1991 GMC Sonoma Fluids and Chemicals

Essential 1991 GMC Sonoma Fluids and Chemicals

Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (Part No.889785)

Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart

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$18.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil, the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Our unique new flexible pouch makes getting into the tightest places to lubricate gears easier than ever and with less waste. The superior detergent package-based formulation contains fully synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance.

Product Features:
  • FLEXIBLE POUCH FOR EASIER USE WITH LESS WASTE in tight, hard to reach undercarriage situations
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -30F to 300F degrees for dependable coverage year-round
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
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Valvoline – SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Gallon (Part No.882505)

SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Gallon

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$59.99
Valvoline SAE 75W-90 Full Synthetic Gear Oil provides the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Engineered to outperform, our detergent package-based formulation contains Full Synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance. Protect your gears with Valvoline, the #1 gear oil brand.

Product Features:
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION , ranging from -30F to 300F degrees
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP HYPOID DIFFERENTIALS where APPI GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
  • MEETS OR EXCEEDS THE PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
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Yukon Gear – Friction Modifier / Posi Additive (Part No.15018)

Friction Modifier / Posi Additive

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$17.99
Help keep positraction chatter down with posi additive from Yukon Gear & Axle.

Product Features:
  • positraction additive
  • For use in any clutch-style limited slip
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LIQUI MOLY – TopTec 4200 Long Life 5W-30 Full Synthetic Motor Oil: Long Life, Reduces Build Up, 5 Liter (Part No.2011)

TopTec 4200 Long Life 5W-30 Full Synthetic Motor Oil: Long Life, Reduces Build Up, 5 Liter

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$56.99
High-tech low-friction motor oil based on synthetic technology. Ensures excellent engine cleanliness and exceeds even the strictest test requirements of well-known vehicle manufacturers. Reduces the build-up of troublesome deposits in direct-injection gasoline and diesel engines (FSI, TDI, common rail, etc.) and keeps oil consumption low. Assures reliable operation and maximizes the operating life of the diesel particulate filter (DPF). Specifically for vehicles with extremely long oil change intervals (WIV, etc.). Outstanding protection against wear, reduces oil and fuel consumption and ensures fast oil penetration of the engine.

Product Features:
  • Outstanding protection against wear
  • Reduces oil and fuel consumption
  • Ensure fast oil penetration of the engine
  • High tech low friction based on synthetic technology
  • Made in Germany
  • Reduces Deposits: Effectively reduces the build-up of troublesome deposits in direct-injection gasoline and diesel engines (FSI, TDI, common rail, etc.), maintaining optimal engine performance.
  • Extended Oil Change Intervals: Specifically designed for vehicles with extremely long oil change intervals (WIV, etc.), making it a cost-effective and convenient choice for long-term use.
  • Maximizes DPF Life: Assures reliable operation and maximizes the operating life of the diesel particulate filter (DPF), contributing to lower maintenance costs and enhanced vehicle longevity.
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Royal Purple – HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart) (Part No.11744)

HMX SAE 5W-30 High-Mileage Synthetic Engine Oil (1 Quart)

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$12.99
Royal Purple HMX SAE 5W-30 High-Mileage Synthetic Motor Oil, 1 quart is specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles. Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple’s proprietary additive technology Synerlec, HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines. In addition, HMX is fortified with stout detergents to remove engine build-up and deposits, maintain cleanliness and promote engine longevity.

Product Features:
  • Specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles
  • Formulated with robust zinc/phosphorus anti-wear compounds combined with royal purple’s proprietary additive technology
  • Hmx is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines
  • Reduces friction and metal-to-metal contact for peak engine performance
  • Also provides outstanding oxidation resistance to safely extend oil drain intervals, and an ionic attraction to metal surfaces, providing protection and minimizing wear at start-up
  • High-Mileage Formula: Specifically designed for engines with more than 75,000 miles, this full synthetic engine oil helps minimize wear and restore lost performance.
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Royal Purple – MaxGear SAE 75W90 High Performance Gear Oil w/Friction Modifier Additive, 1 QT (Part No.01300)

MaxGear SAE 75W90 High Performance Gear Oil w/Friction Modifier Additive, 1 QT

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$24.99
Max Gear is recommended for truck and automotive differentials, outboard motor lower units or in rear axles or manual transmissions requiring an API fluid. Max Gear is a high performance automotive gear oil designed to provide maximum protection to heavily loaded gears while increasing power throughput through the drive train. Max Gear virtually eliminates both gear and bearing wear-even under severe squeeze film conditions caused by extremely high loads, sudden shock loads or low RPMs. Slippery, synthetic molecules not only reduce wear and friction but significantly increase Max Gear’s cold weather fluidity and lubricity, making it the ideal choice for vehicles operating in cold climates. Gears run smoother, quieter, cooler and longer without overhauls. It is noncorrosive to both ferrous and nonferrous metals.

Product Features:
  • Maximizes horsepower
  • Extends gear and bearing life
  • Reduces operating temperature
  • Lower coefficient of friction
  • Superior corrosion protection
  • Separates rapidly from water
  • For use with open, limited-slip and locking differential
  • Contains limited-slip friction modifier
  • Made in USA
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Mobil 1 – Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.25201)

Full Synthetic Automatic Transmission Fluid, 1 Quart

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$14.29
Mobil 1 Synthetic ATF is a multi-vehicle, fully synthetic automatic transmission fluid that helps to improve overall transmission durability and cleanliness. Has exceptional thermal and oxidation stability and long-term frictional properties that help to improve and extend transmission efficiency, smooth shifting performance, and fuel economy. Mobil 1 ATF provides excellent low-temperature fluidity to promote reliable lubrication at temperatures down to -51C, and exceptional shear stability to help supports viscosity retention under the most severe heavy-duty, high-temperature operating conditions. Compatibile with mineral ATF fluids and all common seal materials to help provide excelent leakage control and reduce concern in top-off emergencies. Meets or exceeds the requirements of JASO 1-A and Ford MERCON V.

Product Features:
  • Multi-vehicle, fully synthetic automatic transmission fluid that helps to improve overall transmission durability and cleanliness
  • Exceptional thermal and oxidation stability to improve and extend transmission efficiency, smooth shifting performance, and fuel economy
  • Excellent high and low-temperature fluidity to help support viscosity retention under extreme, heavy-duty operating conditions
  • Compatibile with mineral ATF fluids and all common seal materials to help provide excelent leakage control
  • Meets or exceeds the requirements of JASO 1-A and Ford MERCON V
  • Manufacturer Part Number: 112980
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Valvoline – DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.883572)

DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Gallon

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$38.49
Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, MERCON LV and Allison C-4.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Prestone – DOT 3 Brake Fluid: MAX Synthetic, Highest Grade, Superior Protection, 100k miles, 32 oz (Part No.AS410)

DOT 3 Brake Fluid: MAX Synthetic, Highest Grade, Superior Protection, 100k miles, 32 oz

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$12.49
Prestone® MAX DOT 3 Motor Vehicle Brake Fluid is our highest grade formula, maximizing performance vs. DOT standard. Prestone MAX is our best brake fluid at protecting against overheating and brake fade. With 100,000 mile fluid life, our longest life fluid has 2X more miles between replacement than regular Prestone DOT 3. Prestone MAX has superior performance in severe braking conditions when compared to regular Prestone DOT 3, which means even more piece of mind about the braking system. This synthetic fluid starts with our highest dry boiling point giving our best protection against performance decline due to water absorption. Prestone MAX DOT 3 is safe to use in all DOT 3 braking systems, ABS, disc or drum, and can mix with any DOT 3 fluid. Mixing Prestone MAX with other fluids will lower the performance rating for miles and boil points, for best results replace completely with Prestone MAX DOT 3. It is recommended to only use the DOT fluid specified for your car. Using a different DOT product can affect the boiling point or replacement interval if the wrong fluid is used.

Product Features:
  • 100,000 Mile Fluid Life
  • Prevent Overheating & Brake Fade with Our Highest Grade Formula. Prevents corrosion of all metals within the braking system.
  • Superior Protection in Extreme Braking Conditions
  • Synthetic, Long Life Formula – 2X Longer than regular Prestone DOT 3
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Prestone – DOT 3 Brake Fluid: Synthetic, Prevents Corrosion, Safe For ABS, Disc, Drum Brakes, 50k miles, 12 oz (Part No.AS400)

DOT 3 Brake Fluid: Synthetic, Prevents Corrosion, Safe For ABS, Disc, Drum Brakes, 50k miles, 12 oz

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$5.99
Prestone® DOT 3 Motor Vehicle Brake Fluid delivers enhanced performance vs. DOT standards, benefitting all vehicles calling for DOT 3. This synthetic fluid starts with a higher dry boiling point than the DOT minimum standard to protect against overheating, brake fade and performance decline due to water absorption. This extended life (50,000 mile) fluid is also formulated to prevent corrosion of all metals within the braking system.  This formula is safe to use in all DOT 3 braking systems (ABS, disc or drum) and can mix with any DOT 3 fluid.  It is recommended to only use the DOT fluid specified for your car, as using a different DOT product can affect the boiling point or replacement interval if the wrong fluid is used.

Product Features:
  • 50,000 Mile Fluid Life
  • Prevent Overheating & Brake Fade with High Grade Formula*
  • Protects against performance decline due to water absorption. Prevents corrosion of all metals within the braking system.
  • Synthetic, Extended Fluid Life Formula
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Powertrax – No-Slip Traction System (Part No.9207752605)

No-Slip Traction System

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$518.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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    FRAM – Antifreeze & Coolant: Concentrate, Conventional Green, 1 Gallon (Part No.F101)

    Antifreeze & Coolant: Concentrate, Conventional Green, 1 Gallon

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    $18.99
    FRAM Conventional Green Concentrate is an ethylene glycol-based product for use in car and light duty trucks that are already using a conventional coolant. The inhibitors prevent rust, corrosion, and provide freeze-up and boil-over protection. When used as directed, the Prime Green Concentrate Low Silicate formula provides full protection for a minimum of one year.

    Product Features:
    • Low Silicate Formula
    • When used as directed, will provide protection for a minimum of 1 year
    • Meets or exceeds ASTM requirements for cars, light duty trucks
    • Concentrated formula. Must mix with high quality (distilled/deionized) water to the desired ratio. Can be used for top-off, complete drain and refill or flush and refill of the cooling system.
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    FRAM – Heavy Duty Antifreeze and Coolant: 50/50 Ready To Use, Universal , 1 Gallon (Part No.F201)

    Heavy Duty Antifreeze and Coolant: 50/50 Ready To Use, Universal , 1 Gallon

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    $15.99
    Antifreeze Conventional Green 50/50 is an ethylene glycol-based product for use in car and light duty trucks that are already using a conventional coolant. The inhibitors prevent rust, corrosion, and provide freeze-up and boil-over protection. Prime Green 50/50 can be used to top-off cooling systems in vehicles using conventional AF/C, will not harm rubber parts, and meets ASTM D3306 and D4985 standards.

    Product Features:
    • Low Silicate Formula.
    • When used as directed, will provide protection for a minimum of 1 year
    • Meets or exceeds ASTM requirements for cars, light duty trucks
    • Ready to Use formula (prediluted to a 50% Eg & 50% distilled water mix). Perfect for small volume top-off or complete drain and refill of the cooling system
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    ZEREX – G05® Full Strength Concentrate Antifreeze / Coolant, 1 Gallon (Part No.ZXG051)

    G05® Full Strength Concentrate Antifreeze / Coolant, 1 Gallon

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    $22.99
    ZEREX G05® is the automaker approved original chemistry used in newer Ford®, Chrysler® and Mercedes-Benz® automotive and diesel engines. Its Hybrid Organic Acid Technology (HOAT) chemistry combines the best of conventional and organic acid-based chemistry to provide the ultimate protection against rust and corrosion. ZEREX G05 antifreeze/coolant uses the highest quality virgin ethylene glycol for freeze and boil over protection and a hybrid organic acid corrosion inhibitor package to protect your engines from liner pitting and corrosion.

    Product Features:
    • Automaker approved technology. Provides protection for 5 years / 150,000 miles in light duty applications and 3 years / 300,000 miles in heavy duty applications
    • Formulated for long life performance
    • Low-silicate, low-pH and phosphate-free formula
    • Helps protect all cooling system metals, including aluminum
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    Prestone – Antifreeze and Coolant: Concentrate, Dex-Cool Compatible, Protects Against Corrosion, 1 Gallon (Part No.AF888)

    Antifreeze and Coolant: Concentrate, Dex-Cool Compatible, Protects Against Corrosion, 1 Gallon

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    $21.49
    Prestone DEX-COOL (concentrate) antifreeze+coolant is specially designed to work with these specific vehicles: All GM® vehicles 1995 & newer (GM approved), most Ford® vehicles 2011 – 2018 and most Chysler® vehicles 2013 & newer. Prestone’s Antifreeze+Coolants are designed to the highest standards using state of the art technology. These fluids are designed to not only manage the engine temp and protect from freezing up, they also protect the engine from rust & corrosion. This fluid is designed to last 5yrs / 150,000 miles.

    Product Features:
    • Specially formulated to work with vehicles using orange colored fluid; HOAT. All GM 1995 & newer; Most Ford 2011-2018; Most Chrysler 2013 & newer
    • 5 Yr., 150,000 mile Extended life formula
    • Includes the Prestone protection package that protects against rust and corrosion of all cooling system metals, including aluminum.
    • Concentrate formula. Must mix with distilled to the desired mix ratio of EG & water. Can be used for top-off, complete drain and refill or flush and refill of the cooling system.
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    ATP – Trans Fluid Additive (Part No.AT-202)

    Trans Fluid Additive

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    $14.99
    Product Features:
    • Reduces heat & wear
    • Eliminates TQ converter shudder & clutch pack chatter
    • For all automatic transmissions & 4×4 transfer cases
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    ATP – Auto Trans Fluid (Part No.AT-216)

    Auto Trans Fluid

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    $22.99
    Product Features:
    • Fully Synthetic
    • Advance transmission protection from standard to sever duty
    • Resist thermal breakdown, oxidation, varnish and sludge
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    Castrol – Domestic Multi-vehicle (ATF) Automatic Transmission Fluid (1 Quart) (Part No.15ADFA)

    Domestic Multi-vehicle (ATF) Automatic Transmission Fluid (1 Quart)

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    $7.99
    Castrol® Transmax DEX/MERC includes enhanced friction durability for smooth transmission performance. Designed for use in older Ford and GM vehicles.

    Product Features:
    • Enhanced friction durability for smooth transmission performance
    • Meets DEXRON®-III H requirements; also satisfies requirements of DEXRON®, DEXRON®-III, IIE, and II; do not use this ATF in applications calling for DEXRON®-VI
    • Meets MERCON® requirements; may also be used in power steering applications where MERCON® is required; use Castrol Type F ATF in applications calling for Type F
    • Do not use this ATF in applications calling for MERCON® V or MERCON® SP
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    Castrol – BP Petroleum Autran Syn 295 Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.709732)

    BP Petroleum Autran Syn 295 Synthetic Automatic Transmission Fluid, 1 Gallon

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    $71.99
    Full-Synthetic; Heavy Duty Automatic Transmission; BP Autran Syn-295 is a full-synthetic, heavy duty automatic transmission fluid approved for use under Allison TES-295. It is formulated to maintain its stability, even under the most severe operating conditions.

    Product Features:
    • Formulated with high viscosity index 100% synthetic base fluids and specific additives in order to exceed Allison requirements and provide outstanding wear protection
    • Keeps transmissions cooler, offering excellent shear stability, low oxidation and high heat capacity
    • Provides superior high/low temperature performance due to high VI synthetic base fluids and has excellent corrosion and foaming resistance
    • BP Autran Syn-295 also has an Allison TES-468 approval for use in Allison Hybrid Electric Drive Transmissions
    • Other OEM approvals include Allison C-4, Voith and ZF transmissions
    • BP Autran Syn-295 is an ideal transmission fluid for light duty application vehicles, such as:
    • Inter/intra-city buses & school buses
    • Emergency vehicles
    • Delivery trucks & vans
    • Recreational vehicles & motor homes
    • Refuse vehicles
    • On/off-highway vehicles
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    Castrol – Transmax ATF High Mileage Automatic Transmission Fluid: 1 Gallon (Part No.1599F1)

    Transmax ATF High Mileage Automatic Transmission Fluid: 1 Gallon

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    $49.99
    Castrol Transmax High Mileage is specially formulated for transmissions with over 75,000 miles to deliver superior performance for maximum transmission life. It features additional seal conditioners to help stop leaks and cleaning agents to reduce varnish and deposit formation. It also protects against clutch wear and restores smooth shifting and can be used in a wide variety of specifications including DEXRON®-IIIH, MERCON® and JASO-1A.

    Product Features:
    • Additional seal conditioners help stop leaks.
    • Extra cleaning agents reduce varnish and sludge formation.
    • Protects against clutch wear and restores smooth shifting.
    • Recommended for use in new & older vehicles that require:
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    FRAM – Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Quart (Part No.F426)

    Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Quart

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    $11.79
    FRAM DEXRON®-VI FULL SYNTHETIC ATF represents the latest technology in full  synthetic automatic transmission fluids. This product is designed for the newest  generation of highly efficient transmissions now being installed in most vehicles, and is  DEXRON®-VI licensed by GM and meets JASO 1A performance requirements. It is a fuel  efficient choice for older models as well, such as those currently using DEXRON®-III. FRAM DEXRON®-VI FULL SYNTHETIC ATF is recommended for use in all GM  DEXRON® applications and in transmissions applications calling for Toyota WS, Nissan  Matic J and Matic S, Ford part numbers XT-10-QLV and XT-6-QSP, Honda Z-1 and DW 1, and Hyundai SP-VI. Check owner’s manual for specific recommendations.

    Product Features:
    • Outstanding resistance to oxidative and thermal breakdown.
    • Exceptional low temperature fluidity.
    • Excellent anti-wear properties.
    • Excellent gear shift quality throughout service life.
    • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE FLUID FOR YOUR TRANSMISSION
    • TRANSMISSION FLUIDS ALSO APPLICABLE IN POWER STEERING UNITS; CHECK OWNERS’ MANUAL
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    FRAM – Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Gallon (Part No.F426-1G)

    Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Gallon

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    $33.99
    FRAM DEXRON®-VI FULL SYNTHETIC ATF represents the latest technology in full  synthetic automatic transmission fluids. This product is designed for the newest  generation of highly efficient transmissions now being installed in most vehicles, and is  DEXRON®-VI licensed by GM and meets JASO 1A performance requirements. It is a fuel  efficient choice for older models as well, such as those currently using DEXRON®-III. FRAM DEXRON®-VI FULL SYNTHETIC ATF is recommended for use in all GM  DEXRON® applications and in transmissions applications calling for Toyota WS, Nissan  Matic J and Matic S, Ford part numbers XT-10-QLV and XT-6-QSP, Honda Z-1 and DW 1, and Hyundai SP-VI. Check owner’s manual for specific recommendations.

    Product Features:
    • Outstanding resistance to oxidative and thermal breakdown.
    • Exceptional low temperature fluidity.
    • Excellent anti-wear properties.
    • Excellent gear shift quality throughout service life.
    • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE FLUID FOR YOUR TRANSMISSION
    • TRANSMISSION FLUIDS ALSO APPLICABLE IN POWER STEERING UNITS; CHECK OWNERS’ MANUAL
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    Prestone – MAX Power Steering Fluid: American Vehicles, With Stop Leak, Enhances System Life, 100k miles, 12 oz (Part No.AS277)

    MAX Power Steering Fluid: American Vehicles, With Stop Leak, Enhances System Life, 100k miles, 12 oz

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    $14.99
    Prestone® MAX American Vehicles Power Steering Fluid (PSF) + Stop Leak maximizes and increases system life + the power to stop leaks. Stop Leak additives renew, restore and condition seals in the power steering system. These seals harden and shrink over time which are the likely cause of leaks. This formula is also great at preventing leaks by rejuvenating seals before they leak. This synthetic fluid is designed with 2X Anti-wear System Protection, which means more protection against pump failure, squeals and clogs. 100,000 mile fluid life, 2X more than conventional fluid, extends the time between replacement. This fluid is formulated for American vehicle manufacturers: Ford, Lincoln, Mercury, Dodge, Ram, Jeep, Chrysler, GMC, Chevrolet, Buick, Cadillac, Pontiac, Oldsmobile and others. Many cars 2006 and newer use synthetic based fluids for longer life and better protection. Conventional and synthetic fluids can be mixed but performance and replacement intervals are reduced by the conventional fluid.

    Product Features:
    • 100,000 Mile Fluid Life. Synthetic Formula for longer life and more protection
    • MAX + Stop Leak. Stop Leak Additives to prevent and stop power steering system leaks.
    • For use in American vehicle manufacturers: Ford, Lincoln, Mercury, Dodge, Ram, Jeep, Chrysler, GMC, Chevrolet, Buick, Cadillac, Pontiac, Oldsmobile and other
    • 2X Anti-Wear Protection for enhanced System Life vs. conventional fluid. More protection against pump failure, squeals and clogs
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    Prestone – Power Steering Fluid: All Vehicles, With Stop Leak, Restores & Conditions Seals, 50k miles, 32 oz (Part No.AS263Y)

    Power Steering Fluid: All Vehicles, With Stop Leak, Restores & Conditions Seals, 50k miles, 32 oz

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    $10.49
    Prestone® Power Steering Fluid + Stop Leak (PSF+SL) delivers increased system life and prevents & stops system leaks. Stop Leak additives renew, restore and condition seals in the power steering system. These seals harden and shrink over time which are the likely cause of leaks. The stop leak additives also prevent leaks by rejuvenating seals before they leak. Also designed with Anti-wear System Protection, Prestone PSF+SL protects against pump failure, squeals and clogs. This 50,000 mile fluid life is formulated for use in all manufacturers; cars, SUVs, crossovers, and light and medium duty trucks. This a conventional fluid. Many cars 2006 and newer use synthetic based fluids for longer life and better protection. Conventional and synthetic fluids can be mixed but performance and replacement intervals are reduced by the conventional fluid.

    Product Features:
    • 50,000 Mile Fluid Life
    • Includes Stop Leak Additives to prevent and stop power steering system leaks.
    • Anti-Wear Protection = Increased System Life. Protects against pump failure, squeals and clogs. Corrosion protection for metals, rubber & gasket components.
    • Conventional Formula – For use in all manufacturers
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    Prestone – Power Steering Fluid: All Vehicles, Anti-Wear Protection, 50k miles, 32 oz. (Part No.AS261Y/1)

    Power Steering Fluid: All Vehicles, Anti-Wear Protection, 50k miles, 32 oz.

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    $9.99
    Prestone® Power Steering Fluid (PSF) delivers increased system life. Designed with Anti-wear System Protection, Prestone PSF protects against pump failure, squeals and clogs. This 50,000 mile fluid life is formulated for use in all manufacturers; cars, SUVs, crossovers, and light and medium duty trucks. This a conventional fluid. Many cars 2006 and newer use synthetic based fluids for longer life and better protection. Conventional and synthetic fluids can be mixed but performance and replacement intervals are reduced by the conventional fluid.

    Product Features:
    • 50,000 Mile Fluid Life
    • Anti-Wear Protection = Increased System Life. Protects against pump failure, squeals and clogs. Corrosion protection for metals, rubber & gasket components.
    • For use in all manufacturers
    • Conventional Formula – For use in all manufacturers
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    Prestone – Power Steering Fluid: All Vehicles, With Stop Leak, Restores & Conditions Seals, 50k miles, 12 oz (Part No.AS262)

    Power Steering Fluid: All Vehicles, With Stop Leak, Restores & Conditions Seals, 50k miles, 12 oz

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    $6.99
    Prestone® Power Steering Fluid + Stop Leak (PSF+SL) delivers increased system life and prevents & stops system leaks. Stop Leak additives renew, restore and condition seals in the power steering system. These seals harden and shrink over time which are the likely cause of leaks. The stop leak additives also prevent leaks by rejuvenating seals before they leak. Also designed with Anti-wear System Protection, Prestone PSF+SL protects against pump failure, squeals and clogs. This 50,000 mile fluid life is formulated for use in all manufacturers; cars, SUVs, crossovers, and light and medium duty trucks. This a conventional fluid. Many cars 2006 and newer use synthetic based fluids for longer life and better protection. Conventional and synthetic fluids can be mixed but performance and replacement intervals are reduced by the conventional fluid.

    Product Features:
    • 50,000 Mile Fluid Life
    • Includes Stop Leak Additives to prevent and stop power steering system leaks.
    • Anti-Wear Protection = Increased System Life. Protects against pump failure, squeals and clogs. Corrosion protection for metals, rubber & gasket components.
    • Conventional Formula – For use in all manufacturers
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    Valvoline – High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart (Part No.VV831)

    High Performance Transmission & Differential Gear Oil: Conventional 80W-90, 1 Quart

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    $12.49
    Valvoline High Performance Gear Oil is an extreme pressure gear lubricant formulated with quality base oils and superior additives that helps protect against severe temperatures, shock loads, scuffing, scouring, corrosion and pitting in high speed, high load, high torque and high horsepower conditions.

    Product Features:
    • Formulated for reliable gear protection
    • Protects against severe temperatures to help extend service life
    • Formulated with extreme-pressure additives to minimize gear wear from shock loads
    • Helps protect against gear wear from scuffing, scouring, corrosion and pitting
    • Recommended for conventional hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified
    • PLEASE NOTE: Valvoline recommends SynPower Full Synthetic Gear Oil for limited slip differentials
    See More

    1991 GMC Sonoma Fluids and Chemicals

    You count on your 1991 GMC Sonoma to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fluids and Chemicals. With 48 Fluids and Chemicals ranging in price from $5.99 to $518.99, you’re sure to find everything you need for your 1991 GMC Sonoma.

    Brands matter. If you want to shop a specific Fluids and Chemicals brand, we stock 12 different brands like Prestone, Valvoline, and Mobil Oil. 1991 GMC Sonoma Fluids and Chemicals start as low as $5.99!

    One of the best ways to find top quality OEM or aftermarket Fluids and Chemicals is by asking professionals. Short of that, you can shop with confidence thanks to our 29,911 extensive product reviews on 1991 GMC Sonoma Fluids and Chemicals. Some of the top-rated Fluids and Chemicals products we carry are Advanced 5W-30 Full Synthetic Motor Oil, 1 Quart with 4.9 stars and 5W-30 High Mileage Full Synthetic Engine Oil, 1 Quart with 4.9 stars.

    Did we mention you can order your Fluids and Chemicals from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fluids and Chemicals inventory for your 1991 GMC Sonoma below to get started!

    Top-Rated Fluids and Chemicals Brands For Your 1991 GMC Sonoma

    Trusted Fluids and Chemicals OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1991 GMC Sonoma running right for years to come. In our inventory you’ll find brands like Prestone, Valvoline, Mobil Oil, and even more.

    Popular Castrol Fluids and Chemicals

    You’ll find popular Castrol brand products across Transmission Fluids. All are waiting to get your 1991 GMC Sonoma back on the road. Some of the top-rated Castrol products in these categories are:
    Transmax ATF DEXRON®-VI Automatic Transmission Fluid 1 Quart
    from $14.79
    (118)
    Transmax ATF DEXRON®-VI Automatic Transmission Fluid 1 Quart
    Automatic Transmission Fluids
    Domestic Multi-vehicle (ATF) Automatic Transmission Fluid (1 Quart)
    from $7.99
    (8)
    Domestic Multi-vehicle (ATF) Automatic Transmission Fluid (1 Quart)
    Automatic Transmission Fluids

    FAQs for 1991 GMC Sonoma Fluids and Chemicals

    What are the most purchased Fluids and Chemicals for the 1991 GMC Sonoma?

    Out of 48 Fluids and Chemicals for the 1991 GMC Sonoma, the most popular in our inventory are:
    Antifreeze and Coolant: 50/50 Ready To Use, Universal, Protects Against Corrosion, 1 Gallon
    from $14.99
    This product is not rated
    Antifreeze and Coolant: 50/50 Ready To Use, Universal, Protects Against Corrosion, 1 Gallon
    Engine Coolant and Antifreeze
    Antifreeze and Coolant: Concentrate, Universal, Protects Against Buildup And Rust, 1 Gallon
    from $17.99
    This product is not rated
    Antifreeze and Coolant: Concentrate, Universal, Protects Against Buildup And Rust, 1 Gallon
    Engine Coolant and Antifreeze

    What are the top-rated 1991 GMC Sonoma Fluids and Chemicals?

    Top-rated Fluids and Chemicals for your 1991 GMC Sonoma based on customer reviews/ratings are:
    Advanced 5W-30 Full Synthetic Motor Oil, 1 Quart
    from $11.99
    (1809)
    Advanced 5W-30 Full Synthetic Motor Oil, 1 Quart
    “Great”
    5W-30 High Mileage Full Synthetic Engine Oil, 1 Quart
    from $12.49
    (1046)
    5W-30 High Mileage Full Synthetic Engine Oil, 1 Quart
    “Excelent.”