This page lists 5 engine parts for the 2018 Freightliner S2, across 3 part types, covering both the 6.7L L6 DIESEL Turbocharged and the 8.0L V8 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
The engine on the 2018 Freightliner S2 covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. All 5 listed parts are Oil Filter (3 parts), Turbocharger (1 part) and Turbocharger Gasket (1 part).
The 2018 Freightliner S2 was sold with both the 6.7L L6 DIESEL Turbocharged and the 8.0L V8 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2018 Freightliner S2 engine parts are GPD (2 parts), ACDELCO (1 part) and HASTINGS / BALDWIN (1 part), plus 1 more brand.
Each part number listed for the 2018 Freightliner S2 opens a page with every vehicle that part fits.
Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 8.0L V8 Turbocharged | PF48 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentFilter Media Material: Enhanced Cellulose | View on Amazon |
| HASTINGS / BALDWIN Fits: 6.7L L6 DIESEL Turbocharged | LF551 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WIX Fits: 6.7L L6 DIESEL Turbocharged | 57182 | 🇺🇸 US 🇨🇦 CA | Spin-On FilterSpin-On Lube Filter | 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.
3 Oil Filter parts are listed for the 2018 Freightliner S2, from ACDELCO, HASTINGS / BALDWIN and WIX.
Listed part numbers: ACDELCO PF48, HASTINGS / BALDWIN LF551 and WIX 57182.
Turbocharger
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Fits: 6.7L L6 DIESEL Turbocharged | 2511361 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the turbochargers that compress intake air.
One part is listed for the 2018 Freightliner S2 — GPD 2511361.
Turbocharger Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Fits: 6.7L L6 DIESEL Turbocharged | 2535074 | 🇺🇸 US 🇨🇦 CA | Only Fits Compatible Aftermarket Turbochargers | 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: GPD 2535074.
Buying Engine Parts for a 2018 Freightliner S2
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.
- Match the engine first. Every engine 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 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 Filter and Turbocharger .
Frequently Asked Questions
How many engine parts fit the 2018 Freightliner S2?
Our catalog currently lists 5 engine parts for the 2018 Freightliner S2 across 3 subcategories and 4 brands, covering both the 6.7L L6 DIESEL Turbocharged and the 8.0L V8 Turbocharged. Each part is matched to the engine(s) it fits.
Do engine parts differ between 2018 Freightliner S2 engines?
Yes. Every engine 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 engine problems on a 2018 Freightliner S2?
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 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 2018 Freightliner S2 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 2018 Freightliner S2?
First match the engine — each row shows which engine(s) the part fits. 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 2018 Freightliner S2
Engine Parts for Other Freightliner S2 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.