Eighth-generation F-Series · 1987–1991 · 1987–1991

1991Ford F-150

A major refresh that brought rounded styling, flush headlamps, and standard fuel injection to the F-150.

Eighth-generation F-Series · 1987–1991

Photo: “1991 Ford F-150 XLT Lariat Regular Cab 4x2 in Scarlet Red & Tan Deluxe Two-Tone, Front Right (St. Ignace 2023).jpg” by Elise240SX / Wikimedia Commons, licensed under CC BY-SA 4.0. Cropped to 16:9.

The 1991 model year

Overview

Ford's preserved exact-year factory literature documents 232 1991 F-150 configuration rows across 8 cab, box, and drivetrain combinations. This eighth-generation roster keeps trim, chassis, engine, and transmission applicability explicit instead of treating option packages as separate trucks.

Specifications

Engines: 4.9-liter EFI inline-six
5.0-liter EFI V8
5.8-liter EFI V8
Transmissions: 5-speed manual overdrive, 4-speed manual, E4OD electronic 4-speed automatic overdrive, automatic overdrive
Body styles: Regular Cab 4x2 6.75-foot Styleside box, 117-inch wheelbase, Regular Cab 4x4 6.75-foot Styleside box, 117-inch wheelbase, Regular Cab 4x2 8-foot Styleside box, 133-inch wheelbase, Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase, SuperCab 4x2 6.75-foot Styleside box, 139-inch wheelbase, SuperCab 4x4 6.75-foot Styleside box, 139-inch wheelbase, SuperCab 4x2 8-foot Styleside box, 155-inch wheelbase, SuperCab 4x4 8-foot Styleside box, 155-inch wheelbase

Year over year

What changed

The 1991 research record is bounded to the engines, transmissions, bodies, trims, and drivetrains printed in that model year's Ford literature; neighboring-year combinations are not carried onto this page.

Worth knowing

Notable

The documented lineup exposes 232 orderable combinations while deliberately withholding an unsupported claim that every standalone option or regional package is a separate model.

Living with it

Reliability & ownership notes

Confirm the certification label, engine, drivetrain, wheelbase, axle ratio, and installed equipment before ordering parts or relying on towing and payload figures; corrosion, modifications, and deferred chassis service remain major survivor-specific checks.

Maintenance & service parts

Keep your 1991 F-150 on the road

Start with the service interval, then match the engine or exact version you own. Order links appear only when a catalog-backed part number is available, and every listing still needs a fitment check.

Service topics: 4
Scheduled topics: 3
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
Engine oil and filter
Sourced interval available
Applies to: 1991 · 5.0L (302 cu in) V8 · United States · This recovered schedule is scoped to the cited two-wheel-drive V8 record; other engines, four-wheel drive, GVWR packages, and configuration-specific duties are not claimed.
Published interval: 7,500 mi · Normal service.
Source: Ford — 1991 F 150 2WD Pickup V8-302 5.0L factory normal-service schedule (preserved service-manual database) · Normal Service — recurring 7,500-mile rows · checked 2026-08-05
Spark plugsView intervals, applicability and sources
Spark plugs
Sourced interval available
Applies to: 1991 · 5.0L (302 cu in) V8 · United States · This recovered schedule is scoped to the cited two-wheel-drive V8 record; other engines, four-wheel drive, GVWR packages, and configuration-specific duties are not claimed.
Published interval: 30,000 mi · Normal-service replacement interval for the cited engine.
Source: Ford — 1991 F 150 2WD Pickup V8-302 5.0L factory normal-service schedule (preserved service-manual database) · Normal Service — 30,000-mile replacement row and repeating rows where published · checked 2026-08-05
Engine coolantView intervals, applicability and sources
Engine coolant
Sourced interval available
Applies to: 1991 · 5.0L (302 cu in) V8 · United States · This recovered schedule is scoped to the cited two-wheel-drive V8 record; other engines, four-wheel drive, GVWR packages, and configuration-specific duties are not claimed.
Published interval: 30,000 mi · Normal-service replacement interval.
Source: Ford — 1991 F 150 2WD Pickup V8-302 5.0L factory normal-service schedule (preserved service-manual database) · Normal Service — recurring 30,000-mile coolant replacement rows · checked 2026-08-05
Engine air filterView intervals, applicability and sources
Engine air filter
Exact reference available
Applies to: 1991 · 4.9-liter EFI inline-six, 5.0-liter EFI V8, 5.8-liter EFI V8 · United States
Source: Walmart Business catalog — FA-1046 interchange and engine-specific F-150 fitment · Vehicle fitment — F-150 4.9L and 5.0L 1987–1996; 5.8L 1988–1996; OE interchange FA-1046 · checked 2026-08-27
4.9L inline-six, 5.0L V8, and 5.8L V8
Motorcraft FA-1046
Applies to: 1991 · 4.9-liter EFI inline-six, 5.0-liter EFI V8, 5.8-liter EFI V8 · United States
Source: Walmart Business catalog — FA-1046 interchange and engine-specific F-150 fitment · Vehicle fitment — F-150 4.9L and 5.0L 1987–1996; 5.8L 1988–1996; OE interchange FA-1046 · checked 2026-08-27
Verified ordering references
Service replacementMotorcraft FA-1046
Qty. 1 · Engine air-filter element · catalog-listed
The catalog cross-references FA-1046 for these 1991 F-150 gasoline-engine applications; confirm the VIN and installed air-cleaner housing before ordering.
Catalog: Walmart Business catalog — FA-1046 interchange and engine-specific F-150 fitment · Vehicle fitment — F-150 4.9L and 5.0L 1987–1996; 5.8L 1988–1996; OE interchange FA-1046 · checked 2026-08-27
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Collect

Bring this model year home

Find a scale model using the exact year, make, and model—not a generic generation search.

Sources

Ford Division — 1991 F-Series brochure, F-150 trim, chassis, powertrain, and Nite matrices (preserved PDF)

Other Eighth-generation F-Series years

All Eighth-generation F-Series · 1987–1991 years →

Documented lineup

Find your exact 1991 F-150

Start with a family, body style, or engine. Every card opens the facts and maintenance information for that factory version.

232factory configurations

Exact factory pairings documentedHow this lineup was verified

These source-backed records identify published body, engine, and transmission combinations. Exact pairings do not by themselves assert that every factory option or special edition is represented.

Browse 232 documented records — use the filters above to narrow the list

Custom64 exact versions

Ford F-150 Custom Regular Cab 4x2 6.75-foot Styleside box — 4.9-liter EFI inline-six

Body: Regular Cab 4x2 6.75-foot Styleside box, 117-inch wheelbase
Engine: 4.9-liter EFI inline-six
Gearbox: 5-speed manual overdrive
Built: Regular production

Overview

Specifications

What changed

Notable

Reliability & ownership notes

Keep your 1991 F-150 on the road

Bring this model year home

Sources

Ford F-150 Custom Regular Cab 4x2 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x2 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x2 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x2 6.75-foot Styleside box — 5.8-liter EFI V8

Ford F-150 Custom Regular Cab 4x4 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x4 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x4 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x4 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x4 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x4 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x4 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x4 6.75-foot Styleside box — 5.8-liter EFI V8

Ford F-150 Custom Regular Cab 4x2 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x2 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x2 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x2 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x2 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x2 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x2 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x2 8-foot Styleside box — 5.8-liter EFI V8

Ford F-150 Custom Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom Regular Cab 4x4 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x4 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x4 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x4 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom Regular Cab 4x4 8-foot Styleside box — 5.8-liter EFI V8

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

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

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

Ford F-150 Custom SuperCab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x2 6.75-foot Styleside box — 5.8-liter EFI V8

Ford F-150 Custom SuperCab 4x4 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom SuperCab 4x4 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom SuperCab 4x4 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom SuperCab 4x4 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x4 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x4 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x4 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x4 6.75-foot Styleside box — 5.8-liter EFI V8

Ford F-150 Custom SuperCab 4x2 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom SuperCab 4x2 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom SuperCab 4x2 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom SuperCab 4x2 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x2 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x2 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x2 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x2 8-foot Styleside box — 5.8-liter EFI V8

Ford F-150 Custom SuperCab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom SuperCab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom SuperCab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 Custom SuperCab 4x4 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x4 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x4 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x4 8-foot Styleside box — 5.0-liter EFI V8

Ford F-150 Custom SuperCab 4x4 8-foot Styleside box — 5.8-liter EFI V8

Ford F-150 XL Regular Cab 4x2 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 XL Regular Cab 4x2 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 XL Regular Cab 4x2 6.75-foot Styleside box — 4.9-liter EFI inline-six

Ford F-150 XL Regular Cab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 XL Regular Cab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 XL Regular Cab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 XL Regular Cab 4x2 6.75-foot Styleside box — 5.0-liter EFI V8

Ford F-150 XL Regular Cab 4x2 6.75-foot Styleside box — 5.8-liter EFI V8