2021 Toyota Tacoma Engine Parts

This table covers the chains that drive the balance shafts. Read more

3 Balance Shaft Chain parts are listed for the 2021 Toyota Tacoma, from MELLING and PREFERRED COMPONENTS INC.

The Chain Only section lists 2 options from MELLING and PREFERRED COMPONENTS INC — grouped under the catalog's "Chain Only" designation — the notes column spells out what sets them apart. MELLING 8MMSRH82 is listed in this group.

In the Kit grade, MELLING supplies 1 part: grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. A representative part number is MELLING 38MMSRH82SX.

This group includes MELLING 8MMSRH82, PREFERRED COMPONENTS INC C11131 and MELLING 38MMSRH82SX.

This table covers the guides that keep the balance-shaft chain on its path. Read more

4 Balance Shaft Chain Guide parts are listed for the 2021 Toyota Tacoma, from MELLING and PREFERRED COMPONENTS INC.

Listed part numbers: MELLING BG5612, MELLING BG5613 and MELLING BD362, plus the other parts above.

This table covers the Balance Shaft 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 Balance Shaft Chain Tensioner parts for the 2021 Toyota Tacoma come from 2 brands — MELLING and PREFERRED COMPONENTS INC.

This group includes MELLING BT358 and PREFERRED COMPONENTS INC T66006.

This table covers the Balance Shaft sprockets. Read more

One part is listed for the 2021 Toyota Tacoma — PREFERRED COMPONENTS INC G57201.

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

One part is listed for the 2021 Toyota Tacoma — TOPLINE CRTO48.

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 2021 Toyota Tacoma, from KING ENGINE BEARINGS, TOPLINE and ENGINETECH.

Part numbers include ENGINETECH BB1035, KING ENGINE BEARINGS CR6873SM and KING ENGINE BEARINGS CR6873MC, 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

4 Conversion / Lower Gasket Set parts are listed for the 2021 Toyota Tacoma, from AJUSA and TOPLINE.

This group includes AJUSA 54318500, AJUSA 54318100 and TOPLINE CBSTO48 and the remaining parts above.

This table covers the crankshafts that turn piston motion into rotation. Read more

One part is listed for the 2021 Toyota Tacoma — TOPLINE CSTO48.

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 2021 Toyota Tacoma come from TOPLINE.

Part numbers include TOPLINE TWTO48, TOPLINE MBTO48 and TOPLINE MBTO49, among others listed 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

8 Crankshaft Seal parts for the 2021 Toyota Tacoma come from 4 brands — AJUSA, VICTOR REINZ, FEL-PRO and 1 other brand. The "Popular" part is VICTOR REINZ 815334410.

Listed part numbers: VICTOR REINZ 815334410, AJUSA 15049500 and AJUSA 15049400, plus the other parts above.

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

4 Cylinder Head Bolt parts are listed for the 2021 Toyota Tacoma, from TOPLINE, AJUSA and BECK/ARNLEY.

Listed part numbers: AJUSA 81013400, BECK/ARNLEY 0161020 and TOPLINE HBTO38, plus the other 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

14 Cylinder Head Gasket parts are listed for the 2021 Toyota Tacoma, from AJUSA, APEX, FEL-PRO and 3 other brands. APEX AHG875 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 2021 Toyota Tacoma, from AJUSA, TOPLINE, MAHLE / CLEVITE and 1 other brand.

Listed part numbers: AJUSA 52659900, AJUSA 52528100 and MAHLE / CLEVITE HS55518, plus the other parts above.

This table covers the Engine covers. Read more

3 Engine Cover parts are listed for the 2021 Toyota Tacoma, from TECHPRO and VARIOUS MFR. All of them fit every engine offered in the 2021 Tacoma.

Listed part numbers: TECHPRO TO1228241 and TECHPRO TO1228242, 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

5 Engine Kit Gasket Set parts are listed for the 2021 Toyota Tacoma, from AJUSA, TOPLINE and VICTOR REINZ.

This group includes AJUSA 50587100, AJUSA 50542400 and TOPLINE CGSTO48 and the remaining parts 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 2021 Toyota Tacoma come from 3 brands — SBI, TOPLINE and MELLING.

Part numbers include MELLING V3087, SBI 13209 and SBI 13087, among others listed above.

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

2 Harmonic Balancer parts are listed for the 2021 Toyota Tacoma, from DAYCO and ULTRA-POWER.

This group includes DAYCO PB1654N and ULTRA-POWER 594365.

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 2021 Toyota Tacoma, from AJUSA, FEL-PRO and MAHLE / CLEVITE.

This group includes AJUSA 13213700, AJUSA 13255600 and FEL-PRO MS96924 and the remaining 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

2 Intake Plenum Gasket parts for the 2021 Toyota Tacoma come from 2 brands — AJUSA and MAHLE / CLEVITE.

Listed part numbers: AJUSA 01645000 and MAHLE / CLEVITE MS20627.

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

5 Intake Valve parts for the 2021 Toyota Tacoma come from 4 brands — TOPLINE, MELLING, QUALCAST 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

9 Motor Mount parts for the 2021 Toyota Tacoma come from 5 brands — ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 2 other brands. The "Popular" part is SKP SKM8162.

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SKM8162 is listed in this group.

In the Standard Replacement grade, ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is ANCHOR 8162.

4 further parts sit outside the graded sections, with the same engine-level match.

This group includes SKP SKM8162, ANCHOR 8162 and DEA / MARMON RIDE CONTROL A42091 and the remaining parts above.

This table covers the Motor Mount kits. Read more

2 Motor Mount Kit parts for the 2021 Toyota Tacoma come from ANCHOR.

Listed part numbers: ANCHOR 300392 and ANCHOR 300391.

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 2021 Toyota Tacoma come from 5 brands — VALVOLINE, LIQUI MOLY, MOBIL and 2 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

2 Oil Cooler parts for the 2021 Toyota Tacoma come from 2 brands — ACKOJA and NISSENS.

Part numbers include ACKOJA A70600018 and NISSENS 91453.

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

5 Oil Drain Plug parts for the 2021 Toyota Tacoma come from 4 brands — DORMAN, ACKOJA, BECK/ARNLEY and 1 other brand. The "Popular" part is DORMAN 090038. 3 parts fit every engine; the other 2 are engine-specific.

Listed part numbers: DORMAN 090038, ACKOJA A700114 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 2021 Toyota Tacoma, from DORMAN, APEX, FEL-PRO and 2 other brands. DORMAN 095156 carries the "Popular" badge. All of them fit every engine offered in the 2021 Tacoma.

Listed part numbers: DORMAN 095156, APEX ADP1902 and FEL-PRO 70822, 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 Toyota Tacoma come from 3 brands — CALORSTAT, GATES and MOTORAD. Every part fits both the 2.7L L4 and the 3.5L V6.

This group includes CALORSTAT OC2312, GATES 31285 and MOTORAD MO155.

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

35 Oil Filter parts for the 2021 Toyota Tacoma come from 16 brands — VARIOUS MFR, WIX, BOSCH and 13 other brands. The "Popular" part is PRO-TEC PXL57047. Economy, High Performance / Heavy Duty and Standard Replacement are all represented, and Standard Replacement alone accounts for 19 parts.

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 2021 Toyota Tacoma — MAHLE / CLEVITE B33838.

This table covers the Oil Filter covers. Read more

5 Oil Filter Cover parts are listed for the 2021 Toyota Tacoma, from MOTORAD, DORMAN, BECK/ARNLEY and 1 other brand. DORMAN 917016 carries the "Popular" badge.

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

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

2 Oil Pan parts are listed for the 2021 Toyota Tacoma, from ACKOJA and SPECTRA PREMIUM.

This group includes ACKOJA A700678 and SPECTRA PREMIUM TOP39A.

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 2021 Toyota Tacoma come from 5 brands — APEX, AUTOTECNICA, FEL-PRO and 2 other brands. 1 part fits every engine; the other 4 are engine-specific.

This group includes APEX AOP875, AUTOTECNICA TY1415891 and FEL-PRO OS30784 and the remaining 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

3 Oil Pump parts for the 2021 Toyota Tacoma come from 3 brands — MELLING, SEALED POWER and TOPLINE.

Listed part numbers: MELLING M582, SEALED POWER 22443709 and TOPLINE OPTO48LK.

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 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 2021 Toyota Tacoma.

This group includes TOPLINE PATO48L 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 2021 Toyota Tacoma.

This group includes TOPLINE RSTO48 and TOPLINE RSTO49.

This table covers the Thrust washers. Read more

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

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

9 Timing Chain parts are listed for the 2021 Toyota Tacoma, from MELLING, CLOYES, PREFERRED COMPONENTS INC and 1 other brand. CLOYES 94216 carries the "Popular" badge.

This group includes CLOYES 94216, MELLING 1026 and CLOYES C953 and the remaining parts 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 2021 Toyota Tacoma come from 5 brands — S.A. GEAR, CLOYES, MELLING and 2 other brands. The "Popular" part is CLOYES 90953S.

The Economy section: 2 options from S.A. GEAR. S.A. GEAR 76416S is listed in this group.

Standard Replacement: 3 parts, from CLOYES and MELLING. A representative part number is CLOYES 90953S.

4 further parts sit outside the graded sections, with the same engine-level match.

Part numbers include CLOYES 90953S, S.A. GEAR 76416S and S.A. GEAR 76416, among others listed above.

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

12 Timing Chain Guide / Damper parts are listed for the 2021 Toyota Tacoma, from MELLING, CLOYES and S.A. GEAR. CLOYES 96046 carries the "Popular" badge.

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

10 Timing Chain Tensioner parts for the 2021 Toyota Tacoma come from 3 brands — MELLING, S.A. GEAR and CLOYES. The "Popular" part is S.A. GEAR 91356.

This table covers the Timing covers. Read more

One part is listed for the 2021 Toyota Tacoma — TOPLINE TCTO48L.

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

3 Timing Crank Sprocket parts for the 2021 Toyota Tacoma come from 3 brands — CLOYES, MELLING and S.A. GEAR.

Part numbers include CLOYES S1403, MELLING S957 and S.A. GEAR S1524.

This table covers the Timing Idler sprockets. Read more

2 Timing Idler Sprocket parts are listed for the 2021 Toyota Tacoma, from CLOYES and S.A. GEAR.

This group includes CLOYES S1402 and S.A. GEAR S1477.

This table covers the Valve covers. Read more

6 Valve Cover parts are listed for the 2021 Toyota Tacoma, from APEX, DORMAN, AUTOTECNICA and 1 other brand. DORMAN 264499 carries the "Popular" badge.

Part numbers include DORMAN 264499, APEX VCS841 and APEX VCS890R, among others listed above.