10 Engine parts are listed for the 2021 Freightliner 114SD, in 4 part types, covering all 6 engine options (11.9L, 11.9L DIESEL, 12.8L L6 DIESEL Turbocharged, 7.7L L6 DIESEL Turbocharged and more). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Freightliner 114SD, 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. Most of the listed parts are Oil (5 parts), Oil Filter (3 parts) and Intake Valve (1 part). The other 1 part type covers the remaining 1 part.
The 2021 Freightliner 114SD was sold with 6 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2021 Freightliner 114SD engine parts are VALVOLINE (5 parts), QUALCAST (1 part) and GATES (1 part), plus 3 more brands. Quality grades include Standard Replacement, Heavy Duty / Diesel and High Performance / Heavy Duty.
Each part number listed for the 2021 Freightliner 114SD opens a page with every vehicle that part fits.
Intake Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST Fits: 8.9L L6 DIESEL Turbocharged | 1013162 | 🇲🇽 MX | with 1.496 In Head Diameter | View on Amazon |
This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
One part is listed for the 2021 Freightliner 114SD — QUALCAST 1013162.
Oil
Summary: Notes list SAE 10W-30 and SAE 15W-40. Confirm the engine and 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 Fits: 8.9L L6 DIESEL Turbocharged | 909772 | 🇺🇸 US 🇨🇦 CA | Heavy Duty Full Synthetic SAE 15W-40 DIESEL1 Gallon | View on Amazon |
Heavy Duty / Diesel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: 8.9L L6 DIESEL Turbocharged | 909778 | 🇺🇸 US 🇨🇦 CA | Heavy Duty Conventional SAE 15W-40 DIESEL1 Gallon | View on Amazon |
Synthetic Blend
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: 8.9L L6 DIESEL Turbocharged | 909766 | 🇺🇸 US 🇨🇦 CA | Heavy Duty Synthetic Blend SAE 15W-40 DIESEL1 Gallon | View on Amazon |
| VALVOLINE Fits: 8.9L L6 DIESEL Turbocharged | 909776 | 🇺🇸 US 🇨🇦 CA | Heavy Duty Synthetic Blend SAE 10W-30 DIESEL1 Gallon | View on Amazon |
| VALVOLINE Fits: 8.9L L6 DIESEL Turbocharged | 909782 | 🇺🇸 US 🇨🇦 CA | 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 2021 Freightliner 114SD.
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 Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 7.7L L6 DIESEL Turbocharged | 31281 | 🇺🇸 US 🇲🇽 MX | View on Amazon |
This table covers the caps on the oil filler neck.
One part is listed for the 2021 Freightliner 114SD — GATES 31281.
Oil Filter
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WIX Fits: 8.9L L6 DIESEL Turbocharged | 51748XD | 🇺🇸 US 🇨🇦 CA | Extended DrainSpin-On Lube Filter | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DONALDSON Fits: 8.9L L6 DIESEL Turbocharged | P553000 | 🇺🇸 US 🇨🇦 CA | Spin-OnOuter Diameter: 118 mm (4.65") | View on Amazon |
| MANN Fits: 8.9L L6 DIESEL Turbocharged | WP12121 | 🇺🇸 US 🇨🇦 CA | 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 2021 Freightliner 114SD, from WIX, DONALDSON and MANN.
In the High Performance / Heavy Duty grade, WIX supplies 1 part: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is WIX 51748XD.
The Standard Replacement section lists 2 options from DONALDSON and MANN — built to original-equipment specification. DONALDSON P553000 is listed in this group.
Listed part numbers: WIX 51748XD, DONALDSON P553000 and MANN WP12121.
Buying Engine Parts for a 2021 Freightliner 114SD
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 and Oil Filter .
Frequently Asked Questions
How many engine parts fit the 2021 Freightliner 114SD?
Our catalog currently lists 10 engine parts for the 2021 Freightliner 114SD across 4 subcategories and 6 brands, covering all 6 engine options (11.9L, 11.9L DIESEL, 12.8L L6 DIESEL Turbocharged, 7.7L L6 DIESEL Turbocharged and more). Each part is matched to the engine(s) it fits.
Do engine parts differ between 2021 Freightliner 114SD 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 2021 Freightliner 114SD?
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 2021 Freightliner 114SD?
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 2021 Freightliner 114SD 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 2021 Freightliner 114SD?
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 2021 Freightliner 114SD
Engine Parts for Other Freightliner 114SD Years
Switch vehicle or jump to a subcategory
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.