows represented here. Confirm the installed engine and filter mounting before ordering.

    Catalog: Parker/Baldwin Automotive Applications — 1986 Ford F-Series engine-filter table · Ford 1986, Pickups/F-Series engine rows, PDF page 321 — gasoline engines used by the F-150 list Baldwin lube filter B2 · checked 2026-09-01

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• Spark plugsView intervals, applicability and sources

  02

  Spark plugs

  Sourced interval available

  Applies to: 1986 · 4.9L inline-six · United States · Ford prints these example intervals for the 1986 F-150 with the popular 4.9-liter inline-six. Other engines, severe duty, and configuration-specific recommendations are not claimed.

  Published interval: 30,000 mi · Factory brochure example.

  Source: Ford Division — 1986 F-Series brochure, F-150 trim, chassis, engine, transmission, and maintenance matrices (preserved PDF) · Safety and Owner Information, brochure page 25 — spark plug change each 30,000 miles · checked 2026-08-09

• Air filterView intervals, applicability and sources

  03

  Air filter

  Sourced interval available

  Applies to: 1986 · 4.9L inline-six · United States · Ford prints these example intervals for the 1986 F-150 with the popular 4.9-liter inline-six. Other engines, severe duty, and configuration-specific recommendations are not claimed.

  Published interval: 30,000 mi · Factory brochure example.

  Source: Ford Division — 1986 F-Series brochure, F-150 trim, chassis, engine, transmission, and maintenance matrices (preserved PDF) · Safety and Owner Information, brochure page 25 — air filter replacement each 30,000 miles · checked 2026-08-09

• Engine coolantView intervals, applicability and sources

  04

  Engine coolant

  Sourced interval available

  Applies to: 1986 · 4.9L inline-six · United States · Ford prints these example intervals for the 1986 F-150 with the popular 4.9-liter inline-six. Other engines, severe duty, and configuration-specific recommendations are not claimed.

  Published interval: 30,000 mi / 36 months · Factory brochure example; whichever comes first.

  Source: Ford Division — 1986 F-Series brochure, F-150 trim, chassis, engine, transmission, and maintenance matrices (preserved PDF) · Safety and Owner Information, brochure page 25 — engine coolant replacement each 30,000 miles or 3 years · checked 2026-08-09