2025 Lexus TX550H+ Engine Parts

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

2 Cylinder Head Gasket parts for the 2025 Lexus TX550H+ come from FEL-PRO.

Listed part numbers: FEL-PRO 26869PT and FEL-PRO 26877PT.

This table covers the Engine covers. Read more

This group shows a single part: TECHPRO LX1228184.

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

This group shows a single part: FEL-PRO MS97437.

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

25 Oil parts are listed for the 2025 Lexus TX550H+, from VALVOLINE, MOBIL, LIQUI MOLY and 1 other brand. LIQUI MOLY 2208 carries the "Popular" badge.

In the Full Synthetic grade, VALVOLINE, LIQUI MOLY, MOBIL and 1 other brand supply 18 parts: full-synthetic oils. A representative part number is LIQUI MOLY 2208.

The High Mileage (>75,000 Miles) section lists 7 options from VALVOLINE and MOBIL — oils grouped for high-mileage engines. MOBIL 125203 is listed in this group.

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

One part is listed for the 2025 Lexus TX550H+ — NISSENS 91378.

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

3 Oil Drain Plug parts are listed for the 2025 Lexus TX550H+, from DORMAN and REIN.

Part numbers include DORMAN 090038, DORMAN 090049 and REIN HWU0112.

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

2 Oil Filler Cap parts are listed for the 2025 Lexus TX550H+, from CALORSTAT and MOTORAD.

This group includes CALORSTAT OC2312 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

13 Oil Filter parts are listed for the 2025 Lexus TX550H+, from VARIOUS MFR, WIX, PRO-TEC and 8 other brands. PRO-TEC PXL57047 carries the "Popular" badge.

In the Economy grade, PRO-TEC, BOSCH, FRAM and 3 other brands supply 6 parts: the catalog's value-priced group. A representative part number is PRO-TEC PXL57047.

In the High Performance / Heavy Duty grade, WIX and MOBIL 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 WIX 57047XP.

The Standard Replacement section lists 5 options from WIX, ACDELCO, BECK/ARNLEY and 2 other brands — built to original-equipment specification. WIX 57047 is listed in this group.

This table covers the Oil Filter covers. Read more

3 Oil Filter Cover parts for the 2025 Lexus TX550H+ come from 2 brands — MOTORAD and SKP.

Listed part numbers: MOTORAD MO300, MOTORAD MO303KT and SKP SK917016.

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 2025 Lexus TX550H+ — AUTOTECNICA TY1415891.

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

One part is listed for the 2025 Lexus TX550H+ — MELLING M581.

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

2 Timing Chain parts for the 2025 Lexus TX550H+ come from MELLING.

This group includes MELLING 1026 and MELLING 953.

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

One part is listed for the 2025 Lexus TX550H+ — MELLING 3953SX.

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

3 Timing Chain Guide / Damper parts for the 2025 Lexus TX550H+ come from MELLING.

Part numbers include MELLING BG6046, MELLING BT6049 and MELLING BG6050.

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

MELLING supplies the 3 Timing Chain Tensioner parts for the 2025 Lexus TX550H+.

This group includes MELLING BT6048, MELLING BT6047 and MELLING BT6051.

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

One part is listed for the 2025 Lexus TX550H+ — WELLS 2T1307.