Castrol GTX Full Synthetic 0w-20 Motor Oil

Castrol GTX Full Synthetic 0W-20 Motor Oil

Full Synthetic SAE 0W-20 Engine Oil for Sludge, Wear, and High-Temperature Protection

Castrol GTX Full Synthetic 0W-20 is a full synthetic motor oil formulated to help protect engines from sludge, wear, oxidation, and viscosity breakdown. It is designed for vehicles that require an SAE 0W-20 engine oil and should be selected according to the viscosity grade and performance specifications listed in the vehicle owner's manual.

Castrol positions GTX Full Synthetic for newer vehicles and operating conditions that can contribute to sludge formation, including heat, short trips, and stop-and-go traffic. Its full synthetic formulation provides thermal and oxidation stability while helping maintain viscosity during service.

Key Benefits

• Full synthetic SAE 0W-20 motor oil
• Helps clean existing sludge and protect against new sludge formation
• Formulated to reduce engine wear
• Provides thermal and oxidation stability
• Helps protect against viscosity breakdown
• API SQ performance claim
• ILSAC GF-7 performance claim
• GM dexos1 Gen 3
• Meets Ford WSS-M2C947-B1
• Meets Ford WSS-M2C962-A1

Applications

Castrol GTX Full Synthetic 0W-20 is intended for automotive engine applications that specify SAE 0W-20 and compatible performance requirements.

Always check the vehicle owner's manual before use. The correct motor oil should match the manufacturer's required viscosity grade, API or ILSAC category, and any applicable OEM specification.

Performance Claims and Specifications

• SAE Viscosity Grade: 0W-20
• API: SQ
• ILSAC: GF-7
• GM: dexos1 Gen 3
• Ford: WSS-M2C947-B1
• Ford: WSS-M2C962-A1

Typical Characteristics

• Density at 15°C: 0.846 g/mL
• Kinematic Viscosity at 40°C: 49 mm²/s
• Kinematic Viscosity at 100°C: 9.0 mm²/s
• Viscosity Index: 168
• CCS Viscosity at -35°C: 5,800 mPa·s
• Pour Point: -42°C
• Flash Point, PMCC: 205°C
• Sulfated Ash: 0.75% by weight

Typical values are provided as a guide and may vary within normal manufacturing tolerances.

Storage

Store packages under cover. If drums must be stored outdoors, Castrol recommends placing them horizontally to help reduce water ingress and damage to markings. Do not store the product above 60°C or expose it to hot sun or freezing conditions.

Frequently Asked Questions

Is Castrol GTX 0W-20 fully synthetic?
Yes. Castrol GTX Full Synthetic 0W-20 is a full synthetic automotive motor oil.

Does Castrol GTX Full Synthetic 0W-20 meet API SQ?
Yes. The current Castrol PDS lists API SQ as a product performance claim.

Does Castrol GTX Full Synthetic 0W-20 meet ILSAC GF-7?
Yes. ILSAC GF-7 is listed among its current performance claims.

Is Castrol GTX 0W-20 dexos1 approved?
The current Castrol PDS lists GM dexos1 Gen 3 among the product performance claims.

What Ford specifications does Castrol GTX Full Synthetic 0W-20 meet?
Castrol states that the oil meets Ford WSS-M2C947-B1 and WSS-M2C962-A1.

What is the viscosity of Castrol GTX Full Synthetic 0W-20?
Typical kinematic viscosity is 49 mm²/s at 40°C and 9.0 mm²/s at 100°C. Its viscosity index is 168.

What is the pour point of Castrol GTX Full Synthetic 0W-20?
The typical pour point is -42°C.

Is 0W-20 good for cold starts?
The 0W designation identifies its low-temperature viscosity classification. This product has a typical CCS viscosity of 5,800 mPa·s at -35°C. Use it only in engines where SAE 0W-20 is specified or permitted.

Can I use Castrol GTX 0W-20 instead of 5W-20 or 5W-30?
Do not substitute viscosity grades solely because they are from the same product family. Follow the viscosity and specification requirements in the vehicle owner's manual.