2021 Lincoln Nautilus Engine Parts

This table covers the seals at each camshaft end. 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 Lincoln Nautilus — MAHLE / CLEVITE GS34060.

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

3 Conversion / Lower Gasket Set parts for the 2021 Lincoln Nautilus come from 2 brands — AJUSA and MAHLE / CLEVITE.

Part numbers include AJUSA 54345300, AJUSA 54277000 and MAHLE / CLEVITE CS55302.

This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

One part is listed for the 2021 Lincoln Nautilus — ENGINETECH BC116J.

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

15 Crankshaft Seal parts are listed for the 2021 Lincoln Nautilus, from FEL-PRO, MAHLE / CLEVITE, AJUSA and 5 other brands. FEL-PRO BS40689 carries the "Popular" badge.

This table covers the Crankshaft Seal covers. Read more

This group shows a single part: DORMAN 635557.

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

4 Cylinder Head Bolt parts for the 2021 Lincoln Nautilus come from 2 brands — AJUSA and MAHLE / CLEVITE.

Listed part numbers: AJUSA 81035200, AJUSA 81071300 and MAHLE / CLEVITE GS33489, plus the other parts above.

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

14 Cylinder Head Gasket parts for the 2021 Lincoln Nautilus come from 6 brands — FEL-PRO, AJUSA, MAHLE / CLEVITE and 3 other brands. The "Popular" part is APEX AHG1382R.

This table covers multi-piece gasket sets for a cylinder-head job. 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

3 Cylinder Head Gasket Set parts for the 2021 Lincoln Nautilus come from 2 brands — AJUSA and MAHLE / CLEVITE.

Listed part numbers: AJUSA 52671600, AJUSA 52520400 and MAHLE / CLEVITE HS55526A.

This table covers the Cylinder Head temperature sensors. Typical signs include hard cold starts, a fan that never comes on, or a gauge that disagrees with the scan tool. A sensor that reads open or shorted is usually the part; an implausible-but-smooth reading can be wiring. Read more

4 Cylinder Head Temperature Sensor parts are listed for the 2021 Lincoln Nautilus, from WELLS, NTK and VEMO.

This group includes NTK EJ0001, VEMO V25720224 and WELLS 5S17577 and the remaining parts above.

This table covers the Engine covers. Read more

6 Engine Cover parts for the 2021 Lincoln Nautilus come from 2 brands — TECHPRO and VARIOUS MFR.

Part numbers include TECHPRO FO1228169, TECHPRO FO1228170 and TECHPRO FO1228162, among others listed above.

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. Read more

2 Engine Kit Gasket Set parts for the 2021 Lincoln Nautilus come from AJUSA.

Listed part numbers: AJUSA 50596600 and AJUSA 50470600.

This table covers the exhaust valves that let combustion gas out of 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. Read more

5 Exhaust Valve parts are listed for the 2021 Lincoln Nautilus, from SBI, ENGINETECH, MELLING and 1 other brand.

Listed part numbers: ENGINETECH V2731, MELLING V5823 and QUALCAST 1013497, plus the other parts above.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

2 Harmonic Balancer parts for the 2021 Lincoln Nautilus come from 2 brands — ATP and DORMAN.

Part numbers include ATP 102450 and DORMAN 594726.

This table covers the Harmonic Balancer bolts. Read more

2 Harmonic Balancer Bolt parts are listed for the 2021 Lincoln Nautilus, from DORMAN and SKP.

Part numbers include DORMAN 926885 and SKP SK926885.

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

5 Intake Manifold Gasket parts for the 2021 Lincoln Nautilus come from 3 brands — AJUSA, MAHLE / CLEVITE and VICTOR REINZ.

Listed part numbers: AJUSA 77088900, AJUSA 13287400 and MAHLE / CLEVITE MS19948, plus the other parts above.

This table covers the Intake Manifold Runner Control Valve solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS RCS109.

This table covers the gaskets that seal the Intake Plenum. 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

2 Intake Plenum Gasket parts are listed for the 2021 Lincoln Nautilus, from FEL-PRO and ULTRA-POWER.

Part numbers include FEL-PRO MS97205, among others listed above.

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. Read more

7 Intake Valve parts are listed for the 2021 Lincoln Nautilus, from SBI, MELLING, ENGINETECH and 1 other brand. MELLING V3428 carries the "Popular" badge.

Part numbers include MELLING V3428, ENGINETECH V2730 and MELLING V5824, among others listed above.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

5 Motor Mount parts are listed for the 2021 Lincoln Nautilus, from ANCHOR, WESTAR and DEA / MARMON RIDE CONTROL. 2 parts fit every engine; the other 3 are engine-specific.

This group includes ANCHOR 3644, ANCHOR 3626 and DEA / MARMON RIDE CONTROL A20407 and the remaining parts above.

This table covers the Motor Mount kits. Read more

One part is listed for the 2021 Lincoln Nautilus — ANCHOR 300975.

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

33 Oil parts are listed for the 2021 Lincoln Nautilus, from VALVOLINE, MOBIL, LIQUI MOLY and 4 other brands. MOBIL 125195 carries the "Popular" badge. Grades run from Full Synthetic through Synthetic Blend; Full Synthetic is the most populated section, led by VALVOLINE, MOBIL, LIQUI MOLY and 4 other brands.

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

4 Oil Cooler Gasket parts for the 2021 Lincoln Nautilus come from 3 brands — MAHLE / CLEVITE, ELRING and FEL-PRO. 1 part fits every engine; the other 3 are engine-specific.

Listed part numbers: ELRING 920070, FEL-PRO 72709 and MAHLE / CLEVITE B32785, plus the other parts above.

This table covers the Oil Dipstick tubes. Read more

One part is listed for the 2021 Lincoln Nautilus — MOTORCRAFT EDPS59.

This table covers the drain plugs in the oil pan. Read more

7 Oil Drain Plug parts are listed for the 2021 Lincoln Nautilus, from DORMAN, AGS and ENGINETECH. 1 part fits every engine; the other 6 are engine-specific.

Listed part numbers: AGS ODP00009, DORMAN 090034 and DORMAN 090175, plus the other parts above.

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

3 Oil Drain Plug Gasket parts for the 2021 Lincoln Nautilus come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

This group includes FEL-PRO 72907, MAHLE / CLEVITE B33828 and VICTOR REINZ 712492000.

This table covers the Oil Drain Plug Removal tools. This is a service tool, not a wear part — match the application in the notes. Read more

One part is listed for the 2021 Lincoln Nautilus — DORMAN 090999.

This table covers the caps on the oil filler neck. Read more

2 Oil Filler Cap parts are listed for the 2021 Lincoln Nautilus, from MOTORAD and MOTORCRAFT. All of them fit every engine offered in the 2021 Nautilus.

This group includes MOTORAD MO201 and MOTORCRAFT EC791.

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

32 Oil Filter parts are listed for the 2021 Lincoln Nautilus, from VARIOUS MFR, WIX, MOTORCRAFT and 13 other brands. PRO-TEC PXL10050 carries the "Popular" badge. Economy, High Performance / Heavy Duty and Standard Replacement are all represented, and Standard Replacement alone accounts for 17 parts.

This table covers the Oil Filter Adapter 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

5 Oil Filter Adapter Gasket / O-Ring parts for the 2021 Lincoln Nautilus come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

This group includes FEL-PRO 73195, FEL-PRO 72949 and FEL-PRO ES73142 and the remaining parts above.

This table covers the Oil Filter covers. Read more

3 Oil Filter Cover parts for the 2021 Lincoln Nautilus come from 3 brands — AUTOTECNICA, DORMAN and MOTORAD.

This group includes AUTOTECNICA FD1416939PRM, DORMAN 921157 and MOTORAD MO363.

This table covers the gaskets that seal the Oil Filter. 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

This group shows a single part: FEL-PRO 73869.

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

One part is listed for the 2021 Lincoln Nautilus — MAHLE / CLEVITE GS33875.

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

3 Oil Pan parts for the 2021 Lincoln Nautilus come from 3 brands — DORMAN, SKP and SPECTRA PREMIUM.

Listed part numbers: DORMAN 266033, SKP SK6675 and SPECTRA PREMIUM FP97A.

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

2 Oil Pan Gasket parts are listed for the 2021 Lincoln Nautilus, from ELRING and VICTOR REINZ.

This group includes ELRING 190800 and VICTOR REINZ 703141410.

This table covers the Oil Pump Control Valve solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

3 Oil Pump Control Valve / Solenoid parts for the 2021 Lincoln Nautilus come from 2 brands — DORMAN and STANDARD MOTOR PRODUCTS.

Part numbers include DORMAN 926542, DORMAN 926544 and STANDARD MOTOR PRODUCTS OPS407.

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

2 Oil Pump Gasket parts for the 2021 Lincoln Nautilus come from 2 brands — ELRING and MAHLE / CLEVITE. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include ELRING 919910 and MAHLE / CLEVITE GS34093.

This table covers the pickup tubes and screens that feed the oil pump. Read more

3 Oil Pump Pickup Tube / Screen parts for the 2021 Lincoln Nautilus come from MOTORCRAFT.

Listed part numbers: MOTORCRAFT EPT1, MOTORCRAFT EPT2 and MOTORCRAFT EPT3.

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

This group shows a single part: FEL-PRO 72705.

This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo. Read more

4 Piston parts for the 2021 Lincoln Nautilus come from 2 brands — ENGINETECH and SILV-O-LITE.

Listed part numbers: ENGINETECH K27206P, ENGINETECH P2720 and SILV-O-LITE SL10083, plus the other parts above.

This table covers the rings that seal each piston to the cylinder wall. Read more

2 Piston Ring parts for the 2021 Lincoln Nautilus come from 2 brands — HASTINGS MANUFACTURING and ITM ENGINE COMPONENTS.

Listed part numbers: HASTINGS MANUFACTURING SN4172 and ITM ENGINE COMPONENTS 0219276.

This table covers the rocker arms that transfer cam motion to the valves. Read more

5 Rocker Arm parts are listed for the 2021 Lincoln Nautilus, from MELLING, ENGINETECH, INA and 2 other brands. MELLING MR1352 carries the "Popular" badge.

Listed part numbers: MELLING MR1352, ENGINETECH ER1342 and INA VF02551, plus the other parts above.

This table covers the timing chains that keep the cams in time with the crank. Read more

6 Timing Chain parts for the 2021 Lincoln Nautilus come from 3 brands — CLOYES, MELLING and S.A. GEAR.

This group includes CLOYES C567, CLOYES C959 and MELLING 1078 and the remaining parts above.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

7 Timing Chain & Component Kit parts are listed for the 2021 Lincoln Nautilus, from S.A. GEAR, CLOYES, MELLING and 2 other brands. MELLING 31078S carries the "Popular" badge.

In the Economy grade, S.A. GEAR supplies 2 parts: the catalog's value-priced group. A representative part number is S.A. GEAR 76409.

The Standard Replacement section lists 5 options from CLOYES, MELLING, ENGINETECH and 1 other brand — built to original-equipment specification. MELLING 31078S is listed in this group.

Listed part numbers: MELLING 31078S, S.A. GEAR 76409 and S.A. GEAR 76442S, plus the other parts above.

This table covers the guides and dampers that keep the timing chain on its path. Read more

16 Timing Chain Guide / Damper parts for the 2021 Lincoln Nautilus come from 4 brands — S.A. GEAR, MELLING, PREFERRED COMPONENTS INC and 1 other brand. The "Popular" part is MELLING BG7040.

This table covers the tensioners that keep the timing chain taut. 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. Read more

9 Timing Chain Tensioner parts are listed for the 2021 Lincoln Nautilus, from MELLING, S.A. GEAR, CLOYES and 1 other brand. MELLING BT7026 carries the "Popular" badge.

Listed part numbers: MELLING BT7026, MELLING BT7025 and CLOYES 96066, plus the other parts above.

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

4 Timing Cover Gasket parts are listed for the 2021 Lincoln Nautilus, from ELRING and MAHLE / CLEVITE. 1 part fits every engine; the other 3 are engine-specific.

This group includes ELRING 922340, ELRING 851330 and MAHLE / CLEVITE T33854 and the remaining parts above.