2021 Freightliner 122SD Engine Parts

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. Read more

ELRING supplies both parts for the 2021 Freightliner 122SD.

Part numbers include ELRING 911610 and ELRING 945300.

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. Read more

2 Crankshaft Seal parts for the 2021 Freightliner 122SD come from ELRING.

Listed part numbers: ELRING 905480 and ELRING 369901.

This table covers the bolts that clamp the cylinder head to the block. Read more

One part is listed for the 2021 Freightliner 122SD — ELRING 907980.

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. Read more

One part is listed for the 2021 Freightliner 122SD — ELRING 896235.

This table covers the Cylinder Sleeve Sealing rings. Read more

ELRING supplies both parts for the 2021 Freightliner 122SD.

Listed part numbers: ELRING 854330 and ELRING 687320.

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. Read more

One part is listed for the 2021 Freightliner 122SD — ELRING 906690.

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. Read more

5 Oil parts for the 2021 Freightliner 122SD come from VALVOLINE. Every part fits all 3 engine options (12.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 15.6L DIESEL).

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.

Listed part numbers: VALVOLINE 909772, VALVOLINE 909778 and VALVOLINE 909766, plus the other parts above.

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. Read more

One part is listed for the 2021 Freightliner 122SD — ELRING 658410.

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. Read more

One part is listed for the 2021 Freightliner 122SD — ELRING 128503.

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. Read more

10 Oil Filter parts for the 2021 Freightliner 122SD come from 4 brands — WIX, DONALDSON, HASTINGS / BALDWIN and 1 other brand. The "Popular" part is WIX 51452.

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. Read more

4 Oil Filter Housing Seal parts for the 2021 Freightliner 122SD come from ELRING.

Listed part numbers: ELRING 566140, ELRING 003200 and ELRING 003100, plus the other parts above.

This table covers the oil pans that hold the engine's oil sump. Read more

3 Oil Pan parts are listed for the 2021 Freightliner 122SD, from SPECTRA PREMIUM and DAYTON.

This group includes DAYTON 2645606, SPECTRA PREMIUM CMP09A and SPECTRA PREMIUM CMP08A.

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. Read more

4 Oil Pan Gasket parts for the 2021 Freightliner 122SD come from 2 brands — ELRING and DORMAN.

Listed part numbers: DORMAN 2646005G, ELRING 567350 and ELRING 927190, plus the other parts above.

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. Read more

One part is listed for the 2021 Freightliner 122SD — ELRING 897241.

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. Read more

ELRING supplies both parts for the 2021 Freightliner 122SD.

Listed part numbers: ELRING 003040 and ELRING 003050.

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. Read more

One part is listed for the 2021 Freightliner 122SD — ELRING 003780.

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. Read more

3 Timing Cover Gasket parts for the 2021 Freightliner 122SD come from ELRING.

This group includes ELRING 003790, ELRING 906670 and ELRING 699160.

This table covers the turbochargers that compress intake air. Read more

4 Turbocharger parts for the 2021 Freightliner 122SD come from GPD.

This group includes GPD 2512005, GPD 2512006 and GPD 2513060 and the remaining parts above.

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. Read more

7 Turbocharger Gasket parts are listed for the 2021 Freightliner 122SD, from ELRING, DAYTON and GPD.

Part numbers include DAYTON 6745001G, ELRING 491970 and ELRING 906820, among others listed above.

This table covers the fasteners that mount the turbocharger. Read more

ELRING supplies both parts for the 2021 Freightliner 122SD.

This group includes ELRING 972620 and ELRING 631090.

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. Read more

This group shows a single part: ELRING 527090.

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. Read more

One part is listed for the 2021 Freightliner 122SD — ELRING 445570.

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. Read more

3 Valve Cover Gasket parts for the 2021 Freightliner 122SD come from ELRING.

Listed part numbers: ELRING 571272, ELRING 539940 and ELRING 603480.

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. Read more

One part is listed for the 2021 Freightliner 122SD — MELLING VS1636.

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. Read more

2 Valve Stem Seal parts for the 2021 Freightliner 122SD come from ELRING.

This group includes ELRING 654270 and ELRING 906760.