1990 Ford Country Squire Engine Additives

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Keep Your 1990 Ford Country Squire in Top Shape with a Quality Engine Additive

When it comes to maintaining or upgrading your 1990 Ford Country Squire, 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 Country Squire. 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 1990 Ford Country Squire 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 Ford Country Squire running smoothly and looking great.

Essential 1990 Ford Country Squire Engine Additives

Yukon Gear – "Yukon Gear Ford 9"" 3.062"" Aluminum Case, HD Dropout Housing, 32034" (Part No.32034)

"Yukon Gear Ford 9"" 3.062"" Aluminum Case, HD Dropout Housing, 32034"

from

$729.99
“9”” Yukon 3.062″” aluminum case, HD dropout housing with forged caps. The Yukon aluminum dropouts feature a adjuster lock which is offset 90 degrees, offering an uninterrupted bearing cap for higher strenth. Made from A356-T6 aluminum and featuring a through-bolt desgin, this dropout is built for high horsepower & tall tires.Rated up to 1000HP!”
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Yukon Gear – "Yukon Gear Tracloc For Ford 9"" Wtih 28 Spline Axles – Street Design, 26008" (Part No.26008)

"Yukon Gear Tracloc For Ford 9"" Wtih 28 Spline Axles - Street Design, 26008"

from

$789.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Trac Loc uses a nodular case, billet side hat, and forged internals for higher strength than stock Trac-Locs. The units use composite clutches for high performance and long life. All units are Rebuildable. Yukon offers a one year warranty against manufacturing defects.
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Powertrax – Powertrax Differential Lock Assembly, 1822-LR (Part No.1822-LR)

Powertrax Differential Lock Assembly, 1822-LR

from

$371.99
For vehicles that are driven daily, the Power Trax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.
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Yukon Gear – "Yukon Gear Trac-Loc For Ford 8"" With 28 Spline Axles – Aggressive Design, 26001" (Part No.26001)

"Yukon Gear Trac-Loc For Ford 8"" With 28 Spline Axles - Aggressive Design, 26001"

from

$889.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon-Trac Loc uses a nodular case, billet side hat, and forged internals for higher strength than stock Trac-Locs. The units use composite clutches for high performance and long life. All units are Rebuildable. Yukon offers a one year warranty against manufacturing defects.
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Yukon Gear – "Yukon Gear Grizzly Locker For Ford 9"" With 31 Spline Axles, Racing Design, 28010" (Part No.28010)

"Yukon Gear Grizzly Locker For Ford 9"" With 31 Spline Axles, Racing Design, 28010"

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$1183.99
“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. This unit requires the use of a 3.250″” dropout. Use carrier bearing/race numbers LM104949/LM104911. The Yukon Grizzly locker uses 8620 internals and a patented design to provide maximum strength and reduce common failures. Assembled in the USA! This unit has been approved for competition in NASCAR National & Touring series. This is a race unit designed for extreme off road use or racing. 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! This locker also fits 9.5″” & 10″” dropouts.”
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Yukon Gear – "Yukon Gear Grizzly Locker, Ford 8.8"" With 28 Splines, 28034" (Part No.28034)

"Yukon Gear Grizzly Locker, Ford 8.8"" With 28 Splines, 28034"

from

$1136.99
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 Ford 9"" With 28 Spline Axles, 28008" (Part No.28008)

"Yukon Gear Grizzly Locker For Ford 9"" With 28 Spline Axles, 28008"

from

$947.99
“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 uses 8620 internals and a patented design to provide maximum strength and reduce common failures. 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! This locker also fits 9.5″” & 10″” dropouts.”
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Powertrax – Powertrax Grip PRO Traction System, GT108028 (Part No.GT108028)

Powertrax Grip PRO Traction System, GT108028

from

$537.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
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Powertrax – Powertrax Grip PRO Traction System, GT109031 (Part No.GT109031)

Powertrax Grip PRO Traction System, GT109031

from

$496.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
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Motive Gear – Motive Gear Ring Gear Bolt, D8OZ4216B (Part No.D8OZ4216B)

Motive Gear Ring Gear Bolt, D8OZ4216B

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$1.99
Motive Gear Ring Gear Bolt, D8OZ4216B.
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Yukon Gear – "Yukon Gear Copper Washer For Ford 9"" & 8"" Dropout Housing, 32339" (Part No.32339)

"Yukon Gear Copper Washer For Ford 9"" & 8"" Dropout Housing, 32339"

from

$5.99
Replacement pinion seal for Dana 25, Dana 27, Dana 30, D36, Dana 44, & Dana 50 .Yukon Mighty seal.
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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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Most Popular Posi Units and Component for 1990 Ford Country Squires

Enhance your 1990 Ford Country Squire with this popular Posi Units and Component we have in stock, for $371.99.

Powertrax – Powertrax Differential Lock Assembly, 1822-LR (Part No.1822-LR)

Powertrax Differential Lock Assembly, 1822-LR

from

$371.99
For vehicles that are driven daily, the Power Trax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Power Trax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Power Trax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Power Trax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds.
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FAQs for 1990 Ford Country Squire Engine Additives

What’s the price range for 1990 Ford Country Squire Engine Additives?

We currently have just one Engine Additives for the 1990 Ford Country Squire in stock: Powertrax Differential Lock Assembly, 1822-LR and it costs $371.99.

Does Advance Auto Parts sell Engine Additives for other Ford Country Squire model years?

Yes, we carry Engine Additives for 7 model years of Ford Country Squires between 1977 and 1991. The following model years are the most popular for Engine Additive purchases: 1991, 1989, 1988, 1987, 1986, 1983, 1978, and 1977.

Does Advance Auto Parts sell Engine Additives for any other 1990 Ford models?

What types of Engine Additives do you sell for my 1990 Ford Country Squire?

We currently have just 1 Engine Additive in stock for a 1990 Ford Country Squire, and as of 8/2/26, it is a Posi Units and Component.

Can I get help with 1990 Ford Country Squire Engine Additive orders?

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

What is your return policy for Ford Country Squire Engine Additives?

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