1966 Chrysler 300 Fluids

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Keep Your 1966 Chrysler 300 in Top Shape with a Quality Fluid

When it comes to maintaining or upgrading your 1966 Chrysler 300, 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 Fluid for your 300. We currently carry a top Fluid in stock that is built to last. Whether you’re replacing a damaged Fluid or looking to upgrade, our selection for the 1966 Chrysler 300 ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

A Reliable Fluid from a Trusted Brand

When it comes to trusted Fluid brands, we’ve got you covered. Our inventory features a Fluid from Valvoline, a brand you can count on. This Fluid starts at just $34.99 and has a rating of 5 stars from over 6 customer reviews. After you purchase your 1966 Chrysler 300 Fluid you can scroll below to see options other Chrysler 300 owners are loving. Even with only one Fluid in stock, you can be confident you’re getting the best option available and designed to fit your 300 perfectly, offering both functionality and style.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Coolant/Antifreeze and Engine Additives to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1966 Chrysler 300 running smoothly and looking great.

Essential 1966 Chrysler 300 Fluids

Valvoline – Restore & Protect Automatic Transmission Fluid 1 Qt (Part No.913031)

Restore & Protect Automatic Transmission Fluid 1 Qt

from

$14.99
Most transmissions are automatic. Now, so is choosing an ATF. Introducing Valvoline Restore & Protect Automatic Transmission Fluid, a premium full synthetic ATF suitable for use in 95% of vehicles. Leveraging innovation from our groundbreaking Valvoline Restore & Protect Motor Oil, the same trusted technology is now available in transmission care. Restore & Protect ATF provides up to 97% deposit removal with Active Dissolve Technology, so there’s no need to add a transmission cleaner. Valvoline’s full synthetic formula outperforms conventional ATF with outstanding protection against friction, thermal stability and transmission breakdown. The high performance multi-vehicle protection revitalizes, defends and maximizes automatic transmission life. Whether it’s a Ford, GM, Toyota, Honda, Hyundai, Subaru, BMW, Mercedes, VW and more, you get exceptional performance in any driving condition. For unsurpassed deposit removal and smoother shifting, trust Valvoline Restore & Protect Full Synthetic Automatic Transmission Fluid, from the number 1 ATF brand.

Product Features:
  • Removes up to 97% of damaging deposits with Active Dissolve Technology, so you can skip the transmission cleaner
  • The number 1 ATF brand brings the same innovation from Valvoline Restore & Protect Motor Oil to its groundbreaking automatic transmission fluid technology
  • Valvoline Restore & Protect Automatic Transmission Fluid is suitable for use in more than 95% of ATF vehicles in operation with US registered light duty applications
  • Premium full synthetic formula with advanced additive chemistry fights harmful friction and thermal breakdown to help prevent costly transmission repairs
  • Proven to maximize transmission life, the high performance protection revitalizes, defends, minimizes deposits and ensures smooth shifting
  • Recommended For Use In Applications Requiring Dexron 6, Dexron 3, Dexron 2, Mercon Lv, And Jaso M315-2013 1A-Lv
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Valvoline – ATF+4® Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.883587)

ATF+4® Full Synthetic Automatic Transmission Fluid, 1 Gallon

from

$34.99
Valvoline ATF+4 is a full-synthetic transmission fluid specifically engineered to protect and prolong the life of (FCA) Fiat Chrysler automatic transmissions. It is officially licensed and approved by FCA and is fully back-serviceable and can be used wherever ATF+3, ATF+2 or ATF+ is specified. Recommended for use in the following applications: Mopar ATF+ MS 7176, ATF+2 MS 7176, ATF+3 and ATF+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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Valvoline – Extended Protection 5W-30 Full Synthetic Motor Oil, Maximizes Engine Life, 5 Quart (Part No.899391)

Extended Protection 5W-30 Full Synthetic Motor Oil, Maximizes Engine Life, 5 Quart

from

$38.99
Introducing the ultimate protection for vehicles with more than 75,000 miles: Valvoline Extended Protection Full Synthetic High Mileage Motor Oil with Ultra MaxLife Technology. Engineered to maximize engine life, it’s 10x stronger against oil breakdown and provides 50% better wear protection than industry standards. The new formulation combines Valvoline’s premium full synthetic with Ultra MaxLife Technology featuring seal conditioners to rejuvenate aging seals and prevent oil leaks. The result is our best performing motor oil ever for high mileage vehicles. It helps prevent engine breakdown in extreme operating conditions and is proven to protect high-mileage motors against wear, friction, heat, and deposits – the leading causes of expensive repairs. After 75,000 miles, your engine is ready for greater protection. Upgrade to Valvoline Extended Protection Full Synthetic High Mileage with Ultra MaxLife Technology and keep your car on the road for years to come.

Product Features:
  • Our best performing high-mileage engine oil is formulated with ultra maxlife technology, the ultimate protection for vehicles with more than 75,000 miles
  • Valvoline extended protection full synthetic high mileage engine oil is designed with premium seal conditioners to treat and prevent oil leaks
  • 10x stronger against oil breakdown and 50% greater wear protection than industry standards
  • Enhanced wear additives and friction-fighting agents to safeguard critical engine components
  • Maximizes engine life: Valvoline Extended Protection Full Synthetic High Mileage Engine Oil is engineered to maximize engine life, providing superior wear protection and preventing expensive repairs.
  • Ultra MaxLife Technology: The new formulation combines Valvoline’s premium full synthetic with Ultra MaxLife Technology featuring seal conditioners to rejuvenate aging seals and prevent oil leaks.
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Castrol – Edge High Mileage 5W-30 Full Synthetic Motor Oil, Reduces Leaks & Deposits, 5 Quart (Part No.15906E)

Edge High Mileage 5W-30 Full Synthetic Motor Oil, Reduces Leaks & Deposits, 5 Quart

from

$37.99
Castrol® EDGE® High Mileage 5W-30 is an advanced full synthetic motor oil that is specifically designed for vehicles with over 75,000 miles. It’s been engineered to provide Superior Protection in 7 Critical Areas including corrosion prevention, sludge Control, timing and friction wear and also contains a proprietary additive to protect the emission system. Our Phosphorus Replacement Technology reduces harmful phosphorus to protect the catalytic converter and extend maximum performance for your high mileage vehicle.

Product Features:
  • Phosphorus Replacement Technology to help extend the life of the emission system
  • Reduces leaks, oil burnoff and power robbing deposits
  • 15,000 miles between oil changes (1)
  • (1) Or one year, whichever comes first
  • Meets or exceeds the following specifications:
  • API SP/SN PLUS/SN/SM
  • ILSAC GF-6
  • Meets Ford WSS-M2C947-B1
  • Meets engine test requirements of Chrysler MS 6395
  • Meets Ford WSS-M2C961-A1
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Mobil 1 – 75W-140 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart (Part No.44815)

75W-140 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart

from

$21.99
Product Features:
  • Mobil 1 synthetic automotive gear lubricant exceeds the highest level of performance requirements for modern passenger vehicles
  • Helps to provide exceptional thermal stability and resistance to high temperature oxidation and extend gear life due to minimal deposits
  • Delivers outstanding protection against low speed/high torque wear, handling severe driving conditions with smooth, efficient performance
  • Compared to conventional hypoid gear lubricants, performs exceptionally over a wide range of temperatures to reduce wear at start up
  • Provides exceptional shear stability, corrosion protection, and enhanced frictional properties
  • Manufacturer Part Number: 102490
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Pennzoil – Ultra Platinum 5W-30 Full Synthetic Motor Oil, Unbeatable Engine Protection, 946 mL (Part No.550040843)

Ultra Platinum 5W-30 Full Synthetic Motor Oil, Unbeatable Engine Protection, 946 mL

from

$169.99
Pennzoil Ultra Platinum Full Synthetic 5W-30 motor oil is our most advanced formulation with unbeatable wear and sludge protection, as well as unbeatable cleanliness. When it comes to torturous driving conditions, trust the unbeatable engine protection(1) of Pennzoil Ultra Platinum. It far exceeds the most stringent car manufacturer requirements for cleanliness and protection (based on ILSAC GF-6); it offers outstanding performance in extreme temperatures and better fuel economy (based on the latest industry standard) Pennzoil Ultra Platinum helps extend the life of your engine and protects for up to 20 years or 750,000 miles, whichever comes first(1)(1), to give you peace of mind to drive every mile as hard as you can, from your daily commute to sand dunes and mountain terrain ((1)Based on Sequence IVA wear test; Sequence IIIH oxidation and deposit test; and the Sequence VH sludge test.if you exclusively use Pennzoil Ultra Platinum Full Synthetic motor oil. Your engine must have fewer than 125,000 miles and have been manufactured in the past 72 months.. .)

Product Features:
  • Our most advanced full synthetic 5W-30 engine oil, designed for unbeatable engine protection(1)
  • Made with natural gas
  • Outstanding performance in extreme temperatures
  • Designed for high-performance engines, it helps protect engines from loss of power
  • Provides unsurpassed wear protection for your engine (based on Sequence IVA wear test using SAE 5W-30)
  • Provides better fuel economy (based on the latest industry standard)
  • Exceeds the requirements of the following industry specifications: API SP-Resource Conserving and all previous categories; ILSAC GF-6A; ACEA A1/B1 and ACEA A5/B5
  • Meets or exceeds the following OEM requirements: Chrysler MS-6395; WSS-M2C961-A1; Honda/Acura HT0-06
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Valvoline – Full Synthetic High Mileage 10W-30 Engine Oil, Maximizes Engine Life, 1 Quart (Part No.VV180)

Full Synthetic High Mileage 10W-30 Engine Oil, Maximizes Engine Life, 1 Quart

from

$11.49
Upgrading your motor oil to Valvoline Full Synthetic High Mileage with MaxLife Technology can help you increase the longevity of your car, truck or SUV with over 75,000 miles. It’s proven to protect your high-mileage motor against wear, friction, heat, and deposits – the leading causes of engine breakdown and expensive repairs. Our exclusive formulation goes beyond industry standards to protect your engine. It’s fortified with enhanced wear additives and friction-fighting agents to safeguard critical engine components, extra detergents to clean inside your engine, and premium seal conditioners to restore aging seals and prevent leaks. Superior viscosity modifiers and high-quality base oils help it perform exceptionally in both high and low temperatures. Engineered with ingenuity, tested with tenacity, and proven with purpose, our formula was innovated in America with a century and a half of hands-on experience from the original motor oil brand.

Product Features:


    Product Features:
    • Enhanced maxlife technology prevents engine breakdown in extreme conditions with 50% better wear protection than the industry standard
    • Treat and prevent leaks with premium seal conditioners to keep oil out of places it shouldn’t be
    • 25% extra defense against deposits, sludge, corrosion and rust via interior-cleansing detergents
    • Extreme temperature protection through our high-quality base oils and superior viscosity modifiers
    • Meets or exceeds all requirements of ilsac gf-6a, api sp, api sn with sn plus, api sn
    • Extends engine life: Valvoline Full Synthetic High Mileage with MaxLife Technology is designed to extend the life of higher mileage vehicles, providing superior protection against wear, friction, heat, and deposits
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Valvoline – Advanced Full Synthetic 10W-30 Motor Oil, Maximizes Engine Life, 1 Quart (Part No.VV935)

Advanced Full Synthetic 10W-30 Motor Oil, Maximizes Engine Life, 1 Quart

from

$11.49
Today’s advanced engine technology requires advanced protection. Valvoline Advanced Full Synthetic, the motor oil designed to protect today’s sophisticated engines, contains premium anti-wear additives, superior antioxidants and extra detergents. It protects 40% better against wear, resists oil breakdown 10-times better, and defends 25% more against deposits than industry standards for maximum performance and engine longevity. And with an exceptional range of temperature protection your engine will ready for extreme weather. Valvoline invented motor oil 150 years ago, and we’ve been reinventing it ever since. Get Valvoline Advanced Full Synthetic and give your engine the advanced protection proven to maximize engine life.

Product Features:
  • ADVANCED PROTECTION AGAINST the four main causes of engine breakdown: wear friction heat and deposits
  • 40% BETTER WEAR PROTECTION vs. industry standard as tested in the Sequence IVB engine test
  • 25% BETTER DEPOSIT PROTECTION with superior engine cleaning detergents as tested in the GMOD engine test
  • EXCEPTIONAL HIGH/LOW TEMPERATURE PROTECTION defends your motor no matter the weather conditions
  • MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN
  • Enhanced Oil Stability: This motor oil resists oil breakdown 10 times better than industry standards, providing consistent performance and reliability.
  • Premium Additives: Contains premium anti-wear additives, superior antioxidants, and extra detergents to maintain engine health and efficiency.
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Valvoline – MaxLife 5W-30 Synthetic Blend Motor Oil, Prevents Engine Breakdown, 5 Quart (Part No.782256)

MaxLife 5W-30 Synthetic Blend Motor Oil, Prevents Engine Breakdown, 5 Quart

from

$31.99
75,000 miles is more than a mile marker. It’s a signal that your engine is ready for greater protection. That’s when you need Valvoline High Mileage with MaxLife Technology Motor Oil. Its exclusive formula is proven to maximize engine life in cars, trucks, and SUVs with over 75,000 miles. Our mixture is specially developed with a unique combination of synthetic and premium conventional oils to protect your high-mileage motor against wear, friction, heat, and deposits – the four major causes of engine breakdown and expensive repairs. Anti-wear additives defend critical engine components, advanced friction-fighting agents reduce heat and abrasion, added detergents clean the inside of your engine, and premium seal conditioners handle aging seals to prevent leaks. It fights sludge, corrosion and rust that can rob your engine of horsepower, fuel efficiency and longevity. From extreme temperatures and cold starts to stop-and-go traffic and frequent short trips, viscosity modifiers make sure the oil flows more easily, coats more completely, and resists thermal breakdown under even the most intense driving conditions. Its unique mixture curbs contaminants to keep high-mileage engines from burning and consuming oil that can foul spark plugs, creating higher emissions and causing your motor to run roughly.

Product Features:
  • MAXLIFE TECHNOLOGY PREVENTS engine breakdown with 40% better wear protection than the industry standard
  • REFRESH AGING SEALS AND PREVENT LEAKS with seal conditioners
  • REDUCE SLUDGE, DEPOSITS, CORROSION, AND RUST with added detergents – keep motors clean inside
  • ENHANCED FRICTION PERFORMANCE HELPS MAXIMIZE POWER with advanced friction-fighting agents
  • MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN
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Royal Purple – MaxGear SAE 75W140 High Performance Gear Oil w/Friction Modifier Additive, 1 QT (Part No.01301)

MaxGear SAE 75W140 High Performance Gear Oil w/Friction Modifier Additive, 1 QT

from

$26.49
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 – Extended Performance 5W-30 High Mileage Full Synthetic Motor Oil, 5 Quart (Part No.15021)

Extended Performance 5W-30 High Mileage Full Synthetic Motor Oil, 5 Quart

from

$41.99
You trust your car to keep you going, even after 75,000 miles. Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-30 gives engines with over 75,000 miles the extra care they need to go the distance. Formulated to help prevent leaks, it helps to protect critical engine parts for up to 20,000 miles between oil changes, guaranteed.(1) Utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of maximized engine power. This cutting-edge formula is recommended by ExxonMobil for all types of modern vehicles, including high-performance, turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks. Mobil 1 is America’s No. 1 synthetic motor oil brand at retail,(2) trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR. ((1)Protects for up to 20,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US. (2)Source: The NPD Group/Retail Tracking Service/Dollar Sales/PCMO full-synthetic/52 weeks ending July 1, 2023)

Product Features:
  • Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-30 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes (1)
  • Utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power
  • Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy
  • Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -40 degrees F)
  • Helps extend engine life by working to prevent damaging deposits and sludge buildup
  • Manufacturer Part Number: 123843
  • Versatile Compatibility: Recommended for all types of modern vehicles, including high-performance, turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks.
  • Trusted Brand: Mobil 1 is America’s No. 1 synthetic motor oil brand at retail, trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR«.
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Valvoline – SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart (Part No.VV982)

SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Quart

from

$18.99
Valvoline SAE 75W-140 Full Synthetic Gear Oil provides the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Engineered to outperform, our formulation provides 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 and wear resistance, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. It’s recommended for conventional rear axles and transmissions requiring EP gear lubes under high speed, high load, high torque and high horsepower conditions.

Product Features:
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -22F to 390F 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 REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-3
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Ford M2C-192A, GM 12346140, Chrysler MS-8985 and API GL-4
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Valvoline – High Mileage 5W-30 Synthetic Blend Motor Oil, Prevents Engine Breakdown, 5 Quart (Part No.881163)

High Mileage 5W-30 Synthetic Blend Motor Oil, Prevents Engine Breakdown, 5 Quart

from

$29.99
75,000 miles is more than a mile marker. It’s a signal that your engine is ready for greater protection. That’s when you need Valvoline High Mileage with MaxLife Technology Motor Oil. Its exclusive formula is proven to maximize engine life in cars, trucks, and SUVs with over 75,000 miles. Our mixture is specially developed with a unique combination of synthetic and premium conventional oils to protect your high-mileage motor against wear, friction, heat, and deposits – the four major causes of engine breakdown and expensive repairs. Anti-wear additives defend critical engine components, advanced friction-fighting agents reduce heat and abrasion, added detergents clean the inside of your engine, and premium seal conditioners handle aging seals to prevent leaks. It fights sludge, corrosion and rust that can rob your engine of horsepower, fuel efficiency and longevity. From extreme temperatures and cold starts to stop-and-go traffic and frequent short trips, viscosity modifiers make sure the oil flows more easily, coats more completely, and resists thermal breakdown under even the most intense driving conditions. Its unique mixture curbs contaminants to keep high-mileage engines from burning and consuming oil that can foul spark plugs, creating higher emissions and causing your motor to run roughly.

Product Features:
  • MAXLIFE TECHNOLOGY PREVENTS engine breakdown with 40% better wear protection than the industry standard
  • REFRESH AGING SEALS AND PREVENT LEAKS with seal conditioners
  • REDUCE SLUDGE, DEPOSITS, CORROSION, AND RUST with added detergents – keep motors clean inside
  • ENHANCED FRICTION PERFORMANCE HELPS MAXIMIZE POWER with advanced friction-fighting agents
  • MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN
  • MaxLife Technology: Valvoline High Mileage with MaxLife Technology is specially formulated to maximize engine life in vehicles with over 75,000 miles, providing superior protection against wear, friction, heat, and deposits.
  • Synthetic Blend Composition: This motor oil features a unique combination of synthetic and premium conventional oils, ensuring optimal performance and protection for high-mileage engines.
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Valvoline – MaxLife 10W-30 Synthetic Blend Motor Oil, Fights Engine Wear, 5 Gallon Box (Part No.881052)

MaxLife 10W-30 Synthetic Blend Motor Oil, Fights Engine Wear, 5 Gallon Box

from

$104.99
If you have over 75,000 miles, you need the superior protection of America’s first high mileage Motor Oil. Valvoline High Mileage MaxLife helps extend the life of your vehicle by fighting the four major signs of engine wear – reduced power, loss of fuel economy, oil leaks and increased oil consumption. The synthetic blend formula contains extra additives designed to combat these problems unique to aging cars and trucks. Valvoline High Mileage with Maxlife Technology meets the API SN with SN PLUS specification, protecting gasoline direct injected engines from low-speed pre-ignition.

Product Features:


    Product Features:
    • Seal conditioners rejuvenate aging engine seals to help stop and prevent oil leaks
    • Extra wear protection helps prevent future engine wear
    • Extra detergents help keep older engines cleaner by bonding with and removing sludge and deposits
    • Anti-oxidants help prevent oil breakdown, preventing engine-clogging sludge and deposit formation
    • Designed to protect gasoline direct-injected engines from low-speed pre-ignition, ensuring optimal performance and reliability in modern vehicles.
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Valvoline – Premium 10W-30 Conventional Motor Oil, Anti-Wear Protection, 1 Quart (Part No.797578/VV129)

Premium 10W-30 Conventional Motor Oil, Anti-Wear Protection, 1 Quart

from

$7.99
For as long as there have been cars, theres been someone under the hood looking for a few more horses. And Valvolines been right there too, hard at work creating the next great oil for the next great engine. Valvolines conventional was one of the first all-climate motor oils ever created and still represents Valvolines unending commitment to excellence and innovation.

Product Features:


    Product Features:
    • Helps protects against all types of deposits at all temperatures to keep engines clean
    • Formulated with durable anti-wear additives that stay in the oil longer to improve protection
    • Formulated to resist oil thickening by providing enhanced oxidation control
    • Flows easily at low temperatures, helping to protect the engine at start-up
    • Provides reliable lubrication to reduce friction and wear, ensuring smoother engine performance over time.
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Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$9.99
Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:
  • FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
  • HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
  • IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
  • ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations
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Mobil 1 – Extended Performance 5W-30 Full Synthetic Engine Oil, Prevents Leaks, 1 Quart (Part No.15018)

Extended Performance 5W-30 Full Synthetic Engine Oil, Prevents Leaks, 1 Quart

from

$12.99
You trust your car to keep you going, even after 75,000 miles. Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-30 gives engines with over 75,000 miles the extra care they need to go the distance. Formulated to help prevent leaks, it helps to protect critical engine parts for up to 20,000 miles between oil changes, guaranteed.(1) Utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of maximized engine power. This cutting-edge formula is recommended by ExxonMobil for all types of modern vehicles, including high-performance, turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks. Mobil 1 is America’s No. 1 synthetic motor oil brand at retail,(2) trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR. ((1)Protects for up to 20,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US. (2)Source: The NPD Group/Retail Tracking Service/Dollar Sales/PCMO full-synthetic/52 weeks ending July 1, 2023)

Product Features:
  • Mobil 1 extended performance high mileage full-synthetic engine oil 5w30 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes (1)
  • Utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power
  • Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy
  • Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -40 degrees F)
  • Helps extend engine life by working to prevent damaging deposits and sludge buildup
  • Manufacturer part number: 123842
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Valvoline – Hybrid ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.898795)

Hybrid ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$14.99
Valvoline is the No. 1 ATF brand, and now we’ve taken it to the next level with our hybrid performance fluid: Valvoline Full Synthetic Hybrid Automatic Transmission Fluid. Specifically designed for hardworking hybrids, Valvoline Full Synthetic Hybrid ATF is suitable for use in more than 95% of hybrid vehicles in operation with registered US ATF full hybrid vehicles (not including mild hybrids, traditional CVT or DCT hybrid models). Valvoline Full Synthetic Hybrid ATF is proven to maximize transmission life, and it’s compatible with copper and the coatings on copper in hybrid transmission, providing greater oxidation stability, insulation for the electrical current, and increased heat transfer capabilities to protect against transmission failure. Look for Valvoline’s complete lineup of hybrid performance fluids, including motor oil and antifreeze/coolant ¿ from the brand trusted for over 150 years.

Product Features:
  • Full synthetic hybrid ATF with Copper Care Technology, from the No. 1 ATF brand
  • Enhanced protection against corrosion that can result in hybrid transmission failure
  • Protects electrical systems maximizing transmission efficiency
  • Increased heat transfer capabilities to protect against higher temperatures produced by hybrids
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Valvoline – Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Gallon (Part No.882505)

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

from

$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 base stocks 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 No. 1 gear oil brand.

Product Features:
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION , ranging from -30 Deg F to 300 Deg F
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTIONá, ranging from -30 Deg F to 300 Deg F
  • 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 THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP HYPOID DIFFERENTIALSáwhere 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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Valvoline – Daily Protection 5W-30 Synthetic Blend Motor Oil, Strong Fuel Efficiency, 5 Quart (Part No.881159)

Daily Protection 5W-30 Synthetic Blend Motor Oil, Strong Fuel Efficiency, 5 Quart

from

$29.99
Valvoline Daily Protection Motor Oil is specially formulated to exceed industry standards for wear, deposit and sludge protection to help keep engines running like new. Developed with high quality additives and premium base oils, it’s designed to flow easily at cold temperatures, reducing wear at startup and providing added protection against motor oil breakdown in tough conditions. For enhanced fuel efficiency, choose Daily Protection Synthetic Blend 5W-20 or 5W-30. Developed with low-friction technology to support strong fuel economy.

Product Features:
  • Extra wear protection designed to help keep automotive engine parts like new
  • Added detergents help protect against sludge and deposits
  • High quality additives resist motor oil breakdown in tough conditions
  • Low-friction formula supports strong fuel efficiency
  • Premium formulation flows easily at low temperatures reducing wear at start-up
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Pennzoil – 5W-30 Full Synthetic Motor Oil, Helps Prevent Sludge Build-Up, 5 Quart (Part No.550058602)

5W-30 Full Synthetic Motor Oil, Helps Prevent Sludge Build-Up, 5 Quart

from

$32.99
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
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Valvoline – High Performance Transmission & Differential Gear Oil: Conventional 75W-90, 1 Quart (Part No.VV820)

High Performance Transmission & Differential Gear Oil: Conventional 75W-90, 1 Quart

from

$12.99
Valvoline High Performance Synthetic Gear Oil is the thermally stabile extreme pressure lubricant that offers outstanding protection for gearboxes and differentials in passenger cars, light trucks, and sport utility vehicles. Combined with high quality synthetic base oils, our formula’s superior additives help reliably safeguard against severe temperatures, shock loads, foaming, scuffing, scouring, corrosion and pitting in high load, high torque and high horsepower conditions. Can be used in conventional and limited slip hypoid differentials where GL-5 is specified as well as non-synchronized manual transmissions that require GL-4. Protect your gears with Valvoline, the #1 gear oil brand.

Product Features:
  • HIGH PERFORMANCE EXTREME-PRESSURE ADDITIVES HELP MINIMIZE WEAR in high pressure and high temperature conditions
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION can easily handle both winter and summer conditions for dependable coverage and protection year-round
  • 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
  • SUPERIOR ADDITIVES help reliably safeguard against severe temperatures, shock loads, foaming, scuffing, scouring, corrosion and pitting in high load, high torque and high horsepower conditions
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Most Popular Transfer Case Fluid for 1966 Chrysler 300s

Enhance your 1966 Chrysler 300 with this popular Transfer Case Fluid we have in stock, for $34.99.

Valvoline – ATF+4® Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.883587)

ATF+4® Full Synthetic Automatic Transmission Fluid, 1 Gallon

from

$34.99
Valvoline ATF+4 is a full-synthetic transmission fluid specifically engineered to protect and prolong the life of (FCA) Fiat Chrysler automatic transmissions. It is officially licensed and approved by FCA and is fully back-serviceable and can be used wherever ATF+3, ATF+2 or ATF+ is specified. Recommended for use in the following applications: Mopar ATF+ MS 7176, ATF+2 MS 7176, ATF+3 and ATF+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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Top-Rated Fluid Brands For Your 1966 Chrysler 300

When it comes to finding the perfect Fluid for your 1966 Chrysler 300, Advance Auto Parts has you covered with our Fluid from Valvoline. This popular brand is known for its exceptional customer ratings and competitive prices, under $34.99. Purchasing a Fluid from us here at Advance Auto Parts is a smart move for both you and your 1966 Chrysler 300, providing peace of mind with parts that meet or exceed OEM standards.

A Reliable Valvoline Fluid For Your 1966 Chrysler 300

If you’re looking for a top-quality Fluid for your 1966 Chrysler 300, Advance Auto Parts has exactly what you need with our Valvoline Fluids. This Fluid has both durability and a precision fit. Coming in at only $34.99, this is the perfect Fluid for your needs and budget. Valvoline Fluids for the 1966 Chrysler 300 come highly rated, with over 1 customer reviews. Choosing a Valvoline Fluid from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
ATF+4® Full Synthetic Automatic Transmission Fluid, 1 Gallon
from $34.99
(1)
ATF+4® Full Synthetic Automatic Transmission Fluid, 1 Gallon
“Bought two of these gallon jugs to replace the transmission fluid as well as the transfer case fluid in a 2012 Jeep Grand Cherokee Laredo 3.6L V6. It ”

FAQs for 1966 Chrysler 300 Fluids

What’s the price range for 1966 Chrysler 300 Fluids?

We currently have just one Fluids for the 1966 Chrysler 300 in stock: ATF+4® Full Synthetic Automatic Transmission Fluid, 1 Gallon and it costs $34.99.

Does Advance Auto Parts sell Fluids for other Chrysler 300 model years?

Yes, we carry Fluids for 34 model years of Chrysler 300s between 1955 and 2023. The following model years are the most popular for Fluid purchases: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

Does Advance Auto Parts sell Fluids for any other 1966 Chrysler models?

Yes. We stock Fluids for 1 other popular 1966 Chrysler models. Some of the most popular are 1966 New Yorker Fluids and 1966 Newport Fluids.

What are the top-rated Fluids that fit the 1966 Chrysler 300?

The one 1966 Chrysler 300 Fluid we have in stock is the ATF+4® Full Synthetic Automatic Transmission Fluid, 1 Gallon. It is rated 5 stars and costs $34.99.

What types of Fluids do you sell for my 1966 Chrysler 300?

We currently have just 1 Fluid in stock for a 1966 Chrysler 300, and as of 3/1/26, it is a Transfer Case Fluid.

Can I get help with 1966 Chrysler 300 Fluid orders?

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

What is your return policy for Chrysler 300 Fluids?

Advance Auto Parts keeps returns simple. For new Chrysler 300 Fluids and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.