Prior Diesel’s Aftermarket Support includes off the shelf availability of quality spare parts for a wide range of engines and equipment.

The new Prior Diesel Webshop is now live! We are offering new customers 5% off their order when registering an account.

View the full list of brands we represent (pdf)

Enter the code NewCustomer at the checkout to apply the discount to your order


Prior Diesel stock an extensive range of over 100,000 genuine engine spares from a mixture of our highly regarded suppliers. Items which are not held in the Prior Diesel stockroom are available on an urgent order delivery, subject to availability, keeping waiting time at a minimum for our customers.

Urgent spare parts orders are received by Prior Diesel on a daily basis. With orders needing to leave Prior Diesel on the same day, our despatch team prides itself on a quick turn-around of items, keeping our customers’ satisfied.

Our parts team boasts over 100 years of experience in the engine spares & export business. Our dedicated team will be happy to help with any enquiry, no matter the size.

Contact us for a quote on your desired items today!


Prior Diesel are the UK’s authorised distributor for A/M Air Starter sales and service. We can supply a high quality range of air & gas operated starter motors and replacement parts.

A/M Air Starter Sales and Service have for over 50 years been a leading manufacturer of new starter motors, replacement parts, tune-up kits, drives and accessories for Ingersoll Rand®, Startmaster®, TDI®, Pow R Quik®, Solar®, Aire-Myte®, Wahlberg® and CAT® in the Oil and Gas, Marine, Mining, Transportation and Drive Business industry.

Prior Diesel also supply genuine OEM Ingersoll Rand®, Startmaster®, TDI®, Gali®, Austart® and Pow R Quik® starter motors and replacement parts.

New starter motor, replacement parts, accessories and old starter motor overhaul can all be provided at competitive prices.


We have a range of courier services available to us, with options to suit our customers’ requirements. Next day delivery is available within the United Kingdom, subject to postcode and courier availability in your area.

Prior Diesel are able to offer cost effective, quick deliveries to the majority of the UK. Our support team will send tracking details to our customer as their order is dispatched, allowing customers to keep track of their order.

Saturday deliveries are available at an extra cost, within the United Kingdom, subject to your delivery area.

Due to our range of couriers, Prior Diesel are also able to offer cost effective & quick deliveries to overseas clients.


Prior Diesel are able to offer re-manufactured engine components for many different engine brands. Products are fully disassembled, cleaned, inspected before being re-assembled by our experienced workshop team.

All service exchange items that are sent into Prior Diesel are re-assembled using only new and genuine parts. This includes any parts that are broken, worn or are built to an outdated design.

Key Benefits of Re-manufactured Engine Components

  • Reduces customer downtime by providing an exchange component
  • Savings of 25-30% compared to a new component
  • Provides known repair costs up front
  • Provides a product to new quality specifications using only genuine OEM parts and approved remanufacturing processes.