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Riley Auto Care & Transmissions

1334 Tx-123
San Marcos, TX 78666

(512)353-5186

HOURS

Today: 8:00 AM-5:30 PM

Day Hours
Sunday: Closed
Monday: 8:00 AM-5:30 PM
Tuesday: 8:00 AM-5:30 PM
Wednesday: 8:00 AM-5:30 PM
Thursday: 8:00 AM-5:30 PM
Friday: 8:00 AM-5:00 PM
Saturday: Call
*Call for pricing, hours & product availability

AMSOIL Services Offered

This AMSOIL account is happy to install any AMSOIL products you bring to the shop. You will be charged for labor.

  • AMSOIL Full Service Oil Change

  • AMSOIL Transmission Fluid Services

  • AMSOIL Differential Fluid Services

AMSOIL Products Offered

AMSOIL Signature Series 5W-30 100% Synthetic Motor Oil

  • 75% more engine protection against horsepower loss and wear.1
  • 50% more cleaning power vs. AMSOIL OE Motor Oil
  • Protects turbochargers 72% better than required2 by the GM dexos1 Gen 2 specification.
  • 28% more acid-neutralizing power than Mobil 1.3
  • Trusted by professional engine builders
  • Guaranteed protection for up to 25,000 miles or 1 year

1Based on independent testing of AMSOIL Signature Series 0W-20 using the ASTM D6891 standard test.
2Based on independent testing of AMSOIL Signature Series 5W-30 in the GM turbo coking test.
3Based upon independent testing of Mobil 1 Annual Protection Full Synthetic 5W-30 and AMSOIL Signature Series 5W-30 in ASTM D2896. Oils purchased in July 2020.

AMSOIL OE 5W-20 100% Synthetic Motor Oil

  • Fights sludge and deposits with 100% synthetic formulation.
  • 47% more wear protection1 than required by the GM dexos1 Gen 2 specification.
  • 100% protection against LSPI2 in the engine test required by the GM dexos1 Gen 2 specification.

1Based on independent testing of OE 0W-20 in the Peugeot TU3M Wear Test as required by the dexos1 Gen 2 specification.
2Based on zero LSPI events in five consecutive tests of AMSOIL OE 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.

AMSOIL OE 5W-30 100% Synthetic Motor Oil

  • Fights sludge and deposits with 100% synthetic formulation.
  • 47% more wear protection1 than required by the GM dexos1 Gen 2 specification.
  • 100% protection against LSPI2 in the engine test required by the GM dexos1 Gen 2 specification.

1Based on independent testing of OE 0W-20 in the Peugeot TU3M Wear Test as required by the dexos1 Gen 2 specification.
2Based on zero LSPI events in five consecutive tests of AMSOIL OE 5W-30 Motor Oil in the LSPI engine test required by the GM dexos1 Gen 2 specification.

AMSOIL Upper Cylinder Lubricant Corrosion Inhibitor

  • Lubricates fuel system and upper cylinders.
  • Fights ethanol-related corrosion.
  • Helps keep injectors clean.
  • Compatible with capless fuel systems.

AMSOIL Quickshot® Gasoline Treatment and Stabilizer

  • Cleans powersports fuel systems
  • Addresses ethanol-related performance issues
  • Stabilizes fuel during short-term storage

AMSOIL Signature Series Fuel-Efficient 100% Synthetic Automatic Transmission Fluid

  • Withstands the rigors of heavy towing, elevated temperatures and challenging terrain
  • Remains fluid in sub-zero temperatures
  • Provides reserve protection during heavy use and abuse

AMSOIL Signature Series Multi-Vehicle 100% Synthetic Automatic Transmission Fluid

  • Withstands the rigors of heavy towing, elevated temperatures and challenging terrain
  • Remains fluid in sub-zero temperatures
  • Provides reserve protection during heavy use and abuse

AMSOIL Signature Series ULV 100% Synthetic Automatic Transmission Fluid

  • Withstands the rigors of heavy towing, elevated temperatures and challenging terrain
  • Remains fluid in sub-zero temperatures
  • Provides reserve protection during heavy use and abuse

AMSOIL OE Multi-Vehicle 100% Synthetic Automatic Transmission Fluid

  • Protects against wear
  • Resists harmful sludge
  • Excellent cold-weather performance
  • Guards against leaks
  • Promotes smooth, shudder-free shifts

AMSOIL OE Fuel-Efficient 100% Synthetic Automatic Transmission Fluid

  • Protects against wear.
  • Resists harmful sludge.
  • Excellent cold-weather performance.
  • Guards against leaks.
  • Promotes smooth, shudder-free shifts.

AMSOIL 100% Synthetic CVT Fluid

  • Provides exceptional metal-to-metal frictional properties.
  • Guards against thermal breakdown.
  • Protects against wear.
  • Helps prevent slipping.

AMSOIL 75W-90 Manual Transmission & Transaxle Gear Lube

  • Protects against increased heat and pressure
  • Outstanding cold-flow properties
  • Protects brass synchronizers
  • Friction-modified
  • Excellent seal compatibility
  • Inhibits rust and corrosion
  • Long service life

AMSOIL 5W-30 Manual Synchromesh Transmission Fluid

  • Formulated for maximum protection in synchromesh transmissions
  • Reduces friction, heat and wear
  • Resists oxidation, acid buildup and varnish
  • Improves cold weather shifting
  • Maximizes fuel economy
  • Ideal for many General Motors,* Chrysler,* Honda* and other vehicles

AMSOIL SEVERE GEAR® 75W-90 100% Synthetic Gear Lube

  • Advanced protection against wear
  • Controls thermal runaway
  • Protects against rust and corrosion
  • Helps reduce operating temperatures
  • Long oil, seal & equipment life
  • Contains friction modifiers for limited-slip applications

AMSOIL SEVERE GEAR® 75W-85 100% Synthetic Gear Lube

  • Advanced protection against wear
  • Controls thermal runaway
  • Protects against rust and corrosion
  • Helps reduce operating temperatures
  • Long oil, seal & equipment life
  • Contains friction modifiers for limited-slip applications

AMSOIL SEVERE GEAR® 75W-110 100% Synthetic Gear Lube

  • Advanced protection against wear
  • Controls thermal runaway
  • Protects against rust and corrosion
  • Helps reduce operating temperatures
  • Long oil, seal & equipment life
  • Contains friction modifiers for limited-slip applications

AMSOIL SEVERE GEAR® 75W-140 100% Synthetic Gear Lube

  • Advanced protection against wear
  • Controls thermal runaway
  • Protects against rust and corrosion
  • Helps reduce operating temperatures
  • Long oil, seal & equipment life
  • Contains friction modifiers for limited-slip applications

AMSOIL SEVERE GEAR® 80W-90 100% Synthetic Gear Lube

  • Advanced protection against wear
  • Controls thermal runaway
  • Protects against rust and corrosion
  • Helps reduce operating temperatures
  • Long oil, seal & equipment life
  • Contains friction modifiers for limited-slip applications

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