The 2025 Toyota Prius has 56 engine parts with verified fitment on this page — 17 part types and 27 brands, covering both the 1.8L L4 ELECTRIC/GAS and the 2.0L L4 ELECTRIC/GAS. Each part includes a manufacturer part number and application notes.
On the 2025 Toyota Prius, 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. 32 parts of the 56 listed are Oil Filter (17 parts), Oil (12 parts) and Engine Cover (3 parts). The other 14 part types cover the remaining 24 parts.
The 2025 Toyota Prius was sold with both the 1.8L L4 ELECTRIC/GAS and the 2.0L L4 ELECTRIC/GAS. 7 parts fit every engine; the other 49 are engine-specific. Each part shows which engine(s) it fits.
27 brands supply engine parts for the 2025 Toyota Prius, led by MELLING (10 parts), TECHPRO (3 parts) and LIQUI MOLY (3 parts), plus 24 more brands. Quality grades include Standard Replacement, Economy and High Performance / Heavy Duty.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2025 Toyota Prius. 7 parts have it, including LIQUI MOLY 20328 (Oil) and MOBIL M1103A (Oil Filter). Each part number opens a page with every vehicle that part fits.
Engine Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO Fits: all 2025 Prius engines | TO1228307 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Lower | View on Amazon |
| TECHPRO Fits: all 2025 Prius engines | TO1228308 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lower | View on Amazon |
| TECHPRO Fits: all 2025 Prius engines | TO1228309 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Right Lower | View on Amazon |
This table covers the Engine covers.
TECHPRO supplies the 3 Engine Cover parts for the 2025 Toyota Prius. All of them fit every engine offered in the 2025 Prius.
Part numbers include TECHPRO TO1228307, TECHPRO TO1228308 and TECHPRO TO1228309.
Oil
Summary: Notes list SAE 0W-16. Confirm the engine and the weight on the filler cap before you buy. Replacement brands in this table include LIQUI MOLY, VALVOLINE and IDEMITSU.
Full Synthetic
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LIQUI MOLY Popular Fits: 2.0L L4 ELECTRIC/GAS | 20328 | 🇺🇸 US 🇨🇦 CA | Special Tec AA 0W-165 Liter | View on Amazon |
| MOBIL Popular Fits: 2.0L L4 ELECTRIC/GAS | 124321 | 🇺🇸 US 🇨🇦 CA | 0W-16Mobil 1 Advanced Fuel Economy | View on Amazon |
| VALVOLINE Popular Fits: 2.0L L4 ELECTRIC/GAS | 878399 | 🇺🇸 US 🇨🇦 CA | Advanced Protection Full Synthetic SAE 0W-16Easy Pour 5 Quart | View on Amazon |
| IDEMITSU Fits: 2.0L L4 ELECTRIC/GAS | 30016050750 | 🇺🇸 US | IFG3 0W-16 SQ/GF-7B1 Quart | View on Amazon |
| IDEMITSU Fits: 2.0L L4 ELECTRIC/GAS | 30016050953 | 🇺🇸 US | IFG3 0W-16 SQ/GF-7B5 Quart | View on Amazon |
| LIQUI MOLY Fits: 2.0L L4 ELECTRIC/GAS | 20324 | 🇺🇸 US 🇨🇦 CA | Special Tec AA 0W-161 Liter | View on Amazon |
| LIQUI MOLY Fits: 2.0L L4 ELECTRIC/GAS | 22251 | 🇺🇸 US 🇨🇦 CA | Molygen New Generation 0W-161 Liter | View on Amazon |
| LUCAS OIL Fits: 2.0L L4 ELECTRIC/GAS | 11181 | 🇺🇸 US 🇨🇦 CA | FULL SYNTHETIC MOTOR OIL SAE 0W-161 Quart | View on Amazon |
| LUCAS OIL Fits: 2.0L L4 ELECTRIC/GAS | 18056 | 🇺🇸 US 🇨🇦 CA | Full Synthetic Motor Oil SAE 0W-166 Gallon | View on Amazon |
| VALVOLINE Fits: 2.0L L4 ELECTRIC/GAS | 878400 | 🇺🇸 US 🇨🇦 CA | Advanced Protection Full Synthetic SAE 0W-16Easy Pour 1 Quart | View on Amazon |
| VALVOLINE Fits: 2.0L L4 ELECTRIC/GAS | 886758 | 🇺🇸 US 🇨🇦 CA | Advanced Protection Full Synthetic SAE 0W-165 Gallon Bay Box | View on Amazon |
High Mileage (>75,000 Miles)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| IDEMITSU Fits: 2.0L L4 ELECTRIC/GAS | 30015121750 | 🇺🇸 US | IFG5 0W-16 SP/GF-6B1 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.
12 Oil parts for the 2025 Toyota Prius come from 5 brands — LIQUI MOLY, VALVOLINE, IDEMITSU and 2 other brands. The "Popular" part is LIQUI MOLY 20328.
The Full Synthetic section lists 11 options from LIQUI MOLY, VALVOLINE, IDEMITSU and 2 other brands — full-synthetic oils. LIQUI MOLY 20328 is listed in this group.
In the High Mileage (>75,000 Miles) grade, IDEMITSU supplies 1 part: oils grouped for high-mileage engines. A representative part number is IDEMITSU 30015121750.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2025 Prius engines | 090038 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | StandardM12-1.25 | View on Amazon |
| DORMAN Fits: all 2025 Prius engines | 090049 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pilot PointM12-1.25 | View on Amazon |
| REIN Fits: 2.0L L4 ELECTRIC/GAS | HWU0112 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the drain plugs in the oil pan.
3 Oil Drain Plug parts for the 2025 Toyota Prius come from 2 brands — DORMAN and REIN. 2 parts fit every engine; the other 1 is engine-specific.
This group includes DORMAN 090038, DORMAN 090049 and REIN HWU0112.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT Fits: 2.0L L4 ELECTRIC/GAS | OC2312 | 🇺🇸 US 🇨🇦 CA | PlasticScrewithoutn | View on Amazon |
| GATES Fits: 2.0L L4 ELECTRIC/GAS | 31285 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MOTORAD Fits: 2.0L L4 ELECTRIC/GAS | MO155 | 🇺🇸 US 🇨🇦 CA | Material: Plastic, Rubber | View on Amazon |
This table covers the caps on the oil filler neck.
3 Oil Filler Cap parts for the 2025 Toyota Prius come from 3 brands — CALORSTAT, GATES and MOTORAD.
Listed part numbers: CALORSTAT OC2312, GATES 31285 and MOTORAD MO155.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: 2.0L L4 ELECTRIC/GAS | 72229WS | 🇺🇸 US 🇨🇦 CA | Workshop Oil Filter | View on Amazon |
| FRAM Fits: 2.0L L4 ELECTRIC/GAS | FE4967 | 🇺🇸 US 🇨🇦 CA | Spin-OnTough Guard or Synthetic Endurance | View on Amazon |
| FVP Fits: 2.0L L4 ELECTRIC/GAS | R1394 | 🇺🇸 US 🇨🇦 CA | Media Material: CelluloseSpin-On Filter | View on Amazon |
| PRO-TEC Fits: 2.0L L4 ELECTRIC/GAS | PXL51394 | 🇺🇸 US 🇨🇦 CA | Media Material: CelluloseSpin-On Filter | View on Amazon |
| VARIOUS MFR Fits: 2.0L L4 ELECTRIC/GAS | PG4476 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
| VARIOUS MFR Fits: 2.0L L4 ELECTRIC/GAS | PO4476TY2 | 🇺🇸 US 🇨🇦 CA | OE StyleSpin-On | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: all 2025 Prius engines | M1103A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Performance | View on Amazon |
| WIX Popular Fits: 2.0L L4 ELECTRIC/GAS | 51394XP | 🇺🇸 US 🇨🇦 CA | XP Extreme DutyBest For Synthetic Motor Oils | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 2.0L L4 ELECTRIC/GAS | PF1233 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentSpin-On | View on Amazon |
| WIX Popular Fits: 2.0L L4 ELECTRIC/GAS | 51394 | 🇺🇸 US 🇨🇦 CA | Media Material: CelluloseSpin-On Filter | View on Amazon |
| BECK/ARNLEY Fits: all 2025 Prius engines | 0418066 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| BOSCH Fits: 2.0L L4 ELECTRIC/GAS | 3311 | 🇺🇸 US 🇨🇦 CA | Premium Oil FilterHeight: 3.149606 In | View on Amazon |
| HASTINGS / BALDWIN Fits: 2.0L L4 ELECTRIC/GAS | LF410 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HENGST Fits: 2.0L L4 ELECTRIC/GAS | H97W07 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
| MAHLE / CLEVITE Fits: 2.0L L4 ELECTRIC/GAS | OC1666 | 🇺🇸 US 🇨🇦 CA | Spin-On | View on Amazon |
| MANN Fits: 2.0L L4 ELECTRIC/GAS | W683 | 🇺🇸 US 🇨🇦 CA | Anti-Drain Back Valve: YESBypass Relief Valve Setting: 13 PSI | View on Amazon |
| VARIOUS MFR Fits: 2.0L L4 ELECTRIC/GAS | PG4476EX | 🇺🇸 US 🇨🇦 CA | Extended LifeSpin-On | 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.
17 Oil Filter parts for the 2025 Toyota Prius come from 13 brands — VARIOUS MFR, BOSCH, WIX and 10 other brands. The "Popular" part is MOBIL M1103A. 2 parts fit every engine; the other 15 are engine-specific.
The Economy section lists 6 options from VARIOUS MFR, BOSCH, FRAM and 2 other brands — the catalog's value-priced group. BOSCH 72229WS is listed in this group.
The High Performance / Heavy Duty section lists 2 options from MOBIL and WIX — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1103A is listed in this group.
In the Standard Replacement grade, ACDELCO, WIX, BECK/ARNLEY and 6 other brands supply 9 parts: built to original-equipment specification. A representative part number is ACDELCO PF1233.
Oil Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Fits: 1.8L L4 ELECTRIC/GAS | TOP30A | 🇲🇽 MX | View on Amazon | |
| SPECTRA PREMIUM Fits: 2.0L L4 ELECTRIC/GAS | TOP44A | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the oil pans that hold the engine's oil sump.
SPECTRA PREMIUM supplies both parts for the 2025 Toyota Prius.
Part numbers include SPECTRA PREMIUM TOP30A and SPECTRA PREMIUM TOP44A.
Oil Pump Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | 1086 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the chains that drive the oil pump.
One part is listed for the 2025 Toyota Prius — MELLING 1086.
Oil Pump Chain Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | BT7064 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PREFERRED COMPONENTS INC Fits: 2.0L L4 ELECTRIC/GAS | T66361 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Pump 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.
2 Oil Pump Chain Tensioner parts for the 2025 Toyota Prius come from 2 brands — MELLING and PREFERRED COMPONENTS INC.
Listed part numbers: MELLING BT7064 and PREFERRED COMPONENTS INC T66361.
Oil Pump Control Valve / Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 2.0L L4 ELECTRIC/GAS | VVS398 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Pump Control Valve solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
One part is listed for the 2025 Toyota Prius — GATES VVS398.
Oil Pump Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | S1325 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PREFERRED COMPONENTS INC Fits: 2.0L L4 ELECTRIC/GAS | G57020 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Pump sprockets.
2 Oil Pump Sprocket parts are listed for the 2025 Toyota Prius, from MELLING and PREFERRED COMPONENTS INC.
This group includes MELLING S1325 and PREFERRED COMPONENTS INC G57020.
Timing Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | 1085 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the timing chains that keep the cams in time with the crank.
One part is listed for the 2025 Toyota Prius — MELLING 1085.
Timing Chain & Component Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | 31085SX | 🇺🇸 US 🇨🇦 CA | 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 31085SX.
Timing Chain Guide / Damper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | BG7050 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | BT7065 | 🇺🇸 US 🇨🇦 CA | Tensioner Arm | View on Amazon |
This table covers the guides and dampers that keep the timing chain on its path.
MELLING supplies both parts for the 2025 Toyota Prius.
Part numbers include MELLING BG7050 and MELLING BT7065.
Timing Chain Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | BT7062 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PREFERRED COMPONENTS INC Fits: 2.0L L4 ELECTRIC/GAS | T66360 | 🇺🇸 US 🇨🇦 CA | 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.
2 Timing Chain Tensioner parts for the 2025 Toyota Prius come from 2 brands — MELLING and PREFERRED COMPONENTS INC.
Part numbers include MELLING BT7062 and PREFERRED COMPONENTS INC T66360.
Valve Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| QUALCAST Fits: 2.0L L4 ELECTRIC/GAS | 325507 | 🇺🇸 US 🇨🇦 CA | IntakeConical OEM # 90501A0141 | View on Amazon |
| QUALCAST Fits: 2.0L L4 ELECTRIC/GAS | 325508 | 🇺🇸 US 🇨🇦 CA | ExhaustConical OEM # 90501A0139 | View on Amazon |
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.
QUALCAST supplies both parts for the 2025 Toyota Prius.
Part numbers include QUALCAST 325507 and QUALCAST 325508.
Valve Spring Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | VSR726 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Valve Spring retainers.
One part is listed for the 2025 Toyota Prius — MELLING VSR726.
Valve Spring Retainer Keeper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 2.0L L4 ELECTRIC/GAS | VL1100 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the keepers that lock each valve-spring retainer to the stem.
One part is listed for the 2025 Toyota Prius — MELLING VL1100.
Buying Engine Parts for a 2025 Toyota Prius
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.
- Match the engine first. Some engine parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- 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 Filter and Oil .
Frequently Asked Questions
How many engine parts fit the 2025 Toyota Prius?
Our catalog currently lists 56 engine parts for the 2025 Toyota Prius across 17 subcategories and 27 brands, covering both the 1.8L L4 ELECTRIC/GAS and the 2.0L L4 ELECTRIC/GAS. Each part is matched to the engine(s) it fits.
Do engine parts differ between 2025 Toyota Prius engines?
Some do. 7 parts fit every engine; the other 49 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 2025 Toyota Prius?
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 2025 Toyota Prius?
Oil rows on this page include SAE 0W-16. 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 2025 Toyota Prius 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 2025 Toyota Prius?
First match the engine — each row shows which engine(s) the part fits. 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 2025 Toyota Prius
Engine Parts for Other Toyota Prius Years
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