This page lists 20 cooling system parts for the 2024 Freightliner MT, across 6 part types, covering all 4 engine options (6.0L V8, 6.6L V8, 6.7L L6 DIESEL Turbocharged and ELECTRIC). Every part shows its brand, manufacturer part number and fitment notes.
On the 2024 Freightliner MT, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. 16 parts of the 20 listed are Coolant / Antifreeze (10 parts), Radiator Hose (4 parts) and Intercooler Air Hose / Pipe (2 parts). The other 3 part types cover the remaining 4 parts.
The 2024 Freightliner MT was sold with 4 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2024 Freightliner MT cooling system parts are PRESTONE (10 parts), GATES (6 parts) and CONTINENTAL (3 parts), plus 1 more brand. Quality grades include Heavy Duty, Premium and Standard Replacement.
2 parts on this 2024 Freightliner MT page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including PRESTONE AF3100 (Coolant / Antifreeze) and PRESTONE AF2100 (Coolant / Antifreeze). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: 6.0L V8, 6.6L V8, 6.7L L6 DIESEL Turbocharged | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: 6.0L V8, 6.6L V8, 6.7L L6 DIESEL Turbocharged | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: 6.0L V8, 6.6L V8, 6.7L L6 DIESEL Turbocharged | AFC10000 | 🇺🇸 US 🇨🇦 CA | Command ESi PrechargedPurple | View on Amazon |
| PRESTONE Fits: 6.0L V8, 6.6L V8, 6.7L L6 DIESEL Turbocharged | AFC12100 | 🇺🇸 US 🇨🇦 CA | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: 6.0L V8, 6.6L V8, 6.7L L6 DIESEL Turbocharged | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PRESTONE Fits: 6.0L V8, 6.6L V8, 6.7L L6 DIESEL Turbocharged | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: ELECTRIC | AFC10000 | 🇺🇸 US 🇨🇦 CA | Command ESi PrechargedPurple | View on Amazon |
| PRESTONE Fits: ELECTRIC | AFC12100 | 🇺🇸 US 🇨🇦 CA | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
| PRESTONE Fits: ELECTRIC | 115CEL | 🇺🇸 US 🇨🇦 CA | Celsius Extended Life Antifreeze or Command ESi Precharged Can1 Gallon | View on Amazon |
| PRESTONE Fits: ELECTRIC | 78065 | 🇺🇸 US 🇨🇦 CA | Heavy Duty | View on Amazon |
This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator.
10 Coolant / Antifreeze parts for the 2024 Freightliner MT come from PRESTONE. The "Popular" part is PRESTONE AF3100.
In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.
The Economy section lists 1 option from PRESTONE — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.
In the Heavy Duty grade, PRESTONE supplies 2 parts: rated for severe service. A representative part number is PRESTONE AFC10000.
In the Premium grade, PRESTONE supplies 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.
4 further parts sit outside the graded sections, with the same engine-level match.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Fits: 6.0L V8, 6.7L L6 DIESEL Turbocharged | 2421017 | 🇺🇸 US 🇨🇦 CA | Radiator Surge Overflow Tank Assembly | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
One part is listed for the 2024 Freightliner MT — GPD 2421017.
Intercooler Air Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Fits: 6.7L L6 DIESEL Turbocharged | 57512 | 🇺🇸 US 🇨🇦 CA | Convoluted Charge Air | View on Amazon |
| GATES Fits: 6.7L L6 DIESEL Turbocharged | 26201 | 🇺🇸 US 🇨🇦 CA | Turbocharger Hose (Ring-Retained)Straight Hose | View on Amazon |
This table covers the Intercooler Air Hose pipes.
2 Intercooler Air Hose / Pipe parts for the 2024 Freightliner MT come from 2 brands — CONTINENTAL and GATES.
Listed part numbers: CONTINENTAL 57512 and GATES 26201.
Radiator Hose
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Fits: 6.7L L6 DIESEL Turbocharged | 60288 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES Fits: 6.7L L6 DIESEL Turbocharged | 52161 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
Universal Hose (Straight, Bulk)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Fits: 6.7L L6 DIESEL Turbocharged | 57032 | 🇺🇸 US 🇨🇦 CA | Heavy Duty Straight | View on Amazon |
| GATES Fits: 6.7L L6 DIESEL Turbocharged | 24232 | 🇺🇸 US 🇨🇦 CA | Straight (Heavy-Duty 2-Ply)2" (60 psi) | View on Amazon |
This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.
4 Radiator Hose parts are listed for the 2024 Freightliner MT, from CONTINENTAL and GATES.
The Standard Replacement section lists 2 options from CONTINENTAL and GATES — built to original-equipment specification. CONTINENTAL 60288 is listed in this group.
The Universal Hose (Straight, Bulk) section lists 2 options from CONTINENTAL and GATES — grouped under the catalog's "Universal Hose (Straight, Bulk)" designation — the notes column spells out what sets them apart. CONTINENTAL 57032 is listed in this group.
Part numbers include CONTINENTAL 60288, GATES 52161 and CONTINENTAL 57032, among others listed above.
Thermostat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 6.6L V8 | 34198 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| GATES Fits: 6.7L L6 DIESEL Turbocharged | 33915 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part.
GATES supplies both parts for the 2024 Freightliner MT.
Listed part numbers: GATES 34198 and GATES 33915.
Thermostat Housing / Water Outlet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 6.6L V8 | CO34829 | 🇺🇸 US 🇨🇦 CA | Thermostat CoverWater Outlet | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
One part is listed for the 2024 Freightliner MT — GATES CO34829.
Buying Cooling System Parts for a 2024 Freightliner MT
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Match the engine first. Every cooling system part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Radiator Hose .
Frequently Asked Questions
How many cooling system parts fit the 2024 Freightliner MT?
Our catalog currently lists 20 cooling system parts for the 2024 Freightliner MT across 6 subcategories and 4 brands, covering all 4 engine options (6.0L V8, 6.6L V8, 6.7L L6 DIESEL Turbocharged and ELECTRIC). Each part is matched to the engine(s) it fits.
Do cooling system parts differ between 2024 Freightliner MT engines?
Yes. Every cooling system part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of cooling system problems on a 2024 Freightliner MT?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2024 Freightliner MT was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2024 Freightliner MT?
First match the engine — each row shows which engine(s) the part fits. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2024 Freightliner MT
Cooling System Parts for Other Freightliner MT Years
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