Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase · 4.9-liter EFI inline-six

1990 Ford F-150 Custom Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six

Ford's 1990 F-Series brochure lists this F-150 Custom Styleside chassis and powertrain. The Custom, XL, XLT Lariat, cab, box, drivetrain, engine, and transmission boundaries are preserved.

Exact 1990 F-150 reference photograph; exact configuration not verified ·

Photo: “1990 Ford F-150 XLT Lariat 4x2 regular cab 8' Styleside, front left, 06-24-2024.jpg” by MercurySable99 / Wikimedia Commons, licensed under CC BY-SA 4.0. Cropped to 16:9.

Factory configuration

What this model is

Trim: Custom
Body style: Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase
Engine: 4.9-liter EFI inline-six
Transmission: E4OD electronic 4-speed automatic overdrive

Compare related 1990 configurations

Compare up to twelve documented pairings, prioritizing the same engine, body, trim and gearbox as this car. This related selection is not a complete factory lineup.

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Compare 12 related configurations — current car marked

1990 Ford F-150: documented configuration differences
Configuration	Engine	Transmission	Body
Current carFord F-150 Custom Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	E4OD electronic 4-speed automatic overdrive	Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase
Ford F-150 Custom Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	5-speed manual overdrive	Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase
Ford F-150 Custom Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	4-speed manual	Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase
Ford F-150 XL Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	E4OD electronic 4-speed automatic overdrive	Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase
Ford F-150 XLT Lariat Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	E4OD electronic 4-speed automatic overdrive	Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase
Ford F-150 XL Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	5-speed manual overdrive	Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase
Ford F-150 XL Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	4-speed manual	Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase
Ford F-150 XLT Lariat Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	5-speed manual overdrive	Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase
Ford F-150 XLT Lariat Regular Cab 4x4 8-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	4-speed manual	Regular Cab 4x4 8-foot Styleside box, 133-inch wheelbase
Ford F-150 Custom Regular Cab 4x2 6.75-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	E4OD electronic 4-speed automatic overdrive	Regular Cab 4x2 6.75-foot Styleside box, 117-inch wheelbase
Ford F-150 Custom Regular Cab 4x4 6.75-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	E4OD electronic 4-speed automatic overdrive	Regular Cab 4x4 6.75-foot Styleside box, 117-inch wheelbase
Ford F-150 Custom Regular Cab 4x2 8-foot Styleside box — 4.9-liter EFI inline-six	4.9-liter EFI inline-six	E4OD electronic 4-speed automatic overdrive	Regular Cab 4x2 8-foot Styleside box, 133-inch wheelbase

Configuration-specific ownership

Maintenance for this exact configuration

These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.

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
Engine oil and filter
Sourced interval available
Applies to: 1990 · 4.9L EFI inline-six · United States · Ford prints these examples specifically for a 1990 F-150 4x2 with the 4.9-liter six; other engines, 4x4 use, and severe duty are not claimed.
Published interval: 7,500 mi / 6 months · Normal maintenance example.
Source: Ford Division — 1990 F-Series brochure, F-150 trim, chassis, powertrain, and maintenance matrices (preserved PDF) · Scheduled Maintenance, brochure page 23 — each 7,500 miles or 6 months · checked 2026-08-09
Spark plugsView intervals, applicability and sources
Spark plugs
Sourced interval available
Applies to: 1990 · 4.9L EFI inline-six · United States · Ford prints these examples specifically for a 1990 F-150 4x2 with the 4.9-liter six; other engines, 4x4 use, and severe duty are not claimed.
Published interval: 30,000 mi · Normal maintenance example.
Source: Ford Division — 1990 F-Series brochure, F-150 trim, chassis, powertrain, and maintenance matrices (preserved PDF) · Scheduled Maintenance, brochure page 23 — each 30,000 miles · checked 2026-08-09
Air filterView intervals, applicability and sources
Air filter
Exact reference available
Applies to: 1990 · 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 factory maintenance example
Applies to: 1990 · 4.9L EFI inline-six · United States · Ford prints these examples specifically for a 1990 F-150 4x2 with the 4.9-liter six; other engines, 4x4 use, and severe duty are not claimed.
Published interval: 30,000 mi · Normal maintenance example.
Source: Ford Division — 1990 F-Series brochure, F-150 trim, chassis, powertrain, and maintenance matrices (preserved PDF) · Scheduled Maintenance, brochure page 23 — each 30,000 miles · checked 2026-08-09
4.9L inline-six, 5.0L V8, and 5.8L V8
Motorcraft FA-1046
Applies to: 1990 · 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 1990 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
Search this part on Amazon
Engine coolantView intervals, applicability and sources
Engine coolant
Sourced interval available
Applies to: 1990 · 4.9L EFI inline-six · United States · Ford prints these examples specifically for a 1990 F-150 4x2 with the 4.9-liter six; other engines, 4x4 use, and severe duty are not claimed.
Published interval: 30,000 mi / 36 months · Normal maintenance example.
Source: Ford Division — 1990 F-Series brochure, F-150 trim, chassis, powertrain, and maintenance matrices (preserved PDF) · Scheduled Maintenance, brochure page 23 — each 30,000 miles or 3 years · checked 2026-08-09

Search results may cover different scales, trims and model years. Check each listing; this search does not establish an exact replica of the documented vehicle.

Sources

Ford Division — 1990 F-Series brochure, F-150 trim, chassis, powertrain, and maintenance matrices (preserved PDF)

Other 1990 configurations

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