1990 Toyota 4Runner Transmission Additives

Keep Your 1990 Toyota 4Runner in Top Shape with a Quality Transmission Additive

When it comes to maintaining or upgrading your 1990 Toyota 4Runner, 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 Transmission Additive for your 4Runner. We currently carry a top Transmission Additive in stock that is built to last. Whether you’re replacing a damaged Transmission Additive or looking to upgrade, our selection for the 1990 Toyota 4Runner ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Coolant/Antifreeze and Fluids to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1990 Toyota 4Runner running smoothly and looking great.

Essential 1990 Toyota 4Runner Transmission Additives

ATP – Trans Fluid Additive (Part No.AT-203)

Trans Fluid Additive

from

$23.99
Trans Fluid Additive

ATP – Trans Fluid Additive (Part No.AT-202)

Trans Fluid Additive

from

$20.99
Product Features:
  • Reduces heat & wear
  • Eliminates TQ converter shudder & clutch pack chatter
  • For all automatic transmissions & 4×4 transfer cases
See More

Most Popular Automatic Transmission Fluid Additive for 1990 Toyota 4Runners

Enhance your 1990 Toyota 4Runner with this popular Automatic Transmission Fluid Additive we have in stock, for $20.99.

ATP – Trans Fluid Additive (Part No.AT-202)

Trans Fluid Additive

from

$20.99
Product Features:
  • Reduces heat & wear
  • Eliminates TQ converter shudder & clutch pack chatter
  • For all automatic transmissions & 4×4 transfer cases
See More

FAQs for 1990 Toyota 4Runner Transmission Additives

What’s the price range for 1990 Toyota 4Runner Transmission Additives?

We currently have just one Transmission Additives for the 1990 Toyota 4Runner in stock: Trans Fluid Additive and it costs $20.99.

Does Advance Auto Parts sell Transmission Additives for other Toyota 4Runner model years?

Yes, we carry Transmission Additives for 20 model years of Toyota 4Runners between 1984 and 2005. The following model years are the most popular for Transmission Additive purchases: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

Does Advance Auto Parts sell Transmission Additives for any other 1990 Toyota models?

Yes. We stock Transmission Additives for 7 other popular 1990 Toyota models. Some of the most popular are 1990 Corolla Transmission Additives, 1990 Camry Transmission Additives, 1990 Pickup Transmission Additives, 1990 Tercel Transmission Additives, and 1990 Supra Transmission Additives.

What types of Transmission Additives do you sell for my 1990 Toyota 4Runner?

We currently have just 1 Transmission Additive in stock for a 1990 Toyota 4Runner, and as of 11/2/25, it is an Automatic Transmission Fluid Additive.

Can I get help with 1990 Toyota 4Runner Transmission Additive orders?

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

What is your return policy for Toyota 4Runner Transmission Additives?

Advance Auto Parts keeps returns simple. For new Toyota 4Runner Transmission Additives and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.