Below you will find the best synthetic oil for a 2004 Freightliner MT45 CNG. Maximize your vehicle's potential with 100% full synthetic oil that is made in the USA! For more than the past 50 years, AMSOIL has perfected the art of maximizing efficiency and engine life. The advanced synthetic formulas deliver superior protection from heat, friction, and wear, keeping engines as good as new for miles. Upgrade to AMSOIL today and experience better performance, reliability, and reduced oil consumption. Click add to cart for more details. Sign up as a preferred customer and get discounts and more! The oil type, capacity and oil filter (if available) are listed below and verified for accuracy. Upgrade now!
Recommended oil for my 2004 Mt45 Cng
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Synthetic Vehicular Natural Gas Engine Oil | Get this awesome natural gas engine oil and get awesome protection for your natural gas engine. |
ANGV05-EA
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Recommended oil filters for my 2004 Mt45 Cng
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Heavy Duty Oil Filters | This is a top oil filter for the 2004 Freightliner Mt45 Cng which will block contamination and debris during heavy duty usage and off road applications. Made in the USA. Protect your engine and save money by preventing damage and protecting your engine. |
EAHD9000-EA
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Recommended transmission fluids for my 2004 Mt45 Cng
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Torque-Drive® Synthetic Automatic Transmission Fluid | Manual Transmission Fluid |
Awesome protection under extreme temperature! Protect heavy-duty transmissions with this made in the USA oil. Follow the service interval in your owner's manual. Protect your Freightliner. |
ATD1G-EA
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Recommended coolants for my Freightliner Mt45 Cng
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Heavy-Duty Antifreeze & Coolant | This heavy duty antifreeze for your 2004 Freightliner Mt45 Cng will give you awesome heat protection. Will also protect against corrosion, freezing and boil over. Get top protection under extreme temperatures and severe conditions. Protects aluminum, steel, cast iron, copper, brass and solder alloys. |
ANTHD1G-EA
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Can't find the correct oil type or capacity for your semi-truck or heavy-duty diesel engine? We can assist you with trying to identify the correct fluids to maintain your truck or fleet. Feel free to call or text us at 305-699-5059 for assistance.


