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AMSOIL 100% Synthetic High-Mileage Motor Oil 10W-30
Synthetic Motor Oil 10W-30

AMSOIL 100% Synthetic High-Mileage Motor Oil 10W-30

Product Code HM1030QT-EA
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Engineered for Vehicles With Over 75,000 Miles

With rapidly rising new-vehicle pricing and the high cost of repairs, drivers are keeping their vehicles on the road longer than ever. AMSOIL 100% Synthetic High-Mileage Motor Oil is designed specifically for the unique demands of high-mileage engines, helping extend the life of your vehicle. It cleans and protects with boosted detergency and an additive package that fights oil breakdown and oil leaks.

Key Benefits

  • Engineered for vehicles with over 75,000 miles
  • Reduced sludge by 67% in the modified Sequence VH test (ASTM D8256, AMSOIL 0W-20)
  • Up to 62% better deposit prevention than competing high-mileage oils in TEOST 33C (vs Valvoline MaxLife and Mobil 1 High-Mileage 0W-20)
  • Boosted detergency removes deposit buildup to help restore peak performance
  • Highly durable viscosity maintains film thickness even in extreme temperatures
  • Thermally stable formulation resists volatility and oil consumption
  • Boosted seal conditioners help restore aging seals and stop leaks
  • Does not void new vehicle or equipment manufacturer warranties; covered by the AMSOIL Limited Warranty

Engine Cleanliness, Durable Viscosity, Leak Protection

Engine cleanliness: Enhanced detergency breathes new life into dirty engines by removing deposit buildup. In the modified Sequence VH test (ASTM D8256), AMSOIL 0W-20 100% Synthetic High-Mileage Motor Oil reduced sludge by 67%. In the TEOST 33C test (ASTM D6335) required by the ILSAC GF-6 specification, the 0W-20 grade delivered up to 62% better deposit prevention than Valvoline Full Synthetic High-Mileage with MaxLife Technology 0W-20 and Mobil 1 High-Mileage 0W-20 Full Synthetic Motor Oil.

Durable viscosity: Formulated to maintain viscosity even in extreme temperatures, providing proper film thickness to help counteract compression loss as cylinders and piston rings wear.

Oil-consumption control and leak protection: Thermally stable across a wide range of temperatures, resisting volatility and consumption, with a boosted dose of seal conditioners to restore aging seals and help stop leaks.

Technical Specifications

PropertyValue
Kinematic Viscosity @ 100°C, cSt11.3
Kinematic Viscosity @ 40°C, cSt71.9
Viscosity Index148
CCS Viscosity5486 cP @ -25°C
Flash Point230°C
Fire Point254°C
Pour Point-42°C
NOACK Volatility, % weight loss4.5
Total Base Number10.0
HTHS Viscosity, cP3.4

Industry Certifications & OEM Approvals

API

  • SQ, SP, SN Plus...

ILSAC

  • GF-7A, GF-6A, GF-5...

GM

  • 4718M, 6094M

Chrysler

  • MS-6395

Ford

  • WSS-M2C205-A

10W-30 Applications

Use AMSOIL 100% Synthetic High-Mileage 10W-30 Motor Oil in applications that require any of the following specifications: API SQ, SP, SN Plus...; ILSAC GF-7A, GF-6A, GF-5...; GM 4718M, 6094M; Chrysler MS-6395; Ford WSS-M2C205-A.

Pros and Cons

Pros

  • Engineered for vehicles with over 75,000 miles
  • Reduced sludge by 67% in the modified Sequence VH test (ASTM D8256, AMSOIL 0W-20)
  • Up to 62% better deposit prevention than competing high-mileage oils in TEOST 33C (vs Valvoline MaxLife and Mobil 1 High-Mileage 0W-20)
  • Boosted detergency removes deposit buildup to help restore peak performance
  • Highly durable viscosity maintains film thickness even in extreme temperatures
  • Thermally stable formulation resists volatility and oil consumption
  • Boosted seal conditioners help restore aging seals and stop leaks
  • Does not void new vehicle or equipment manufacturer warranties; covered by the AMSOIL Limited Warranty

Cons

  • Premium Investment: Higher initial cost compared to conventional or "shelf-brand" synthetic oils.
  • Limited Local Retail: Primarily available through authorized dealers and specialized synthetic outlets. National Synthetics is a local stocking dealer. Call 1-678-944-8816 to confirm in-stock items for same-day local pickup.

Order Through Your Independent AMSOIL Dealer

Give your high-mileage engine the purpose-built protection it needs. As your Independent AMSOIL Dealer, we provide expert guidance and competitive pricing on all AMSOIL products.

SHOW MY PRICE

Independent AMSOIL Dealer #1858536

Frequently Asked Questions

AMSOIL 100% Synthetic High-Mileage Motor Oil is engineered for vehicles with over 75,000 miles. Its boosted detergency, durable viscosity, oil-consumption control and seal-conditioner package address the issues high-mileage engines commonly face: deposit buildup, compression loss, oil consumption and leaking seals.

Customer Reviews

See all 391 reviews
5.0out of 5
Based on 391 verified reviews

The best oil and products.

Myself and my three sons have been using it for years. The best oil there is.Just bought a new to me vehicle with 100k and using your high mileage in it. Thank you for all you great products.

Verified Buyer — Indiana

Independent AMSOIL Dealer #1858536. Product information sourced from AMSOIL. Visit AMSOIL.com for the most current product details and availability.