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

Rolling into Wheel & Tire Month! Shop Now

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
Alloy USA
Motive Gear
On Sale
Drivetrain & Differential

31 Splines Alloy USA/Motive Gear Drivetrain & Differential

What Do You Drive?
Select your vehicle to see product options

REFINE BY:

Your Selection

Axle Spline
31 Splines
Brand
Alloy USA
Motive Gear
Axle Location
Rear

Brand

ARB 4x4 Accessories (6)
Auburn Gear (2)
Dana Spicer (7)
Eaton (10)
Power Trax (14)
Ten Factory (12)
Yukon Gear & Axle (5)

Fitment

Direct Fit (5)
Universal Fit (4)

Axle Shaft Location

Driver Or Passenger (2)
Driver Side (2)
Passenger Side (1)

Axle Spline

26 Splines (1)
27 Splines (12)
28 Splines (10)
29 Splines (10)
30 Splines (25)
32 Splines (3)
33 Splines (1)
35 Splines (4)

Axle Type

Chrysler 9.25 Inches (1)
Ford 8.8 Inches (5)
Ford 9 Inches (3)

Differential Type

Spool (4)

Popular Axle Manufacture

Chrysler (1)
Ford (8)

Part Type

Axle Shaft (5)
Differentials (4)

Price Range

$1 to $99 (2)
$100 to $199 (7)

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

31 Splines Alloy USA/Motive Gear On Sale

3 Product Groups

Switch to View Products

SORT BY

Alloy USA Rear Axle Shafts

From $129.99

Replacement Axle Shaft
Stronger Than Factory
Precision Heat Treated
Rolled Splines
California Residents: WARNING

From $129.99

3.8 3.8 (88)

Motive Gear Full Spools

Motive Gear Chrysler 8.750in. 30 Spline Full Spool

From $171.99

If you are looking for maximum traction and strength nothing beets a full spool.
Not Recommended For Street Use
California Residents: WARNING

From $171.99

Motive Gear Mini Spools

Motive Gear Chrysler 8.750in. Mini Spool

From $101.99

If you are looking for maximum traction and strength nothing beets a full spool.
Not Recommended For Street Use
California Residents: WARNING

From $101.99

3.8 3.8 (5)

9 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

Alloy USA Ford 8.8 Rear Axle Shaft - 15103

Part Number: ALY15103

Alloy USA Ford 8.8 Rear Axle Shaft - 15103

Be the first to review

How to Get it

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

Ship to Home:

Only 2 left in Stock ?

Fitment: Direct Fit
Replacement Axle Shaft
Ford 8.8
31 Spline
Passenger Side
Does NOT Include Bearings Seals Or Studs
For Use In 87-96 Ford F-150 And Bronco
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

$129.99

$144.32

Only 2 left in Stock ?

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Alloy USA Ford 8.8 Rear Axle Shaft - 15103

Part #: ALY15103

$129.99

$144.32

Only 2 left in Stock ?

+ 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:

Only 2 left in Stock ?

Fitment: Direct Fit
Replacement Axle Shaft
Ford 8.8
31 Spline
Passenger Side
Does NOT Include Bearings Seals Or Studs
For Use In 87-96 Ford F-150 And Bronco
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

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

Part Number: ALY19100

Alloy USA Chrysler 9.25" Axle 31 Spline Rear Axle Shaft - 19100

3.8 3.8 (4)

How to Get it

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

Ship to Home:

On Backorder

Fitment: Direct Fit
74-83 Dodge Pickups and RAM Charger 4x4 (see fitment below)
Replacement rear axle shaft
31 spline
5x4.5" bolt pattern
Driver or passenger side
Does NOT include bearings, seals or studs
31.062" long
Sold individually
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping on Orders Over $149.99

$86.99

$99.99

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Alloy USA Chrysler 9.25" Axle 31 Spline Rear Axle Shaft - 19100

Part #: ALY19100

3.8 3.8 (4)

$86.99

$99.99

On Backorder

Email me when this product comes in stock

+ 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:

On Backorder

Fitment: Direct Fit
74-83 Dodge Pickups and RAM Charger 4x4 (see fitment below)
Replacement rear axle shaft
31 spline
5x4.5" bolt pattern
Driver or passenger side
Does NOT include bearings, seals or studs
31.062" long
Sold individually
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping on Orders Over $149.99

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

Part Number: ALY15102

Alloy USA Ford 9" Rear Axle Shaft - 15102

3.8 3.8 (4)

How to Get it

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

Ship to Home:

On Backorder

Fitment: Direct Fit
Replacement Axle Shaft
31 Spline
Driver and Passenger Side
Does NOT Include Bearings Seals Or Studs
For Use In 74-86 Ford F-150 And Bronco
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

$129.99

$144.32

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Alloy USA Ford 9" Rear Axle Shaft - 15102

Part #: ALY15102

3.8 3.8 (4)

$129.99

$144.32

On Backorder

Email me when this product comes in stock

+ 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:

On Backorder

Fitment: Direct Fit
Replacement Axle Shaft
31 Spline
Driver and Passenger Side
Does NOT Include Bearings Seals Or Studs
For Use In 74-86 Ford F-150 And Bronco
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

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

Alloy USA Ford 8.8 Rear Axle Shaft - 15104

Part Number: ALY15104

Alloy USA Ford 8.8 Rear Axle Shaft - 15104

Be the first to review

How to Get it

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

Ship to Home:

On Backorder

Fitment: Direct Fit
Replacement Axle Shaft
Ford 8.8
31 Spline
Driver Side
Does NOT Include Bearings Seals Or Studs
For Use In 87-96 Ford F-150 And Bronco
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

$129.99

$144.32

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Alloy USA Ford 8.8 Rear Axle Shaft - 15104

Part #: ALY15104

$129.99

$144.32

On Backorder

Email me when this product comes in stock

+ 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:

On Backorder

Fitment: Direct Fit
Replacement Axle Shaft
Ford 8.8
31 Spline
Driver Side
Does NOT Include Bearings Seals Or Studs
For Use In 87-96 Ford F-150 And Bronco
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

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

Alloy USA Ford 8.8 Rear Axle Shaft - 15115

Part Number: ALY15115

Alloy USA Ford 8.8 Rear Axle Shaft - 15115

5.0 5.0 (1)

How to Get it

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

Ship to Home:

On Backorder

Fitment: Direct Fit
Replacement Axle Shaft
Ford 8.8
31 Spline
Driver Side
Does NOT Include Bearings Seals Or Studs
For Use In 95-00 Ford Explorer
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping on Orders Over $149.99

$146.99

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Alloy USA Ford 8.8 Rear Axle Shaft - 15115

Part #: ALY15115

5.0 5.0 (1)

$146.99

On Backorder

Email me when this product comes in stock

+ 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:

On Backorder

Fitment: Direct Fit
Replacement Axle Shaft
Ford 8.8
31 Spline
Driver Side
Does NOT Include Bearings Seals Or Studs
For Use In 95-00 Ford Explorer
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping on Orders Over $149.99

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

Motive Gear Ford 8.8 Inch 31 Spline Full Spool - FS8.8-31

Part Number: MIDFS8.8-31

Motive Gear Ford 8.8 Inch 31 Spline Full Spool - FS8.8-31

Be the first to review

How to Get it

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

Ship to Home:

On Backorder

Fitment: Universal Fit
For Use With 31 Spline Axles
For Use With All Gears
Requires Use
Of C-Clip Eliminator Kit
Not Recommended For Street Use
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping

$195.99

$308.50

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Motive Gear Ford 8.8 Inch 31 Spline Full Spool - FS8.8-31

Part #: MIDFS8.8-31

$195.99

$308.50

On Backorder

Email me when this product comes in stock

+ 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:

On Backorder

Fitment: Universal Fit
For Use With 31 Spline Axles
For Use With All Gears
Requires Use
Of C-Clip Eliminator Kit
Not Recommended For Street Use
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping

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

Motive Gear Ford 9 Inch 31 Spline Light Weight Full Spool - FS9-31LW

Part Number: MIDFS9-31LW

Motive Gear Ford 9 Inch 31 Spline Light Weight Full Spool - FS9-31LW

Be the first to review

How to Get it

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

Ship to Home:

On Backorder

Fitment: Universal Fit
For Use With 31 Spline Axles
For Use With All Gears
For Use In 3.062 Case Bore
Not Recommended For Street Use
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping

$171.99

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Motive Gear Ford 9 Inch 31 Spline Light Weight Full Spool - FS9-31LW

Part #: MIDFS9-31LW

$171.99

On Backorder

Email me when this product comes in stock

+ 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:

On Backorder

Fitment: Universal Fit
For Use With 31 Spline Axles
For Use With All Gears
For Use In 3.062 Case Bore
Not Recommended For Street Use
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping

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

Motive Gear Ford 8.8 Inch 31 Spline Mini Spool - MS88-31

Part Number: MIDMS88-31

Motive Gear Ford 8.8 Inch 31 Spline Mini Spool - MS88-31

Be the first to review

How to Get it

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

Ship to Home:

On Backorder

Fitment: Universal Fit
For Use With 31 Spline Axles
For Use With All Gears
For Use In Open Differential Case Only
Not Recommended For Street Use
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping on Orders Over $149.99

$101.99

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Motive Gear Ford 8.8 Inch 31 Spline Mini Spool - MS88-31

Part #: MIDMS88-31

$101.99

On Backorder

Email me when this product comes in stock

+ 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:

On Backorder

Fitment: Universal Fit
For Use With 31 Spline Axles
For Use With All Gears
For Use In Open Differential Case Only
Not Recommended For Street Use
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping on Orders Over $149.99

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