2019 Toyota Sienna 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 are listed for the 2019 Toyota Sienna, from KING ENGINE BEARINGS, ENGINETECH and TOPLINE.

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

2 Conversion / Lower Gasket Set parts are listed for the 2019 Toyota Sienna, from AJUSA and TOPLINE.

Part numbers include AJUSA 54318100 and TOPLINE CBSTO49L.

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

3 Crankshaft Main Bearing parts for the 2019 Toyota Sienna come from 2 brands — TOPLINE and MAHLE / CLEVITE.

Part numbers include MAHLE / CLEVITE MS2357A, TOPLINE MBTO49 and TOPLINE TWTO49.

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

3 Crankshaft Repair Sleeve parts for the 2019 Toyota Sienna come from 3 brands — BCA, NATIONAL and WJB / INMOTION PARTS.

Part numbers include BCA NS99166, NATIONAL 99166 and WJB / INMOTION PARTS WS99166.

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

14 Crankshaft Seal parts for the 2019 Toyota Sienna come from 9 brands — FEL-PRO, NATIONAL, WJB / INMOTION PARTS and 6 other brands. The "Popular" part is FEL-PRO BS40701.

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

3 Cylinder Head Bolt parts are listed for the 2019 Toyota Sienna, from APEX, FEL-PRO and TOPLINE.

Listed part numbers: APEX AHB871, FEL-PRO ES72249 and TOPLINE HBTO47.

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

9 Cylinder Head Gasket parts are listed for the 2019 Toyota Sienna, from AJUSA, APEX, FEL-PRO and 1 other brand. APEX AHG890L carries the "Popular" badge.

This group includes APEX AHG890L, APEX AHG890R and AJUSA 10237100 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

3 Cylinder Head Gasket Set parts are listed for the 2019 Toyota Sienna, from AJUSA, MAHLE / CLEVITE and TOPLINE.

Part numbers include AJUSA 52528100, MAHLE / CLEVITE HS55518 and TOPLINE HSTO49L.

This table covers the Engine covers. Read more

5 Engine Cover parts are listed for the 2019 Toyota Sienna, from TECHPRO and VARIOUS MFR. TECHPRO TO1228174 carries the "Popular" badge.

Part numbers include TECHPRO TO1228174, TECHPRO LX1228131 and TECHPRO LX1228166, among others listed 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

2 Engine Kit Gasket Set parts are listed for the 2019 Toyota Sienna, from AJUSA and TOPLINE.

Part numbers include AJUSA 50542400 and TOPLINE CGSTO49L.

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

3 Exhaust Valve parts for the 2019 Toyota Sienna come from 3 brands — MELLING, SBI and TOPLINE.

Listed part numbers: MELLING V3087, SBI 13087 and TOPLINE EVTO49.

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

2 Harmonic Balancer parts are listed for the 2019 Toyota Sienna, from ATP and PIONEER.

This group includes ATP 102031 and PIONEER DA2031.

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

3 Intake Manifold Gasket parts are listed for the 2019 Toyota Sienna, from AJUSA, FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: AJUSA 13255600, FEL-PRO MS97437 and MAHLE / CLEVITE MS20626.

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 2019 Toyota Sienna come from 2 brands — AJUSA and MAHLE / CLEVITE.

This group includes 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

4 Intake Valve parts for the 2019 Toyota Sienna come from 4 brands — MELLING, QUALCAST, SBI and 1 other brand.

This group includes MELLING V3086, QUALCAST 1013086 and SBI 13086 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

10 Motor Mount parts for the 2019 Toyota Sienna come from 6 brands — ANCHOR, WESTAR, SKP and 3 other brands. The "Popular" part is ANCHOR 9591.

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SKM9238 is listed in this group.

In the Standard Replacement grade, ANCHOR, WESTAR, BECK/ARNLEY and 2 other brands supply 9 parts: built to original-equipment specification. A representative part number is ANCHOR 9591.

This table covers the Motor Mount kits. Read more

2 Motor Mount Kit parts for the 2019 Toyota Sienna come from ANCHOR.

Listed part numbers: ANCHOR 300430 and ANCHOR 300428.

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

29 Oil parts for the 2019 Toyota Sienna 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 22 parts from LIQUI MOLY, VALVOLINE, PENTOSIN 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 2019 Toyota Sienna come from 2 brands — ACKOJA and NISSENS.

Listed part numbers: ACKOJA A70600029 and NISSENS 91378.

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 2019 Toyota Sienna — MAHLE / CLEVITE B33839.

This table covers the Oil Cooler Hose pipes. Read more

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

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

6 Oil Cooler Line parts for the 2019 Toyota Sienna come from 5 brands — DORMAN, AUTOTECNICA, SKP and 2 other brands. The "Popular" part is DORMAN 625519.

Part numbers include DORMAN 625519, AUTOTECNICA TY1418804 and DORMAN 625022, among others listed above.

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

4 Oil Drain Plug parts for the 2019 Toyota Sienna come from 4 brands — AGS, BECK/ARNLEY, DORMAN and 1 other brand.

Listed part numbers: AGS ODP00011, BECK/ARNLEY 0160116 and DORMAN 090049, 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 2019 Toyota Sienna, from DORMAN, APEX, FEL-PRO and 2 other brands. DORMAN 095156 carries the "Popular" badge.

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 2019 Toyota Sienna come from 3 brands — CALORSTAT, GATES and MOTORAD.

Part numbers include 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 2019 Toyota Sienna — 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

16 Oil Filter parts for the 2019 Toyota Sienna come from 14 brands — VARIOUS MFR, WIX, PRO-TEC and 11 other brands. The "Popular" part is PRO-TEC PXL57047.

The Economy section: 6 options from PRO-TEC, BOSCH, FRAM and 3 other brands. PRO-TEC PXL57047 is listed in this group.

The High Performance / Heavy Duty section lists 2 options from WIX and MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. WIX 57047XP is listed in this group.

Standard Replacement: 8 parts, from ACDELCO, WIX, BECK/ARNLEY and 5 other brands. A representative part number is ACDELCO PF2259.

This table covers the Oil Filter covers. Read more

6 Oil Filter Cover parts are listed for the 2019 Toyota Sienna, from MOTORAD, DORMAN, SKP and 2 other brands. DORMAN 917016 carries the "Popular" badge.

This group includes DORMAN 917016, SKP SK917016 and AUTOTECNICA TY1420831 and the remaining parts above.

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

3 Oil Pan parts are listed for the 2019 Toyota Sienna, from ACKOJA and DORMAN.

This group includes ACKOJA A700991, ACKOJA A700989 and DORMAN 266003.

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 2019 Toyota Sienna come from 2 brands — AUTOTECNICA and VICTOR REINZ.

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

This group shows a single part: MELLING M581.

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

One part is listed for the 2019 Toyota Sienna — 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

One part is listed for the 2019 Toyota Sienna — 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

7 Timing Chain parts are listed for the 2019 Toyota Sienna, from CLOYES, MELLING, S.A. GEAR and 1 other brand. CLOYES 94216 carries the "Popular" badge.

Listed part numbers: CLOYES 94216, MELLING 1026 and CLOYES C953, plus the other parts above.

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

5 Timing Chain & Component Kit parts for the 2019 Toyota Sienna come from 3 brands — S.A. GEAR, CLOYES and MELLING. 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.

Listed part numbers: CLOYES 90953S, S.A. GEAR 76416S and S.A. GEAR 76416, plus the other 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 2019 Toyota Sienna, from CLOYES, MELLING and S.A. GEAR. CLOYES 96046 carries the "Popular" badge.

Part numbers include CLOYES 96046, CLOYES 96050 and CLOYES 96049, 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

9 Timing Chain Tensioner parts for the 2019 Toyota Sienna come from 3 brands — S.A. GEAR, CLOYES and MELLING. The "Popular" part is S.A. GEAR 91356.

Listed part numbers: S.A. GEAR 91356, S.A. GEAR 91358 and CLOYES 96047, plus the other parts above.

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

2 Timing Crank Sprocket parts for the 2019 Toyota Sienna come from 2 brands — CLOYES and S.A. GEAR.

Part numbers include CLOYES S1403 and S.A. GEAR S1524.

This table covers the Timing Idler sprockets. Read more

2 Timing Idler Sprocket parts are listed for the 2019 Toyota Sienna, from CLOYES and S.A. GEAR.

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

This table covers the Torque Strut mounts. 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

8 Torque Strut Mount parts are listed for the 2019 Toyota Sienna, from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand. ANCHOR 9822 carries the "Popular" badge.

This group includes ANCHOR 9822, DEA / MARMON RIDE CONTROL A42092 and ANCHOR 10075 and the remaining parts above.

This table covers the Valve covers. Read more

5 Valve Cover parts are listed for the 2019 Toyota Sienna, from APEX, DORMAN, AUTOTECNICA and 1 other brand. DORMAN 264498 carries the "Popular" badge.

This group includes DORMAN 264498, APEX VCS890R and APEX VCS843L and the remaining parts 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

6 Valve Cover Gasket parts for the 2019 Toyota Sienna come from 2 brands — VICTOR REINZ and BECK/ARNLEY. The "Popular" part is BECK/ARNLEY 0362110.

This group includes BECK/ARNLEY 0362110, BECK/ARNLEY 0362111 and VICTOR REINZ 712047400 and the remaining 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

4 Valve Guide parts for the 2019 Toyota Sienna come from 2 brands — SBI and TOPLINE.

Listed part numbers: SBI 1403135, SBI 1403218 and TOPLINE EVGTO55, plus the other parts above.

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

2 Valve Lifter parts for the 2019 Toyota Sienna come from 2 brands — AJUSA and TOPLINE.

Listed part numbers: AJUSA 85010900 and TOPLINE A2319.

This table covers the Valve seats. Read more

SBI supplies both parts for the 2019 Toyota Sienna.

Part numbers include SBI SB1288E1 and SBI SB1527E1.

This table covers the springs that close each intake and exhaust valve. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats. Read more

One part is listed for the 2019 Toyota Sienna — MELLING VS2506.

This table covers the Valve Spring retainers. Read more

One part is listed for the 2019 Toyota Sienna — MELLING VSR726.

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 2019 Toyota Sienna, 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

5 Valve Stem Seal parts for the 2019 Toyota Sienna come from 4 brands — SBI, FEL-PRO, APEX and 1 other brand. The "Popular" part is FEL-PRO SS728783.

This group includes FEL-PRO SS728783, APEX AVS8048 and SBI 1221266 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 for the 2019 Toyota Sienna come from 3 brands — STANDARD MOTOR PRODUCTS, WELLS and ACKOJA.

The Economy section: 1 option from WELLS. WELLS 2T1307 is listed in this group.

Standard Replacement: 3 parts, from STANDARD MOTOR PRODUCTS and ACKOJA. A representative part number is ACKOJA A701037.

Part numbers include WELLS 2T1307, ACKOJA A701037 and STANDARD MOTOR PRODUCTS VVT379, among others listed above.

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

7 Variable Valve Timing (VVT) Sprocket parts for the 2019 Toyota Sienna come from 3 brands — ACKOJA, STANDARD MOTOR PRODUCTS and WELLS. The "Popular" part is STANDARD MOTOR PRODUCTS VVT653.

Part numbers include STANDARD MOTOR PRODUCTS VVT653, STANDARD MOTOR PRODUCTS VVT651 and ACKOJA A701008, among others listed above.