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1984 Ford F-150 Pickup Oil Capacity, Types, & Filters

Your ultimate DIY maintenance guide for the 1984 Ford F-150 Pickup oil change is here! No more searching – find all the critical oil specs for your 1984 Ford F-150 Pickup, including exact engine oil capacity, the manufacturer recommended oil viscosity and type, and the correct OEM and aftermarket oil filters.

We cover all available engine options categorized by their specific engine codes, ensuring you get pinpoint accuracy for your specific vehicle configuration. Keep reading to discover everything required for a successful 1984 Ford F-150 Pickup oil change!

Scroll Table ➜

Engine & CodeOil CapacityOil Viscosity/TypeOil Filter
4.9L 6-cylinder [9] 9N/AN/AFord FL-1-A
4.9L 6-cylinder [Y] Y6 quarts (with filter)SAE 5W-30 (All TEMPS)Ford FL-1-A
5.0L 8-cylinder [F] F6 quarts (with filter)SAE 5W-30 (All TEMPS)Ford FL-1-A
5.8L 8-cylinder [G] G6 quarts (with filter)SAE 5W-30 (All TEMPS)Ford FL-1-A
5.8L 8-cylinder [H] HN/AN/AFord FL-1-A
6.9L 8-cylinder [1] 1 Diesel9.8 quarts (with filter)SAE 10W-30 (Below 32°C)
SAE 15W-40 (Above -18°C)
SAE 20W-20 (-12 To 21°C)
SAE 20W-40 (Above -12°C)
30 (Above 0°C)		Ford FL-784-A
Ford E3TZ6731B

Select Your 1984 Ford F-150 Pickup Engine Option

4.9L 6-cylinder Engine Code [9] 9

Engine:

4.9L 6-cylinder [9] 9 [aka 4.9L L6 (Gas/LPG)]

Body & Trims:

Base, XL, XLT

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

OEM Oil Filter:

Ford FL-1-A

Oil Filter Replaces:

E7TZ-6731-A

1984 Ford F-150 Pickup 4.9L 6-cylinder [9] 9 oil change details

Oil Grade:

N/A

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

Name of Oil Filter:

N/A

Wix Oil Filter:

51515-EA

Wix Air Filter:

N/A

Coolant Capacity:

N/A

Oil Drain Plug Torque:

N/A

Notes:

N/A

How much oil does the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([9] 9) take?

A complete oil change for the 1984 Ford F-150 Pickup 4.9L 6-cylinder (with engine code [9] 9) requires the precise volume listed in your owner’s manual of engine oil. To ensure safety and performance, always verify the level on the dipstick after refilling.

What type of oil is recommended for the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([9] 9)?

For optimal engine longevity, the manufacturer recommended motor oil for the 1984 Ford F-150 Pickup 4.9L 6-cylinder is using:

the specific viscosity grade listed on your oil cap or owner’s manual.

Ensure the oil you choose meets the appropriate API or manufacturer OEM standard.

What is the best oil filter for the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([9] 9)?

The factory-recommended OEM oil filter for the 1984 Ford F-150 Pickup 4.9L 6-cylinder is the Ford FL-1-A. If you prefer a top-tier aftermarket option, the Wix 51515-EA is an excellent choice.

What is the oil drain plug torque spec for the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([9] 9)?

To prevent leaks or stripped oil pan threads, the drain plug on the 1984 Ford F-150 Pickup 4.9L 6-cylinder should be tightened to exactly the factory specified ft-lbs and we also recommend installing a new crush washer with every oil change.

What is the correct air filter for the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([9] 9)?

For optimal engine performance and clean airflow, the recommended engine air filter replacement for the 1984 Ford F-150 Pickup 4.9L 6-cylinder is the Wix or other equivalent found in air filter cross-reference catalog for this trim compatible with your intake system. It is a good maintenance habit to inspect this filter during every oil change.

What is the coolant capacity for the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([9] 9)?

The total engine coolant (antifreeze) capacity for the 1984 Ford F-150 Pickup 4.9L 6-cylinder is:

determined by your specific installed cooling package

Always ensure you use the manufacturer-approved coolant color and type to prevent internal corrosion.

4.9L 6-cylinder Engine Code [Y] Y

Engine:

4.9L 6-cylinder [Y] Y [aka 4.9L L6 (Gas/LPG)]

Body & Trims:

Base, XL, XLT

Oil Capacity:

6 quarts (with filter)

Oil Viscosity/Type:

SAE 5W-30 (All TEMPS)

OEM Oil Filter:

Ford FL-1-A

Oil Filter Replaces:

E7TZ-6731-A

1984 Ford F-150 Pickup 4.9L 6-cylinder [Y] Y oil change details

Oil Grade:

API*

Oil Capacity:

6 quarts. (with filter). Capacity is with the filter installed. When refilling, remove the dipstick to provide proper venting and allow oil to flow into the crankcase smoothly. After refilling, check the oil level and add more if needed.

Oil Viscosity/Type:

SAE 5W-30 (All TEMPS)

Name of Oil Filter:

N/A

Wix Oil Filter:

51515-EA

Wix Air Filter:

N/A

Coolant Capacity:

13.7 quarts - For models with Extra Capacity (XC).
13.7 quarts - For models WithOut Air Conditioning (AC).
12.7 quarts - For models with Air Conditioning (AC).

Oil Drain Plug Torque:

15-25 ft/lbs (Oil Drain Plug)

Notes:

N/A

How much oil does the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([Y] Y) take?

A complete oil change for the 1984 Ford F-150 Pickup 4.9L 6-cylinder (with engine code [Y] Y) requires 6 quarts (with filter) of engine oil. To ensure safety and performance, always verify the level on the dipstick after refilling.

What type of oil is recommended for the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([Y] Y)?

For optimal engine longevity, the manufacturer recommended motor oil for the 1984 Ford F-150 Pickup 4.9L 6-cylinder is using:

SAE 5W-30 (All TEMPS)

Ensure the oil you choose meets the API* standard.

What is the best oil filter for the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([Y] Y)?

The factory-recommended OEM oil filter for the 1984 Ford F-150 Pickup 4.9L 6-cylinder is the Ford FL-1-A. If you prefer a top-tier aftermarket option, the Wix 51515-EA is an excellent choice.

What is the oil drain plug torque spec for the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([Y] Y)?

To prevent leaks or stripped oil pan threads, the drain plug on the 1984 Ford F-150 Pickup 4.9L 6-cylinder should be tightened to exactly 15-25 ft/lbs (Oil Drain Plug) and we also recommend installing a new crush washer with every oil change.

What is the correct air filter for the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([Y] Y)?

For optimal engine performance and clean airflow, the recommended engine air filter replacement for the 1984 Ford F-150 Pickup 4.9L 6-cylinder is the Wix or other equivalent found in air filter cross-reference catalog for this trim compatible with your intake system. It is a good maintenance habit to inspect this filter during every oil change.

What is the coolant capacity for the 1984 Ford F-150 Pickup 4.9L 6-cylinder ([Y] Y)?

The total engine coolant (antifreeze) capacity for the 1984 Ford F-150 Pickup 4.9L 6-cylinder is:

13.7 quarts - For models with Extra Capacity (XC).
13.7 quarts - For models WithOut Air Conditioning (AC).
12.7 quarts - For models with Air Conditioning (AC).

Always ensure you use the manufacturer-approved coolant color and type to prevent internal corrosion.

5.0L 8-cylinder Engine Code [F] F

Engine:

5.0L 8-cylinder [F] F [aka 5.0L V8 (Gas)]

Body & Trims:

Base, XL, XLT

Oil Capacity:

6 quarts (with filter)

Oil Viscosity/Type:

SAE 5W-30 (All TEMPS)

OEM Oil Filter:

Ford FL-1-A

Oil Filter Replaces:

E7TZ-6731-A

1984 Ford F-150 Pickup 5.0L 8-cylinder [F] F oil change details

Oil Grade:

API*

Oil Capacity:

6 quarts. (with filter). Capacity is with the filter installed. When refilling, remove the dipstick to provide proper venting and allow oil to flow into the crankcase smoothly. After refilling, check the oil level and add more if needed.

Oil Viscosity/Type:

SAE 5W-30 (All TEMPS)

Name of Oil Filter:

N/A

Wix Oil Filter:

51515-EA

Wix Air Filter:

N/A

Coolant Capacity:

13.7 quarts - For models with Extra Capacity (XC).
13.3 quarts - For models WithOut Extra Capacity (XC).
13.7 quarts - For models with Air Conditioning (AC).

Oil Drain Plug Torque:

15-25 ft/lbs (Oil Drain Plug)

Notes:

N/A

How much oil does the 1984 Ford F-150 Pickup 5.0L 8-cylinder ([F] F) take?

A complete oil change for the 1984 Ford F-150 Pickup 5.0L 8-cylinder (with engine code [F] F) requires 6 quarts (with filter) of engine oil. To ensure safety and performance, always verify the level on the dipstick after refilling.

What type of oil is recommended for the 1984 Ford F-150 Pickup 5.0L 8-cylinder ([F] F)?

For optimal engine longevity, the manufacturer recommended motor oil for the 1984 Ford F-150 Pickup 5.0L 8-cylinder is using:

SAE 5W-30 (All TEMPS)

Ensure the oil you choose meets the API* standard.

What is the best oil filter for the 1984 Ford F-150 Pickup 5.0L 8-cylinder ([F] F)?

The factory-recommended OEM oil filter for the 1984 Ford F-150 Pickup 5.0L 8-cylinder is the Ford FL-1-A. If you prefer a top-tier aftermarket option, the Wix 51515-EA is an excellent choice.

What is the oil drain plug torque spec for the 1984 Ford F-150 Pickup 5.0L 8-cylinder ([F] F)?

To prevent leaks or stripped oil pan threads, the drain plug on the 1984 Ford F-150 Pickup 5.0L 8-cylinder should be tightened to exactly 15-25 ft/lbs (Oil Drain Plug) and we also recommend installing a new crush washer with every oil change.

What is the correct air filter for the 1984 Ford F-150 Pickup 5.0L 8-cylinder ([F] F)?

For optimal engine performance and clean airflow, the recommended engine air filter replacement for the 1984 Ford F-150 Pickup 5.0L 8-cylinder is the Wix or other equivalent found in air filter cross-reference catalog for this trim compatible with your intake system. It is a good maintenance habit to inspect this filter during every oil change.

What is the coolant capacity for the 1984 Ford F-150 Pickup 5.0L 8-cylinder ([F] F)?

The total engine coolant (antifreeze) capacity for the 1984 Ford F-150 Pickup 5.0L 8-cylinder is:

13.7 quarts - For models with Extra Capacity (XC).
13.3 quarts - For models WithOut Extra Capacity (XC).
13.7 quarts - For models with Air Conditioning (AC).

Always ensure you use the manufacturer-approved coolant color and type to prevent internal corrosion.

5.8L 8-cylinder Engine Code [G] G

Engine:

5.8L 8-cylinder [G] G [aka 5.8L V8 (Gas)]

Body & Trims:

Base, XL, XLT

Oil Capacity:

6 quarts (with filter)

Oil Viscosity/Type:

SAE 5W-30 (All TEMPS)

OEM Oil Filter:

Ford FL-1-A

Oil Filter Replaces:

E7TZ-6731-A

1984 Ford F-150 Pickup 5.8L 8-cylinder [G] G oil change details

Oil Grade:

API*

Oil Capacity:

6 quarts. (with filter). Capacity is with the filter installed. When refilling, remove the dipstick to provide proper venting and allow oil to flow into the crankcase smoothly. After refilling, check the oil level and add more if needed.

Oil Viscosity/Type:

SAE 5W-30 (All TEMPS)

Name of Oil Filter:

N/A

Wix Oil Filter:

51515-EA

Wix Air Filter:

N/A

Coolant Capacity:

15.9 quarts - For models with Extra Capacity (XC).
14.8 quarts - For models WithOut Extra Capacity (XC).
15.9 quarts - For models with Air Conditioning (AC).

Oil Drain Plug Torque:

15-25 ft/lbs (Oil Drain Plug)

Notes:

N/A

How much oil does the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([G] G) take?

A complete oil change for the 1984 Ford F-150 Pickup 5.8L 8-cylinder (with engine code [G] G) requires 6 quarts (with filter) of engine oil. To ensure safety and performance, always verify the level on the dipstick after refilling.

What type of oil is recommended for the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([G] G)?

For optimal engine longevity, the manufacturer recommended motor oil for the 1984 Ford F-150 Pickup 5.8L 8-cylinder is using:

SAE 5W-30 (All TEMPS)

Ensure the oil you choose meets the API* standard.

What is the best oil filter for the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([G] G)?

The factory-recommended OEM oil filter for the 1984 Ford F-150 Pickup 5.8L 8-cylinder is the Ford FL-1-A. If you prefer a top-tier aftermarket option, the Wix 51515-EA is an excellent choice.

What is the oil drain plug torque spec for the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([G] G)?

To prevent leaks or stripped oil pan threads, the drain plug on the 1984 Ford F-150 Pickup 5.8L 8-cylinder should be tightened to exactly 15-25 ft/lbs (Oil Drain Plug) and we also recommend installing a new crush washer with every oil change.

What is the correct air filter for the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([G] G)?

For optimal engine performance and clean airflow, the recommended engine air filter replacement for the 1984 Ford F-150 Pickup 5.8L 8-cylinder is the Wix or other equivalent found in air filter cross-reference catalog for this trim compatible with your intake system. It is a good maintenance habit to inspect this filter during every oil change.

What is the coolant capacity for the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([G] G)?

The total engine coolant (antifreeze) capacity for the 1984 Ford F-150 Pickup 5.8L 8-cylinder is:

15.9 quarts - For models with Extra Capacity (XC).
14.8 quarts - For models WithOut Extra Capacity (XC).
15.9 quarts - For models with Air Conditioning (AC).

Always ensure you use the manufacturer-approved coolant color and type to prevent internal corrosion.

5.8L 8-cylinder Engine Code [H] H

Engine:

5.8L 8-cylinder [H] H [aka 5.8L V8 (Gas)]

Body & Trims:

Base, XL, XLT

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

OEM Oil Filter:

Ford FL-1-A

Oil Filter Replaces:

E7TZ-6731-A

1984 Ford F-150 Pickup 5.8L 8-cylinder [H] H oil change details

Oil Grade:

N/A

Oil Capacity:

N/A

Oil Viscosity/Type:

N/A

Name of Oil Filter:

N/A

Wix Oil Filter:

51515-EA

Wix Air Filter:

N/A

Coolant Capacity:

N/A

Oil Drain Plug Torque:

N/A

Notes:

N/A

How much oil does the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([H] H) take?

A complete oil change for the 1984 Ford F-150 Pickup 5.8L 8-cylinder (with engine code [H] H) requires the precise volume listed in your owner’s manual of engine oil. To ensure safety and performance, always verify the level on the dipstick after refilling.

What type of oil is recommended for the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([H] H)?

For optimal engine longevity, the manufacturer recommended motor oil for the 1984 Ford F-150 Pickup 5.8L 8-cylinder is using:

the specific viscosity grade listed on your oil cap or owner’s manual.

Ensure the oil you choose meets the appropriate API or manufacturer OEM standard.

What is the best oil filter for the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([H] H)?

The factory-recommended OEM oil filter for the 1984 Ford F-150 Pickup 5.8L 8-cylinder is the Ford FL-1-A. If you prefer a top-tier aftermarket option, the Wix 51515-EA is an excellent choice.

What is the oil drain plug torque spec for the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([H] H)?

To prevent leaks or stripped oil pan threads, the drain plug on the 1984 Ford F-150 Pickup 5.8L 8-cylinder should be tightened to exactly the factory specified ft-lbs and we also recommend installing a new crush washer with every oil change.

What is the correct air filter for the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([H] H)?

For optimal engine performance and clean airflow, the recommended engine air filter replacement for the 1984 Ford F-150 Pickup 5.8L 8-cylinder is the Wix or other equivalent found in air filter cross-reference catalog for this trim compatible with your intake system. It is a good maintenance habit to inspect this filter during every oil change.

What is the coolant capacity for the 1984 Ford F-150 Pickup 5.8L 8-cylinder ([H] H)?

The total engine coolant (antifreeze) capacity for the 1984 Ford F-150 Pickup 5.8L 8-cylinder is:

determined by your specific installed cooling package

Always ensure you use the manufacturer-approved coolant color and type to prevent internal corrosion.

6.9L 8-cylinder Engine Code [1] 1 Diesel

Engine:

6.9L 8-cylinder [1] 1 Diesel [aka 6.9L V8 (Diesel)]

Body & Trims:

Base, XL, XLT

Oil Capacity:

9.8 quarts (with filter)

Oil Viscosity/Type:

SAE 10W-30 (Below 32°C)
SAE 15W-40 (Above -18°C)
SAE 20W-20 (-12 To 21°C)
SAE 20W-40 (Above -12°C)
30 (Above 0°C)

OEM Oil Filter:

Ford FL-784-A and Ford E3TZ6731B

Oil Filter Replaces:

E3TZ-6731-A, FL-784

1984 Ford F-150 Pickup 6.9L 8-cylinder [1] 1 Diesel oil change details

Oil Grade:

CH-4

Oil Capacity:

9.8 quarts. (with filter). Capacity is with the filter installed. When refilling, remove the dipstick to provide proper venting and allow oil to flow into the crankcase smoothly. After refilling, check the oil level and add more if needed.

Oil Viscosity/Type:

SAE 10W-30 (Below 32°C)
SAE 15W-40 (Above -18°C)
SAE 20W-20 (-12 To 21°C)
SAE 20W-40 (Above -12°C)
30 (Above 0°C)

Name of Oil Filter:

N/A

Wix Oil Filter:

51742-EA

Wix Air Filter:

N/A

Coolant Capacity:

30.6 quarts

Oil Drain Plug Torque:

28 ft/lbs (Oil Drain Plug)

Notes:

N/A

How much oil does the 1984 Ford F-150 Pickup 6.9L 8-cylinder ([1] 1 Diesel) take?

A complete oil change for the 1984 Ford F-150 Pickup 6.9L 8-cylinder (with engine code [1] 1 Diesel) requires 9.8 quarts (with filter) of engine oil. To ensure safety and performance, always verify the level on the dipstick after refilling.

What type of oil is recommended for the 1984 Ford F-150 Pickup 6.9L 8-cylinder ([1] 1 Diesel)?

For optimal engine longevity, the manufacturer recommended motor oil for the 1984 Ford F-150 Pickup 6.9L 8-cylinder is using:

SAE 10W-30 (Below 32°C)
SAE 15W-40 (Above -18°C)
SAE 20W-20 (-12 To 21°C)
SAE 20W-40 (Above -12°C)
30 (Above 0°C)

Ensure the oil you choose meets the CH-4 standard.

What is the best oil filter for the 1984 Ford F-150 Pickup 6.9L 8-cylinder ([1] 1 Diesel)?

The factory-recommended OEM oil filter for the 1984 Ford F-150 Pickup 6.9L 8-cylinder is the Ford FL-784-A or Ford E3TZ6731B. If you prefer a top-tier aftermarket option, the Wix 51742-EA is an excellent choice.

What is the oil drain plug torque spec for the 1984 Ford F-150 Pickup 6.9L 8-cylinder ([1] 1 Diesel)?

To prevent leaks or stripped oil pan threads, the drain plug on the 1984 Ford F-150 Pickup 6.9L 8-cylinder should be tightened to exactly 28 ft/lbs (Oil Drain Plug) and we also recommend installing a new crush washer with every oil change.

What is the correct air filter for the 1984 Ford F-150 Pickup 6.9L 8-cylinder ([1] 1 Diesel)?

For optimal engine performance and clean airflow, the recommended engine air filter replacement for the 1984 Ford F-150 Pickup 6.9L 8-cylinder is the Wix or other equivalent found in air filter cross-reference catalog for this trim compatible with your intake system. It is a good maintenance habit to inspect this filter during every oil change.

What is the coolant capacity for the 1984 Ford F-150 Pickup 6.9L 8-cylinder ([1] 1 Diesel)?

The total engine coolant (antifreeze) capacity for the 1984 Ford F-150 Pickup 6.9L 8-cylinder is:

30.6 quarts

Always ensure you use the manufacturer-approved coolant color and type to prevent internal corrosion.

People also ask – 1984 Ford F-150 Pickup

What is the oil capacity of a 1984 Ford F-150 Pickup?

Depending on the specific engine option, the 1984 Ford F-150 Pickup oil capacity ranges from 6 to 9.8 quarts. Here is the exact oil capacity breakdown for each available engine configuration:

• 4.9L 6-cylinder ([9] 9): Check Owner's Manual
• 4.9L 6-cylinder ([Y] Y): 6 quarts. (with filter). Capacity is with the filter installed. When refilling, remove the dipstick to provide proper venting and allow oil to flow into the crankcase smoothly. After refilling, check the oil level and add more if needed.
• 5.0L 8-cylinder ([F] F): 6 quarts. (with filter). Capacity is with the filter installed. When refilling, remove the dipstick to provide proper venting and allow oil to flow into the crankcase smoothly. After refilling, check the oil level and add more if needed.
• 5.8L 8-cylinder ([G] G): 6 quarts. (with filter). Capacity is with the filter installed. When refilling, remove the dipstick to provide proper venting and allow oil to flow into the crankcase smoothly. After refilling, check the oil level and add more if needed.
• 5.8L 8-cylinder ([H] H): Check Owner's Manual
• 6.9L 8-cylinder ([1] 1 Diesel): 9.8 quarts. (with filter). Capacity is with the filter installed. When refilling, remove the dipstick to provide proper venting and allow oil to flow into the crankcase smoothly. After refilling, check the oil level and add more if needed.

Always check your dipstick after refilling to ensure the proper level.

What type of oil does a 1984 Ford F-150 Pickup use?

Across its 6 available engine configurations, the 1984 Ford F-150 Pickup uses the following motor oil viscosities: SAE 5W-30 (All TEMPS) and SAE 10W-30 (Below 32°C)SAE 15W-40 (Above -18°C)SAE 20W-20 (-12 To 21°C)SAE 20W-40 (Above -12°C) 30 (Above 0°C). Using the correct manufacturer-approved oil weight is crucial for engine health. Here are the specific oil type requirements by engine:

• 4.9L 6-cylinder ([9] 9):
Grade: OEM Standard
See Cap or Owner's Manual

• 4.9L 6-cylinder ([Y] Y):
Grade: API*
SAE 5W-30 (All TEMPS)

• 5.0L 8-cylinder ([F] F):
Grade: API*
SAE 5W-30 (All TEMPS)

• 5.8L 8-cylinder ([G] G):
Grade: API*
SAE 5W-30 (All TEMPS)

• 5.8L 8-cylinder ([H] H):
Grade: OEM Standard
See Cap or Owner's Manual

• 6.9L 8-cylinder ([1] 1 Diesel):
Grade: CH-4
SAE 10W-30 (Below 32°C)
SAE 15W-40 (Above -18°C)
SAE 20W-20 (-12 To 21°C)
SAE 20W-40 (Above -12°C)
30 (Above 0°C)

What is the best oil filter for the 1984 Ford F-150 Pickup?

The proper oil filter depends on your exact engine code. The 1984 Ford F-150 Pickup utilizes the following premium aftermarket Wix oil filters across its lineup: 51515-EA and 51742-EA. Here is the specific OEM and aftermarket filter data for each engine:

• 4.9L 6-cylinder ([9] 9):
OEM Filter: Ford FL-1-A
Wix Filter: 51515-EA

• 4.9L 6-cylinder ([Y] Y):
OEM Filter: Ford FL-1-A
Wix Filter: 51515-EA

• 5.0L 8-cylinder ([F] F):
OEM Filter: Ford FL-1-A
Wix Filter: 51515-EA

• 5.8L 8-cylinder ([G] G):
OEM Filter: Ford FL-1-A
Wix Filter: 51515-EA

• 5.8L 8-cylinder ([H] H):
OEM Filter: Ford FL-1-A
Wix Filter: 51515-EA

• 6.9L 8-cylinder ([1] 1 Diesel):
OEM Filter: Ford FL-784-A or Ford E3TZ6731B
Wix Filter: 51742-EA

How often should I change the oil in my 1984 Ford F-150 Pickup?

For modern models running full synthetic oil, oil change intervals are typically every 7,500 to 10,000 miles. However, for older Ford F-150 Pickup generations (1985-2010) or those using conventional/synthetic-blend fluid, changing the oil and filter every 3,000 to 5,000 miles is highly recommended to prevent sludge buildup. Regardless of engine (4.9L 6-cylinder, 5.0L 8-cylinder, 5.8L 8-cylinder and 6.9L 8-cylinder), you should change your oil at least once a year even if you don’t reach the mileage limit.

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