1980 Ford F-150 Custom SuperCab 4x2 6.75-foot Styleside box — 4.9-liter inline-six

Service topics

5

Factory intervals

5

Fitment-scoped

5

Exact references

1

Before orderingIdentify 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.

• 01

  Engine oil

  Sourced interval available

  Applies to: 1980 · United States

  Published interval: 7,500 mi / 12,000 km / 12 months · US Schedule B maximum for engines other than the 4.9L two-wheel-drive variant; severe service is 3,000 miles or 3 months.

  Source: Ford — 1980 Truck Shop Manual, pre-delivery, maintenance, lubrication and emissions volume (preserved scan) · Part 50-29, page 50-29-4 — US Schedule B oil row and notes · checked 2026-08-24

  4.9L/300 six, two-wheel drive

  Applies to: 1980 · 4.9L / 300 cu in inline-six · United States · Two-wheel-drive F-150 with the 4.9L/300 six only; the 4x4 4.9L uses the other US Schedule B variant.

  Published interval: 10,000 mi / 16,000 km / 12 months · Whichever comes first; severe service is 3,000 miles or 3 months.

  Source: Ford — 1980 Truck Shop Manual, pre-delivery, maintenance, lubrication and emissions volume (preserved scan) · Part 50-29, page 50-29-5 — F-100/150 4.9L two-wheel-drive Schedule B notes · checked 2026-08-24

• 02

  Engine oil filter

  Exact reference available

  Motorcraft FL-1; Ford C1AZ-6731A

  Applies to: 1980 · United States · US F-150 gasoline engines except the two-wheel-drive 4.9L/300 six; the 4x4 4.9L uses this schedule.

  Published interval: 15,000 mi / 24,000 km / 12 months · Replace at the first 7,500-mile oil change and alternate oil changes; replace at every oil change if annual mileage is below 15,000.

  Source: Ford — 1980 Truck Shop Manual, pre-delivery, maintenance, lubrication and emissions volume (preserved scan) · Part 50-29, page 50-29-4 — oil-filter row and note 3 · checked 2026-08-24

  4.9L/300 six, two-wheel drive

  Applies to: 1980 · 4.9L / 300 cu in inline-six · United States · Two-wheel-drive F-150 with the 4.9L/300 six only; the 4x4 4.9L uses the other US Schedule B variant.

  Published interval: 10,000 mi / 16,000 km / 12 months · Replace with every scheduled oil change, whichever comes first.

  Source: Ford — 1980 Truck Shop Manual, pre-delivery, maintenance, lubrication and emissions volume (preserved scan) · Part 50-29, page 50-29-5 — 4.9L oil/filter row and note 3 · checked 2026-08-24

  Verified ordering references

  • Service replacementMotorcraft FL-1

    Qty. 1 · Long Life spin-on engine-oil filter · catalog-listed

    The 1980 Ford lubrication chart lists this filter for F-100 through F-350; verify the engine and any later supersession before ordering.

    Catalog: Ford — 1980 Truck Shop Manual, pre-delivery, maintenance, lubrication and emissions volume (preserved scan) · Part 50-03, page 50-03-6 — Engine Oil Filter, F-100–350, C1AZ-6731A / FL-1 · checked 2026-08-24

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  Verified ordering references

  • Service replacementMotorcraft FL-1

    Qty. 1 · Long Life spin-on engine-oil filter · catalog-listed

    The 1980 Ford lubrication chart lists this filter for F-100 through F-350; verify the engine and any later supersession before ordering.

    Catalog: Ford — 1980 Truck Shop Manual, pre-delivery, maintenance, lubrication and emissions volume (preserved scan) · Part 50-03, page 50-03-6 — Engine Oil Filter, F-100–350, C1AZ-6731A / FL-1 · checked 2026-08-24

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• 03

  Spark plugs and carburetor air-cleaner element

  Sourced interval available

  Applies to: 1980 · United States

  Published interval: 30,000 mi / 48,000 km · US Schedule B replacement interval; service the air cleaner sooner in severe dust.

  Source: Ford — 1980 Truck Shop Manual, pre-delivery, maintenance, lubrication and emissions volume (preserved scan) · Part 50-29, pages 50-29-4 and 50-29-5 — spark-plug and air-cleaner rows · checked 2026-08-24

• 04

  Engine coolant

  Sourced interval available

  Applies to: 1980 · United States

  Published interval: 52,500 mi / 84,000 km / 36 months · Schedule B maximum for engines other than the 4.9L two-wheel-drive variant, whichever comes first; inspect condition/protection annually.

  Source: Ford — 1980 Truck Shop Manual, pre-delivery, maintenance, lubrication and emissions volume (preserved scan) · Part 50-29, page 50-29-4 — coolant row and notes 5–6 · checked 2026-08-24

  4.9L/300 six, two-wheel drive

  Applies to: 1980 · 4.9L / 300 cu in inline-six · United States · Two-wheel-drive F-150 with the 4.9L/300 six only; the 4x4 4.9L uses the other US Schedule B variant.

  Published interval: 50,000 mi / 80,000 km / 36 months · Whichever comes first; inspect condition/protection annually.

  Source: Ford — 1980 Truck Shop Manual, pre-delivery, maintenance, lubrication and emissions volume (preserved scan) · Part 50-29, page 50-29-5 — coolant row and notes 5–6 · checked 2026-08-24

• 05

  Chassis and driveline lubrication

  Sourced interval available

  Applies to: 1980 · United States · US F-150 gasoline engines except the two-wheel-drive 4.9L/300 six; the 4x4 4.9L uses this schedule.

  Published interval: 7,500 mi / 12,000 km / 12 months · Lubricate the printed Schedule B fittings; off-highway and mud/water use require earlier attention.

  Source: Ford — 1980 Truck Shop Manual, pre-delivery, maintenance, lubrication and emissions volume (preserved scan) · Part 50-02, page 50-02-27 — Schedule B slip-yoke, spindle-pin, steering-linkage and clutch-linkage rows · checked 2026-08-24

  4.9L/300 six, two-wheel drive

  Applies to: 1980 · 4.9L / 300 cu in inline-six · United States · Two-wheel-drive F-150 with the 4.9L/300 six only; the 4x4 4.9L uses the other US Schedule B variant.

  Published interval: 10,000 mi / 16,000 km · Printed Schedule B chassis cadence; severe conditions require earlier service.

  Source: Ford — 1980 Truck Shop Manual, pre-delivery, maintenance, lubrication and emissions volume (preserved scan) · Part 50-02, page 50-02-28 — 4.9L two-wheel-drive Schedule B · checked 2026-08-24