Best Car Differential Assembly Kits of 2025

Joseph Prokop Avatar
Joseph Prokop
Last Updated: 9 Feb 2025

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Car differential assembly kits are essential components for vehicles that require efficient torque transfer between wheels. These kits provide the necessary components to construct a differential assembly, which helps to stabilise the vehicle and improve its handling. Differential assembly kits are suitable for both off-road and on-road vehicles, and they come in various configurations to match different vehicle models. These kits are highly recommended for vehicle owners who want to improve their car's performance and handling, and they are available from reputable automotive stores.

At a Glance: Our Top Picks

Complete Rear Differential for Honda TRX300 Cover #TOP 1
Complete Rear Differential for Honda TRX300
ftb score rating icon 9.8
Powertrax 1240-LR Lock-Right Differential Assembly Cover #TOP 2
Powertrax 1240-LR Lock-Right Differential Assembly
ftb score rating icon 9.7
GM Parts 20813559 Front Wheel Drive Component Cover #TOP 3
GM Parts 20813559 Front Wheel Drive Component
ftb score rating icon 9.5

Top 10 Car Differential Assembly Kits

#TOP 1

Complete Rear Differential for Honda TRX300

TRX300
Differential
Complete Rear Differential for Honda TRX300 Cover
Complete Rear Differential Assembly Compatible With 1988-2000 Honda TRX300 Fourtrax 2x4, TRX300FW Fourtrax 4x4 Replaces# 41300-HM5-A10

The Honda TRX300 Rear Differential is crafted from high-quality materials, ensuring a long lifespan that can endure the rigours of off-road adventures. Its primary function is to provide smooth power distribution to the rear wheels, which enhances your vehicle's traction and manoeuvrability. By replacing a faulty assembly, you can significantly improve handling during turns. Additionally, this assembly delivers consistent performance, allowing you to navigate various terrains with confidence and ease.

What We Like
High-quality materials
Smooth power distribution
Improved handling during turns
Consistent performance
#TOP 2

Powertrax 1240-LR Lock-Right Differential Assembly

PowerTrax
1240-LR
Powertrax 1240-LR Lock-Right Differential Assembly Cover
Powertrax 1240-LR Lock-Right (Chrysler 8.75)

The Powertrax Lock-Right Differential offers a robust 30 spline design, ensuring durability and performance for your vehicle. Its easy installation means you can enhance your car's differential without complicated procedures. The product is crafted from Zytanium ultra strength alloy, providing exceptional strength under pressure, which is crucial for off-road adventures or high-performance driving. Additionally, this differential assembly kit does not require a pin, simplifying the setup process for users like you.

What We Like
Durable 30 spline design
Simple installation process
Made from ultra strength alloy
No pin required
#TOP 3

GM Parts 20813559 Front Wheel Drive Component

GM (Genuine OE)
20813559
Silver
GM Parts 20813559 Front Wheel Drive Component Cover
GM Parts 20813559 Original Equipment, Misc Front Wheel Drive Pt-GM, Silver

The GM Front Wheel Drive Part is expertly designed and engineered specifically for GM vehicles, ensuring a precise fit that simplifies installation. This product has undergone rigorous testing to meet the high standards expected from genuine GM parts. By choosing this component, you can be confident in its compatibility, making it easier for you to install without unnecessary hassle. For added convenience, you can easily locate your nearest GM dealer or service centre for professional support during the installation process.

What We Like
Designed for GM vehicles
Easy installation
Precise fit
Extensively tested
#TOP 4

Genuine OEM 4WD Differential Actuator for Kia Models

51020 3E100
black
Genuine OEM 4WD Differential Actuator for Kia Models Cover
Genuine OEM 51020-3E100 4WD Differential Actuator / 510203E100 for Kia Sorento 2003-2009 Bongo III 2004-2007 Borrego 2009-2011

The OEM 4WD Actuator is a genuine factory part that comes in original retail packaging, ensuring you receive a quality product. Its OEM quality and direct fitment guarantee means it will seamlessly integrate with your vehicle. This is the exact part that originally came with your Kia, providing peace of mind for your repairs. Designed to fit various models, including the Sorento from 2002 to 2005, this actuator offers convenience and reliability for your 4WD system.

What We Like
Genuine OEM quality
Direct fitment guaranteed
Original retail packaging
Compatible with multiple models
#TOP 5

MISIOEK Front Differential for Polaris Ranger

MISIOEK
DM104R
MISIOEK Front Differential for Polaris Ranger Cover
MISIOEK Front Differential Compatible with 2011-2023 Polaris Ranger,RZR,ACE 500,570,800,900,10001333750 1333104 1334309 1337046

The MISIOEK Front Differential is specially designed for various Polaris models, ensuring a perfect fit for your Ranger, RZR, or ACE. It is 100% brand new, meaning you will receive a product that has not been refurbished or re-manufactured. Made from high-quality materials, it meets industry standards for durability and performance, providing you with peace of mind on the road. This front differential also exceeds OEM specifications in fit, form, and function, enhancing your vehicle's reliability and efficiency.

What We Like
High-quality durable materials
100% brand new part
Perfect fit for multiple models
Exceeds OEM specifications
#TOP 6

Front Axle Differential Assembly for BMW

Vahaha
Vahaha 31507590899 31507590898
Front Axle Differential Assembly for BMW Cover
Front Axle Differential Assembly Replacement for BMW X5 X6 F15 F16 F32 F30 320i 2013-2019#31507590899 31507590898 Vahaha

The BMW Axle Differential Assembly is designed for various BMW models from 2013 to 2019, including the 320i and 328i series. It features OEM part numbers to ensure compatibility, making it easy for you to find the right fit for your vehicle. Each assembly is manufactured to high-quality standards, giving you confidence in its durability. The precise design ensures stable performance, enhancing your driving experience by providing reliable power distribution to the front wheels.

What We Like
High compatibility with multiple models
Manufactured to high-quality standards
Ensures stable performance
Easy to install
#TOP 7

HonHuCo Rear Differential for Cadillac CTS

HonHuCo
84110751,23156300,20762246
HonHuCo Rear Differential for Cadillac CTS Cover
HonHuCo 84110751 23156300 20762246 Rear Differential Axle Carrier Assembly Compatible With 2014-2019 Cadillac CTS AWD Ratio 3.27

The HonHuCo Rear Differential is designed specifically for the 2014-2019 Cadillac CTS AWD 2.0L L4, ensuring perfect compatibility. Its premium quality construction guarantees a long service life and high reliability, giving you peace of mind on the road. The rugged design meets strict requirements, providing stable performance that enhances your driving experience. With easy installation, you can quickly address any differential issues, allowing you to get back to driving with confidence.

What We Like
Perfect compatibility with Cadillac CTS
Long service life
High reliability
Easy installation
#TOP 8

Traxxas 6814 Centre Differential Kit for RTR Vehicles

TRA6814
Multiple
Traxxas 6814 Centre Differential Kit for RTR Vehicles Cover
Traxxas 6814 "Center Differential Kit" Model Car Parts

The Traxxas Centre Differential Kit is essential for enhancing the performance of your Traxxas RTR vehicles. By using original Traxxas parts, you ensure optimal compatibility and functionality, giving you confidence in your model's operation. It's important to consult your vehicle's user guide to select the correct part, ensuring a perfect fit. Additionally, exploded views of your model are available on the Traxxas website, making it easier to identify and understand the components you need. This level of support simplifies the maintenance and enhancement of your model car.

What We Like
Original parts for best performance
Easy to select correct parts
Accessible model views online
Enhances vehicle functionality
#TOP 9

A-Premium Differential Coupling for Toyota Sienna

A-premium
APCLA005
A-Premium Differential Coupling for Toyota Sienna Cover
A-Premium Differential Coupling Assembly Replacement for Toyota Sienna 2011-2018 Electro Magnetic Control AWD 3.5L Rear

The A-Premium Differential Coupling is designed for Toyota Sienna models from 2011 to 2018, featuring durable construction that meets OE standards. This ensures superior performance and longevity, giving you confidence in its reliability. The direct replacement capability means you can enjoy a quick and easy installation, allowing you to get back on the road without hassle. Additionally, it meets OE performance requirements, utilising advanced design and material technology for a quiet and maintenance-free experience.

What We Like
Durable construction
Easy installation
OE performance standards
Quiet operation
#TOP 10

Yukon Dura Grip Limited Slip Differential

YDGGM8.5-3-30-1
Silver
Yukon Dura Grip Limited Slip Differential Cover
Yukon Dura Grip Limited Slip Positraction Unit for GM 8.5"/8.6" Differential with 30 Spline Axle, 2.73-And-Up Ratio, YDGGM8.5-3-30-1

The Yukon Dura Grip Differential is designed for GM 8.5" and 8.6" differentials, accommodating 30 spline axles and gear ratios of 2.73 and above. Its limited slip design, featuring composite clutches, enhances traction, providing better control and stability during driving. You will also appreciate the robust 4320 chromoly spider gears, which ensure exceptional durability and longevity. Furthermore, the fully rebuildable design allows for easy maintenance, making it a practical choice for those seeking reliability and performance.

What We Like
Enhanced traction control
Durable construction
Fully rebuildable design
Fits multiple GM models
Easy maintenance
Buying Guide Image
Editor's Notes

During our car differential assembly kit research, we found 306 car differential assembly kit products and shortlisted 10 quality products. We collected and analyzed 7,050 customer reviews through our big data system to write the car differential assembly kits list. We found that most customers choose car differential assembly kits with an average price of £316.96.

The car differential assembly kits are available for purchase. We have researched hundreds of brands and picked the top brands of car differential assembly kits, including HQPASFY, PowerTrax, GM (Genuine OE), BIG TIGER PARTS, MISIOEK.

Written by
Joseph Prokop Avatar

Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.