Welcome Guest

SHOP BY CATEGORY

SHOP BY BRAND

SHOP BY VEHICLE

SPECIAL DEALS

Clearance
Limited Time Promotions
Suspension Kits

NEW ITEMS

RESOURCES

Order Status
4X4 Resource Center
Installations & Services
How She 4 Wheels
Affirm Financing
Careers

Choose from 40+ 4WP stores

Check nearby stores

Sales Support 877-474-4821

Settings
My Wishlist
My Garage
Log in

Amount (in dollars)

MY ACCOUNT

Settings
My Wishlist
My Garage
Log in

FIND A STORE

SUPPORT

CART 0

877-260-5452 Call Our Stateside Experts!

ARB
Bestop
BFGoodrich
Bilstein
Mickey Thompson
FOX
FUEL
G2 Axle & Gear
Method Wheels
Morimoto
Pro Comp
Rough Country
Smittybilt
Toyo Tires
See all brands

Shop By Model
Bronco HQ
Jeep Wrangler JL
Jeep Gladiator
Jeep Wrangler JK
Ford F-150
Toyota Tacoma

Clearance
Limited Time Promotions
Suspension Kits

NEW ITEMS

Order Status
4X4 Resource Center
Installations & Services
How She 4 Wheels
Affirm Financing
Careers

Select a New Vehicle

Tell Us What You Think

Please enter your feedback in the box below.

Or Cancel

Thank you! Your feedback has been submitted.

If you would like a response to your feedback, please enter your email address below. We will never use your email address for any other purpose. (Optional).

Or Cancel

Home
On Sale
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Drivetrain & Differential

Dana 30 TJ|Dana 30 Reverse|Dana 44 Direct Fit We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP! We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!

REFINE BY:

Your Selection

Axle Type
Dana 30 TJ|Dana 30 Reverse|Dana 44
Fitment
Direct Fit

Brand

Alloy USA (1)
Synergy Manufacturing (1)

Fitment

Universal Fit (1)

Axle Location

Front (2)

Axle Type

AMC 20 (44)
Chrysler 8.25 Inches (11)
Chrysler 9.25 Inches (3)
Dana 25 (3)
Dana 25|Dana 27 (4)
Dana 25|Dana 30 Standard|Dana 27|Dana 30 Reverse|Dana 30 JK|Dana 30 TJ (1)
Dana 27|Dana 25 (4)
Dana 27|Dana 30 JK|Dana 30 Reverse|Dana 30 Standard|Dana 30 TJ|Dana 25 (1)
Dana 27|Dana 30 Standard|Dana 25 (2)
Dana 28 IFS (1)
View More
Dana 30 JK (12)
Dana 30 JK|Dana 30 Reverse|Dana 28 IFS|Dana 30 TJ|Dana 25|Dana 30 Standard (1)
Dana 30 JK|Dana 30 Reverse|Dana 30 Standard (1)
Dana 30 JK|Dana 30 Standard|Dana 30 Reverse (1)
Dana 30 JK|Dana 44 JK (3)
Dana 30 Reverse (35)
Dana 30 Reverse|Dana 30 TJ (6)
Dana 30 Standard (37)
Dana 30 Standard|Dana 30 JK|Dana 30 TJ|Dana 30 Reverse (2)
Dana 30 Standard|Dana 30 TJ (3)
Dana 30 Standard|Dana 44 (6)
Dana 30 TJ (20)
Dana 30 TJ|AMC 20|Dana 30 Reverse|Dana 30 Standard|Dana 35 (1)
Dana 30 TJ|Dana 30 Reverse (8)
Dana 30 TJ|Dana 30 Reverse|Dana 30 Standard (1)
Dana 30 TJ|Dana 30 Standard (5)
Dana 30A KJ (23)
Dana 30A KJ|Dana 30 Reverse|Dana 30 TJ|Dana 25|Dana 30 JK|Dana 27|Dana 30 Standard|Dana 28 IFS (1)
Dana 35 (69)
Dana 35|Dana 25 (1)
Dana 44 (98)
Dana 44 JK (24)
Dana 44 JK|Dana 30 JK (2)
Dana 44 JK|Dana 44 (2)
Dana 44|Dana 30 Reverse|Dana 30 TJ (1)
Dana 44|Dana 30 Standard (4)
Dana 44|Dana 30 TJ|Dana 30 Reverse (1)
Dana 44|Dana 35 (1)
Dana 44|Dana 44 JK (3)
Dana 50 (1)
Dana 53 (2)
Dana 60 (29)
Dana 80 (3)
Ford 8.8 Inches (7)
Ford 9 Inches (6)
GM 10 Bolt 8.5 Inches (5)
GM 10 Bolt 8.6 Inches (1)
M200/Dana 35 Advantek (1)
TeraFlex (3)
Toyota Tacoma (3)

Color

Red (1)

Lubeable

Is Lubeable (1)

Part Type

Axle Shaft Seal (1)
Suspension Ball Joint (1)

Price Range

$1 to $99 (1)
$200 to $299 (1)

View By Product GroupSwitch to View Product Groups
View By Individual ItemsSwitch to View Products

Dana 30 TJ|Dana 30 Reverse|Dana 44 Direct Fit We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP! On Sale

2 Product Groups

Switch to View Products

SORT BY

Synergy Manufacturing Ball Joints

From $250.00

3.5 3.5 (10)

Alloy USA Axle Tube Seals

Alloy USA Axle Tube Seal

From $79.99

Machined From Billet Aluminum
Anodized Aluminum Finish To Resist Corrosion
Keep Debris From Entering Axle Tubes
California Residents: WARNING

From $79.99

4.4 4.4 (7)

2 Products

Switch to View Product Groups

SORT BY

4WP PROTECTION PLAN

Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

Reset Password

An email is sent to .

Enter email address to change your password

After you submit your email address, you'll receive an email a link that will let you change your password.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Synergy Manufacturing Jeep Dana 30/44 Heavy Duty Ball Joint Set - 4120

Part Number: SYN4120

Synergy Manufacturing Jeep Dana 30/44 Heavy Duty Ball Joint Set - 4120

4.3 4.3 (3)

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

In-Stock Ships next business day ?

Fitment: Direct Fit
Factory Replacement for Most Dana 44 and Dana 30 Applications
Fully Greasable
Sintered Metal On Bushing Design
Silicone Boot
2 Upper Ball Joints
2 Lower Ball Joints
Fits All Jeep TJ / LJ
Fits 90-01 Jeep YJ / ZJ / XJ
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping

$250.00

In-Stock Ships next business day ?

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Synergy Manufacturing Jeep Dana 30/44 Heavy Duty Ball Joint Set - 4120

Part #: SYN4120

4.3 4.3 (3)

$250.00

In-Stock Ships next business day ?

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

In-Stock Ships next business day ?

Fitment: Direct Fit
Factory Replacement for Most Dana 44 and Dana 30 Applications
Fully Greasable
Sintered Metal On Bushing Design
Silicone Boot
2 Upper Ball Joints
2 Lower Ball Joints
Fits All Jeep TJ / LJ
Fits 90-01 Jeep YJ / ZJ / XJ
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!

Lowest Price! Guaranteed! Request A Price Match

4WP PROTECTION PLAN

Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!

No, thanks