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Item #:
37360676
Castrol GTX Classic 20W-50 Conventional Motor Oil, 1 Quart
Item #:
37360676
SGD 35
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Order now and get it around Friday, July 17
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High performance formula for push-rod, flat tappet engines and performance cam applications
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What Stands Out
High Viscosity
Provides excellent protection for older engines, ensuring optimal performance in high-temperature conditions and reducing wear for enhanced engine longevity.
Engine Cleaning
Formulated with special detergents to help eliminate sludge and varnish, keeping engines clean and promoting efficient operation over time.
Versatile Compatibility
Ideal for classic and vintage cars, this oil meets the needs of a variety of engine types, offering reliable performance for enthusiasts and collectors alike.
Product Details
| Motor oil viscosity | 20W - 50 |
| Motor oil type | Conventional Motor Oils |
| Brand | Castrol |
| Rec. use | Automotive |
| Volume capacity | 1 qt |
| Diesel fuel compatible | N |
| Number of engine cycles | 4 Cycle |
| Vehicle type | Car |
| Vehicle fitment type | Specific |
| Product line | GTX Classic |
| Manufacturer | BP Lubricants USA |
| Automotive parts division | Performance |
| Size | Quart |
| Model | 151A8E |
| Vehicle make | Castrol |
| Compatible cars | Classic/Collector Cars|Muscle Cars|Hot Rods|Race Cars |
| Is bulk | N |
| Count per pack | 6 |
| Count | 6 |
| Product net content uom | Fluid Ounce |
| Item Weight | 2 lbs (910 grams) |
Who Should Buy?
-
Classic Car Owners
Ideal for vintage vehicles requiring specific viscosity to protect their engines and maintain performance.
-
Hot Climate Use
Great for areas with high temperatures where thicker oil helps to prevent engine wear and tear.
-
High Mileage Engines
Beneficial for older engines, providing added protection to prevent leaks and reduce oil consumption.
-
Modern Vehicles
Not suitable for newer engines requiring synthetic oils for better fuel efficiency and engine protection.
-
Cold Weather Driving
Thicker viscosity may lead to poor performance and difficulty during cold starts in frigid temperatures.
-
Fuel Efficiency Focused
Users looking for high fuel efficiency may find synthetic options better suited than conventional oils.
Product Description
Castrol GTX Classic 20W-50 Conventional Motor Oil, 1 Quart
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Customer Questions & Answers
-
Question:
What type of engines is this oil suitable for?
Answer: Push-rod, flat tappet engines and performance cam applications. -
Question:
Can this oil be used with alcohol based fuels?
Answer: Yes, it is compatible with gasoline and alcohol based fuels. -
Question:
Is it suitable for modern engines with catalytic converters?
Answer: No, it is not for use in modern engines with catalytic converters.
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12 June 2026 · via Trustpilot
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SGD 35
Order now and get it around Friday, July 17
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Specialized additives for extreme wear protection
- Maintains tough and thick oil film under severe conditions
- Minimal foaming and high resistance to thermal degradation
- Compatible with gasoline and alcohol based fuels
- Not for use in modern engines with catalytic converters or wet clutch applications
- Enroll in Castrol Engine Warranty for coverage up to 500K miles
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