GTX Full Synthetic HM

Castrol GTX Full Synthetic High Mileage Motor Oil 5W-30, 6 pack, 1 US qt bottles

|23 ratings
Item # 990440316
Current price is $29.98
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Smart summary

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  • Mileage Optimized: Specifically engineered as a full synthetic motor oil, formulated for vehicles that have accumulated over 75,000 miles to cater to their unique engine needs.
  • Catalytic Safe: Incorporates Phosphorous Replacement Technology, a proprietary additive designed to actively reduce the level of phosphorus within the oil.
  • Emission System Defense: This advanced formulation helps to safeguard the catalytic converter and significantly extend the overall life of the vehicle's emission system.
  • Comprehensive Engine Defense: Delivers enhanced protection against various engine challenges including wear, oil leaks, excessive oil burn-off, and formation of power-robbering deposits.
  • Full Synthetic: This product is a full synthetic motor oil, providing superior lubrication characteristics and stability under diverse operating conditions.
  • Optimal Viscosity: Features a 5W-30 viscosity grade, ensuring appropriate flow and protection across a broad spectrum of engine temperatures.
  • Multi-Pack Volume: Available in a convenient 6-pack configuration, with each bottle containing 1 US quart for practical storage and use.

Castrol GTX Full Synthetic High Mileage Motor Oil 0W-20, 6 pack, 1 US qt bottles $29.98

Castrol GTX Full Synthetic High Mileage Motor Oil 0W-20, 6 pack, 1 US qt bottles
current price $29.98

Castrol GTX Full Synthetic High Mileage Motor Oil 0W-20, 6 pack, 1 US qt bottles

4.8462 out of 5 Stars. 13 reviews
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Castrol GTX Full Synthetic High Mileage Motor Oil 5W-30, 6 pack, 1 US qt bottles
Castrol GTX Full Synthetic High Mileage Motor Oil 5W-30, 6 pack, 1 US qt bottles
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About this item

Product details

Castrol GTX Full Synthetic High Mileage is a full synthetic oil engineered specifically for vehicles with over 75,000 miles. It is formulated with Phosphorous Replacement Technology, a proprietary additive that reduces the level of phosphorus, which is harmful to catalytic converters and can shorten emission system life. It provides enhanced protection against wear, leaks, oil burn off and power robbing deposits.
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Specifications

  • • Phosphorous Replacement Technology helps prevent catalytic converter and emission system failure
  • • 6X better wear protection than the industry standard
  • • Exceptional oil burn-off protection exceeding industry standards*
  • • Protects for up to 10,000 miles between oil changes**
  • • Also suitable for hybrids (0W grades)
  • * Based on API and ACEA volatility specifications
  • **Up to 10,000 miles or 1 year, whichever comes first
  • "Meets or exceeds the following specifications: • API SP/SN PLUS/SN • ILSAC GF-6 • Meets Ford WSS-M2C961-A1 "

Member ratings & reviews

4.8 out of 5 stars
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Showing 1-3 of 6 reviews

Jul 13, 2026
NotNow
5 out of 5 stars review

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oil for SUV

great price and great item

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Apr 12, 2026
Jose G
5 out of 5 stars review

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castrol

Great Product at great Price

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Mar 3, 2026
Jim
5 out of 5 stars review

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Brand name

Good quality oil at a fair price

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