2020 Toyota Highlander 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

5 Connecting Rod Bearing parts are listed for the 2020 Toyota Highlander, from KING ENGINE BEARINGS, TOPLINE and ENGINETECH.

Listed part numbers: ENGINETECH BB1035, KING ENGINE BEARINGS CR6873SM and KING ENGINE BEARINGS CR6873MC, 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

4 Conversion / Lower Gasket Set parts are listed for the 2020 Toyota Highlander, from AJUSA and TOPLINE.

Listed part numbers: AJUSA 54307700, AJUSA 54281900 and TOPLINE CBSTO59, plus the other parts 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

5 Crankshaft Main Bearing parts for the 2020 Toyota Highlander come from 2 brands — TOPLINE and MAHLE / CLEVITE.

Listed part numbers: MAHLE / CLEVITE MS2357A, TOPLINE TWTO59 and TOPLINE MBTO59, 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

17 Crankshaft Seal parts for the 2020 Toyota Highlander come from 10 brands — VICTOR REINZ, AJUSA, FEL-PRO and 7 other brands. The "Popular" part is FEL-PRO BS40701.

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

8 Cylinder Head Bolt parts are listed for the 2020 Toyota Highlander, from VICTOR REINZ, TOPLINE, FEL-PRO and 2 other brands. FEL-PRO ES72249 carries the "Popular" badge.

Part numbers include FEL-PRO ES72249, AJUSA 81078800 and APEX AHB871, among others listed 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

13 Cylinder Head Gasket parts are listed for the 2020 Toyota Highlander, from AJUSA, APEX, FEL-PRO and 2 other brands. APEX AHG890L carries the "Popular" badge.

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

6 Cylinder Head Gasket Set parts are listed for the 2020 Toyota Highlander, from AJUSA, MAHLE / CLEVITE and TOPLINE.

Part numbers include AJUSA 52570500, AJUSA 52526900 and MAHLE / CLEVITE HS55502A, among others listed above.

This table covers the Engine covers. Read more

8 Engine Cover parts are listed for the 2020 Toyota Highlander, from TECHPRO and VARIOUS MFR. TECHPRO TO1228271 carries the "Popular" badge. 7 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: TECHPRO TO1228271, TECHPRO TO1228315 and TECHPRO TO1228275, 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

4 Engine Kit Gasket Set parts are listed for the 2020 Toyota Highlander, from AJUSA and TOPLINE.

Part numbers include AJUSA 50522800, AJUSA 50480500 and TOPLINE CGSTO59, among others listed above.

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 for the 2020 Toyota Highlander come from 3 brands — MELLING, TOPLINE and SBI.

Part numbers include MELLING V5831, MELLING V3087 and SBI 13087, among others listed above.

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

4 Harmonic Balancer parts are listed for the 2020 Toyota Highlander, from ATP and PIONEER.

Listed part numbers: ATP 102224, ATP 102031 and PIONEER DA2224, plus the other parts above.

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

8 Intake Manifold Gasket parts are listed for the 2020 Toyota Highlander, from AJUSA, MAHLE / CLEVITE, VICTOR REINZ and 2 other brands.

Part numbers include AJUSA 13316900, AJUSA 13255600 and BECK/ARNLEY 0376251, among others listed above.

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

4 Intake Plenum Gasket parts for the 2020 Toyota Highlander come from 4 brands — AJUSA, ELRING, MAHLE / CLEVITE and 1 other brand.

This group includes AJUSA 01645000, ELRING B54040 and MAHLE / CLEVITE MS20627 and the remaining 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

6 Intake Valve parts for the 2020 Toyota Highlander come from 4 brands — QUALCAST, TOPLINE, MELLING and 1 other brand.

Listed part numbers: MELLING V3086, QUALCAST 1030532 and QUALCAST 1013086, plus the other 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

18 Motor Mount parts for the 2020 Toyota Highlander come from 3 brands — ANCHOR, PIONEER and DEA / MARMON RIDE CONTROL. The "Popular" part is ANCHOR 10210.

This table covers the Motor Mount kits. Read more

3 Motor Mount Kit parts for the 2020 Toyota Highlander come from ANCHOR.

This group includes ANCHOR 300978, ANCHOR 300981 and ANCHOR 300980.

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

38 Oil parts for the 2020 Toyota Highlander come from 6 brands — VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands. The "Popular" part is LIQUI MOLY 22044. They are grouped as Full Synthetic and High Mileage (>75,000 Miles), with Full Synthetic the largest group at 23 parts from LIQUI MOLY, VALVOLINE, MOBIL and 2 other brands.

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

5 Oil Cooler parts for the 2020 Toyota Highlander come from 3 brands — ACKOJA, NISSENS and STANDARD MOTOR PRODUCTS.

Part numbers include ACKOJA A70600016, ACKOJA A70600029 and NISSENS 91442, among others listed above.

This table covers the Oil Cooler Hose pipes. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS EOC001.

This table covers the seals at the Oil Dipstick / Tube. 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 2020 Toyota Highlander — BECK/ARNLEY 0396661.

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

7 Oil Drain Plug parts for the 2020 Toyota Highlander come from 6 brands — ELRING, BECK/ARNLEY, DORMAN and 3 other brands. The "Popular" part is BECK/ARNLEY 0160116. 2 parts fit every engine; the other 5 are engine-specific.

Part numbers include BECK/ARNLEY 0160116, DORMAN 090049 and ACKOJA A700114, among others listed 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 are listed for the 2020 Toyota Highlander, from DORMAN, ULTRA-POWER, APEX and 3 other brands. DORMAN 095156 carries the "Popular" badge. 5 parts fit every engine; the other 1 is engine-specific.

Part numbers include DORMAN 095156 and APEX ADP1902, among others listed above.

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

3 Oil Filler Cap parts for the 2020 Toyota Highlander come from 3 brands — CALORSTAT, GATES and MOTORAD. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.

Listed part numbers: CALORSTAT OC2312, GATES 31285 and MOTORAD MO155.

This table covers the gaskets that seal the Oil Filler Cap. 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 2020 Toyota Highlander — AJUSA 00519100.

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

33 Oil Filter parts for the 2020 Toyota Highlander come from 16 brands — VARIOUS MFR, BOSCH, WIX and 13 other brands. The "Popular" part is PRO-TEC PXL57047. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by ACDELCO, WIX, BECK/ARNLEY and 7 other brands.

This table covers the Oil Filter covers. Read more

5 Oil Filter Cover parts are listed for the 2020 Toyota Highlander, from MOTORAD, DORMAN, BECK/ARNLEY and 1 other brand. DORMAN 917016 carries the "Popular" badge. 2 parts fit every engine; the other 3 are engine-specific.

This group includes DORMAN 917016, BECK/ARNLEY 0410013 and MOTORAD MO300 and the remaining parts above.

This table covers the Oil Level 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 Oil Level Sensor parts for the 2020 Toyota Highlander come from 2 brands — STANDARD MOTOR PRODUCTS and VEMO.

Part numbers include STANDARD MOTOR PRODUCTS FLS360 and VEMO V70720463.

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

7 Oil Pan parts are listed for the 2020 Toyota Highlander, from ACKOJA, DORMAN, SKP and 1 other brand.

Listed part numbers: ACKOJA A700990, ACKOJA A700991 and ACKOJA A700989, plus the other parts above.

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 for the 2020 Toyota Highlander come from 2 brands — AUTOTECNICA and VICTOR REINZ. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include AUTOTECNICA TY1415891 and 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

3 Oil Pump parts for the 2020 Toyota Highlander come from 3 brands — AISIN, MELLING and TOPLINE.

This group includes AISIN OPT125, MELLING M581 and TOPLINE OPTO59.

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

4 Oil Pump Chain parts are listed for the 2020 Toyota Highlander, from CLOYES, JAPANESE OE, MELLING and 1 other brand.

Part numbers include CLOYES C996, JAPANESE OE A05079AM and MELLING 1084, among others listed above.

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

3 Oil Pump Chain Tensioner parts for the 2020 Toyota Highlander come from 3 brands — CLOYES, MELLING and PREFERRED COMPONENTS INC.

Listed part numbers: CLOYES 96157, MELLING BT7064 and PREFERRED COMPONENTS INC T66361.

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

One part is listed for the 2020 Toyota Highlander — GATES VVS398.

This table covers the O-rings that seal the oil-pump pickup tube. 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: FEL-PRO 73595.

This table covers the Oil Pump sprockets. Read more

3 Oil Pump Sprocket parts are listed for the 2020 Toyota Highlander, from CLOYES, MELLING and PREFERRED COMPONENTS INC.

Listed part numbers: CLOYES S1184, MELLING S1325 and PREFERRED COMPONENTS INC G57020.

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

TOPLINE supplies both parts for the 2020 Toyota Highlander.

Part numbers include TOPLINE PATO59H and TOPLINE PATO49L.

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 PBD34.

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

TOPLINE supplies both parts for the 2020 Toyota Highlander.

This group includes TOPLINE RSTO59 and TOPLINE RSTO49.

This table covers the Thrust washers. Read more

This group shows a single part: KING ENGINE BEARINGS TW1036AM.