14 Engine parts are listed for the 2020 International Prostar, in 7 part types, covering the 14.9L L6 DIESEL Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The engine on the 2020 International Prostar covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. The largest groups are Oil (5 parts), Turbocharger (3 parts) and Oil Pan (2 parts). The other 4 part types cover the remaining 4 parts.
Every part on this page is matched to the 14.9L L6 DIESEL Turbocharged — the only engine offered in the 2020 International Prostar.
The most listed brands for 2020 International Prostar engine parts are VALVOLINE (5 parts), GPD (3 parts) and SPECTRA PREMIUM (2 parts), plus 3 more brands.
Each part number listed for the 2020 International Prostar opens a page with every vehicle that part fits.
Oil
Summary: Notes list SAE 10W-30 and SAE 15W-40. Confirm the weight on the filler cap before you buy. Replacement brands in this table include VALVOLINE.
Full Synthetic
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 909772 | 🇺🇸 US 🇲🇽 MX | Heavy Duty Full Synthetic SAE 15W-40 DIESEL1 Gallon | View on Amazon |
Heavy Duty / Diesel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 909778 | 🇺🇸 US 🇲🇽 MX | Heavy Duty Conventional SAE 15W-40 DIESEL1 Gallon | View on Amazon |
Synthetic Blend
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 909766 | 🇺🇸 US 🇲🇽 MX | Heavy Duty Synthetic Blend SAE 15W-40 DIESEL1 Gallon | View on Amazon |
| VALVOLINE | 909776 | 🇺🇸 US 🇲🇽 MX | Heavy Duty Synthetic Blend SAE 10W-30 DIESEL1 Gallon | View on Amazon |
| VALVOLINE | 909782 | 🇺🇸 US 🇲🇽 MX | Heavy Duty Synthetic Blend SAE 15W-40 DIESEL2.5 Gallon | View on Amazon |
This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.
VALVOLINE supplies the 5 Oil parts for the 2020 International Prostar.
In the Full Synthetic grade, VALVOLINE supplies 1 part: full-synthetic oils. A representative part number is VALVOLINE 909772.
In the Heavy Duty / Diesel grade, VALVOLINE supplies 1 part: grouped under the catalog's "Heavy Duty / Diesel" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE 909778.
In the Synthetic Blend grade, VALVOLINE supplies 3 parts: synthetic-blend oils. A representative part number is VALVOLINE 909766.
Part numbers include VALVOLINE 909772, VALVOLINE 909778 and VALVOLINE 909766, among others listed above.
Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS / BALDWIN | BD50000 | 🇲🇽 MX | MFIDual-Flow | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
One part is listed for the 2020 International Prostar — HASTINGS / BALDWIN BD50000.
Oil Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM | CMP09A | 🇺🇸 US 🇲🇽 MX | Front SumpEPA 13 | View on Amazon |
| SPECTRA PREMIUM | CMP08A | 🇺🇸 US 🇲🇽 MX | Front SumpEPA 17 | View on Amazon |
This table covers the oil pans that hold the engine's oil sump.
2 Oil Pan parts for the 2020 International Prostar come from SPECTRA PREMIUM.
Part numbers include SPECTRA PREMIUM CMP09A and SPECTRA PREMIUM CMP08A.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 2646005G | 🇺🇸 US 🇲🇽 MX | MFI | View on Amazon |
This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2020 International Prostar — DORMAN 2646005G.
Turbocharger
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 2511376 | 🇲🇽 MX | Engine Code ISXwith Electronic Actuator | View on Amazon |
| GPD | 2511893 | 🇲🇽 MX | View on Amazon | |
| GPD | 2513061 | 🇺🇸 US | with Electronic Actuator | View on Amazon |
This table covers the turbochargers that compress intake air.
GPD supplies the 3 Turbocharger parts for the 2020 International Prostar.
This group includes GPD 2511376, GPD 2511893 and GPD 2513061.
Turbocharger Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 6745001G | 🇺🇸 US 🇲🇽 MX | Mounting Gasket | View on Amazon |
This table covers the gaskets that seal the Turbocharger. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
This group shows a single part: DORMAN 6745001G.
Valve Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING | VS1479 | 🇲🇽 MX | Engine Code ISX or Engine Code ISX 15.0O.E. Numbers 4965891, 3681001, and 3679551 | View on Amazon |
This table covers the springs that close each intake and exhaust valve. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.
This group shows a single part: MELLING VS1479.
Buying Engine Parts for a 2020 International Prostar
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Confirm you have the 14.9L 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 seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil and Turbocharger .
Frequently Asked Questions
How many engine parts fit the 2020 International Prostar?
Our catalog currently lists 14 engine parts for the 2020 International Prostar across 7 subcategories and 6 brands, covering the 14.9L L6 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2020 International Prostar?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 2020 International Prostar?
Oil rows on this page include SAE 10W-30 and SAE 15W-40. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
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 2020 International Prostar 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 2020 International Prostar?
Every part on this page is matched to the 14.9L L6 DIESEL Turbocharged engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2020 International Prostar
Engine Parts for Other International Prostar Years
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