The 2020 Freightliner Cascadia has 76 engine parts with verified fitment on this page — 27 part types and 13 brands, covering all 5 engine options (11.9L, 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.6L L6 DIESEL Turbocharged). Each part includes a manufacturer part number and application notes.
On the 2020 Freightliner Cascadia, 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. 26 parts of the 76 listed are Oil Filter (14 parts), Turbocharger Gasket (7 parts) and Oil (5 parts). The other 24 part types cover the remaining 50 parts.
The 2020 Freightliner Cascadia was sold with 5 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
13 brands supply engine parts for the 2020 Freightliner Cascadia, led by ELRING (43 parts), DONALDSON (6 parts) and GPD (6 parts), plus 10 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2020 Freightliner Cascadia. 4 parts have it, including HASTINGS / BALDWIN LF673 (Oil Filter) and ELRING 003100 (Oil Filter Housing Seal). Each part number opens a page with every vehicle that part fits.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged | 911610 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Crankshaft Sealwithout Oil Sump Gasket | View on Amazon |
| ELRING Fits: 14.8L L6 DIESEL Turbocharged | 911960 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Crankshaft Sealwithout Control Housing Gasket,without Oil Sump Gasket | View on Amazon |
| ELRING Fits: 15.6L L6 DIESEL Turbocharged | 945300 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Crankshaft Sealwithout Oil Sump Gasket | View on Amazon |
This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
ELRING supplies the 3 Conversion / Lower Gasket Set parts for the 2020 Freightliner Cascadia.
Listed part numbers: ELRING 911610, ELRING 911960 and ELRING 945300.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 905480 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: FPM (Fluoride Rubber) | View on Amazon |
| ELRING Fits: 14.8L L6 DIESEL Turbocharged | 003770 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ELRING Fits: 15.6L L6 DIESEL Turbocharged | 369901 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: PTFE (polytetrafluoroethylene)/ACM (polyacrylate rubber)Radial Shaft Seal Design: ASW | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
3 Crankshaft Seal parts for the 2020 Freightliner Cascadia come from ELRING.
Part numbers include ELRING 905480, ELRING 003770 and ELRING 369901.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 14.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 907980 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Set | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
One part is listed for the 2020 Freightliner Cascadia — ELRING 907980.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 14.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 896235 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. 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 Freightliner Cascadia — ELRING 896235.
Cylinder Sleeve Sealing Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged | 854330 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cylinder Liner Seal Set | View on Amazon |
| ELRING Fits: 14.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 687320 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cylinder Liner Seal Set | View on Amazon |
This table covers the Cylinder Sleeve Sealing rings.
ELRING supplies both parts for the 2020 Freightliner Cascadia.
Part numbers include ELRING 854330 and ELRING 687320.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 14.8L L6 DIESEL Turbocharged | 934240 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with crankshaft seal,with valve stem seals,without cylinder head gasket,without cylinder head cover gasket,without Control Housing Gasket,without Oil Sump Gasket | View on Amazon |
This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 2020 Freightliner Cascadia — ELRING 934240.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 906690 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the gaskets between the intake manifold and the cylinder head. 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 Freightliner Cascadia — ELRING 906690.
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: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 909772 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Heavy Duty Full Synthetic SAE 15W-40 DIESEL1 Gallon | View on Amazon |
Heavy Duty / Diesel
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 909778 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Heavy Duty Conventional SAE 15W-40 DIESEL1 Gallon | View on Amazon |
Synthetic Blend
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 909766 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Heavy Duty Synthetic Blend SAE 15W-40 DIESEL1 Gallon | View on Amazon |
| VALVOLINE Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 909776 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Heavy Duty Synthetic Blend SAE 10W-30 DIESEL1 Gallon | View on Amazon |
| VALVOLINE Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 909782 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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.
5 Oil parts for the 2020 Freightliner Cascadia come from VALVOLINE.
The Full Synthetic section lists 1 option from VALVOLINE — full-synthetic oils. VALVOLINE 909772 is listed in this group.
The Heavy Duty / Diesel section lists 1 option from VALVOLINE — grouped under the catalog's "Heavy Duty / Diesel" designation — the notes column spells out what sets them apart. VALVOLINE 909778 is listed in this group.
The Synthetic Blend section lists 3 options from VALVOLINE — synthetic-blend oils. VALVOLINE 909766 is listed in this group.
This group includes VALVOLINE 909772, VALVOLINE 909778 and VALVOLINE 909766 and the remaining parts above.
Oil Cooler Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 658410 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lateral Mounting,Thermostat | View on Amazon |
This table covers the gaskets that seal the Oil Cooler. 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 Freightliner Cascadia — ELRING 658410.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 14.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 128503 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Code DD16 | View on Amazon |
This table covers the crush washers and gaskets under the oil drain plug. 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 Freightliner Cascadia — ELRING 128503.
Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS / BALDWIN Popular Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | LF673 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WIX Popular Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 57909 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Two Housing Options Exist - Check Filter FitmentMay Require OE # A4711800209 | View on Amazon |
| DONALDSON Fits: 12.8L L6 DIESEL Turbocharged | P582506 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lube filter Kit | View on Amazon |
| DONALDSON Fits: 14.8L L6 DIESEL Turbocharged | P550008 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spin-On Full FlowOuter Diameter: 95 mm (3.74") | View on Amazon |
| DONALDSON Fits: 14.8L L6 DIESEL Turbocharged | P551005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cartridge | View on Amazon |
| DONALDSON Fits: 14.8L L6 DIESEL Turbocharged | P552518 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Outer Diameter: 93 mm (3.66")Length: 107 mm (4.21") | View on Amazon |
| DONALDSON Fits: 14.9L L6 DIESEL Turbocharged | P550335 | 🇲🇽 MX | Length: 86 mm (3.39")Outer Diameter: 76 mm (2.99") | View on Amazon |
| DONALDSON Fits: 14.9L L6 DIESEL Turbocharged | P559000 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Outer Diameter: 118 mm (4.65")Length: 297 mm (11.69") | View on Amazon |
| HASTINGS / BALDWIN Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | P41000 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HASTINGS / BALDWIN Fits: 14.9L L6 DIESEL Turbocharged | BD50000 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Code ISX 15.0 or Engine Code X15Dual-Flow | View on Amazon |
| HENGST Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | E523HD654 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cartridge | View on Amazon |
| MANN Fits: 14.8L L6 DIESEL Turbocharged | HU12001Z | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| MANN Fits: 14.8L L6 DIESEL Turbocharged | HU12021Z | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Two Housing Options Exist - Check Filter FitmentMay Require OE # A4731800409 | View on Amazon |
| WIX Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | WL10663 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Two Housing Options Exist - Check Filter FitmentMay Require OE # A4731800409 | 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.
14 Oil Filter parts for the 2020 Freightliner Cascadia come from 5 brands — DONALDSON, HASTINGS / BALDWIN, WIX and 2 other brands. The "Popular" part is HASTINGS / BALDWIN LF673.
Oil Filter Housing Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Popular Fits: 14.8L L6 DIESEL Turbocharged, 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 003100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Gasket Design: Metal Elastomer GasketMaterial: FPM (fluoride rubber) | View on Amazon |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 566140 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged | 003200 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 744970 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: ACM (Polyacrylate) | View on Amazon |
| ELRING Fits: 14.8L L6 DIESEL Turbocharged | 003690 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the seals at the Oil Filter Housing. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
5 Oil Filter Housing Seal parts for the 2020 Freightliner Cascadia come from ELRING. The "Popular" part is ELRING 003100.
Listed part numbers: ELRING 003100, ELRING 566140 and ELRING 003200, plus the other parts above.
Oil Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYTON Fits: 14.9L L6 DIESEL Turbocharged | 2645606 | 🇺🇸 US 🇨🇦 CA | Front Sump20qt. Capacity | View on Amazon |
| SPECTRA PREMIUM Fits: 14.9L L6 DIESEL Turbocharged | CMP09A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front SumpEPA 13 | View on Amazon |
| SPECTRA PREMIUM Fits: 14.9L L6 DIESEL Turbocharged | CMP08A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front SumpEPA 17 | View on Amazon |
This table covers the oil pans that hold the engine's oil sump.
3 Oil Pan parts are listed for the 2020 Freightliner Cascadia, from SPECTRA PREMIUM and DAYTON.
Listed part numbers: DAYTON 2645606, SPECTRA PREMIUM CMP09A and SPECTRA PREMIUM CMP08A.
Oil Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 14.9L L6 DIESEL Turbocharged | 2646005G | 🇲🇽 MX | Engine Code ISX 15.0 | View on Amazon |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged | 567350 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ELRING Fits: 15.6L L6 DIESEL Turbocharged | 927190 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: Polyacrylate Rubber (ACM)Oil sump Material: Aluminium | View on Amazon |
| ELRING Fits: 15.6L L6 DIESEL Turbocharged | 887920 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: Polyacrylate Rubber (ACM)Oil Sump Material: Plastic | 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.
4 Oil Pan Gasket parts for the 2020 Freightliner Cascadia come from 2 brands — ELRING and DORMAN.
This group includes DORMAN 2646005G, ELRING 567350 and ELRING 927190 and the remaining parts above.
Oil Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 897241 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Feed Pipe To Engine | View on Amazon |
This table covers the gaskets that seal the Oil Pump. 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 Freightliner Cascadia — ELRING 897241.
Oil Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 003040 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Inner Diameter [MM]: 48,3 | View on Amazon |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 003050 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Inner Diameter [MM]: 38,3 | View on Amazon |
This table covers the seals at the Oil Pump. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
ELRING supplies both parts for the 2020 Freightliner Cascadia.
Part numbers include ELRING 003040 and ELRING 003050.
Timing Belt Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Fits: 12.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | SK89448 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Timing Belt tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage.
This group shows a single part: SKP SK89448.
Timing Chain Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged | 003780 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the gaskets that seal the Timing Chain Cover. 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 Freightliner Cascadia — ELRING 003780.
Timing Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 003790 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: ACM (Polyacrylate) | View on Amazon |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 906670 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | CYLINDER HEAD | View on Amazon |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 699160 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the gaskets that seal the Timing Cover. 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.
3 Timing Cover Gasket parts for the 2020 Freightliner Cascadia come from ELRING.
Part numbers include ELRING 003790, ELRING 906670 and ELRING 699160.
Turbocharger
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Popular Fits: 14.9L L6 DIESEL Turbocharged | 2511376 | 🇲🇽 MX | Engine Code ISXwith Electronic Actuator | View on Amazon |
| GPD Fits: 14.9L L6 DIESEL Turbocharged | 2511893 | 🇲🇽 MX | View on Amazon | |
| GPD Fits: 14.9L L6 DIESEL Turbocharged | 2512005 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GPD Fits: 14.9L L6 DIESEL Turbocharged | 2512006 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GPD Fits: 14.9L L6 DIESEL Turbocharged | 2513061 | 🇺🇸 US 🇨🇦 CA | with Electronic Actuator | View on Amazon |
This table covers the turbochargers that compress intake air.
5 Turbocharger parts for the 2020 Freightliner Cascadia come from GPD. The "Popular" part is GPD 2511376.
This group includes GPD 2511376, GPD 2511893 and GPD 2512005 and the remaining parts above.
Turbocharger Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYTON Fits: 14.9L L6 DIESEL Turbocharged | 6745001G | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounting Gasket | View on Amazon |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged | 491970 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged | 906820 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Charge Type: Exhaust Turbocharger | View on Amazon |
| ELRING Fits: 15.6L L6 DIESEL Turbocharged | 456070 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Code DD16 | View on Amazon |
| ELRING Fits: 15.6L L6 DIESEL Turbocharged | 865060 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Exhaust ManifoldEngine Code DD16 | View on Amazon |
| ELRING Fits: 15.6L L6 DIESEL Turbocharged | 559220 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Charge Type: Exhaust Turbocharger | View on Amazon |
| GPD Fits: 14.9L L6 DIESEL Turbocharged | 2535108 | 🇺🇸 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.
7 Turbocharger Gasket parts are listed for the 2020 Freightliner Cascadia, from ELRING, DAYTON and GPD.
This group includes DAYTON 6745001G, ELRING 491970 and ELRING 906820 and the remaining parts above.
Turbocharger Mounting Hardware
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged | 972620 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with gaskets/sealswith Mounting Manual,with Bolts/Screws | View on Amazon |
| ELRING Fits: 15.6L L6 DIESEL Turbocharged | 631090 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with gaskets/sealswith Mounting Manual,with Bolts/Screws | View on Amazon |
This table covers the fasteners that mount the turbocharger.
ELRING supplies both parts for the 2020 Freightliner Cascadia.
Listed part numbers: ELRING 972620 and ELRING 631090.
Turbocharger Oil Line Gasket / O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 15.6L L6 DIESEL Turbocharged | 527090 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Code DD16 | View on Amazon |
This table covers the Turbocharger Oil Line Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.
This group shows a single part: ELRING 527090.
Valve Cover Bolt Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 445570 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Code DD16 | View on Amazon |
This table covers the seals at the Valve Cover Bolt. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2020 Freightliner Cascadia — ELRING 445570.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged | 571272 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: Polyacrylate Rubber (ACM) | View on Amazon |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged | 539940 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: Zinc-Copper brazing alloy (ZN-CU) | View on Amazon |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged | 603480 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LowerCylinder Head | View on Amazon |
This table covers the gaskets that seal the valve cover to the cylinder head. 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.
3 Valve Cover Gasket parts for the 2020 Freightliner Cascadia come from ELRING.
This group includes ELRING 571272, ELRING 539940 and ELRING 603480.
Valve Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | VS1636 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IntakeO.E. Number A4720530420 | View on Amazon |
| MELLING Fits: 14.9L L6 DIESEL Turbocharged | VS1479 | 🇲🇽 MX | 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.
MELLING supplies both parts for the 2020 Freightliner Cascadia.
Part numbers include MELLING VS1636 and MELLING VS1479.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 654270 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Set | View on Amazon |
| ELRING Fits: 12.8L L6 DIESEL Turbocharged, 15.6L L6 DIESEL Turbocharged | 906760 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
2 Valve Stem Seal parts for the 2020 Freightliner Cascadia come from ELRING.
This group includes ELRING 654270 and ELRING 906760.
Buying Engine Parts for a 2020 Freightliner Cascadia
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 Gasket .
Frequently Asked Questions
How many engine parts fit the 2020 Freightliner Cascadia?
Our catalog currently lists 76 engine parts for the 2020 Freightliner Cascadia across 27 subcategories and 13 brands, covering all 5 engine options (11.9L, 12.8L L6 DIESEL Turbocharged, 14.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.6L L6 DIESEL Turbocharged). Each part is matched to the engine(s) it fits.
Do engine parts differ between 2020 Freightliner Cascadia 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 2020 Freightliner Cascadia?
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 Freightliner Cascadia?
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 Freightliner Cascadia 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 Freightliner Cascadia?
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 2020 Freightliner Cascadia
Engine Parts for Other Freightliner Cascadia 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.