2020 Toyota 4RUNNER Engine Parts

This table covers the connecting rods between each piston and the crankshaft. Read more

One part is listed for the 2020 Toyota 4RUNNER — TOPLINE CRTO47.

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 are listed for the 2020 Toyota 4RUNNER, from MAHLE / CLEVITE, KING ENGINE BEARINGS and TOPLINE.

Part numbers include KING ENGINE BEARINGS CR6872SM, MAHLE / CLEVITE CB1890A and MAHLE / CLEVITE CB1890A6, among others listed 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

5 Conversion / Lower Gasket Set parts are listed for the 2020 Toyota 4RUNNER, from FEL-PRO, AJUSA, APEX and 2 other brands. FEL-PRO CS26330 carries the "Popular" badge.

Listed part numbers: FEL-PRO CS26330, AJUSA 54249500 and APEX ACS8071, 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

4 Crankshaft Main Bearing parts for the 2020 Toyota 4RUNNER come from 3 brands — TOPLINE, KING ENGINE BEARINGS and MAHLE / CLEVITE.

Listed part numbers: KING ENGINE BEARINGS MB4526SI, MAHLE / CLEVITE MS2298A and TOPLINE TWTO47L, 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

15 Crankshaft Seal parts for the 2020 Toyota 4RUNNER come from 10 brands — VICTOR REINZ, FEL-PRO, AJUSA and 7 other brands. The "Popular" part is FEL-PRO TCS46080.

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

5 Cylinder Head Bolt parts are listed for the 2020 Toyota 4RUNNER, from FEL-PRO, APEX, BECK/ARNLEY and 2 other brands. FEL-PRO ES72249 carries the "Popular" badge.

Part numbers include FEL-PRO ES72249, APEX AHB871 and BECK/ARNLEY 0161059, 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 4RUNNER, from AJUSA, FEL-PRO, ULTRA-POWER and 3 other brands. FEL-PRO 26564PT 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

5 Cylinder Head Gasket Set parts are listed for the 2020 Toyota 4RUNNER, from FEL-PRO, ULTRA-POWER, AJUSA and 1 other brand. ULTRA-POWER HS26563PT carries the "Popular" badge.

Part numbers include ULTRA-POWER HS26563PT, AJUSA 52482900 and APEX AHS8086, among others listed above.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

2 Engine Block Heater parts for the 2020 Toyota 4RUNNER come from KAT'S HEATERS.

Part numbers include KAT'S HEATERS 11813 and KAT'S HEATERS 28813.

This table covers the Engine covers. Read more

One part is listed for the 2020 Toyota 4RUNNER — TECHPRO TO1228244.

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

3 Engine Kit Gasket Set parts are listed for the 2020 Toyota 4RUNNER, from AJUSA, TOPLINE and VICTOR REINZ.

Part numbers include AJUSA 50435700, TOPLINE CGSTO47B and VICTOR REINZ 015407001.

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

2 Exhaust Valve parts for the 2020 Toyota 4RUNNER come from 2 brands — SBI and TOPLINE.

Listed part numbers: SBI 13087 and TOPLINE EVTO50.

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

6 Harmonic Balancer parts are listed for the 2020 Toyota 4RUNNER, from SKP, DORMAN, ATP and 3 other brands. SKP SK594350 carries the "Popular" badge.

In the Economy grade, SKP supplies 1 part: the catalog's value-priced group. A representative part number is SKP SK594350.

The Standard Replacement section lists 4 options from DORMAN, ATP, DAYCO and 1 other brand — built to original-equipment specification. DORMAN 594350 is listed in this group.

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

This group includes SKP SK594350, DORMAN 594350 and ATP 102334 and the remaining 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

5 Intake Manifold Gasket parts are listed for the 2020 Toyota 4RUNNER, from FEL-PRO, APEX, BECK/ARNLEY and 2 other brands. FEL-PRO MS97237 carries the "Popular" badge.

Listed part numbers: FEL-PRO MS97237, APEX AMS8861 and BECK/ARNLEY 0376244, plus the other parts 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

5 Intake Plenum Gasket parts for the 2020 Toyota 4RUNNER come from 5 brands — FEL-PRO, APEX, BECK/ARNLEY and 2 other brands. The "Popular" part is FEL-PRO MS97236.

Listed part numbers: FEL-PRO MS97236, APEX AMS8860 and BECK/ARNLEY 0374892, 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

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

Listed part numbers: MELLING V3086, QUALCAST 1013086 and SBI 13086, 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

6 Motor Mount parts for the 2020 Toyota 4RUNNER come from 6 brands — SKP, DEA / MARMON RIDE CONTROL, ANCHOR and 3 other brands. The "Popular" part is SKP SKM9599.

The Economy section: 1 option from SKP. SKP SKM9599 is listed in this group.

Standard Replacement: 5 parts, from DEA / MARMON RIDE CONTROL, ANCHOR, BECK/ARNLEY and 2 other brands. A representative part number is DEA / MARMON RIDE CONTROL A4260.

This group includes SKP SKM9599, DEA / MARMON RIDE CONTROL A4260 and ANCHOR 9599 and the remaining parts above.

This table covers the Motor Mount kits. Read more

2 Motor Mount Kit parts for the 2020 Toyota 4RUNNER come from ANCHOR.

Listed part numbers: ANCHOR 300146 and ANCHOR 300145.

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

30 Oil parts for the 2020 Toyota 4RUNNER come from 5 brands — VALVOLINE, LIQUI MOLY, MOBIL and 2 other brands. The "Popular" part is LIQUI MOLY 22044. Grades run from Full Synthetic through High Mileage (>75,000 Miles); Full Synthetic is the most populated section, led by 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

2 Oil Cooler parts for the 2020 Toyota 4RUNNER come from 2 brands — ACKOJA and NISSENS.

Listed part numbers: ACKOJA A70600017 and NISSENS 91365.

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

One part is listed for the 2020 Toyota 4RUNNER — AJUSA 01126100.

This table covers the Oil Cooler 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

2 Oil Cooler Line parts for the 2020 Toyota 4RUNNER come from SUNSONG.

Listed part numbers: SUNSONG 5806016 and SUNSONG 5801461.

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

5 Oil Drain Plug parts for the 2020 Toyota 4RUNNER come from 4 brands — DORMAN, AGS, BECK/ARNLEY and 1 other brand. The "Popular" part is DORMAN 090038.

Listed part numbers: DORMAN 090038, AGS ODP00011 and BECK/ARNLEY 0160116, 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 2020 Toyota 4RUNNER, from DORMAN, APEX, FEL-PRO and 2 other brands. DORMAN 095156 carries the "Popular" badge.

Part numbers include DORMAN 095156, APEX ADP1902 and FEL-PRO 70822, 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 4RUNNER come from 3 brands — CALORSTAT, GATES and MOTORAD.

This group includes 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 4RUNNER — 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

18 Oil Filter parts for the 2020 Toyota 4RUNNER come from 14 brands — FRAM, VARIOUS MFR, WIX and 11 other brands. The "Popular" part is MOBIL M1C256A.

The Economy section: 5 options from CHAMP / LUBER-FINER, FRAM, FVP and 2 other brands. CHAMP / LUBER-FINER P968 is listed in this group.

The High Performance / Heavy Duty section lists 3 options from MOBIL, WIX and FRAM — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1C256A is listed in this group.

Standard Replacement: 10 parts, from BOSCH, WIX, ACDELCO and 7 other brands. A representative part number is BOSCH 3981.

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

One part is listed for the 2020 Toyota 4RUNNER — MAHLE / CLEVITE B33348.

This table covers the Oil Filter covers. Read more

7 Oil Filter Cover parts are listed for the 2020 Toyota 4RUNNER, from MOTORAD, DORMAN, SKP and 3 other brands. DORMAN 917016 carries the "Popular" badge.

Listed part numbers: DORMAN 917016, SKP SK917016 and ACKOJA A700770, plus the other parts above.

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

6 Oil Pan parts are listed for the 2020 Toyota 4RUNNER, from AUTOTECNICA, DORMAN, REIN and 3 other brands.

This group includes AUTOTECNICA TY1416309, DORMAN 264344 and REIN ESK0211 and the remaining 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

5 Oil Pan Gasket parts for the 2020 Toyota 4RUNNER come from 4 brands — VICTOR REINZ, APEX, AUTOTECNICA and 1 other brand. The "Popular" part is VICTOR REINZ 703141410.

Listed part numbers: VICTOR REINZ 703141410, APEX AOP877 and AUTOTECNICA TY1415891, plus the other parts above.

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

4 Oil Pump parts for the 2020 Toyota 4RUNNER come from 3 brands — SKP, MELLING and TOPLINE.

The Economy section: 2 options from SKP. SKP SKK529 is listed in this group.

Standard Replacement: 1 part, from MELLING. A representative part number is MELLING M529.

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

Listed part numbers: SKP SKK529, SKP SKM529 and MELLING M529, plus the other parts above.

This table covers the Oil Pump repair kits. Read more

One part is listed for the 2020 Toyota 4RUNNER — MELLING K529.

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

3 Piston parts are listed for the 2020 Toyota 4RUNNER, from ENGINETECH, MAHLE / CLEVITE and TOPLINE.

The Premium section lists 2 options from ENGINETECH and MAHLE / CLEVITE — a step above OE specification in materials, tolerances or warranty terms. ENGINETECH P11256 is listed in this group.

The Standard Replacement section: 1 option from TOPLINE. TOPLINE PATO47B is listed in this group.

This group includes ENGINETECH P11256, MAHLE / CLEVITE 2243894 and TOPLINE PATO47B.

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

4 Piston Ring parts are listed for the 2020 Toyota 4RUNNER, from HASTINGS MANUFACTURING, ENGINETECH and TOPLINE.

The Premium section: 1 option from ENGINETECH. ENGINETECH S94126 is listed in this group.

The Standard Replacement section: 3 options from HASTINGS MANUFACTURING and TOPLINE. HASTINGS MANUFACTURING 2C5151 is listed in this group.

This group includes ENGINETECH S94126, HASTINGS MANUFACTURING 2C5151 and HASTINGS MANUFACTURING 2C5151S and the remaining parts above.

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

This group shows a single part: MELLING MR906.

This table covers the Thrust washers. Read more

2 Thrust Washer parts for the 2020 Toyota 4RUNNER come from KING ENGINE BEARINGS.

Listed part numbers: KING ENGINE BEARINGS TW2030AM and KING ENGINE BEARINGS TW2024AM.

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

6 Timing Chain parts are listed for the 2020 Toyota 4RUNNER, from CLOYES, MELLING and PREFERRED COMPONENTS INC. CLOYES 94216 carries the "Popular" badge.

Part numbers include CLOYES 94216, MELLING 1026 and CLOYES C924, among others listed above.

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

9 Timing Chain & Component Kit parts for the 2020 Toyota 4RUNNER come from 6 brands — PREFERRED COMPONENTS INC, CLOYES, MELLING and 3 other brands. The "Popular" part is CLOYES 90924S.

The Economy section: 3 options from PREFERRED COMPONENTS INC and GATES. GATES CHK131 is listed in this group.

Standard Replacement: 6 parts, from CLOYES, MELLING, ENGINETECH and 1 other brand. A representative part number is CLOYES 90924S.

This group includes CLOYES 90924S, GATES CHK131 and PREFERRED COMPONENTS INC TS22178 and the remaining parts above.

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

9 Timing Chain Guide / Damper parts are listed for the 2020 Toyota 4RUNNER, from MELLING, CLOYES and PREFERRED COMPONENTS INC. MELLING BG5971 carries the "Popular" badge.

Listed part numbers: MELLING BG5971, MELLING BG5970 and CLOYES 95971, plus the other parts 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

9 Timing Chain Tensioner parts for the 2020 Toyota 4RUNNER come from 3 brands — MELLING, CLOYES and PREFERRED COMPONENTS INC. The "Popular" part is MELLING BT5077.

Listed part numbers: MELLING BT5077, MELLING BT5078 and CLOYES 95579, plus the other 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

2 Timing Cover Seal parts for the 2020 Toyota 4RUNNER come from 2 brands — SKF and WJB / INMOTION PARTS.

Part numbers include SKF 16540A and WJB / INMOTION PARTS WS16540A.

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

4 Timing Crank Sprocket parts for the 2020 Toyota 4RUNNER come from 4 brands — CLOYES, FVP, MELLING and 1 other brand.

Part numbers include CLOYES S941 and MELLING S1261, among others listed above.

This table covers the Timing Idler sprockets. Read more

4 Timing Idler Sprocket parts are listed for the 2020 Toyota 4RUNNER, from CLOYES, FVP, MELLING and 1 other brand.

Part numbers include CLOYES S942T and MELLING S1290, among others listed above.

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 for the 2020 Toyota 4RUNNER come from 5 brands — BECK/ARNLEY, VICTOR REINZ, APEX and 2 other brands. The "Popular" part is APEX AVC886S.

Part numbers include APEX AVC886S, FEL-PRO VS50826R and BECK/ARNLEY 0361892, among others listed above.

This table covers the Valve Cover grommets. Read more

This group shows a single part: BECK/ARNLEY 0396605.

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

6 Valve Guide parts for the 2020 Toyota 4RUNNER come from 3 brands — SBI, ENGINETECH and TOPLINE. The "Popular" part is SBI 1403135.

Listed part numbers: SBI 1403135, SBI 1403134 and ENGINETECH GD3181, plus the other parts above.

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

3 Valve Lifter parts for the 2020 Toyota 4RUNNER come from 3 brands — AJUSA, SEALED POWER and TOPLINE.

Part numbers include AJUSA 85010900, SEALED POWER HT2307 and TOPLINE A2319.

This table covers the Valve seats. Read more

SBI supplies both parts for the 2020 Toyota 4RUNNER.

Listed part numbers: SBI SB1288E1 and SBI SB1527E1.

This table covers the Valve Spring retainers. Read more

One part is listed for the 2020 Toyota 4RUNNER — MELLING VSR727.

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 2020 Toyota 4RUNNER, from MELLING and SBI.

This group includes MELLING VL1100 and SBI 1211100.

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

10 Valve Stem Seal parts for the 2020 Toyota 4RUNNER come from 7 brands — ENGINETECH, MAHLE / CLEVITE, SBI and 4 other brands. The "Popular" part is ENGINETECH S9251.