2019 Ford Ranger Fluid Type Specs

As an ASE-certified master technician, I've compiled this comprehensive fluid specification guide for your 2019 Ford Ranger. Adhering to these factory recommendations ensures optimal performance, longevity, and can prevent costly repairs.

Quick Reference

Fluid	Type/Spec	Capacity
Engine Oil	SAE 5W-30, WSS-M2C946-B1 (API SN PLUS or SP)	6.2 quarts (with filter)
Engine Coolant	Ford/Motorcraft Orange Antifreeze/Coolant VC-3-B (P-OAT)	Approximately 13.7 quarts (initial fill)
Transmission Fluid	MERCON ULV Automatic Transmission Fluid	13.1 quarts (initial fill)
Transfer Case Fluid	MERCON LV Automatic Transmission Fluid	1.5 quarts
Front Differential	SAE 80W-90 High Performance Gear Oil, XY-80W90-QL (Dana M188 axle) / SAE 75W-85 Hypoid Gear Lubricant, XY-75W85-QL (Ford 190MM axle)	Verify in owner's manual / OEM service info
Rear Differential	SAE 75W-85 Hypoid Gear Lubricant, XY-75W85-QL (Ford 190MM axle) / SAE 75W-140 High Performance Axle Lubricant, XY-75W140-QL (Dana M220 axle, if equipped with LSD use XL-3 friction modifier)	Verify in owner's manual / OEM service info
Brake Fluid	Motorcraft DOT 4 Low Viscosity Brake Fluid (PM-20)	As needed
Power Steering Fluid	Electric Power-Assist Steering (EPAS) - No serviceable fluid	N/A
Washer Fluid	Motorcraft Premium Windshield Washer Concentrate (ZC-32-A) or equivalent	As needed

Engine Oil

For the 2019 Ford Ranger's 2.3L EcoBoost engine, the factory specifies SAE 5W-30 engine oil meeting Ford specification WSS-M2C946-B1. This specification generally correlates with API SN PLUS or later (e.g., API SP) ratings, designed to protect against Low-Speed Pre-Ignition (LSPI) which is a concern for turbocharged direct-injection engines. The oil capacity is 6.2 quarts with a new filter.

• Intervals: Ford recommends an oil change every 7,500 to 10,000 miles or every year, whichever comes first, under normal driving conditions. However, under severe conditions (e.g., heavy towing, extreme temperatures, dusty environments, extensive idling), more frequent changes (e.g., every 5,000 miles) are advisable.
• Common Pitfalls: Always use an oil that explicitly states it meets Ford WSS-M2C946-B1 or a later, backward-compatible specification. Do not use oils that do not meet this Ford spec, even if they are the correct viscosity, as they may not offer the necessary protection against LSPI and wear.

Engine Coolant

The 2019 Ford Ranger uses Ford/Motorcraft Orange Antifreeze/Coolant VC-3-B, which is a P-OAT (Phosphated Organic Acid Technology) formulation. This coolant is orange in color and is designed for extended life. The initial fill capacity is approximately 13.7 quarts.

• Intervals: The factory-recommended interval for coolant replacement is typically 10 years or 100,000 miles, whichever comes first. It's important to check the coolant level and condition periodically.
• Common Pitfalls: Never mix different types of coolants. Mixing OAT, HOAT, or other technologies can lead to chemical reactions, gel formation, reduced cooling efficiency, and damage to your cooling system components. Always use the specified Ford/Motorcraft Orange coolant or a compatible P-OAT coolant that explicitly states it meets Ford VC-3-B specifications.

Transmission Fluid

Your 2019 Ford Ranger, equipped with the 10-speed automatic transmission, requires MERCON ULV Automatic Transmission Fluid. The initial fill capacity is 13.1 quarts.

• Intervals: Ford generally considers the transmission fluid to be "filled for life" under normal operating conditions. However, for vehicles subjected to heavy towing, frequent off-road use, or prolonged operation in hot climates, it is wise to consider a fluid and filter change around 60,000 to 100,000 miles to ensure optimal transmission health. Refer to your owner's manual for severe duty service intervals.
• Common Pitfalls: Only use MERCON ULV fluid. Using any other type of automatic transmission fluid (e.g., MERCON LV, MERCON V, Dexron fluids) can lead to severe transmission damage due to incorrect friction characteristics and viscosity.

Transfer Case Fluid

For 4WD and AWD models of the 2019 Ford Ranger, the transfer case requires MERCON LV Automatic Transmission Fluid. The capacity is approximately 1.5 quarts.

• Intervals: Ford recommends inspecting the transfer case fluid every 30,000 miles and changing it every 60,000 to 100,000 miles, especially if operating under severe conditions.
• Common Pitfalls: Do not confuse MERCON LV with MERCON ULV. While both are Ford specifications, they are different fluids designed for different applications. Confirm you are using MERCON LV for the transfer case.

Differential Fluids

The 2019 Ford Ranger can come with different differential axles, so it's crucial to verify the specific axle type in your owner's manual or OEM service information. Capacities will vary slightly by axle.

Front Differential

• Specification: Depending on the axle, it will typically require SAE 80W-90 High Performance Gear Oil, Ford specification XY-80W90-QL (for the Dana M188 axle) or SAE 75W-85 Hypoid Gear Lubricant, Ford specification XY-75W85-QL (for the Ford 190MM axle). Always verify the exact specification for your vehicle.
• Intervals: Inspect every 30,000 miles; change every 100,000 miles or sooner with heavy use.

Rear Differential

• Specification: This can vary between SAE 75W-85 Hypoid Gear Lubricant, Ford specification XY-75W85-QL (for the Ford 190MM axle) or SAE 75W-140 High Performance Axle Lubricant, Ford specification XY-75W140-QL (for the Dana M220 axle). If your Ranger is equipped with a limited-slip differential (LSD), you MUST add Ford XL-3 friction modifier to the 75W-140 fluid.
• Intervals: Inspect every 30,000 miles; change every 100,000 miles or sooner with heavy use.
• Common Pitfalls: Using the wrong viscosity or type of gear oil can lead to premature wear. For LSD-equipped differentials, omitting the friction modifier will cause chatter and inconsistent limited-slip operation. Always verify your axle type and fluid requirements.

Brake Fluid

Your 2019 Ford Ranger uses Motorcraft DOT 4 Low Viscosity Brake Fluid (PM-20).

• Intervals: Ford recommends inspecting the brake fluid level and condition annually. Brake fluid is hygroscopic, meaning it absorbs moisture over time, which reduces its boiling point and can lead to corrosion in the brake system. It is generally recommended to flush and replace brake fluid every 2-3 years, or according to your owner's manual's severe duty schedule.
• Common Pitfalls: Never use DOT 5 (silicone-based) fluid, as it is incompatible with systems designed for DOT 3, DOT 4, or DOT 5.1 and can cause seal damage. While DOT 3 and DOT 4 are compatible, DOT 4 offers a higher boiling point, and Low Viscosity DOT 4 is specifically designed for modern ABS and stability control systems. Stick with the specified Motorcraft DOT 4 LV fluid.

Power Steering Fluid

The 2019 Ford Ranger is equipped with an Electric Power-Assist Steering (EPAS) system. This system is electronically controlled and does not use hydraulic fluid. Therefore, there is no power steering fluid to check or replace.

Washer Fluid

The 2019 Ford Ranger uses standard windshield washer fluid. For best performance and freeze protection, use Motorcraft Premium Windshield Washer Concentrate (ZC-32-A) or an equivalent quality washer fluid that offers appropriate freeze protection for your climate.

• Intervals: Replenish as needed.

Diesel Exhaust Fluid (DEF)

The 2019 Ford Ranger is exclusively offered with a gasoline engine in North America, thus it does not require or use Diesel Exhaust Fluid (DEF).

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