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Home
Alloy USA
USA Standard Gear
On Sale
Drivetrain & Differential

Universal Fit 31 Splines Alloy USA Drivetrain & Differential

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Axle Spline
31 Splines
Brand
Alloy USA
USA Standard Gear
Fitment
Universal Fit

Brand

ARB 4x4 Accessories (8)
Auburn Gear (2)
Dana Spicer (3)
Eaton (10)
Motive Gear (4)
Power Trax (14)
Ten Factory (12)
Yukon Gear & Axle (16)

Fitment

Direct Fit (5)

Axle Location

Front (1)
Front or Rear (2)
Rear (1)

Axle Type

Ford 8.8 Inches (1)
Ford 9 Inches (2)
Nissan (1)

Popular Axle Manufacture

Ford (3)
Other (1)

Part Type

Axle Upgrade Kits (1)
Differentials (4)

Price Range

$1 to $99 (2)
$100 to $199 (2)
$500 to $749 (1)

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Universal Fit 31 Splines Alloy USA On Sale

4 Product Groups

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USA Standard Gear Spools

From $157.89

Available for different makes and models
Available different spline count
5 year manufacturer warranty

From $157.89

USA Standard Gear Spartan Lockers

From $647.89

USA Standard Differential Cross Pins

From $48.89

USA Standard Gear Axle Shafts

USA Standard Axle Shafts

From $172.89

Available in different sizes
With or without ABS ring
5 year warranty against manufacturer defects

From $172.89

5 Products

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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!

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Part Number: UZGZPFSF9-31

USA Standard Ford 9" 31 Spline Spool - ZPFSF9-31

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How to Get it

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

Ship to Home:

On Backorder

Fitment: Universal Fit
Ford 9" with 31 spline axles
High-quality 8620 steel
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles
California Residents: WARNING

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- 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

$157.89

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

USA Standard Ford 9" 31 Spline Spool - ZPFSF9-31

Part #: UZGZPFSF9-31

$157.89

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
Ford 9" with 31 spline axles
High-quality 8620 steel
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles
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

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Part Number: UZGZPMINSF9-31

USA Standard Ford 9" 31 Spline Mini Spool - ZPMINSF9-31

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How to Get it

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

Ship to Home:

On Backorder

Fitment: Universal Fit
Ford 9" 31 spline axles
Installs into a standard open carrier case
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles
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 on Orders Over $99

$46.89

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

USA Standard Ford 9" 31 Spline Mini Spool - ZPMINSF9-31

Part #: UZGZPMINSF9-31

$46.89

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
Ford 9" 31 spline axles
Installs into a standard open carrier case
Provides 100% traction to both wheels at all times
Not recommended for street driven vehicles
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

Sign In Or Create an Account

Create An Account

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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*

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Password

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Create An Account

First Name *:

Last Name *:

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Password *:

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

Confirm Password *:

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USA Standard Nissan H233B Front Spartan Locker - SLNPATROL-31

Part Number: UZGSLNPATROL-31

USA Standard Nissan H233B Front Spartan Locker - SLNPATROL-31

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How to Get it

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

Ship to Home:

On Backorder

Fitment: Universal Fit
Nissan H233B
31 spline axles
Front
Includes heavy-duty cross pin shaft
Made from 9310 steel for added strength
Replaces the spiders in a standard carrier case
5 year warranty against manufacturer defects
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

$647.89

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

USA Standard Nissan H233B Front Spartan Locker - SLNPATROL-31

Part #: UZGSLNPATROL-31

$647.89

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
Nissan H233B
31 spline axles
Front
Includes heavy-duty cross pin shaft
Made from 9310 steel for added strength
Replaces the spiders in a standard carrier case
5 year warranty against manufacturer defects
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

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

USA Standard Nissan H233B Spartan Locker Cross Pin Shaft - SLXP-NPATROL

Part Number: UZGSLXP-NPATROL

USA Standard Nissan H233B Spartan Locker Cross Pin Shaft - SLXP-NPATROL

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
USA Standard Gear heavy-duty cross pin shaft
Fits Nissan H233B with 31 spline axles
Works with Spartan Locker or standard open spider gears
California Residents: WARNING

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 on Orders Over $99

$48.89

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

USA Standard Nissan H233B Spartan Locker Cross Pin Shaft - SLXP-NPATROL

Part #: UZGSLXP-NPATROL

$48.89

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
USA Standard Gear heavy-duty cross pin shaft
Fits Nissan H233B with 31 spline axles
Works with Spartan Locker or standard open spider gears
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