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NAPA Auto Parts Leesburg, VA
700 Fieldstone Drive
Suite 134
Leesburg,  VA  20176
(703) 777-2055
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Castrol GTX High Mileage Motor Oil 10W30 Synthetic Blend 5 qt (US)

Castrol GTX High Mileage Motor Oil 10W30 Synthetic Blend 5 qt (US)

Part #: CAS 110
Line: Castrol
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Features & Benefits

Warranty: Standard : Products Are Free Of Defects And Meets Standard Specifications

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Castrol® GTX® High Mileage 10W-30 is the #1 consumer high-mileage brand of motor oil. It's a synthetic blend engine oil that helps extend the life of engines by protecting against sludge, wear and burn-off. Engineered with Phosphorous Replacement Technology, it also protects emission systems by replacing some of the phosphorous that can damage catalytic converters.


  • 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 minimize engine wear
  • Improved fuel economy**
  • * Based on API and ACEA volatility specifications
  • ** In 5W-20, 5W-30 and 10W-30 grades versus industry specifications
  • Meets or exceeds the following specifications:
  • API SP/SN PLUS/SN/SM
  • ILSAC GF-6

Specifications

Container Size 5 qt (US)
Synthetic Yes
API Rating SM,SN,SN+,SP
High Mileage Formula Yes
Sub Brand GTX High Mileage
VMRS Code 053-999-166
Weight Rating 10W30
Brand Castrol
Motor Oil Style and Type Synthetic Blend
Approved Motor Oil Specification ILSAC GF-6
Contains VOCs Yes
Manufacturer Castrol
SDS Required Yes

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