Best Car Differential Assembly Kits of 2026

Joseph Prokop Avatar
Joseph Prokop
Last Updated: 12 Feb 2026

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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

Traxxas 6814 Centre Differential Kit for RTR Vehicles Cover #TOP 1
Traxxas 6814 Centre Differential Kit for RTR Vehicles
ftb score rating icon 9.8
Motive Gear SS12 Differential Carrier Shim Cover #TOP 2
Motive Gear SS12 Differential Carrier Shim
ftb score rating icon 9.7
GM Genuine OE 13280086 Front Wheel Drive Part Cover #TOP 3
GM Genuine OE 13280086 Front Wheel Drive Part
ftb score rating icon 9.5

Top 3 Car Differential Assembly Kits

#TOP 1

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 2

Motive Gear SS12 Differential Carrier Shim

Motive Gear
SS12
Stock
Motive Gear SS12 Differential Carrier Shim Cover
Motive Gear (SS12) Differential Carrier Shim

The Motive Gear SS12 Shim is a practical addition for your vehicle's differential assembly. Its sizeable package dimensions (10.69 x 6.46 x 9.34 inches) indicate a well-protected product, ensuring it reaches you in perfect condition. Weighing 13.15 pounds, it offers a sturdy build, which benefits you by providing durability and reliable performance. Made in China, this part reflects global manufacturing standards. By choosing the Motive Gear SS12 Shim, you get a specialised component designed to fit precisely, enhancing your car's differential system with ease and efficiency.

What We Like
Durable and sturdy weight
Well-packaged for protection
Precise fit for differential
Reliable brand quality
#TOP 3

GM Genuine OE 13280086 Front Wheel Drive Part

GM GENUINE PARTS
13280086
Silver
Klein
GM Genuine OE 13280086 Front Wheel Drive Part Cover
GM (Genuine OE) 13280086 Original Equipment, Misc Front Wheel Drive Pt-GM, Silver

The GM 13280086 Front Wheel is designed, engineered, and tested specifically for GM vehicles, ensuring you get a part made to the highest standards for your car. Its precise fit means installation is straightforward, saving you time and hassle when replacing or repairing. For proper installation, you are advised to visit a GM dealer, independent service centre, or body shop, which helps ensure the part is fitted correctly and your vehicle runs smoothly. This part offers reliability and ease, making it a sensible choice for your vehicle maintenance.

What We Like
Designed for GM vehicles
Precisely engineered fit
Tested for quality assurance
Installation support recommended
Buying Guide Image
Editor's Notes

During our car differential assembly kit research, we found 306 car differential assembly kit products and shortlisted 3 quality products. We collected and analyzed 7,202 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 £20.00.

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 Traxxas, Motive Gear, GM GENUINE PARTS.

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.