1964 Jeep CJ6 Engine Additives

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Keep Your 1964 Jeep CJ6 in Top Shape with a Quality Engine Additive

When it comes to maintaining or upgrading your 1964 Jeep CJ6, 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 CJ6. 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 1964 Jeep CJ6 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 Transmission Additives to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1964 Jeep CJ6 running smoothly and looking great.

Essential 1964 Jeep CJ6 Engine Additives

Crown Auto Jeep Replacmnt – OE Replacement, For Use With Dana 25/ 27/ 30/ 44 Front Axle, Single (Part No.J0636566)

OE Replacement, For Use With Dana 25/ 27/ 30/ 44 Front Axle, Single

from

$2.99
Crown Automotive offers the largest line of replacement parts for Jeep (R), as well as a growing line of parts for Chrysler and Dodge vehicles. Our applications features Axle, Body, Brake, Clutch, Cooling, Electrical, Engine, Fuel, Lamps, Mirrors, Steering, Suspension, Transmission and Wiper.

Product Features:
  • Axle Oil Slingers Will Help You Guide Your Axle Through The Inner Axle Seal With Ease
  • Crown Automotive Offers A Wide Selection Of Replacement Part To Meet Your Application Needs
  • Direct-Fit Replacement
  • Designed And Built To OEM Specs
See More

Yukon Gear – Zip Locker For Dana 44 With 30 Spline Axles, 3.92 & Up (Part No.34020)

Zip Locker For Dana 44 With 30 Spline Axles, 3.92 & Up

from

$1302.99
The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years.

Product Features:
  • Fits Dana Spicer 44 with 30 spline axles
  • 3.92 and up ratio only
  • Forged case and 8620 internals for added strength
  • Works with a variety of air delivery systems
  • Assembled in the USA
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USA Standard Gear – Spartan Spring & Pin Kit, Fits Smaller Designs (Part No.17011)

Spartan Spring & Pin Kit, Fits Smaller Designs

from

$26.99
Spartan spring & pin kit, fits smaller designs.

Product Features:
  • Replacement spring and pin kit for Spartan Locker
  • Fits Dana 30, Dana 44, AMC Model 20, AMC Model 35, and Toyota designs
  • Includes 4 springs and 4 alignment pins
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Yukon Gear – Zip Locker For Dana 30 With 30 Spline Axles, 3.73 & Up (Part No.34017)

Zip Locker For Dana 30 With 30 Spline Axles, 3.73 & Up

from

$1303.99
The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years.

Product Features:
  • Fits Dana Spicer 30 with aftermarket 30 spline axles
  • 3.73 and up ratio only
  • Forged case and 8620 internals for added strength
  • Works with a variety of air delivery systems
  • Assembled in the USA
See More

Yukon Gear – Zip Locker For Dana 30 With 27 Spline Axles, 3.73 & Up (Part No.34016)

Zip Locker For Dana 30 With 27 Spline Axles, 3.73 & Up

from

$1303.99
The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability. The Yukon Zip locker is an air operated locker that provides selectable traction for off road or street use. This unit features 4320 Chrome Moly internals for added strength. Assembled in the USA! compressor sold separately. All Zip Lockers are backed by the best warranty in the business! All Zip Lockers come with a six (6) year warranty, including any collaterally damaged parts and associated labor, up to $2,000, for the first two (2) years.

Product Features:
  • Fits Dana Spicer 30 with 27 spline axles
  • 3.73 and up ratio only
  • Forged case and 8620 internals for added strength
  • Works with a variety of air delivery systems
  • Assembled in the USA
See More

Most Popular Posi Units and Component for 1964 Jeep CJ6s

Enhance your 1964 Jeep CJ6 with this popular Posi Units and Component we have in stock, for $2.99.

Crown Auto Jeep Replacmnt – OE Replacement, For Use With Dana 25/ 27/ 30/ 44 Front Axle, Single (Part No.J0636566)

OE Replacement, For Use With Dana 25/ 27/ 30/ 44 Front Axle, Single

from

$2.99
Crown Automotive offers the largest line of replacement parts for Jeep (R), as well as a growing line of parts for Chrysler and Dodge vehicles. Our applications features Axle, Body, Brake, Clutch, Cooling, Electrical, Engine, Fuel, Lamps, Mirrors, Steering, Suspension, Transmission and Wiper.

Product Features:
  • Axle Oil Slingers Will Help You Guide Your Axle Through The Inner Axle Seal With Ease
  • Crown Automotive Offers A Wide Selection Of Replacement Part To Meet Your Application Needs
  • Direct-Fit Replacement
  • Designed And Built To OEM Specs
See More

FAQs for 1964 Jeep CJ6 Engine Additives

What’s the price range for 1964 Jeep CJ6 Engine Additives?

We currently have just one Engine Additives for the 1964 Jeep CJ6 in stock: OE Replacement, For Use With Dana 25/ 27/ 30/ 44 Front Axle, Single and it costs $2.99.

Does Advance Auto Parts sell Engine Additives for other Jeep CJ6 model years?

Yes, we carry Engine Additives for 15 model years of Jeep CJ6s between 1959 and 1975. The following model years are the most popular for Engine Additive purchases: 1975, 1974, 1973, 1972, 1971, 1970, 1969, 1968, and 1967.

Does Advance Auto Parts sell Engine Additives for any other 1964 Jeep models?

Yes. We stock Engine Additives for 9 other popular 1964 Jeep models. Some of the most popular are 1964 Wagoneer Engine Additives, 1964 CJ5 Engine Additives, 1964 Gladiator Engine Additives, 1964 CJ3 Engine Additives, and 1964 FC150 Engine Additives.

What types of Engine Additives do you sell for my 1964 Jeep CJ6?

We currently have just 1 Engine Additive in stock for a 1964 Jeep CJ6, and as of 3/1/26, it is a Posi Units and Component.

Can I get help with 1964 Jeep CJ6 Engine Additive orders?

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

What is your return policy for Jeep CJ6 Engine Additives?

Advance Auto Parts keeps returns simple. For new Jeep CJ6 Engine Additives and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.