2021 Nissan Sentra Engine Parts

This table covers the Balance Shaft sprockets. Read more

One part is listed for the 2021 Nissan Sentra — MELLING S945.

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

This group shows a single part: AJUSA 15121300.

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

One part is listed for the 2021 Nissan Sentra — AJUSA 54303400.

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

This group shows a single part: TOPLINE TWD43.

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

6 Crankshaft Seal parts for the 2021 Nissan Sentra come from 5 brands — AJUSA, FEL-PRO, MAHLE / CLEVITE and 2 other brands. The "Popular" part is AJUSA 15045100.

Part numbers include AJUSA 15045100, FEL-PRO BS40714 and AJUSA 15093000, among others listed above.

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

One part is listed for the 2021 Nissan Sentra — AJUSA 81042900.

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

2 Cylinder Head Gasket parts are listed for the 2021 Nissan Sentra, from AJUSA and FEL-PRO.

Listed part numbers: AJUSA 10278500 and FEL-PRO 26899PT.

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

One part is listed for the 2021 Nissan Sentra — AJUSA 52670300.

This table covers the Engine covers. Read more

4 Engine Cover parts are listed for the 2021 Nissan Sentra, from TECHPRO and VARIOUS MFR.

Listed part numbers: TECHPRO NI1228175 and TECHPRO NI1228176, plus the other parts 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

One part is listed for the 2021 Nissan Sentra — AJUSA 50594400.

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

One part is listed for the 2021 Nissan Sentra — DAYCO PB1655N.

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

2 Intake Manifold Gasket parts are listed for the 2021 Nissan Sentra, from AJUSA and VICTOR REINZ.

Listed part numbers: AJUSA 13352500 and VICTOR REINZ 712072700.

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

4 Motor Mount parts for the 2021 Nissan Sentra come from 4 brands — ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand.

Listed part numbers: ANCHOR 10256, DEA / MARMON RIDE CONTROL A43017 and PIONEER 610256, plus the other parts above.

This table covers the Motor Mount kits. Read more

This group shows a single part: ANCHOR 301080.

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

37 Oil parts for the 2021 Nissan Sentra come from 6 brands — LIQUI MOLY, VALVOLINE, MOBIL and 3 other brands. The "Popular" part is LIQUI MOLY 22044. Full Synthetic and High Mileage (>75,000 Miles) are all represented, and Full Synthetic alone accounts for 30 parts.

This table covers the heat exchangers that cool engine oil. Typical signs include oil at the cooler fittings, or coolant that looks like a milkshake. Pressure-test both circuits after a cooler swap — a leak here mixes oil and coolant. Read more

2 Oil Cooler parts for the 2021 Nissan Sentra come from 2 brands — DORMAN and GPD.

This group includes DORMAN 918483 and GPD 2611471.

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

4 Oil Drain Plug parts for the 2021 Nissan Sentra come from 3 brands — DORMAN, BECK/ARNLEY and REIN.

Listed part numbers: BECK/ARNLEY 0160116, DORMAN 090038 and DORMAN 090049, 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

5 Oil Drain Plug Gasket parts are listed for the 2021 Nissan Sentra, from DORMAN, AJUSA, APEX and 1 other brand. DORMAN 097134 carries the "Popular" badge.

Listed part numbers: DORMAN 097134, AJUSA 01140600 and APEX ADP1904, plus the other parts above.

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

3 Oil Filler Cap parts for the 2021 Nissan Sentra come from 3 brands — CALORSTAT, GATES and MOTORAD.

Part numbers include CALORSTAT OC2316, GATES 31115 and MOTORAD MO107.

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

18 Oil Filter parts for the 2021 Nissan Sentra come from 14 brands — VARIOUS MFR, BOSCH, WIX and 11 other brands. The "Popular" part is CHAMP / LUBER-FINER PH2876.

The Economy section lists 7 options from VARIOUS MFR, CHAMP / LUBER-FINER, BOSCH and 3 other brands — the catalog's value-priced group. CHAMP / LUBER-FINER PH2876 is listed in this group.

The High Performance / Heavy Duty section lists 2 options from MOBIL and WIX — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1108A is listed in this group.

In the Standard Replacement grade, BOSCH, WIX, ACDELCO and 6 other brands supply 9 parts: built to original-equipment specification. A representative part number is BOSCH 3300.

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

This group shows a single part: VICTOR REINZ 703141410.

This table covers the chains that drive the oil pump. Read more

One part is listed for the 2021 Nissan Sentra — CLOYES C543.

This table covers the Oil Pump Chain 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. Read more

This group shows a single part: CLOYES 96223.

This table covers the Piston Pin bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

This group shows a single part: TOPLINE PBTO39.

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

One part is listed for the 2021 Nissan Sentra — CLOYES C542.

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

This group shows a single part: CLOYES 90542SX.

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

CLOYES supplies both parts for the 2021 Nissan Sentra.

Part numbers include CLOYES 95582 and CLOYES 95581.

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

This group shows a single part: CLOYES 95585.

This table covers the seals at the Timing Cover. 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 Timing Cover Seal parts for the 2021 Nissan Sentra come from 2 brands — MAHLE / CLEVITE and SKF.

Part numbers include MAHLE / CLEVITE 67783 and SKF 17897.

This table covers the Torque Strut mounts. 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

4 Torque Strut Mount parts are listed for the 2021 Nissan Sentra, from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand.

This group includes ANCHOR 10224, DEA / MARMON RIDE CONTROL A4391 and PIONEER 630224 and the remaining parts above.

This table covers the Valve covers. Read more

2 Valve Cover parts are listed for the 2021 Nissan Sentra, from AUTOTECNICA and DORMAN.

This group includes AUTOTECNICA NI1423153 and DORMAN 263273.

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

5 Valve Cover Gasket parts for the 2021 Nissan Sentra come from 5 brands — FEL-PRO, AJUSA, APEX and 2 other brands. The "Popular" part is FEL-PRO VS50746R.

Part numbers include FEL-PRO VS50746R, AJUSA 11113200 and APEX AVC556, among others listed above.

This table covers the keepers that lock each valve-spring retainer to the stem. Read more

2 Valve Spring Retainer Keeper parts are listed for the 2021 Nissan Sentra, from MELLING and SBI.

Part numbers include MELLING VL730 and SBI 1211064.

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

4 Valve Stem Seal parts for the 2021 Nissan Sentra come from 3 brands — AJUSA, FEL-PRO and MAHLE / CLEVITE.

This group includes AJUSA 57017900, AJUSA 12009100 and FEL-PRO SS72800 and the remaining parts above.

This table covers the oil-control solenoids that command the cam phasers. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

7 Variable Valve Timing (VVT) Solenoid / Actuator parts for the 2021 Nissan Sentra come from 7 brands — DORMAN, GATES, ROSTRA and 4 other brands. The "Popular" part is DORMAN 916767.

The Economy section: 4 options from DORMAN, GATES, ROSTRA and 1 other brand. DORMAN 916767 is listed in this group.

Standard Replacement: 3 parts, from CLOYES, NTK and STANDARD MOTOR PRODUCTS. A representative part number is CLOYES VTS233.

Listed part numbers: DORMAN 916767, GATES VVS193 and ROSTRA 790132, plus the other parts above.