This page lists 50 engine parts for the 2026 Lexus TX550H+, across 10 part types, covering the 3.5L V6 ELECTRIC/GAS engine. Every part shows its brand, manufacturer part number and fitment notes.
The engine on the 2026 Lexus TX550H+ covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. The largest groups are Oil (25 parts), Oil Filter (10 parts) and Oil Filter Cover (3 parts). The other 7 part types cover the remaining 12 parts.
The 2026 Lexus TX550H+ came with a single engine, the 3.5L V6 ELECTRIC/GAS, and every part is verified against it.
16 brands supply engine parts for the 2026 Lexus TX550H+, led by VALVOLINE (10 parts), MELLING (9 parts) and MOBIL (8 parts), plus 13 more brands. Quality grades include Economy, Standard Replacement and High Performance / Heavy Duty.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2026 Lexus TX550H+. 7 parts have it, including LIQUI MOLY 2208 (Oil) and WIX 57047XP (Oil Filter). Each part number opens a page with every vehicle that part fits.
Oil
Summary: Notes list SAE 0W-20. Confirm the weight on the filler cap before you buy. Replacement brands in this table include VALVOLINE, MOBIL and LIQUI MOLY.
Full Synthetic
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LIQUI MOLY Popular | 2208 | 🇺🇸 US | Special Tec AA 0W-205 Liter | View on Amazon |
| LIQUI MOLY Popular | 20438 | 🇺🇸 US | Molygen New Generation 0W-205 Liter | View on Amazon |
| MOBIL Popular | 124184 | 🇺🇸 US | 0W-20Mobil 1 Advanced Fuel Economy | View on Amazon |
| MOBIL Popular | 125197 | 🇺🇸 US | Full Synthetic 0W-20Mobil Full Synthetic | View on Amazon |
| VALVOLINE Popular | VV916 | 🇺🇸 US | Advanced Protection Full Synthetic SAE 0W-201 Quart | View on Amazon |
| LIQUI MOLY | 2207 | 🇺🇸 US | Special TEC AA 0W-201 Liter | View on Amazon |
| LIQUI MOLY | 20436 | 🇺🇸 US | Molygen New Generation 0W-201 Liter | View on Amazon |
| MOBIL | 120926 | 🇺🇸 US | Extended Performance 0W-20Mobil 1 Extended Performance | View on Amazon |
| MOBIL | 124592 | 🇺🇸 US | Truck & SUV 0W-20Mobil 1 Truck & SUV | View on Amazon |
| PENTOSIN | 8044210 | 🇺🇸 US | 0W-20-Pentospeed-DEXOS1 GEN31 Liter | View on Amazon |
| PENTOSIN | 8044317 | 🇺🇸 US | Pento Speed FESAE 0W-20 | View on Amazon |
| PENTOSIN | 8044212 | 🇺🇸 US | 0W-20-Pentospeed-DEXOS1 GEN35 Liters | View on Amazon |
| PENTOSIN | 8044319 | 🇺🇸 US | Pento Speed FESAE 0W-20 | View on Amazon |
| VALVOLINE | 891682 | 🇺🇸 US | Extended Protection Full Synthetic SAE 0W-201 Quart | View on Amazon |
| VALVOLINE | 904536 | 🇺🇸 US | Restore & Protect Full Synthetic SAE 0W-201 Quart | View on Amazon |
| VALVOLINE | 904538 | 🇺🇸 US | Restore & Protect Full Synthetic SAE 0W-205 Quart | View on Amazon |
| VALVOLINE | 881150 | 🇺🇸 US | Advanced Protection Full Synthetic SAE 0W-20Easy Pour 5 Quart | View on Amazon |
| VALVOLINE | 898664 | 🇺🇸 US | Hybrid Vehicle Full Synthetic SAE 0W-205 Quart | View on Amazon |
High Mileage (>75,000 Miles)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL | 125203 | 🇺🇸 US | Full Synthetic High Mileage 0W-20Mobil Full Synthetic | View on Amazon |
| MOBIL | 122535 | 🇺🇸 US | High Mileage 0W-20Mobil 1 High Mileage | View on Amazon |
| MOBIL | 123836 | 🇺🇸 US | Extended Performance High Mileage 0W-20Extended Performance High Mileage Synthetic Motor Oil 0W-20, 1 Quart | View on Amazon |
| VALVOLINE | 833002 | 🇺🇸 US | Max Life High Mileage SAE 0W-201 Quart | View on Amazon |
| VALVOLINE | 852400 | 🇺🇸 US | Full Synthetic High Mileage with Max Life Technology SAE 0W-201 Quart | View on Amazon |
| VALVOLINE | 881149 | 🇺🇸 US | Max Life High Mileage SAE 0W-20Easy Pour 5 Quart | View on Amazon |
| VALVOLINE | 881168 | 🇺🇸 US | Full Synthetic High Mileage with Max Life Technology SAE 0W-20Easy Pour 5 Quart | View on Amazon |
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.
25 Oil parts for the 2026 Lexus TX550H+ come from 4 brands — VALVOLINE, MOBIL, LIQUI MOLY and 1 other brand. The "Popular" part is LIQUI MOLY 2208.
The Full Synthetic section lists 18 options from VALVOLINE, LIQUI MOLY, MOBIL and 1 other brand — full-synthetic oils. LIQUI MOLY 2208 is listed in this group.
In the High Mileage (>75,000 Miles) grade, VALVOLINE and MOBIL supply 7 parts: oils grouped for high-mileage engines. A representative part number is MOBIL 125203.
Oil Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS | 91378 | 🇺🇸 US | View on Amazon |
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.
This group shows a single part: NISSENS 91378.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | HWU0112 | 🇺🇸 US | View on Amazon |
This table covers the drain plugs in the oil pan.
This group shows a single part: REIN HWU0112.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | MO155 | 🇺🇸 US | Material: Plastic, Rubber | View on Amazon |
This table covers the caps on the oil filler neck.
This group shows a single part: MOTORAD MO155.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 72236WS | 🇺🇸 US | Workshop Oil Filter | View on Amazon |
| FVP | G7047 | 🇺🇸 US | Cartridge Filter | View on Amazon |
| PRO-TEC | PXL57047 | 🇺🇸 US | Cartridge Type | View on Amazon |
| VARIOUS MFR | PG5608 | 🇺🇸 US | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WIX Popular | 57047XP | 🇺🇸 US | XP Extreme DutyCartridge Filter | View on Amazon |
| MOBIL | M1C251A | 🇺🇸 US | Extended Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WIX Popular | 57047 | 🇺🇸 US | Cartridge FilterCartridge Lube Metal Free Filter | View on Amazon |
| ACDELCO | PF2259 | 🇺🇸 US 🇨🇦 CA | Gold / Professional | View on Amazon |
| BECK/ARNLEY | 0418190 | 🇺🇸 US | View on Amazon | |
| VARIOUS MFR | PG5608EX | 🇺🇸 US | Extended Life | View on Amazon |
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.
10 Oil Filter parts for the 2026 Lexus TX550H+ come from 8 brands — VARIOUS MFR, WIX, BOSCH and 5 other brands. The "Popular" part is WIX 57047XP.
The Economy section lists 4 options from BOSCH, FVP, PRO-TEC and 1 other brand — the catalog's value-priced group. BOSCH 72236WS 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.
In the Standard Replacement grade, WIX, ACDELCO, BECK/ARNLEY and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is WIX 57047.
Oil Filter Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | MO300 | 🇺🇸 US | Includes 60mm Cartridge Tube | View on Amazon |
| MOTORAD | MO303KT | 🇺🇸 US | Includes 3 Cartridge TubesKit | View on Amazon |
| SKP | SK917016 | 🇺🇸 US | Oil Filter Cover, replaces Plastic with upgraded precision machined aluminum | View on Amazon |
This table covers the Oil Filter covers.
3 Oil Filter Cover parts are listed for the 2026 Lexus TX550H+, from MOTORAD and SKP.
Listed part numbers: MOTORAD MO300, MOTORAD MO303KT and SKP SK917016.
Timing Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING | 1026 | 🇺🇸 US | Secondary Timing Chain | View on Amazon |
| MELLING | 953 | 🇺🇸 US | Primary Chain | View on Amazon |
This table covers the timing chains that keep the cams in time with the crank.
MELLING supplies both parts for the 2026 Lexus TX550H+.
Listed part numbers: MELLING 1026 and MELLING 953.
Timing Chain & Component Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING | 3953SX | 🇺🇸 US | Does Not Include Sprockets | View on Amazon |
This table covers kits that group a timing chain with the related tensioners and guides.
This group shows a single part: MELLING 3953SX.
Timing Chain Guide / Damper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING | BG6046 | 🇺🇸 US | Upper | View on Amazon |
| MELLING | BT6049 | 🇺🇸 US | Tensioner Arm | View on Amazon |
| MELLING | BG6050 | 🇺🇸 US | Lower | View on Amazon |
This table covers the guides and dampers that keep the timing chain on its path.
MELLING supplies the 3 Timing Chain Guide / Damper parts for the 2026 Lexus TX550H+.
Part numbers include MELLING BG6046, MELLING BT6049 and MELLING BG6050.
Timing Chain Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING | BT6048 | 🇺🇸 US | LeftSecondary | View on Amazon |
| MELLING | BT6047 | 🇺🇸 US | RightSecondary | View on Amazon |
| MELLING | BT6051 | 🇺🇸 US | PRIMARY | View on Amazon |
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.
3 Timing Chain Tensioner parts for the 2026 Lexus TX550H+ come from MELLING.
Part numbers include MELLING BT6048, MELLING BT6047 and MELLING BT6051.
Buying Engine Parts for a 2026 Lexus TX550H+
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Confirm you have the 3.5L V6 ELECTRIC/GAS engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil and Oil Filter .
Frequently Asked Questions
How many engine parts fit the 2026 Lexus TX550H+?
Our catalog currently lists 50 engine parts for the 2026 Lexus TX550H+ across 10 subcategories and 16 brands, covering the 3.5L V6 ELECTRIC/GAS engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2026 Lexus TX550H+?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 2026 Lexus TX550H+?
Oil rows on this page include SAE 0W-20. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2026 Lexus TX550H+ was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2026 Lexus TX550H+?
Every part on this page is matched to the 3.5L V6 ELECTRIC/GAS engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2026 Lexus TX550H+
Engine Parts for Other Lexus TX550H+ Years
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