1999 Toyota 4Runner Engine Additives

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Keep Your 1999 Toyota 4Runner in Top Shape with a Quality Engine Additive

When it comes to maintaining or upgrading your 1999 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 Engine Additive for your 4Runner. We currently carry a top Engine Additive in stock that is built to last. Whether you’re replacing a damaged Engine Additive or looking to upgrade, our selection for the 1999 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 1999 Toyota 4Runner running smoothly and looking great.

Essential 1999 Toyota 4Runner Engine Additives

Yukon Gear – "Yukon Gear Grizzly Locker For Toyota 8"", 4 Cylinder, 28019" (Part No.28019)

"Yukon Gear Grizzly Locker For Toyota 8"", 4 Cylinder, 28019"

from

$959.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!
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Yukon Gear – Yukon Gear Grizzly Locker For Toyota V6, 28020 (Part No.28020)

Yukon Gear Grizzly Locker For Toyota V6, 28020

from

$919.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!
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USA Standard Gear – USA Standard Gear Differential Cross Pin, 17011 (Part No.17011)

USA Standard Gear Differential Cross Pin, 17011

from

$26.99
Spartan spring & pin kit, fits smaller designs.
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Yukon Gear – "Yukon Gear 8"" Toyota Dropout Case, All New, Includes Adjusters, 32096" (Part No.32096)

"Yukon Gear 8"" Toyota Dropout Case, All New, Includes Adjusters, 32096"

from

$289.99
“8”” Toyota dropout case, all new, includes adjusters.”
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Most Popular Posi Units and Component for 1999 Toyota 4Runners

Enhance your 1999 Toyota 4Runner with this popular Posi Units and Component we have in stock, for $919.99.

Yukon Gear – Yukon Gear Grizzly Locker For Toyota V6, 28020 (Part No.28020)

Yukon Gear Grizzly Locker For Toyota V6, 28020

from

$919.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!
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FAQs for 1999 Toyota 4Runner Engine Additives

What’s the price range for 1999 Toyota 4Runner Engine Additives?

We currently have just one Engine Additives for the 1999 Toyota 4Runner in stock: Yukon Gear Grizzly Locker For Toyota V6, 28020 and it costs $919.99.

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

Yes, we carry Engine Additives for 24 model years of Toyota 4Runners between 1984 and 2009. The following model years are the most popular for Engine Additive purchases: 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, and 2000.

What types of Engine Additives do you sell for my 1999 Toyota 4Runner?

We currently have just 1 Engine Additive in stock for a 1999 Toyota 4Runner, and as of 8/2/26, it is a Posi Units and Component.

Can I get help with 1999 Toyota 4Runner Engine Additive orders?

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

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

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