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Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts

  • Based on 7,858 reviews
Condition: New
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Availability: 12 left in stock
Fulfilled by Amazon

Arrives Sunday, May 17
Order within 14 hours and 33 minutes
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Size: 5 Quarts


Features

  • Phosphorus Replacement Technology helps extend emission system life
  • Superior dispersancy that fights sludge build up
  • Exceptional oil burn-off protection exceeding industry standards* | Seal conditioners to help reduce leaks
  • Advanced additives that help prevent engine wear | Improved Fuel Economy**
  • Meets or exceeds the following specifications: API SP/SN PLUS/SN/SM | ILSAC GF-6 | Meets Ford WSS-M2C946-B1 | Meets Ford WSS-M2C961-A1 | * Based on API and ACEA volatility specifications | ** In 5W-20, 5W-30 and 10W-30 grades versus industry specifications

Description

Castrol® GTX® High Mileage 5W-30 is the 1 consumer high-mileage brand, specially formulated for vehicles with over 75,000 miles. It's a synthetic blend motor oil that helps extend engine life providing Superior Protection in 7 Critical Areas including corrosion prevention, sludge control, timing and friction wear. It also contains a proprietary additive to protect the emisssion system. Our Phosphorus Replacement Technology reduces harmful phosphorus to protect the catalytic converter and help extend the life of your high mileage vehicle.

Viscosity: 5W 30 SAE Grade


Brand: Castrol


Liquid Volume: 160 Fluid Ounces


Package Information: Bottle


Vehicle Service Type: For use in vehicles with over 75,000 miles, Passenger cars, trucks, and SUVs


Viscosity: ‎5W 30 SAE Grade


Brand: ‎Castrol


Vehicle Service Type: ‎For use in vehicles with over 75,000 miles, Passenger cars, trucks, and SUVs


UPC: ‎079191231029


Automotive Fit Type: ‎Universal Fit


Global Trade Identification Number: ‎29


Manufacturer: ‎Castrol


Size: ‎5 Quarts


SAE J300 Viscosity Grade: ‎5W-30


Model: ‎03102


Item Weight: ‎9.38 pounds


Product Dimensions: ‎11.9 x 9.8 x 4.6 inches


Item model number: ‎03102


Is Discontinued By Manufacturer: ‎No


Manufacturer Part Number: ‎03102C


Date First Available: April 4, 2014


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, May 17

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Castrol fanboy
Size: 5 Quarts
Best oil for my GF's high mileage car, good price.
Reviewed in the United States on January 23, 2026 by BB

  • Quality oil, good price, quick delivery.
Size: 5 Quarts
Great oil. Good price.
Reviewed in the United States on January 17, 2026 by Jim K.

  • Works like a champ
Size: 5 Quarts
I've been using Castrol oil for years. Good stuff.
Reviewed in the United States on January 4, 2026 by Dennis

  • Exactly as described
Size: 5 Quarts
Money saver, will buy again.
Reviewed in the United States on February 9, 2026 by Kimmi Cooke

  • Great product ,Great Price.....
Size: 5 Quarts
The only oil I use... Best of all comes right to the door...
Reviewed in the United States on February 10, 2026 by Brad

  • Great price
Size: 5 Quarts
Good quality oil.
Reviewed in the United States on August 31, 2025 by R. Reed

  • Very good item
Size: 5 Quarts
Very good product. The brand speaks for itself.
Reviewed in the United States on January 11, 2026 by Julio Mordan

  • In like
Size: 5 Quarts
This oil provides excellent protection for older engines and helps keep the emission system clean. The synthetic blend offers good performance at start-up and during long drives. The 5-quart container is very convenient for a full oil change.
Reviewed in the United States on December 21, 2025 by Yensy Noda

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