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Contact GCL Diesel

Toll Free: 1-800-661-4425

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What happened to GCL Fuel Systems?
After 30 years supporting the Calgary and area diesel systems market, GCL Fuel Systems has closed it’s doors.
What is the relationship between GCL Diesel and GCL Fuel Systems?
In spite of the name similarities, there is no relationship. GCL Diesel is a national distribution warehouse, pump and injector testing and repair facility, and genuine product supplier for BOSCH, Alliant Power, Denso, Garrett, Stanadyne, Delphi, and more to service dealers across Canada.  GCL Fuel Systems was a service dealer based in Calgary who purchased product from GCL Diesel.  There is no other corporate affiliation.
How do I get warranty for my genuine BOSCH, Alliant Power, etc. product?
GCL Diesel would be happy to support you in your genuine product warranty needs.  Please contact us and we will be happy to assist you.
I had a pump rebuilt by GCL Fuel Systems that requires warranty work. Who can I contact?
Unfortunately, GCL Diesel is unable to provide warranty on repairs performed by GCL Fuel Systems.  However, GCL Diesel does test and repair injectors, pumps, turbos, and more.  Contact us for more information.
Where can I now purchase Stanadyne diesel fuel additive?
You can purchase Stanadyne diesel fuel additives from GCL Diesel, or from authorized dealers in your area.  For a complete list of retailers click here:
I’m looking for a local Calgary sales representative. Who can I contact?
We have a local Calgary sales representative who can be contacted by sending an email to or phoning directly at 403-966-2143.