2021 Nissan Titan Engine Parts

This table covers the bearings in the connecting-rod big ends. 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

4 Connecting Rod Bearing parts for the 2021 Nissan Titan come from 2 brands — KING ENGINE BEARINGS and TOPLINE.

The High Performance section lists 2 options from KING ENGINE BEARINGS — engineered beyond original-equipment specification. KING ENGINE BEARINGS CR8051XP is listed in this group.

In the Standard Replacement grade, TOPLINE supplies 1 part: built to original-equipment specification. A representative part number is TOPLINE RBD46.

1 further part sits outside the graded sections, with the same engine-level match.

Listed part numbers: KING ENGINE BEARINGS CR8051XP, KING ENGINE BEARINGS CR8051XPX and TOPLINE RBD46, plus the other parts above.

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

2 Conversion / Lower Gasket Set parts for the 2021 Nissan Titan come from 2 brands — AJUSA and TOPLINE.

This group includes AJUSA 54343000 and TOPLINE CBSD46.

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

5 Crankshaft Main Bearing parts are listed for the 2021 Nissan Titan, from KING ENGINE BEARINGS and TOPLINE. TOPLINE TWD47 carries the "Popular" badge.

High Performance: 2 parts, from KING ENGINE BEARINGS. A representative part number is KING ENGINE BEARINGS MB5770XPX.

The Standard Replacement section: 2 options from TOPLINE. TOPLINE TWD47 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Listed part numbers: TOPLINE TWD47, KING ENGINE BEARINGS MB5770XPX and KING ENGINE BEARINGS MB5770XP, plus the other parts above.

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

4 Crankshaft Seal parts are listed for the 2021 Nissan Titan, from AJUSA, ELRING and FEL-PRO.

Listed part numbers: AJUSA 15045100, AJUSA 15127800 and ELRING 023530, plus the other parts above.

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

3 Cylinder Head Bolt parts for the 2021 Nissan Titan come from 3 brands — AJUSA, FEL-PRO and TOPLINE.

Listed part numbers: AJUSA 81078300, FEL-PRO ES73781 and TOPLINE HBD46.

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

6 Cylinder Head Gasket parts for the 2021 Nissan Titan come from 2 brands — AJUSA and ELRING. The "Popular" part is ELRING 310981.

Part numbers include ELRING 310981, ELRING 310991 and AJUSA 10264900, among others listed above.

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

2 Cylinder Head Gasket Set parts for the 2021 Nissan Titan come from 2 brands — AJUSA and ELRING.

Part numbers include AJUSA 52666800 and ELRING 933120.

This table covers the Engine covers. Read more

This group shows a single part: VARIOUS MFR NI1228180.

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 Nissan Titan come from 2 brands — AJUSA and ELRING.

Part numbers include AJUSA 50569600 and ELRING 933100.

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

One part is listed for the 2021 Nissan Titan — TOPLINE EVD51.

This table covers the followers that drive a mechanical fuel pump off the camshaft. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS GDF715.

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

4 Intake Manifold Gasket parts for the 2021 Nissan Titan come from 3 brands — AUTOTECNICA, AJUSA and ELRING.

The Economy section lists 2 options from AUTOTECNICA — the catalog's value-priced group. AUTOTECNICA NI1415876 is listed in this group.

Standard Replacement: 2 parts, from AJUSA and ELRING. A representative part number is AJUSA 13333400.

Listed part numbers: AUTOTECNICA NI1415876, AUTOTECNICA NI1415876K and AJUSA 13333400, plus the other parts 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

One part is listed for the 2021 Nissan Titan — TOPLINE IVD51.

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 are listed for the 2021 Nissan Titan, from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand.

This group includes ANCHOR 10153, DEA / MARMON RIDE CONTROL A4386 and PIONEER 600153 and the remaining parts above.

This table covers the Motor Mount kits. Read more

One part is listed for the 2021 Nissan Titan — ANCHOR 301156.

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 are listed for the 2021 Nissan Titan, from LIQUI MOLY, VALVOLINE, MOBIL and 3 other brands. LIQUI MOLY 22044 carries the "Popular" badge. 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

3 Oil Cooler parts are listed for the 2021 Nissan Titan, from ACKOJA, NISSENS and STANDARD MOTOR PRODUCTS.

This group includes ACKOJA A38600024, NISSENS 91440 and STANDARD MOTOR PRODUCTS OCK35.

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

6 Oil Drain Plug parts are listed for the 2021 Nissan Titan, from DORMAN, AGS, BECK/ARNLEY and 2 other brands. DORMAN 090038 carries the "Popular" badge.

Listed part numbers: DORMAN 090038, DORMAN 090049 and AGS ODP00011, 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

6 Oil Drain Plug Gasket parts for the 2021 Nissan Titan come from 5 brands — DORMAN, FEL-PRO, AJUSA and 2 other brands. The "Popular" part is DORMAN 097134.

Part numbers include DORMAN 097134, FEL-PRO 73347 and AJUSA 01140600, among others listed above.

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

5 Oil Filler Cap parts are listed for the 2021 Nissan Titan, from MOTORAD, CALORSTAT, DORMAN and 2 other brands. MOTORAD MO107 carries the "Popular" badge.

Part numbers include MOTORAD MO107, CALORSTAT OC2316 and DORMAN 90200, among others listed above.

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 are listed for the 2021 Nissan Titan, from VARIOUS MFR, BOSCH, WIX and 11 other brands. MOBIL M1110A carries the "Popular" badge.

Economy: 6 parts, from VARIOUS MFR, BOSCH, FRAM and 2 other brands. A representative part number is BOSCH 72226WS.

In the High Performance / Heavy Duty grade, MOBIL and WIX supply 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1110A.

The Standard Replacement section: 10 options from BOSCH, WIX, ACKOJA and 7 other brands. BOSCH 3323 is listed in this group.

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

This group shows a single part: SPECTRA PREMIUM NSP52A.

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

One part is listed for the 2021 Nissan Titan — VICTOR REINZ 703141410.

This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit. Read more

One part is listed for the 2021 Nissan Titan — ASTEMO / HITACHI OUP0038.

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

This group shows a single part: TOPLINE PAD46G.

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

One part is listed for the 2021 Nissan Titan — TOPLINE PBD34.

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

This group shows a single part: TOPLINE RSD46L.

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

4 Timing Chain parts for the 2021 Nissan Titan come from 2 brands — CLOYES and S.A. GEAR.

Part numbers include CLOYES C563, CLOYES C564 and S.A. GEAR C1242, among others listed above.

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

5 Timing Chain & Component Kit parts are listed for the 2021 Nissan Titan, from S.A. GEAR, CLOYES and TOPLINE. S.A. GEAR 76463 carries the "Popular" badge.

Economy: 2 parts, from S.A. GEAR. A representative part number is S.A. GEAR 76463.

The Standard Replacement section: 3 options from CLOYES and TOPLINE. CLOYES 90563S is listed in this group.

This group includes S.A. GEAR 76463, S.A. GEAR 76463S and CLOYES 90563S and the remaining parts above.

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

8 Timing Chain Guide / Damper parts for the 2021 Nissan Titan come from 2 brands — S.A. GEAR and CLOYES. The "Popular" part is S.A. GEAR 71315.

Part numbers include S.A. GEAR 71315, S.A. GEAR 91427 and CLOYES 96277, among others listed above.

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

4 Timing Chain Tensioner parts are listed for the 2021 Nissan Titan, from CLOYES and S.A. GEAR.

This group includes CLOYES 96275, CLOYES 96276 and S.A. GEAR 91424 and the remaining parts above.

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

One part is listed for the 2021 Nissan Titan — SKF 17897.

This table covers the crankshaft sprockets that drive the timing chain or belt. Read more

4 Timing Crank Sprocket parts are listed for the 2021 Nissan Titan, from CLOYES and S.A. GEAR.

Part numbers include CLOYES S1235, CLOYES S1237 and S.A. GEAR S1540, among others listed above.

This table covers the Turbocharger Oil lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

STANDARD MOTOR PRODUCTS supplies both parts for the 2021 Nissan Titan.

Part numbers include STANDARD MOTOR PRODUCTS TIH136 and STANDARD MOTOR PRODUCTS TIH137.

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

9 Valve Cover Gasket parts are listed for the 2021 Nissan Titan, from APEX, ELRING, BECK/ARNLEY and 1 other brand. BECK/ARNLEY 0362031 carries the "Popular" badge.

Listed part numbers: BECK/ARNLEY 0362031, BECK/ARNLEY 0362032 and APEX AVC570R, plus the other parts above.

This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering. Read more

TOPLINE supplies both parts for the 2021 Nissan Titan.

Listed part numbers: TOPLINE EVGD30 and TOPLINE VGD27.

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

3 Valve Spring Retainer Keeper parts for the 2021 Nissan Titan come from 3 brands — MELLING, QUALCAST and SBI.

Part numbers include MELLING VL730, QUALCAST 345012 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

5 Valve Stem Seal parts are listed for the 2021 Nissan Titan, from FEL-PRO, ELRING, QUALCAST and 2 other brands. FEL-PRO SS70157 carries the "Popular" badge.

This group includes FEL-PRO SS70157, ELRING 012410 and QUALCAST 3899455 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

4 Variable Valve Timing (VVT) Solenoid / Actuator parts are listed for the 2021 Nissan Titan, from DORMAN, HOLSTEIN, WELLS and 1 other brand.

Economy: 3 parts, from DORMAN, HOLSTEIN and WELLS. A representative part number is DORMAN 916604.

The Standard Replacement section: 1 option from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS VVT377 is listed in this group.

This group includes DORMAN 916604, HOLSTEIN 2VTS0279 and WELLS 2T1264 and the remaining parts above.