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Diesel Emissions Testing and Repairs for Light & Heavy Duty Trucks and diesel cars testing, centrally located in Denver Colorado.

1400 West Alameda Avenue and the corner of Pecos Street. We are an authorized independent State of Colorado Diesel Emissions Testing Station. Air Care Colorado and Envirotest approved, we have been here in the same location since 1990! Colorado State Emissions License #6042B.


We have the best prices for diesel emissions testing in Denver Metro!

Light Duty & Cars = $50.00!
Heavy Duty = $70.00
MotorHomes/RVs = $85.00

Offering “While You Wait Service” for emissions testing of diesel powered vehicles requiring the Colorado yearly diesel emissions test.

Our Hours are 8:00 AM to 5 PM weekdays only!

Motorhome & RV Hours are as follows:
10:00 AM to 11:30 AM & 1:00 PM to 2:30 PM
(this is due to the local school hours)

DieselsOnlyCircle96014’ tall door into our Garage

A to Z repairs on all light and medium duty Diesel vehicles! Fleet Accounts are welcomed.

20% off any diagnostics when you get your emissions testing done here.

Diesels Only is THE place in Denver to get your diesel repairs and maintenance done. From brakes and suspensions all the way up to rebuilding the diesel engines to spec conditions.

| top | diesel repair | car & light duty truck transmissions |

Below are some of the makes of vehicles we do diesel emissions testing for:

VW
Fordtrans
Acuratrans
BMW300w
Chryslerthenewtrans
Hyundaitrans
Nissan300w
PeugeotCitroen
KIA
Mitsubishi
Mazda
MarutiSuzuki
Porschetrans
MitsubishiDieselEngines
Audi
Cumminstrans
DetroitDiesellong
fDiesel
Freightliner
Peterbilt
Sterlingtruckstrans
Hinotrans
UDtruckstrans
turboDiesel
PorscheTurboDiesel
Porschetrans1
CadillacDiesel

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Diesels Only 1400 West Alameda Avenue, Denver, CO 80223 - (303) 778-6511

Please use this link to go to our full page size custom Google Map

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