1.8L Hybrid Engine Complete Assembly for 2023-2025 Toyota Corolla
Product Notes Read before buying
This is a used engine assembly for vehicles with the 1.8L Hybrid engine (2ZRFXE engine code). This part does not include the electrical or induction systems; you should compare and switch those components from your original part as necessary.
Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.
Vehicle Fitment Guide
This part fits the following vehicles:
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Hybrid LE | Sedan | 2023 - 2025 | L4 1.8L FULL HYBRID EV-GAS (FHEV) | AWD/FWD | Automatic CVT |
| Hybrid SE | Sedan | 2023 - 2025 | L4 1.8L FULL HYBRID EV-GAS (FHEV) | AWD/FWD | Automatic CVT |
| Hybrid SE Infrared | Sedan | 2023 | L4 1.8L FULL HYBRID EV-GAS (FHEV) | AWD/FWD | Automatic CVT |
| Hybrid XLE | Sedan | 2023 - 2025 | L4 1.8L FULL HYBRID EV-GAS (FHEV) | FWD | Automatic CVT |
| Hybrid XSE | Sedan | 2023 - 2025 | L4 1.8L FULL HYBRID EV-GAS (FHEV) | AWD | Automatic CVT |
| Hybrid Nightshade | Sedan | 2024 | L4 1.8L FULL HYBRID EV-GAS (FHEV) | AWD/FWD | Automatic CVT |
Know This Engine Before You Buy
The research behind our purchase interview — recalls, bulletins and real install economics for this engine family:
A quick look at your own vehicle makes sure the right engine shows up:
- Verify the 5th digit of the VIN is C or D.
- Verify the engine code stamped on the block is 2ZR-FXE.
What the install really takes — plan and budget with confidence:
Special tools this job needs:
- High-Voltage Insulated Gloves (Class 0, rated for 1000V AC / 1500V DC)
- Toyota Techstream (GTS+) Diagnostic Scan Tool
- Spill-Free Coolant Funnel Kit
- Cylinder head bolt wrench (SST 09205-16011)
Budget for these consumables at install:
- Engine Oil: 4.4 Quarts (4.2 Liters) 0W-16 Full Synthetic (some 2024+ specify 0W-8)
- Toyota Super Long Life Coolant (SLLC) (Pre-mixed Pink) for both engine and inverter loops
- New Iridium Spark Plugs (NGK DILKAR6Q8 or Denso FC16HR-C9, gapped 0.8mm to 1.1mm)
- New Intake Manifold Gasket
- New Exhaust Manifold Gasket
- New Throttle Body Gasket
- New Serpentine/Drive Belt
What your vehicle’s computers will need after the swap:
What’s involved: ECU Software Configuration, Crankshaft Position (CKP) Relearn, Immobilizer Re-marriage, and Hybrid System Calibration
Sources differ on programming requirements. Immobilizer re-marriage is required if the replacement ECU is used. Software configuration via Toyota GTS+ is required if the ECM is replaced or sensor values differ significantly (TSB T-SB-0015-25). CKP relearn is required if the block or CKP sensor is replaced.
Pro tips for a smooth first start-up — hand them to whoever does the install:
- High-Voltage Safety: Pull the high-voltage service plug (under rear seat/trunk) and wait 10 minutes before touching any orange cables or the inverter.
- Dual Cooling Loops: Both the engine and hybrid inverter cooling loops must be drained, refilled, and bled. Bleeding the inverter loop requires a scan tool to run the electric pump.
- Maintenance Mode Activation: To run the engine continuously for diagnostics or bleeding, you must activate Maintenance Mode using the specific accelerator/pedal sequence.
- Flywheel / Damper Bolt Torque: The hybrid damper has specific torque-to-yield bolts that must be replaced and torqued to exact specifications.
- Dowel Pins: Ensure both dowel pins are present and correctly seated when mating the engine to the transaxle to prevent misalignment.
- Ground Straps: Ensure all engine and transmission ground straps are clean and securely reconnected.
- EGR System Cleaning: Clean the EGR passages while the intake manifold is off to prevent future performance issues.
Easy to get right once you know them:
- Ordering for a Non-Hybrid Corolla (mistaking the 2ZR-FXE for the 2ZR-FE or 2ZR-FAE).
- Assuming all 2ZR-FXE engines are identical (trying to install this 2023+ engine into an older Prius or Lexus CT200h).
- Reusing the old electric water pump, which is a known wear item and can cause immediate engine failure if it fails.
- Improper coolant bleeding of the dual-loop system, leading to air pockets and rapid overheating.
- Ignoring the immobilizer re-sync requirement when swapping the ECU along with the engine.
Not issues with the units on this page — the manufacturer documented these for every engine of this family, wherever you buy one. Handy for your installer:
🔎 Recommended at install: Keep the cooling system pristine to prevent thermal cycling fatigue; monitor electric water pump operation.
🔎 Recommended at install: Replace the electric water pump during engine swap to prevent rapid overheating and head gasket failure.
🔎 Recommended at install: Inspect front exhaust pipe heat exchanger for internal coolant leaks mimicking head gasket failure.
🔎 Recommended at install: Resolved on post-2015 models via redesigned pistons and rings.
🔎 Recommended at install: Clean EGR passages and valve regularly as preventative maintenance.
Researched from factory recalls, TSBs and OEM service data (reference unit 300-10812-5532021). Unit-specific details — mileage, condition, warranty, freight — are covered in the checkout interview.
Policies, in plain English.
Shipping & Handling
- Ships by LTL freight on a pallet — a real freight truck, not a parcel van
- Your checkout freight quote covers delivery to your door (liftgate service included for residential addresses)
- The carrier calls ahead to schedule a delivery window — someone must be present to receive it
- Typically palletized and picked up within 2–3 business days; transit time depends on distance
120-Day Warranty
This part includes a 120-day warranty.
- If the part fails within the warranty window, we'll replace it or refund per the coverage terms
- Coverage is parts-only — installation labor is not included
- Warranty covers defects — not installation errors, misuse, or damage after installation
Your pre-purchase interview reviews these exact terms with you before anything is charged.
Returns (30 Days)
We accept returns of uninstalled parts within 30 days of delivery for this part.
- Defective parts: We will replace the part or issue a refund at our discretion
- Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
- Return shipping: This part ships by freight (LTL) — the part price is refundable per the terms above, but shipping costs are non-refundable and return freight follows the seller's return terms. Your pre-purchase interview walks through the exact numbers before you buy
- Parts must be returned in original packaging and unmodified condition
- Poorly packaged returns that arrive damaged will not be credited
Damaged in Shipping?
Freight damage is rare — and you're fully protected when you do two things at delivery:
- Inspect before you sign — you're allowed time to look the pallet over while the driver waits
- Write any damage on the delivery receipt before signing — that one line is what makes a freight claim succeed
- Severe damage? Refuse the delivery — it goes back at no cost to you and we make it right
- Photograph the pallet before unwrapping; report concealed damage within 24 hours of delivery
We handle the carrier claim — you just help document it. Your pre-purchase interview walks through this checklist too.
Order Cancellation
Cancel before shipment for a full refund. Once the pallet has been built, a preparation charge may apply — and once the freight carrier picks it up, shipping costs are non-refundable and standard return terms apply. Your pre-purchase interview shows the exact numbers before you pay.
Expert Guides
2023-2025 Toyota Corolla 1.8L Hybrid 2ZR-FXE: Problems, Identification, and Used Replacement
Identify the exact 2ZR-FXE variant for your 5th-generation hybrid, understand what causes failure, and learn when a used replacement engine is the smartest economic choice.
Read Full Guide →Related Trouble Codes (OBD-II)
4 matching guidesIf your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.
Miscellaneous Information
OEM Part Numbers:
Toyota: 1900037B70
Fits Years: 2023 2024 2025
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This unit ships with the selling yard's 120-day warranty. Longer plans can be requested during checkout.