2021 Acura TLX 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 Acura TLX — AJUSA 15012900.

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

This group shows a single part: TOPLINE RBH53.

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

4 Conversion / Lower Gasket Set parts for the 2021 Acura TLX come from 3 brands — AJUSA, ENGINETECH and TOPLINE.

Part numbers include AJUSA 54314300, AJUSA 54337700 and ENGINETECH HO24CSA, among others listed above.

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

TOPLINE supplies both parts for the 2021 Acura TLX.

This group includes TOPLINE MBH53L and TOPLINE TWH53.

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 are listed for the 2021 Acura TLX, from AJUSA, FEL-PRO and MAHLE / CLEVITE.

Part numbers include AJUSA 15035700, AJUSA 15097100 and AJUSA 15089500, among others listed above.

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

4 Cylinder Head Bolt parts for the 2021 Acura TLX come from 2 brands — AJUSA and ELRING.

This group includes AJUSA 81079400, AJUSA 81067500 and ELRING 533030 and the remaining 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

7 Cylinder Head Gasket parts for the 2021 Acura TLX come from 3 brands — AJUSA, ELRING and FEL-PRO.

This group includes AJUSA 10255200, AJUSA 10275100 and AJUSA 10275200 and the remaining parts 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 Acura TLX come from AJUSA.

This group includes AJUSA 52632800 and AJUSA 52652600.

This table covers the Engine Cover grommets. Read more

One part is listed for the 2021 Acura TLX — DORMAN 49932.

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 Acura TLX come from AJUSA.

This group includes AJUSA 50562300 and AJUSA 50581500.

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 Acura TLX come from 4 brands — AJUSA, ELRING, FEL-PRO and 1 other brand.

This group includes AJUSA 13355100, AJUSA 13346400 and ELRING 068630 and the remaining parts 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

DEA / MARMON RIDE CONTROL supplies the 3 Motor Mount parts for the 2021 Acura TLX.

Listed part numbers: DEA / MARMON RIDE CONTROL A65187, DEA / MARMON RIDE CONTROL A65185 and DEA / MARMON RIDE CONTROL A65186.

This table covers the isolators in an engine mount. Read more

2 Motor Mount Isolator parts for the 2021 Acura TLX come from DEA / MARMON RIDE CONTROL.

Part numbers include DEA / MARMON RIDE CONTROL A65191 and DEA / MARMON RIDE CONTROL A65192.

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

36 Oil parts are listed for the 2021 Acura TLX, from LIQUI MOLY, VALVOLINE, MOBIL and 3 other brands. LIQUI MOLY 22044 carries the "Popular" badge. Grades run from Full Synthetic through High Mileage (>75,000 Miles); Full Synthetic is the most populated section, led by LIQUI MOLY, VALVOLINE, PENTOSIN and 3 other brands.

This table covers the Oil Cooler Mounting kits. Read more

2 Oil Cooler Mounting Kit parts for the 2021 Acura TLX come from HAYDEN.

Listed part numbers: HAYDEN 238 and HAYDEN 153.

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

5 Oil Drain Plug parts are listed for the 2021 Acura TLX, from DORMAN, ACKOJA, REIN and 1 other brand. DORMAN 090053 carries the "Popular" badge. 2 parts fit every engine; the other 3 are engine-specific.

This group includes DORMAN 090053, ACKOJA A260253 and DORMAN 090033 and the remaining 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

4 Oil Drain Plug Gasket parts for the 2021 Acura TLX come from 4 brands — AJUSA, DORMAN, FEL-PRO and 1 other brand. 3 parts fit every engine; the other 1 is engine-specific.

This group includes AJUSA 22007400, DORMAN 095144 and FEL-PRO 73346 and the remaining parts above.

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

3 Oil Filler Cap parts are listed for the 2021 Acura TLX, from CALORSTAT, GATES and MOTORAD. All of them fit every engine offered in the 2021 TLX.

This group includes CALORSTAT OC2335, GATES 31284 and MOTORAD MO159.

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 Acura TLX, from VARIOUS MFR, BOSCH, WIX and 11 other brands. MOBIL M1110A carries the "Popular" badge. 17 parts fit every engine; the other 1 is engine-specific.

In the Economy grade, VARIOUS MFR, BOSCH, FRAM and 2 other brands supply 6 parts: the catalog's value-priced group. 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 lists 10 options from BOSCH, WIX, ACKOJA and 7 other brands — built to original-equipment specification. BOSCH 3323 is listed in this group.

This table covers the Oil Filter Support tubes. Read more

This group shows a single part: AUTOTECNICA HA1416938.

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

2 Oil Pan parts for the 2021 Acura TLX come from 2 brands — DORMAN and SPECTRA PREMIUM.

Part numbers include DORMAN 266026 and SPECTRA PREMIUM HOP44A.

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 Acura TLX — VICTOR REINZ 703141410.

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

2 Oil Pump Chain parts for the 2021 Acura TLX come from 2 brands — CLOYES and S.A. GEAR.

Part numbers include CLOYES C970 and S.A. GEAR C1182.

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

2 Oil Pump Chain Tensioner parts are listed for the 2021 Acura TLX, from CLOYES and S.A. GEAR.

This group includes CLOYES 96095 and S.A. GEAR 91352.

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

This group shows a single part: ELRING 108390.

This table covers the Oil Pump sprockets. Read more

This group shows a single part: S.A. GEAR S1431.

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 PAH53L.

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

2 Timing Chain parts for the 2021 Acura TLX come from 2 brands — CLOYES and S.A. GEAR.

This group includes CLOYES C969 and S.A. GEAR C1181.

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

4 Timing Chain & Component Kit parts are listed for the 2021 Acura TLX, from CLOYES, S.A. GEAR and TOPLINE.

Economy: 1 part, from S.A. GEAR. A representative part number is S.A. GEAR 76412.

The Standard Replacement section: 3 options from CLOYES and TOPLINE. CLOYES 90969SAX is listed in this group.

Part numbers include S.A. GEAR 76412, CLOYES 90969SAX and CLOYES 90969SA, among others listed 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 Acura TLX come from 2 brands — CLOYES and S.A. GEAR. The "Popular" part is CLOYES 95993.

Part numbers include CLOYES 95993, S.A. GEAR 71219 and CLOYES 96098, 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 Acura TLX, from CLOYES, MELLING, PREFERRED COMPONENTS INC and 1 other brand.

Part numbers include CLOYES 95988, MELLING BT7057 and PREFERRED COMPONENTS INC T60310, among others listed 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

One part is listed for the 2021 Acura TLX — MAHLE / CLEVITE JV5277.

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 Acura TLX — MAHLE / CLEVITE 68064.

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

2 Timing Crank Sprocket parts are listed for the 2021 Acura TLX, from CLOYES and S.A. GEAR.

Listed part numbers: CLOYES S1115 and S.A. GEAR S1430.

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

3 Turbocharger parts are listed for the 2021 Acura TLX, from GPD and ROTOMASTER.

Listed part numbers: GPD 2511723, GPD 2511639 and ROTOMASTER J1050116N.

This table covers the Turbocharger Boost sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

2 Turbocharger Boost Sensor parts for the 2021 Acura TLX come from 2 brands — WELLS and HELLA. Every part fits both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged.

The Economy section: 1 option from WELLS. WELLS 5S15125 is listed in this group.

Standard Replacement: 1 part, from HELLA. A representative part number is HELLA 009403361.

Part numbers include WELLS 5S15125 and HELLA 009403361.

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

2 Turbocharger Gasket parts for the 2021 Acura TLX come from AJUSA.

Part numbers include AJUSA JTC12749 and AJUSA JTC12788.

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

AJUSA supplies both parts for the 2021 Acura TLX.

Listed part numbers: AJUSA OP11372 and AJUSA OP11412.

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

One part is listed for the 2021 Acura TLX — MAHLE / CLEVITE B33874.

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

7 Valve Cover Gasket parts are listed for the 2021 Acura TLX, from AJUSA, BECK/ARNLEY, MAHLE / CLEVITE and 3 other brands. BECK/ARNLEY 0362096 carries the "Popular" badge.

Part numbers include BECK/ARNLEY 0362096, MAHLE / CLEVITE VS50899 and AJUSA 56083900, among others listed 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

One part is listed for the 2021 Acura TLX — TOPLINE IVGH21.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

One part is listed for the 2021 Acura TLX — AJUSA 85025600.

This table covers the Valve Spring retainers. Read more

This group shows a single part: MELLING VSR731.

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

This group shows a single part: MELLING VL1060.

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

8 Valve Stem Seal parts are listed for the 2021 Acura TLX, from AJUSA, FEL-PRO, MAHLE / CLEVITE and 1 other brand. FEL-PRO SS702831 carries the "Popular" badge.

Listed part numbers: FEL-PRO SS702831, AJUSA 57030200 and AJUSA 12014300, plus the other 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

3 Variable Valve Timing (VVT) Solenoid / Actuator parts are listed for the 2021 Acura TLX, from WELLS and STANDARD MOTOR PRODUCTS.

Economy: 2 parts, from WELLS. A representative part number is WELLS 2T1275.

The Standard Replacement section: 1 option from STANDARD MOTOR PRODUCTS. STANDARD MOTOR PRODUCTS VVT361 is listed in this group.

Listed part numbers: WELLS 2T1275, WELLS 2T1276 and STANDARD MOTOR PRODUCTS VVT361.

This table covers the seals at the Variable Valve Timing (VVT) Solenoid Gasket. 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 Variable Valve Timing (VVT) Solenoid Gasket / Seal parts for the 2021 Acura TLX come from ELRING.

Listed part numbers: ELRING 108080 and ELRING 108040.

This table covers the cam phaser sprockets used by the variable-valve-timing system. Read more

3 Variable Valve Timing (VVT) Sprocket parts are listed for the 2021 Acura TLX, from STANDARD MOTOR PRODUCTS and ACKOJA.

This group includes ACKOJA A260299, STANDARD MOTOR PRODUCTS VVT598 and STANDARD MOTOR PRODUCTS VVT595.

This table covers the Variable Valve Timing (VVT) Sprocket bolts. Read more

This group shows a single part: CLOYES VCB132.