1942 Willys Americar Fluids and Chemicals

Essential Fluids and Chemicals for 1942 Willys Americars

ZEREX – G05® Full Strength Concentrate Antifreeze / Coolant, 1 Gallon (Part No.ZXG051)

G05® Full Strength Concentrate Antifreeze / Coolant, 1 Gallon

from

$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
See More

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

from

$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
See More

PEAK – Antifreeze + Coolant, Concentrate, 1 Gallon (Part No.PKP0B3)

Antifreeze + Coolant, Concentrate, 1 Gallon

from

$19.79
PEAK Antifreeze + Coolant Concentrate is specially engineered to deliver guaranteed superior lifetime protection. Its advanced universal formula contains a proprietary blend of 10X the scale-fighting inhibitors coupled with robust organic additives to fight against the damaging effects of scale deposits and corrosion. PEAK Antifreeze + Coolant is free of 2-EHA, silicate, nitrite, borate, and amines, ensuring maximum cooling system performance for 10 years/300,000 miles. It is compatible for use with any color or type of antifreeze/coolant in the system.

Product Features:
  • Specially formulated to deliver Superior Lifetime Protection against damaging scale and corrosion
  • Contains 10X the scale-fighting inhibitors to ensure maximum cooling system performance
  • Provides more coverage for 10+ years/300,000+ miles of service
  • Universal formula is compatible with any color or type of antifreeze/coolant
  • Meets the performance requirements of ASTM D3306 and D4985
See More

ZEREX – G-05 Formula 50/50 Pre-Mixed RTU Antifreeze / Coolant, 1 Gallon (Part No.ZXG05RU1)

G-05 Formula 50/50 Pre-Mixed RTU Antifreeze / Coolant, 1 Gallon

from

$19.99
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
See More

FRAM – Antifreeze & Coolant: Concentrate, Conventional Green, 1 Gallon (Part No.F101)

Antifreeze & Coolant: Concentrate, Conventional Green, 1 Gallon

from

$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.
See More

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
See More

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

from

$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:
  • Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
  • 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
See More

Upgrade your 1942 Willys Americar with Top-Quality Fluids and Chemicals

When it comes to maintaining or upgrading your 1942 Willys Americar, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Willys or enhancing its overall performance, Fluids and Chemicals are key to keeping your Americar functioning at its best. At Advance Auto Parts, we offer a wide selection of 7 Fluids and Chemicals for the 1942 Willys Americar, designed to meet your needs without breaking the bank. From Coolant/Antifreeze replacements to Fluids upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Fluids and Chemicals for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fluids and Chemicals for your 1942 Willys Americar at great prices. Our Fluids and Chemicals inventory for this model ranges from just $9.99 to $35.99, with an average price of $20.53. Our 7 Fluids and Chemicals in stock come from 4 trusted brands, so you’re sure to find the right part for your 1942 Willys Americar without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1942 Willys Americar, we stock popular OEM and aftermarket Fluids and Chemicals from top names like Valvoline ZEREX, and more. Valvoline Fluids and Chemicals start at just $9.99 and boast an impressive 4.8 stars average rating from customers. With 1,820 customer reviews and counting, our 1942 Willys Americar Fluids and Chemicals have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Fluids and Chemical upgrades. Explore related part types like Ignition and Tune-Up Products, Wheels and Tires and more to make sure your 1942 Willys Americar is always ready to roll. We’re committed to providing you with everything you need to keep your Americar in top shape, all in one place. Start shopping confidently below for your 1942 Willys Americar!

Best-Selling Coolant/Antifreeze for 1942 Willys Americars

Enhance the driving experience in your Willys with 5 quality Coolant/Antifreeze components, starting at $15.99.

ZEREX – G05® Full Strength Concentrate Antifreeze / Coolant, 1 Gallon (Part No.ZXG051)

G05® Full Strength Concentrate Antifreeze / Coolant, 1 Gallon

from

$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
See More

ZEREX – G-05 Formula 50/50 Pre-Mixed RTU Antifreeze / Coolant, 1 Gallon (Part No.ZXG05RU1)

G-05 Formula 50/50 Pre-Mixed RTU Antifreeze / Coolant, 1 Gallon

from

$19.99
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
See More

PEAK – Antifreeze + Coolant, Concentrate, 1 Gallon (Part No.PKP0B3)

Antifreeze + Coolant, Concentrate, 1 Gallon

from

$19.79
PEAK Antifreeze + Coolant Concentrate is specially engineered to deliver guaranteed superior lifetime protection. Its advanced universal formula contains a proprietary blend of 10X the scale-fighting inhibitors coupled with robust organic additives to fight against the damaging effects of scale deposits and corrosion. PEAK Antifreeze + Coolant is free of 2-EHA, silicate, nitrite, borate, and amines, ensuring maximum cooling system performance for 10 years/300,000 miles. It is compatible for use with any color or type of antifreeze/coolant in the system.

Product Features:
  • Specially formulated to deliver Superior Lifetime Protection against damaging scale and corrosion
  • Contains 10X the scale-fighting inhibitors to ensure maximum cooling system performance
  • Provides more coverage for 10+ years/300,000+ miles of service
  • Universal formula is compatible with any color or type of antifreeze/coolant
  • Meets the performance requirements of ASTM D3306 and D4985
See More

FRAM – Antifreeze & Coolant: Concentrate, Conventional Green, 1 Gallon (Part No.F101)

Antifreeze & Coolant: Concentrate, Conventional Green, 1 Gallon

from

$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.
See More

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

from

$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
See More

Most Popular 1942 Willys Americar Fluids

Customize your Willys with 2 Fluids products like Manual Transmission Shift Actuator Fluid, all priced under $35.99.

Valvoline – MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon (Part No.773775)

MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon

from

$35.99
Valvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-III, DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.

Product Features:
  • Formulated with full-synthetic base oils and long life friction modifiers to help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
  • 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
See More

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
See More

Top-Rated Fluids and Chemicals Brands For Your 1942 Willys Americar

Shop for the best-rated brands offering Fluids and Chemicals and other products for your 1942 Willys Americars. Below you’ll find some of our best rated Fluids and Chemicals from Valvoline and ZEREX, and more. Fluids and Chemicals from these brands that fit a 1942 Americar start at just $9.99 and are rated as high as 4.8 stars. OEM and aftermarket Fluids and Chemicals don’t get more top quality, durable, and affordable than from the brands below.

Popular Valvoline 1942 Willys Americar Fluids and Chemicals

When it comes to maintaining or upgrading your 1942 Willys Americar, using quality Fluids and Chemicals is essential to ensure durability and a perfect fit. Valvoline ticks all of those boxes. We offer a wide selection of Valvoline Fluids and Chemicals, specifically designed for the 1942 Willys Americar. With over 2 Valvoline brand Fluids and Chemicals in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $9.99, with an average price of just $22.99. Plus, with over 892 customer reviews and an average rating of 4.8 stars, you can trust that our Valvoline Fluids and Chemicals will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
from $35.99
(446)
MaxLife Multi-Vehicle Automatic Transmission Fluid, 1 Gallon
“Synthetic is the way to go”

Popular ZEREX 1942 Willys Americar Fluids and Chemicals

ZEREX auto parts is one of the highest quality Fluids and Chemical brands in the market. Any 1942 Willys Americar owner should feel confident when installing genuine ZEREX parts in their vehicle. To ensure the best fit and performance for your 1942 Americar, Advance Auto Parts carries a full inventory of 2 ZEREX Fluids and Chemicals. Plus you will be keeping your Willys in peak condition while saving money because prices on these ZEREX Fluids and Chemicals range from $19.99 to $22.99, plus, with more than 928 customer reviews and an impressive 4.8 stars average rating, you can be confident the Fram Fluids and Chemicals below will deliver on both quality and value.
G05® Full Strength Concentrate Antifreeze / Coolant, 1 Gallon
from $22.99
(464)
G05® Full Strength Concentrate Antifreeze / Coolant, 1 Gallon
“Worked as it should”
G-05 Formula 50/50 Pre-Mixed RTU Antifreeze / Coolant, 1 Gallon
from $19.99
(464)
G-05 Formula 50/50 Pre-Mixed RTU Antifreeze / Coolant, 1 Gallon
“Approved by Mercedes for use. Price is substantially higher than Pep boys though.”

FAQs for 1942 Willys Americar Fluids and Chemicals

Which Fluids and Chemicals are best-sellers for 1942 Willys Americars?

Out of 7 Fluids and Chemicals that fit 1942 Willys Americars, the following parts are the top sellers:

What’s the price range for 1942 Willys Americar Fluids and Chemicals?

Fluids and Chemical prices for the 1942 Willys Americar start at $9.99 and go up to $35.99 for the most premium parts.

What’s the average price of a Fluids and Chemical for a 1942 Willys Americar?

The average price for Fluids and Chemicals for the 1942 Willys Americar is $20.53. Keep in mind the variety of part types within our Fluids and Chemical category so you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Fluids and Chemicals for my 1942 Willys Americar?

What are the top-rated Fluids and Chemicals that fit the 1942 Willys Americar?

Out of 1,820 reviews by customers, our 1942 Willys Americar Fluids and Chemicals have an average customer rating of . These are some of the highest-rated Fluids and Chemical types for the 1942 Willys Americar and their top-rated products:

What types of Fluids and Chemicals do you sell for my 1942 Willys Americar?

As of 11/2/25, these are some of the most in-demand types of Fluids and Chemicals for a 1942 Willys Americar:

Can I get help with 1942 Willys Americar Fluids and Chemical orders?

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

What is your return policy for Willys Americar Fluids and Chemicals?

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