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Business Details
Trusted Bus & Coach Parts Supplier in Harlow, Essex
Based in Harlow, Essex, Imperial Engineering is a fifth-generation family-owned business that has evolved into the UK's principal independent distributor of original equipment (OE) bus parts and coach components. With over six decades of industry expertise, we specialise in sourcing brand-new parts directly from leading global manufacturers such as Knorr-Bremse, Wabco, and Haldex. Our comprehensive product range covers critical vehicle systems including braking, drivetrain, power steering, and turbochargers, ensuring operators maintain fleet safety and efficiency.

We prioritise simplicity, reliability, and cost-effectiveness, supported by a dedicated logistics network and a policy of collecting old components for OE manufacturer returns. Our commitment to engineering excellence is reinforced through continuous staff training, robust warranty processes, and long-standing partnerships with industry leaders. Recognised for our accountability and customer-centric approach, we serve operators from London to regional independents, delivering genuine OE quality parts and technical support tailored to evolving industry demands.
Services
Braking Components Power Steering Units Drivetrain Parts Turbocharger Supply Propshaft Repairs Water Pump Replacement Bespoke Fabrication Hydraulic Consumables Routemaster Parts Technical Support
Highlights and features
  • We offer over 60 years of specialist expertise in OE bus parts supply.
  • Our team provides nationwide support with same-day delivery options.
  • We are authorised distributors for leading manufacturers like Knorr-Bremse and Wabco.
  • Our remanufacturing facility ensures cost-effective solutions for critical components.
  • We maintain a robust warranty process for customer peace of mind.
Associations and certifications
  • Knorr-Bremse
  • Wabco
  • Haldex
  • Dana Spicer
  • TMD Friction
What people say
Genuine OE quality Excellent warranty Technical expertise Reliable supply Responsive service
Services
Braking Components
We supply original equipment air brake components from Knorr-Bremse, Wabco, and Haldex, ensuring compliance with safety standards. Our range includes compressors, brake chambers, and ABS valves for hybrid and diesel buses. Expert technical support helps operators maintain system reliability during high-demand periods.
Power Steering Units
As the UK's largest distributor of Power Steering Services (PSS) components, we offer remanufactured angle drives and steering boxes to OE specifications. We also supply new Dynamatic units for ADL and Wrightbus vehicles, reducing downtime for city-centre fleets operating at low speeds.
Drivetrain Parts
We provide Dana Spicer drivetrain components, including front and drive axles for ADL, Wrightbus, and Van Hool vehicles. Our parts meet OE standards, with technical support available for complex installations. This ensures optimal performance for operators in London and nationwide.
Turbocharger Supply
We distribute brand-new and remanufactured turbochargers from BTN Turbo and SCM Turbo, compatible with Garrett and Holset specifications. Each unit includes fitting kits and carries a one-year warranty, ensuring reliable replacements for fleet operators.
Bespoke Fabrication
Our Harlow facility specialises in machining, welding, and straightening PSV components like front axles and gearbox casings. Using traditional techniques, we deliver cost-effective repairs for critical parts, including crack testing and alignment checks to OE standards.
Questions
What types of bus parts does Imperial Engineering supply?
We supply original equipment braking systems, power steering components, drivetrain parts, turbochargers, and bespoke fabrication services for PSV applications.
Do you offer remanufactured components?
Yes, we provide remanufactured power steering units, water pumps, and propshafts built to OE specifications using genuine kits.
Can you support hybrid and electric bus maintenance?
We supply electric compressor assemblies for hybrid/EV buses from manufacturers like Knorr-Bremse, including service kits for ADL and Wrightbus models.
What areas do you cover?
We serve operators nationwide across the UK, with dedicated logistics support for London, Hertfordshire, and regional independents.
How do warranty claims work?
Our parts carry a one-year warranty. Faulty units are returned to OE manufacturers through our core exchange policy, ensuring hassle-free replacements.
Do you provide technical training?
Yes, we contribute to technical training programmes for operators like Arriva UK Bus, sharing expertise on component maintenance and system optimisation.