Short-roof two-door pickup · 170 cu. in. inline-six (100 gross hp)

1971 Ford Bronco Pickup, 170 cu. in. six, three-speed manual

The Bronco Pickup used Ford's standard 170-cubic-inch inline-six and synchronized three-speed manual transmission.

Exact 1971 Bronco reference photograph; exact configuration not verified ·

Photo: “1971 Ford Bronco (28096997720).jpg” by Greg Gjerdingen from Willmar, USA / Wikimedia Commons, licensed under CC BY 2.0. Cropped to 16:9.

Factory configuration

What this model is

Trim: Bronco Pickup
Body style: Short-roof two-door pickup
Engine: 170 cu. in. inline-six (100 gross hp)
Transmission: Three-speed fully synchronized manual

Ford's 1971 brochure names Wagon and Pickup in regular and Sport form, identifies the 170 six as standard and 302 V8 as optional, and lists only the three-speed manual.

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: 2
Factory intervals: 2
Fitment-scoped: 2
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.

Engine oil and filter
Exact reference available
Applies to: 1971 · United States · Chilton's 1981 Bronco guide prints this cadence for the 1966–1972 model-year band. It is a period secondary compilation acknowledged as based on Ford information, not a substitute for an exact vehicle's original owner literature.
Published interval: 6,000 mi / 9,600 km / 6 months · Published 1966–1972 preventive-maintenance interval; whichever comes first.
Source: Chilton — Ford Bronco 1966–81 preventive-maintenance tables (1981 edition) · General Information and Maintenance, printed page 37 — 1966–72, 6 months/6,000 miles: crankcase, change oil and filter · checked 2026-08-24
1971 cataloged Bronco engines
K&N HP-3001
Applies to: 1971 · 170 cu. in. inline-six (100 gross hp), 302 cu. in. two-barrel V8 (205 gross hp) · United States
Source: K&N — Ford Bronco replacement oil-filter catalog · 1971 Ford Bronco engine application rows — HP-3001 · checked 2026-09-01
Verified ordering references
- Service replacementK&N HP-3001
  Qty. 1 · Spin-on engine oil filter · catalog-listed
  K&N's manufacturer catalog lists HP-3001 for the 1971 Bronco 170 cu. in. inline-six (100 gross hp) or 302 cu. in. two-barrel V8 (205 gross hp) application. Confirm the installed engine before ordering.
  Catalog: K&N — Ford Bronco replacement oil-filter catalog · 1971 Ford Bronco 170 cu. in. inline-six (100 gross hp) or 302 cu. in. two-barrel V8 (205 gross hp) oil-filter application — HP-3001 · checked 2026-09-01
  Search this part on Amazon
Chassis and driveline lubrication and level checks
Sourced interval available
Applies to: 1971 · United States · Chilton's 1981 Bronco guide prints this cadence for the 1966–1972 model-year band. It is a period secondary compilation acknowledged as based on Ford information, not a substitute for an exact vehicle's original owner literature.
Published interval: 6,000 mi / 9,600 km / 6 months · Centering yoke, steering linkage, U-joints and splines, with differential, transfer-case and transmission checks as equipped.
Source: Chilton — Ford Bronco 1966–81 preventive-maintenance tables (1981 edition) · General Information and Maintenance, printed page 37 — 1966–72, 6 months/6,000 miles chassis/driveline rows · checked 2026-08-24

Sources

Ford — 1971 Bronco factory brochure (FDT-7112)

Other 1971 configurations

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