35
verified 2003 toyota engines
2003 Used Toyota Engines For Sale
35 verified 2003 Toyota engines in stock — Camry (2.4L 2AZ-FE, 3.0L 1MZ-FE V6), Corolla & Matrix (1.8L 1ZZ-FE / 2ZZ-GE), Highlander, Sienna & Avalon (3.0L V6), Tacoma & Tundra (2.4L/2.7L/3.4L 5VZ-FE), and the 4.7L 2UZ-FE V8 in 4Runner, Sequoia & Land Cruiser. VIN-matched to your vehicle, compression-tested by ASE-certified technicians, photographed before shipment, backed by up to a 3-year warranty plus 30-day money-back. Free freight nationwide.
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Compression-Tested & Verified
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Free Nationwide Shipping
Browse 2003 Toyota Engines by Model
Match your 2003 Toyota engine by vehicle. Use the cards below to identify the right body style and engine code — every unit is then VIN-matched at the order step. Not sure which code fits? Text us your VIN and a specialist confirms the match.
2003 Camry
2.4L 2AZ-FE four (VIN E, Federal & California) and 3.0L 1MZ-FE V6 (VIN F). Note the mid-year 3.0L split — thru 12/02 vs from 1/03, with and without VVT-i.
2003 Corolla
1.8L 1ZZ-FE with Variable Valve Timing (VIN R). Toyota's high-mileage four-cylinder workhorse, compression-tested and warrantied.
2003 Matrix
1.8L 1ZZ-FE (VIN R) in Base/XR, FWD and AWD, plus the high-revving 2ZZ-GE (VIN Y) in the XRS. Confirm trim and drivetrain before ordering.
2003 Celica
1.8L 1ZZ-FE (VIN R) in the GT (AT or MT) and the 2ZZ-GE (VIN Y) in the GTS. Two distinct engines — match the trim.
2003 Solara
2.4L 2AZ-FE four (VIN E) and 3.0L 1MZ-FE V6 (VIN F). The Camry-based coupe — same engine families as the sedan.
2003 Avalon
3.0L 1MZ-FE V6 (VIN F). Toyota's full-size sedan running the legendary 1MZ V6, tested and ready to ship.
2003 Highlander
2.4L 2AZ-FE four (VIN D) and 3.0L 1MZ-FE V6 (VIN F) in both FWD and AWD. Match drivetrain — mounts and accessories differ.
2003 RAV4
2.0L 1AZ-FE four (VIN H). The compact crossover's reliable four-cylinder, compression-tested by ASE-certified techs.
2003 Sienna
3.0L 1MZ-FE V6 (VIN F). The minivan's proven V6 — bulletproof and in steady demand.
2003 Tacoma
2.4L 2RZ-FE (VIN L), 2.7L 3RZ-FE (VIN M) fours, and 3.4L 5VZ-FE V6 (VIN N) in 4x4, 4x2 and PreRunner. Confirm drivetrain and PreRunner status.
2003 Tundra
3.4L 5VZ-FE V6 (VIN N) and 4.7L 2UZ-FE V8 (VIN T). Toyota's full-size truck — choose six or eight cylinder.
2003 4Runner
4.0L 1GR-FE V6 (VIN U) and 4.7L 2UZ-FE V8 (VIN T) — the 4th-gen 4Runner's two engine options.
2003 Sequoia
4.7L 2UZ-FE V8 (VIN T). The full-size SUV's iron-block V8, tested and warrantied.
2003 Land Cruiser
4.7L 2UZ-FE V8 (VIN T, 2UZFE, 8 cylinder). Toyota's flagship off-roader — the proven 2UZ V8.
2003 Echo
1.5L 1NZ-FE four (VIN T). Toyota's fuel-efficient subcompact four, parts-rich and easy to install.
2003 MR2 Spyder
1.8L 1ZZ-FE (VIN R). The mid-engine roadster's lightweight four-cylinder, compression-tested and verified.
Why Buy a 2003 Toyota Engine from Auto Power Source
Every 2003 Toyota engine in our inventory is pulled from a low-mileage donor vehicle, cataloged by VIN, and held in our climate-controlled warehouse pending sale. The 2003 lineup spans the 1ZZ-FE and 2ZZ-GE 1.8L fours, the 2AZ-FE 2.4L and 1MZ-FE 3.0L V6 in Camry/Solara/Avalon/Highlander/Sienna, the 5VZ-FE 3.4L V6 and 1GR-FE 4.0L V6 in the trucks, and the 4.7L 2UZ-FE V8 in 4Runner, Sequoia and Land Cruiser. Each unit goes through our six-step inspection — VIN-matching, ASE testing, noise & smoke verification, full visual inspection, multi-angle photography, and palletized shipping.
Our ASE-certified technicians compression-test every cylinder and run a leak-down evaluation before any 2003 Toyota engine is cleared for sale — the Camry 3.0L especially needs care because the mid-year production change (thru 12/02 vs from 1/03, VVT-i vs non-VVT-i) makes some 1MZ units non-interchangeable. You pay a fraction of dealer-new pricing for identical Toyota engineering, ship free on a heavy-duty pallet anywhere in the continental U.S., and get up to a 3-year warranty plus 30-day money-back. Not sure which 2003 variant fits? Text your VIN and we will confirm.
📱 Fastest way to match: text us your VIN, get options in minutes.Text Your VIN →
Your 2003 Toyota Engine Options: Compared
Most 2003 Toyota owners face four real choices when their engine fails:
← Swipe sideways to see all columns →
| Option |
Cost |
Reliability |
Warranty |
Fitment Match |
| Used OEM (this collection) |
$$$ Best Value |
High |
Up to 3 years |
VIN-matched |
| New OEM (dealer) |
$$$$$ 2-4× more |
High |
Manufacturer |
Exact |
| Aftermarket / Reman |
$$$$ |
Varies |
6-12 mo |
May adapt |
| Junkyard |
$ Cheapest |
Unknown |
None |
DIY |
Tested used OEM hits the sweet spot — same Toyota engineering as new, fraction of the cost.
2003 Toyota Engine Buying Guide
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Confirm the 5th-digit VIN engine code. 2003 Toyota identifies the engine by the 5th VIN digit — e.g. VIN F = 1MZ-FE 3.0L V6, VIN E = 2AZ-FE 2.4L, VIN N = 5VZ-FE 3.4L V6, VIN T = 2UZ-FE 4.7L V8, VIN R = 1ZZ-FE 1.8L. Same displacement can be a different engine.
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Watch the Camry 3.0L production split. The 1MZ-FE V6 changed mid-year — units built thru 12/02 differ from those from 1/03, and VVT-i vs non-VVT-i are not interchangeable. Match the build date.
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Distinguish 1ZZ-FE from 2ZZ-GE in Celica and Matrix. The GT/Base/XR 1.8L (1ZZ-FE, VIN R) and the high-revving GTS/XRS 1.8L (2ZZ-GE, VIN Y) are completely different engines despite identical displacement.
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Match drivetrain on trucks and crossovers. 2003 Tacoma ships 4x4, 4x2 and PreRunner; Matrix and Highlander come FWD and AWD. Mounts, accessories and oil pans differ.
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Always run the donor VIN if available. We provide it on request for any engine in our inventory to verify mileage and history.
Our ASE-certified technicians verify every one of these points against your VIN before any engine ships.
Frequently Asked Questions
What is the warranty on a 2003 Toyota engine?
Up to 3 years, depending on the specific unit. The exact warranty term is listed on each product page.
What does compression-tested mean?
ASE-certified technicians compression-test every cylinder and run a leak-down evaluation before the engine is cleared for sale.
How long until delivery?
Prep and ship time is 3-5 business days. Transit time is 2-3 business days via freight carrier after dispatch.
Can I see photos before I buy?
Yes. Multi-angle photos of the actual unit are sent before payment.
Do I need my VIN?
Strongly recommended. 2003 Toyota engines vary by trim, drivetrain, and engine code — the VIN pins down the exact unit.
What if I do not approve the photos?
Every dollar back — no restocking fees, no return freight charges.
Why is this cheaper than the dealer?
These are used OEM engines from low-mileage donor vehicles — identical Toyota engineering at a fraction of dealer-new pricing.
When can I reach customer service?
24 hours a day, Monday through Saturday, by phone or text.
46,000+
engines + transmissions shipped
0%
fitment-related returns
All 50
states covered, free freight
Excellent
Customer Reviews
rated on Trustpilot
Our 6-Step Inspection & Shipping Process
Every 2003 Toyota engine we ship has been through these six steps:
1. VIN-MatchingWe match the donor VIN to your VIN to confirm engine code, emissions calibration, and drivetrain fit.
2. Tested & VerifiedASE-certified technicians compression-test every cylinder and run a leak-down evaluation on each engine.
3. Noise & Smoke VerificationUnits are run to verify normal mechanical sound and clean operation — catches wear static tests miss.
4. Visual InspectionEvery accessible component is inspected: manifolds, valve covers, accessories, sensor harnesses.
5. Photograph & CatalogMulti-angle photos sent to you BEFORE we ship, for your approval.
6. Palletize & ShipStrapped on a heavy-duty wooden pallet, shipped via freight at no charge.
What Our Customers Say
Rated Excellent by our customers on Trustpilot.
★★★★★
Transaction was perfect
"Found me the right engine at a great price. Got it in 2 days and installed the car the next day. Runs absolutely beautiful."
— Kevin Graham, 2026-04-29
★★★★★
Repeat customer
"AutoPowerSource is a great company. I've used them several times for used motors. Low mileage when other companies gave up."
— Curtis Haines, 2025-12-23
★★★★★
Highly recommend
"Mike reached out first thing in the morning regarding my inquiry for a used engine. Very informative and helpful."
— Beatrice, 2026-03-31
★★★★★
Great experience
"Daisy kept me in the loop every step. My original engine was damaged before shipping; she found a different one quickly."
— Bryan Perkins, 2026-03-25
Our Photos-Before-Shipment Guarantee
Before any 2003 Toyota engine leaves our warehouse, we send you multi-angle photographs. You approve. If you do not approve, you get every dollar back — no questions, no restocking fees, no return freight charges. On top of 30-day money-back and up to a 3-year warranty.
✉ Email Us at info@autopowersource.com
