1984 Jeep J20 U-Joints

Your 1984 Jeep J20 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the U-Joints you desperately need.

We currently carry 16 U-Joints to choose from for your 1984 Jeep J20, and our inventory prices range from as little as $4.49 up to $47.99.

On top of low prices, Advance Auto Parts offers 4 different trusted brands of U-Joints for the 1984 Jeep J20. We only sell parts from trusted brands like Moog so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 279 reviews on our U-Joints for the 1984 Jeep J20 from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our U-Joints stock in-person!

U-Joints for Your 1984 Jeep J20

Driveworks – Universal Joint (Part No.DW-380)

Universal Joint

from

$15.49
DRIVEWORKS Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. DRIVEWORKS Universal Joints are constructed from quality materials for extended durability. DRIVEWORKS Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:
  • The cross is hot forged for the higher torque and horsepower
  • The bearing cups are made by cold forging, having higher strength and better rigidity
  • Bearig cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
  • Lubrication grooves designed to ensure grease penetration to entire journal and needle bearings
  • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
  • Snap rings are held to strict tolerances to ensure proper cup position and retention
  • Nitrile rubber seals to optimize grease retention and reduce contamination
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Neapco – Universal Joint (Part No.1-0297)

Universal Joint

from

$5.59
Universal Joint
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MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.369)

Greaseable Premium Universal Joint

from

$19.99
Backed by superior materials and rigorous testing, MOOG Heavy Duty universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • BUILT TO LAST — Rugged design specifically engineered for fleets, off-highway and commercial vehicles
  • STRONG AND DURABLE — Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
  • KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • GREASEABLE DESIGN — Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
  • INHIBITS PREMATURE WEAR — Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
  • RELIABLE PERFORMANCE — Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
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MOOG Driveline Products – Non-Greaseable Super Strength Universal Joint (Part No.371)

Non-Greaseable Super Strength Universal Joint

from

$24.99
Backed by superior materials and rigorous testing, MOOG Super Strength® universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • BUILT TO LAST — Rugged design specifically engineered for applications with higher torque and horsepower
  • CORROSION PROTECTION — Exclusive MICRO SHIELD coating protects against rust and corrosion
  • STRONG AND DURABLE — Cold-forged, case-hardened and precision-ground alloy steel crosses for durability
  • KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
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MOOG Driveline Products – Greaseable Super Strength Universal Joint (Part No.377)

Greaseable Super Strength Universal Joint

from

$47.99
Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • BUILT TO LAST — Rugged design specifically engineered for applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
  • CORROSION PROTECTION — Exclusive MICRO SHIELDΓ┐ó coating protects against rust and corrosion
  • GREASABLE DESIGN — Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
  • KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
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MOOG Driveline Products – Non-Greaseable Super Strength Universal Joint (Part No.269)

Non-Greaseable Super Strength Universal Joint

from

$32.99
Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • BUILT TO LAST — Rugged design specifically engineered for applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
  • CORROSION PROTECTION — Exclusive MICRO SHIELDΓ┐ó coating protects against rust and corrosion
  • KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
See More

MOOG Driveline Products – Greaseable Super Strength Universal Joint (Part No.280)

Greaseable Super Strength Universal Joint

from

$32.99
Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • BUILT TO LAST — Rugged design specifically engineered for applications with higher torque and horsepower
  • COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
  • CORROSION PROTECTION — Exclusive MICRO SHIELDΓ┐ó coating protects against rust and corrosion
  • GREASABLE DESIGN — Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
  • KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
See More

Driveworks – Universal Joint (Part No.DW-377)

Universal Joint

from

$27.49
DRIVEWORKS Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. DRIVEWORKS Universal Joints are constructed from quality materials for extended durability. DRIVEWORKS Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:
  • The cross is hot forged for the higher torque and horsepower
  • The bearing cups are made by cold forging, having higher strength and better rigidity
  • Bearig cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
  • Lubrication grooves designed to ensure grease penetration to entire journal and needle bearings
  • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
  • Snap rings are held to strict tolerances to ensure proper cup position and retention
  • Nitrile rubber seals to optimize grease retention and reduce contamination
See More

Driveworks – Universal Joint (Part No.DW-369)

Universal Joint

from

$20.49
DRIVEWORKS Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. DRIVEWORKS Universal Joints are constructed from quality materials for extended durability. DRIVEWORKS Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:
  • The cross is hot forged for the higher torque and horsepower
  • The bearing cups are made by cold forging, having higher strength and better rigidity
  • Bearig cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
  • Lubrication grooves designed to ensure grease penetration to entire journal and needle bearings
  • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
  • Snap rings are held to strict tolerances to ensure proper cup position and retention
  • Nitrile rubber seals to optimize grease retention and reduce contamination
See More

Neapco – Universal Joint (Part No.1-0298)

Universal Joint

from

$7.89
Universal Joint
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Neapco – Universal Joint (Part No.1-0154)

Universal Joint

from

$6.49
Universal Joint
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Driveworks – Universal Joint (Part No.DW-371)

Universal Joint

from

$20.29
DRIVEWORKS Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. DRIVEWORKS Universal Joints are constructed from quality materials for extended durability. DRIVEWORKS Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

Product Features:
  • The cross is hot forged for the higher torque and horsepower
  • The bearing cups are made by cold forging, having higher strength and better rigidity
  • Bearig cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
  • Lubrication grooves designed to ensure grease penetration to entire journal and needle bearings
  • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
  • Snap rings are held to strict tolerances to ensure proper cup position and retention
  • Nitrile rubber seals to optimize grease retention and reduce contamination
See More

Neapco – Universal Joint (Part No.1-0153)

Universal Joint

from

$4.49
Universal Joint
See More

MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.380)

Greaseable Premium Universal Joint

from

$23.99
Backed by superior materials and rigorous testing, MOOG Premium universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
  • GREASABLE DESIGN — Greasable u-joints allow for new grease to flush out contaminants and moisture
  • KEEPS DIRT OUT — Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
  • Cross forging shape and flash provide easier installation and high strength
See More

Crown Auto Jeep Replacmnt – Oem Replacement, 1.187 Inch Bearing Cap (Part No.J8126638)

Oem Replacement, 1.187 Inch Bearing Cap

from

$34.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Leading Manufacturer Of Quality Replacement Parts For Jeep
  • Meets Standards For Quality
  • Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
  • Improve The Performance
  • Easy Installation
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Neapco – Universal Joint (Part No.1-0278)

Universal Joint

from

$7.19
Universal Joint
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FAQs for 1984 Jeep J20 U-Joints

What are the most popular U-Joints for the 1984 Jeep J20?

With 4 brands you can trust, our most popular U-Joints for the 1984 Jeep J20 parts are:
Greaseable Premium Universal Joint
from $19.99
(82)
Greaseable Premium Universal Joint
U-Joints
Universal Joint
from $20.49
(33)
Universal Joint
U-Joints

What are the best aftermarket U-Joints for the 1984 Jeep J20?

See what past customers had to say about our highest-rated U-Joints for the 1984 Jeep J20:
Universal Joint
from $27.49
(10)
Universal Joint
“right part,great fit and priced right.”
Universal Joint
from $7.89
(7)
Universal Joint
“i never worked on front axle u-joints before. getting the old ones out was a real project,but installing these was a snap. they fit my 97 dodge ram pe”
Universal Joint
from $20.29
(6)
Universal Joint
“Excellent”