---
product_id: 493882834
title: "Powertrax 1840-LR Lock-Right (Ford 10.25 Sterling)"
brand: "powertrax"
price: "€ 1599.40"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/493882834-powertrax-1840-lr-lock-right-ford-10-25-sterling
store_origin: NL
region: Netherlands
---

# Fits Ford 10.25" open diff, 35 spline Full-time automatic locking for max traction Drop-in design, no carrier mods needed Powertrax 1840-LR Lock-Right (Ford 10.25 Sterling)

**Brand:** powertrax
**Price:** € 1599.40
**Availability:** ✅ In Stock

## Summary

> 🚀 Lock in Power, Unlock Adventure!

## Quick Answers

- **What is this?** Powertrax 1840-LR Lock-Right (Ford 10.25 Sterling) by powertrax
- **How much does it cost?** € 1599.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/493882834-powertrax-1840-lr-lock-right-ford-10-25-sterling)

## Best For

- powertrax enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Premium materials and rugged construction backed by a 2-year/100,000-mile warranty for relentless reliability.
- • **Seamless Compatibility:** Direct fit for Ford F-250, F-350, E-Series, and Excursion with 10.25" open differentials—no guesswork, just perfect fit.
- • **Effortless Installation:** Drop-in design means no clutch packs, friction plates, or carrier modifications—get back on the road faster.
- • **OEM & Aftermarket Ready:** Replaces Eaton, Auburn Gear, Spicer, ARB, and PowerTrax parts—upgrade without compromise.
- • **Unmatched Traction Mastery:** Full-time automatic locking delivers power to both wheels, conquering any terrain with confidence.

## Overview

The Powertrax 1840-LR Lock-Right is a robust differential locker engineered for Ford 10.25" open differentials with 35 splines. It offers full-time automatic locking for superior traction, fits multiple Ford models without modification, and replaces key OEM and aftermarket parts. Built tough with premium materials, it comes backed by a 2-year/100,000-mile warranty, making it the ultimate upgrade for off-road enthusiasts and professionals seeking reliable, high-performance drivetrain enhancement.

## Description

Best suited for extreme off-road to severe on-road use, Powertrax lock right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings.

## Features

- ✔ PowerTrax 1840-LR Differential Locker – Designed for ford 10.25" Open Differential, 35 Spline; Improves traction and off-road performance; Strong, durable construction for reliable operation in harsh conditions.
- ✔ Compatible With Multiple ford Models – Fits ford F-250, F-350, E-Series, Excursion; Ideal for full-floating axles; for use in 10.5" if 3-pinion carrier is replaced with 2-pinion carrier (E7TZ4204C).
- ✔ No Clutch Packs or Friction Plates – Unlike LSDs, it provides full-time automatic locking, offering maximum power to both wheels; Drop-in design ensures simple installation without modifying the carrier.
- ✔ Replaces OEM & Aftermarket Parts – Direct replacement for Eaton 225SL56A, Auburn Gear 542089, Spicer 73109X, PowerTrax GT101035, ARB RD140; Ensures compatibility with factory axles and gear setups.
- ✔ Backed by 2-Year/100,000 Mile Warranty – Manufactured with premium materials for durability and reliability; Designed for rugged applications, delivering consistent performance on and off the road.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Powertrax |
| Brand | PowerTrax |
| Model | 1840-LR |
| Product Dimensions | 26.67 x 14.99 x 7.87 cm; 2.83 kg |
| Item model number | 1840-LR |
| Manufacturer Part Number | 1840-LR |
| OEM Part Number | 544911, LBF10.25 |
| Item Weight | 2.83 Kilograms |

## Images

![Powertrax 1840-LR Lock-Right (Ford 10.25 Sterling) - Image 1](https://m.media-amazon.com/images/I/61UJ1rrnJ+L.jpg)
![Powertrax 1840-LR Lock-Right (Ford 10.25 Sterling) - Image 2](https://m.media-amazon.com/images/I/61v+LWmzw+L.jpg)
![Powertrax 1840-LR Lock-Right (Ford 10.25 Sterling) - Image 3](https://m.media-amazon.com/images/I/61ssXnr1tPL.jpg)
![Powertrax 1840-LR Lock-Right (Ford 10.25 Sterling) - Image 4](https://m.media-amazon.com/images/I/61X4usZnHdL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- PowerTrax 1840-LR Lock-Right Differential Locker, 35 Spline, Fits ford 10.25", Rear, Open Differential, Compatible with ford F-250, F-350, E-Series, Excursion
- Lube Locker LLR-D030 Lubelocker

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**Shop now:** [https://www.desertcart.nl/products/493882834-powertrax-1840-lr-lock-right-ford-10-25-sterling](https://www.desertcart.nl/products/493882834-powertrax-1840-lr-lock-right-ford-10-25-sterling)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-27*