1985 GMC P3500 Lubricants

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Keep Your 1985 GMC P3500 in Top Shape with a Quality Lubricant

When it comes to maintaining or upgrading your 1985 GMC P3500, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Lubricant for your P3500. We currently carry a top Lubricant in stock that is built to last. Whether you’re replacing a damaged Lubricant or looking to upgrade, our selection for the 1985 GMC P3500 ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Essential 1985 GMC P3500 Lubricants

Yukon Gear – Friction Modifier / Posi Additive (Part No.15018)

Friction Modifier / Posi Additive

from

$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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Quaker State – 5W-30 Full Synthetic Motor Oil, Maximizes Horsepower, 1 Quart (Part No.550046169)

5W-30 Full Synthetic Motor Oil, Maximizes Horsepower, 1 Quart

from

$8.79
Quaker State Full Synthetic 5W-30 motor oil provides strong engine performance and protection against deposits between oil changes. It’s ideal for use in today’s technologically advanced engines and high-performance vehicles like sports cars, SUVs, trucks, and minivans. It is compatible with biofuels ranging from E10 to E85 and is suitable for hybrid vehicles. Designed to deliver more power and less friction, Quaker State Full Synthetic helps to maximize horsepower. It provides excellent lubrication in both high and low temperatures and maintains the viscosity from start to finish, offering optimal protection. Better for severe driving conditions than conventional and synthetic blend oils, Quaker State Full Synthetic protects against the formulation of sludge and other harmful deposits and provides improved fuel economy. For a full list of equipment approvals and recommendations, please consult your local Quaker State Technical Help Desk and always consult your owner’s manual.

Product Features:
  • Full synthetic 5W-30 motor oil provides strong engine performance and protection against deposits between oil changes Ideal for use in modern turbocharged engines and high-performance vehicles like sports cars, SUVs, trucks, and minivans
  • Cash back when you get there. (Enrollment required. Keep your receipts. Other conditions apply.) See QuakerState.com
  • Helps protect against the effects of low-speed pre-ignition (LSPI) in modern turbocharged engines.
  • Provides excellent protection against the formation of sludge and other harmful deposits when compared to Quaker State Synthetic Blend Motor Oil
  • Superior lubrication flow and pumpability at high and low temperatures when compared to Quaker State Synthetic Blend Motor Oil
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Shell – T4 Triple Protection 15W-40 Synthetic Blend Diesel Engine Oil, 2.5 Gallon (Part No.550045127)

T4 Triple Protection 15W-40 Synthetic Blend Diesel Engine Oil, 2.5 Gallon

from

$54.99
T4 Triple Protection 15W-40 Synthetic Blend Diesel Engine Oil delivers advanced performance for diesel engines, combining cutting-edge technology with the trusted durability of Triple Protection®. This synthetic blend is engineered to provide enhanced protection against oxidation, wear, and deposits, ensuring your engine stays cleaner and operates more efficiently. Designed for heavy-duty applications, it sustains emission control system durability in particulate filters and after-treatment systems, making it ideal for modern diesel engines. With its SAE 15W-40 weight, this oil adapts to demanding driving conditions, offering reliable performance and long-lasting protection. Perfect for those who rely on their engines for hard work, this 2.5-gallon solution ensures value and peace of mind with every use.

Product Features:


    Product Features:
    • Triple Protection® from wear, deposits and oil breakdown, this conventional Diesel Engine Oil provides exceptional wear protection for heavy duty engines for longer life(1)
    • Formulated with advanced additive technology, which is engineered for superior engine cleanliness throughout the oil drain interval
    • Provides increased shear stability for better viscosity control and optimal engine oil pressure
    • Heightens emission control system durability and improves oil aeration
    • Provides enhanced protection against oil oxidation for more efficient operation
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Castrol – Transmax High Mileage Transmission Fluid, Restores Smooth Shifting, 1 Gallon (Part No.1599F1)

Transmax High Mileage Transmission Fluid, Restores Smooth Shifting, 1 Gallon

from

$49.99
Product Features:
  • Additional seal conditioners to prevent or help stop leaks
  • Extra cleaning agents to reduce varnish and sludge formulation
  • Protects against clutch wear
  • Restores smooth shifting
  • Greater frictional durability provides superior transmission performance
  • Can be used in a wide variety of specifications including DEXRON«-IIIH, MERCON«áand JASO-1A.
  • Exceeds all passenger car and light truck manufacturer┐s warranty requirements for vehicles, transmissions or power steering service where a DEXRON«-IIIH or MERCON« type ATF is specified
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Quaker State – 5W-30 Synthetic Blend Motor Oil, Reduces Engine Wear, 5 Quart (Part No.550044963)

5W-30 Synthetic Blend Motor Oil, Reduces Engine Wear, 5 Quart

from

$26.99
Quaker State 5W-30 motor oil is a synthetic blend formulation that helps engines survive daily commutes from high-speed highway operation to repetitive, stop-and-go driving. It maintains the required viscosity from start to finish, providing optimal protection. Quaker State Motor Oil combats engine sludge and deposits, providing rust protection from harmful acids generated by engine contaminants. It reduces engine wear, providing durable wear protection. Quaker State 5W-30 Motor Oil meets or exceeds the following OEM requirements: Chrysler MS-6395; Ford WSS M2C946-A, Ford WSS M2C946-B1; GM 6094M. It exceeds the requirements of the following industry specifications: API SP and all previous categories; ILSAC GF-6a and all previous ILSAC standards. For a full list of equipment approvals and recommendations, please consult your local Quaker State Technical Help Desk and always consult your owner’s manual.

Product Features:
  • Synthetic blend 5W-30 engine oil that provides durable wear protection and reduces engine wear
  • Provides corrosion protection against harmful acids generated by engine contaminants
  • Maintains viscosity from start to finish, providing optimal oil film protection
  • Helps engines survive daily commutes from high-speed highway operation to repetitive, stop-and-go driving
  • Combats engine sludge and deposits
  • Formulated to exceed industry specifications: ILSAC GF-6A, API SP/SP-Resource Conserving and all previous categories
  • Meets OEM requirements: Chrysler MS-6395, Ford WSS M2C946-A, Ford WSS M2C946-B1, GM 6094M
  • Formerly known as Quaker State Advanced Durability 5W-30 motor oil
  • Synthetic Blend Formulation: Quaker State 5W-30 motor oil is a synthetic blend that helps engines endure daily commutes, from high-speed highway driving to repetitive stop-and-go traffic.
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Pennzoil – Platinum 5W-30 Full Synthetic Motor Oil, Maximizes Engine Protection, 1 Quart (Part No.550022689)

Platinum 5W-30 Full Synthetic Motor Oil, Maximizes Engine Protection, 1 Quart

from

$11.49
Pennzoil Platinum Full Synthetic 5W-30 is designed to maximize engine protection and is backed by a 15,000-mile protection guarantee (see Warranty Information below) to protect your pursuit of every mile. Made with natural gas, it is formulated for complete protection for top engine performance. Pennzoil Platinum offers cleaner pistons (based on Sequence IIIH results), helps protect engines from loss of power, delivers better fuel economy (based on the latest industry standard), provides unsurpassed wear protection (based on Sequence IVA wear test using SAE 5W-30), and provides excellent performance in extreme temperatures. (Pennzoil Platinum Lubrication Limited Warranty: Protection for up to 15,000 miles or one year, whichever comes first. Use an oil filter designed for longer oil change intervals and follow OEM manual and vehicles oil life sensor to maintain OEM warranty. Excludes severe driving conditions, including racing and commercial use. Your engine must have fewer than 125,000 miles and have been manufactured in the past 72 months. Enrollment required. Other conditions apply. See pennzoil.com/warranty to enroll and for full details and terms.)

Product Features:
  • Full synthetic 5W-30 motor oil that is made with natural gas and designed to maximize engine protection
  • Backed by a 15,000-mile protection guarantee to protect your pursuit of every mile
  • Provides better fuel economy (based on the latest industry standards)
  • Keeps pistons cleaner than required by the toughest industry standard (based on Sequence IIIH results)
  • Designed for high-performance engines
  • Formulated to provide faster low-temperature oil flow and protection in extreme heat
  • Helps protect engines from loss of power
  • Meets or exceeds the requirements of the following industry specifications: API SP, API SP-Resource Conserving, and all previous categories; ILSAC GF-6A
  • Meets or exceeds the following OEM requirements: Chrysler MS-6395, MS-13340; GM dexos1 Gen. 3; Ford WSS-M2C961-A1
  • For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual
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Pennzoil – Platinum High Mileage 5W-30 Full Synthetic Motor Oil, Stops Leaks, 1 Quart (Part No.550042728)

Platinum High Mileage 5W-30 Full Synthetic Motor Oil, Stops Leaks, 1 Quart

from

$11.49
Pennzoil Platinum High Mileage Full Synthetic 5W-30 is designed to maximize engine protection and is formulated to help stop leaks in engines with more than 75,000 miles. Backed by a 15,000-mile protection guarantee to keep you covered between oil changes and for the long run (see Warranty Information below), it is the first of its kind full synthetic high mileage oil made with natural gas and is designed to deliver less oil burn off than other high mileage oils (based on Sequence IIIH results). Pennzoil Platinum High Mileage motor oil conditions seals on older engines to give added protection to high-mileage vehicles. It offers complete protection mile after thrilling mile as it protects engines from loss of horsepower, offers excellent performance in extreme temperatures, provides unsurpassed wear protection (based on Sequence IVA wear test using SAE 5W-30), and provides better fuel economy (based on the latest industry standards). (Pennzoil Platinum Lubrication Limited Warranty: Protection for up to 15,000 miles or one year, whichever comes first. Use an oil filter designed for longer oil change intervals and follow OEM manual and vehicles oil life sensor to maintain OEM warranty. Excludes severe driving conditions, including racing and commercial use. Your engine must have fewer than 125,000 miles and have been manufactured in the past 72 months. Enrollment required. Other conditions apply. See pennzoil.com/warranty to enroll and for full details and terms.)

Product Features:
  • Full synthetic 5W-30 engine oil designed for vehicles with more than 75,000 miles
  • Backed by a 15,000-mile protection guarantee to keep you covered between oil changes and for the long run
  • Keeps pistons cleaner than required by the toughest industry standard (based on Sequence IIIH results)
  • Proven to help stop leaks for engines with more than 75,000 miles
  • Formulated to deliver less oil burn-off than high-mileage motor oils made from crude oil
  • Provides better fuel economy (based on the latest industry standards) and helps protect horsepower
  • Provides faster low-temperature oil flow and protects in extreme heat
  • Exceeds the requirements of the following industry specifications: API SP, API SP-Resource Conserving, and all previous categories; ILSAC GF-6A
  • Meets or exceeds the following OEM requirements: Chrysler MS-6395; Ford WSS-M2C961-A1
  • For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual
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Pennzoil – Full Synthetic 5W-30 Motor Oil, Go Farther Between Oil Changes, 1 Quart (Part No.550058600)

Full Synthetic 5W-30 Motor Oil, Go Farther Between Oil Changes, 1 Quart

from

$9.49
Pennzoil 5W-30 Full Synthetic motor oil is designed to let you go farther between oil changes. It provides better engine protection and is backed by a 10,000-mile protection guarantee to give you peace of mind that your engine is protected now and for all the miles ahead. Pennzoil Full Synthetic motor oil is formulated for longer drain intervals than conventional and synthetic blend motor oils, offers enhanced wear protection in high and low temperatures, provides excellent resistance to oil breakdown in severe environments, and helps prevent sludge and deposit build-up. Suitable for both new and old engines. (Compared to Pennzoil motor oil. Pennzoil Full Synthetic Lubrication Limited Warranty: Protection for up to 10,000 miles or one year, whichever comes first. Use an oil filter designed for longer oil change intervals and follow OEM manual and vehicles oil life sensor to maintain OEM warranty. Excludes severe driving conditions, including racing and commercial use. Your engine must have fewer than 125,000 miles and have been manufactured in the past 72 months. Enrollment required. Other conditions apply. See pennzoil.com/warranty to enroll and for full details and terms.)

Product Features:
  • Full Synthetic 5W-30 motor oil provides better engine protection to give you peace of mind
  • Backed by a 10,000-mile protection guarantee to help you go farther between oil changes (see Warranty Information below)
  • Suitable for both new and old engines
  • Offers enhanced wear protection in high and low temperatures
  • Do fewer oil changes compared to conventional motor oil formulated for longer drain intervals than conventional and synthetic blend motor oils
  • Provides excellent resistance to oil breakdown in severe environments
  • Helps prevent sludge and deposit build-up
  • Exceeds the following industry requirements: API SP-Resource Conserving and all previous categories; ILSAC GF-6A
  • Meets or exceeds the requirements of the following OEM specifications: Chrysler MS-6395; Ford WSS-M2C961-A1
  • For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual
See More

Shell – T4 Triple Protection 15W-40 Diesel Engine Oil, Enhanced Oxidation Protection, 5 Gallon (Part No.550045128)

T4 Triple Protection 15W-40 Diesel Engine Oil, Enhanced Oxidation Protection, 5 Gallon

from

$99.99
T4 Triple Protection 15W-40 Diesel Engine Oil delivers advanced performance for hardworking diesel engines, combining cutting-edge technology with proven reliability. This synthetic blend oil is specifically engineered for diesel engines, offering enhanced protection against oxidation, wear, and deposits to ensure optimal cleanliness and efficiency. Its improved formula sustains emission control system durability, making it ideal for vehicles equipped with particulate filters and after-treatment systems. Designed to adapt to demanding driving conditions, this 15W-40 oil provides superior protection for heavy-duty applications while promoting smoother operation and extended engine life. With a 5-gallon capacity, it delivers exceptional value for fleet operators and individual users seeking dependable performance and long-term durability.

Product Features:


    Product Features:
    • Enhanced protection against oxidation
    • Enhanced wear protection
    • Improved deposit control/cleanliness
    • Sustained emission control system durability in particulate filters and after-treatment systems. (Compared to prior Shell Rotella® Triple Protection® 15W-40.)
    • Provides enhanced protection against oil oxidation for more efficient operation
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Most Popular Gear Oil for 1985 GMC P3500s

Enhance your 1985 GMC P3500 with this popular Gear Oil we have in stock, for $17.99.

Yukon Gear – Friction Modifier / Posi Additive (Part No.15018)

Friction Modifier / Posi Additive

from

$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
See More

FAQs for 1985 GMC P3500 Lubricants

What’s the price range for 1985 GMC P3500 Lubricants?

We currently have just one Lubricants for the 1985 GMC P3500 in stock: Friction Modifier / Posi Additive and it costs $17.99.

Does Advance Auto Parts sell Lubricants for other GMC P3500 model years?

Yes, we carry Lubricants for 19 model years of GMC P3500s between 1979 and 1999. The following model years are the most popular for Lubricant purchases: 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, and 1991.

Does Advance Auto Parts sell Lubricants for any other 1985 GMC models?

Yes. We stock Lubricants for 15 other popular 1985 GMC models. Some of the most popular are 1985 Jimmy Lubricants, 1985 K2500 Lubricants, 1985 C2500 Lubricants, 1985 K1500 Lubricants, and 1985 C1500 Lubricants.

What types of Lubricants do you sell for my 1985 GMC P3500?

We currently have just 1 Lubricant in stock for a 1985 GMC P3500, and as of 3/1/26, it is a Gear Oil.

Can I get help with 1985 GMC P3500 Lubricant orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Lubricants and more.

What is your return policy for GMC P3500 Lubricants?

Advance Auto Parts keeps returns simple. For new GMC P3500 Lubricants and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.