Want to know more?
Give us a call 09 579 1159

Providing parts & services
to keep diesel engines
running since 1927

With over 35,000 parts available for diesel injection
systems, turbochargers and governors, Simms provides
next day delivery of all stocked products so you face less
equipment downtime.

Browse our range of products

View more

Diesel fuel injection

Diesel fuel injection





Top quality brands supplied by simms

  • baldwin filters
  • donaldson
  • mc-bes
  • holset
  • spaco
  • garret
  • hartridge
  • zexel
  • redat
  • redat-tapad
  • woodward
  • schwitzer
  • dipaco
  • delphi
  • stanadyne
  • yanmar
  • ihi turbo
  • hainzman
  • merlin
  • denso
  • bosch
  • gac

From single cylinder
diesels to marine engines,
we service them all

As diesel servicing experts we know that all diesel engines and fuel pumps need attention. That’s why we work on all types of diesel fuel injection systems, turbochargers and governors.

Whether it’s a passenger vehicle, truck, boat, earth moving equipment or generator - if it runs on diesel we will help you fix any fuel injection, turbocharger or governor issues.

btn get qoute

Suffering from a
Lack of power?

Whether you’re after bolt on turbo kits, or need work done on your existing turbos, you’re found the right place.

Simms are the stockist and provide expert servicing for all the major brands including Holset, Garrett, Schwitzer, Mitsubishi, Toyota and more.



prefered supplier

Be sure your woodward
governors are worked on by
trained experts

Simms Diesel is New Zealand’s only authorised Woodward governor repair agent. When we work on Woodward governors you know that only genuine Woodward parts have been used and that they’ve been installed by recognised technicians.

Even if you don’t have a Woodward governor, our team of technicians are equipped to work on all makes of governors.

btn governor services


“All my dealings with Simms diesel have resulted in excellent and most helpful personal service, brilliant problem solving and product knowledge.”

D.C. Price,  Engines
Whangamata. NZ.


Members of

  • AADS logo colour2
  • download2
  • ADSlogo FULLCOLOR member2