---
product_id: 95528192
title: "XD-14450 Compatible with D44a Quadratec Differentials MADE in USA"
brand: "aussie locker"
price: "S$678"
currency: SGD
in_stock: true
category: "Aussie Locker"
url: https://www.desertcart.sg/products/95528192-xd-14450-compatible-with-d44a-quadratec-differentials-made-in-usa
store_origin: SG
region: Singapore
---

# Precision-fit for D44a Aluminum Open Jeep Differential Zero electronic/mechanical failure points—no leaks, breaks, or frays Easy weekend mechanic installation, no special tools XD-14450 Compatible with D44a Quadratec Differentials MADE in USA

**Brand:** aussie locker
**Price:** S$678
**Availability:** ✅ In Stock

## Summary

> 🚙 Lock in your Jeep’s ultimate traction—no compromises, just Aussie power!

## Quick Answers

- **What is this?** XD-14450 Compatible with D44a Quadratec Differentials MADE in USA by aussie locker
- **How much does it cost?** S$678 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/95528192-xd-14450-compatible-with-d44a-quadratec-differentials-made-in-usa)

## Best For

- aussie locker enthusiasts

## Why This Product

- Trusted aussie locker brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug-and-Play Installation:** If you can change brakes, you can install this—no special tools or training required.
- • **Warranty That Works for You:** Two-year limited warranty with no restrictions on tire size or horsepower.
- • **Maintenance-Free Reliability:** No air lines, compressors, cables, or wires to fail—just pure mechanical strength.
- • **Unmatched 100% Traction Power:** Experience full traction, not just 40-60% like posi or limited slip diffs.
- • **Built to Last with Premium Steel:** Special alloys and heat treatments ensure durability that outperforms the competition.

## Overview

The XD-14450 Aussie Locker is a precision-engineered locking differential designed exclusively for the D44a Aluminum Open Jeep Quadratec Differential. Crafted with proprietary steel alloys and heat treatments, it delivers 100% traction without the common failure points of air or electronic systems. Easy to install by any weekend mechanic, it offers unmatched durability and a two-year warranty with no horsepower or tire size limits, making it the go-to upgrade for serious Jeep enthusiasts seeking reliable off-road performance.

## Description

Only for the D44a Aluminum Open Jeep Quadratec Differential Our engineers make every effort to ensure that the models listed on our web page are accurate. However, due to vehicle manufacturers differential options, using available inventory, prior owners of a vehicle changing models, et c. it is the customers responsibility to confirm that the model Aussie Locker they order fits their differential' All Aussie Lockers are designed for installation in an open differential. The Aussie Locker will not work in posi or limited slip carriers. Quadradrive systems are not directly compatible with the XD14450 and will require major modification so please check with your mechanic prior to ordering the XD14450 for this application. Only for the D44a Aluminum Open Jeep Differential The Aussie Locker is the result of attention to detail not previously seen in the industry. Special steel alloys for maximum durability and long life, proprietary manufacturing processes, unique heat treatment procedures and 100 percent quality audits with electronic microscopes result in every locker providing unmatched reliability and performance. No air lines to leak, break or compressors to fail, no cables to fray, no electric wires to break, the Aussie Locker gets you where you want to go, with maximum traction performance. You get 100 percent traction performance rather than 40-60 percent with a posi or limited slip differential. And with the unique construction and manufacturing process the Aussie Locker delivers this 100 percent traction year after year after year. No degradation over time like some other products out there. And the Aussie Locker can be installed by the weekend mechanic. If you can install a set of brakes you can install your Aussie Locker without any specials tools or training. The No-Nonsense Two Year Limited Warranty has no restrictions on tire size or horsepower. The Aussie Locker is designed to hold up whatever you throw at them, time after time.

## Features

- Only for the D44a Aluminum Open Jeep Quadratec Differential
- All Aussie Lockers are designed for installation in an open differential
- The Aussie Locker will not work in posi or limited slip carriers
- Quadradrive systems are not directly compatible with the XD14450 and will require major modification so please check with your mechanic prior to ordering the XD14450 for this application
- No air lines to leak, break or compressors to fail, no cables to fray, no electric wires to break, the Aussie Locker gets you where you want to go, with maximum traction performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0087HITFQ |
| Best Sellers Rank | #1,796,832 in Automotive ( See Top 100 in Automotive ) #1,243 in Automotive Replacement Differential Assembly Kits |
| Brand | Aussie Locker |
| Customer Reviews | 5.0 5.0 out of 5 stars (4) |
| Date First Available | June 14, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5 pounds |
| Item model number | XD-14450 |
| Manufacturer | Aussie Locker |
| Manufacturer Part Number | XD-14450 |

## Images

![XD-14450 Compatible with D44a Quadratec Differentials MADE in USA - Image 1](https://m.media-amazon.com/images/I/61k3fiBvBxL.jpg)

## Questions & Answers

**Q: What’s the spline count**
A: All Aussie Lockers are designed to fit stock axle shafts. For the Dana 44 A, Aussie Locker XD-14450 the stock axle spline count is 30.

**Q: Will this fit the 1998 Jeep Grand Cherokee 5.9 limited edition**
A: Most likely yes, the Dana 44A was the common rear axle model for your vehicle. There were however some Dana 35's as well, so best to look at the diff cover and verify before ordering.

**Q: Will this work on the rear of a full time 4 249 t case just the rear alone**
A: It is not recommended to use an Aussie Locker with a Full Time transfer case.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sg/products/95528192-xd-14450-compatible-with-d44a-quadratec-differentials-made-in-usa](https://www.desertcart.sg/products/95528192-xd-14450-compatible-with-d44a-quadratec-differentials-made-in-usa)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-24*