Here at Top Cog Diff & Gearbox Centre we offer great product knowledge backed by more than 30 years in the drive line industry. We don't just repair diffs and gearboxes we can restore the units back to concourse condition if need be. Top Cog Diff & Gearbox Centre take great pride in each job and back it up with a 12/20 warranty. We are also Queensland's largest stockist of the Penrite vintage and veteran oil range. We repair units from the early years of motoring to the latest models. motor racing is a huge factor at top cog and we can offer free advice on ratio selection etc.

With a cumulative experience exceeding 70 years within the automotive sector, we have dedicated ourselves to assisting individuals such as yourself in procuring the optimal oils, chemicals, and lubricants tailored to each specific circumstance. Leveraging our profound understanding of this industry, we have sourced the finest array of products, ensuring that your every interaction with us culminates in the acquisition of the utmost quality solution. Our unwavering commitment resides in the promotion of the most exceptional products accessible in the market, encompassing esteemed brands like Lubrimaxx, Castrol, Nulon, and Gulf Weston