The 2007 International RXT has 23 cooling system parts with verified fitment on this page — 8 part types and 10 brands, covering the 9.3L L6 DIESEL Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2007 International RXT, 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. Most of the listed parts are Coolant / Antifreeze (10 parts), Cooling System Tester Adapter (4 parts) and Coolant Reservoir (3 parts). The other 5 part types cover the remaining 6 parts.
The 2007 International RXT came with a single engine, the 9.3L L6 DIESEL Turbocharged, and every part is verified against it.
10 brands supply cooling system parts for the 2007 International RXT, led by PRESTONE (6 parts), DORMAN (3 parts) and GATES (3 parts), plus 7 more brands. Quality grades include Heavy Duty, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2007 International RXT. 2 parts have it, including VALVOLINE ZXG051 (Coolant / Antifreeze) and PRESTONE AF2100 (Coolant / Antifreeze). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3100 | 🇺🇸 US | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | ZXG051 | 🇺🇸 US | G05 Yellow1 Gallon | View on Amazon |
| PEAK | FCA1GAL | 🇺🇸 US | Fleet Charge1 Gallon | View on Amazon |
| PEAK | FXA1GAL | 🇺🇸 US | Final Charge Global1 Gallon | View on Amazon |
| PRESTONE | AFC10000 | 🇺🇸 US | Command ESi PrechargedPurple | View on Amazon |
| PRESTONE | AFC12100 | 🇺🇸 US | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US | All Vehicles10yr/300k mi | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US | Max Universal1 Gallon | 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 are listed for the 2007 International RXT, from PRESTONE, VALVOLINE and PEAK. VALVOLINE ZXG051 carries the "Popular" badge.
The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.
In the Economy grade, PRESTONE and VALVOLINE supply 2 parts: the catalog's value-priced group. A representative part number is PRESTONE AF3100.
The Heavy Duty section lists 5 options from PEAK, PRESTONE and VALVOLINE — rated for severe service. VALVOLINE ZXG051 is listed in this group.
The Premium section lists 2 options from PRESTONE — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 6035104 | 🇺🇸 US | with 4 Mounting Holeswith Dual Vacuum Ports | View on Amazon |
| GPD | 2421015 | 🇺🇸 US | 2 Portswith 4 Mounting Holes | View on Amazon |
| SKP | SK6035104 | 🇺🇸 US | with Dual Vacuum Ports | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
3 Coolant Reservoir parts for the 2007 International RXT come from 3 brands — DORMAN, GPD and SKP.
Listed part numbers: DORMAN 6035104, GPD 2421015 and SKP SK6035104.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANT | 10270 | 🇺🇸 US | OE Type Radiator Cap | View on Amazon |
This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.
This group shows a single part: STANT 10270.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | 31379 | 🇺🇸 US | Cooling System PressureRadiator Cap | View on Amazon |
| GATES | 31410 | 🇺🇸 US | Cooling System Pressure | View on Amazon |
| MOTORAD | 3132 | 🇺🇸 US | StandardRadiator Cap Adapter | View on Amazon |
| MOTORAD | 3126 | 🇺🇸 US | Standard | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
4 Cooling System Tester Adapter parts are listed for the 2007 International RXT, from GATES and MOTORAD.
Listed part numbers: GATES 31379, GATES 31410 and MOTORAD 3132, plus the other parts above.
Hose Clamp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9044000 | 🇺🇸 US | 1.75" DiameterCoolant | View on Amazon |
This table covers the Hose clamps.
One part is listed for the 2007 International RXT — DORMAN 9044000.
Radiator Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | 31567 | 🇺🇸 US | OE Type | View on Amazon |
| MOTORAD | 100410 | 🇺🇸 US | Heavy Duty Radiator Cap | View on Amazon |
This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.
2 Radiator Cap parts are listed for the 2007 International RXT, from GATES and MOTORAD.
Listed part numbers: GATES 31567 and MOTORAD 100410.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL | 60845 | 🇺🇸 US | Molded | 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.
This group shows a single part: CONTINENTAL 60845.
Temperature Sender / Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9047549 | 🇺🇸 US | View on Amazon |
This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender.
One part is listed for the 2007 International RXT — DORMAN 9047549.
Buying Cooling System Parts for a 2007 International RXT
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.
- Confirm you have the 9.3L L6 DIESEL Turbocharged engine — every part on this page is matched to it.
- 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 Cooling System Tester Adapter .
Frequently Asked Questions
How many cooling system parts fit the 2007 International RXT?
Our catalog currently lists 23 cooling system parts for the 2007 International RXT across 8 subcategories and 10 brands, covering the 9.3L L6 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2007 International RXT?
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 2007 International RXT 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 2007 International RXT?
Every part on this page is matched to the 9.3L L6 DIESEL Turbocharged engine. 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 2007 International RXT
Cooling System Parts for Other International RXT Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.