Used Mazda Engines For Sale | Auto Power Source

1,032
verified Mazda engines
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Up to 3 yrs
extended warranty available
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shipment

Used Mazda Engines For Sale

1,032 verified used Mazda engines in stock across 1995–2024 — the SkyActiv-G 2.0L, 2.5L and 2.5T, the MZR 2.0L and 2.3L, the Renesis rotary and the BP roadster four, covering Mazda3, Mazda6, CX-5, CX-9, CX-30, MX-5 Miata, Tribute and RX-8. Every unit is VIN-matched to your vehicle, ASE-tested by certified technicians, photographed before shipment, and backed by a warranty (standard term by model year, extended coverage up to 3 years) plus 30-day money-back. Free freight nationwide.

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Warranty On Every Unit
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Photos Before Shipment
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ASE-Tested & Verified
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Free Nationwide Shipping
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30-Day Money-Back
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Browse Mazda Engines by Year

Our Mazda engine inventory covers every model year from 1995 through 2024. Year-specific pages are not yet live for Mazda — text us your VIN and we will match the exact engine code for your vehicle within minutes.

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Mazda Engines We Cover

Ten Mazda engine families, all in stock and ASE-tested. Mazda reuses displacements across very different engine codes, so check the code rather than the litre figure — text us your VIN and we will confirm it.

Used Mazda SkyActiv-G 2.0L I4 engine
SkyActiv-G 2.0L I4
Mazda3, CX-3, CX-30, MX-5 ND. High-compression direct injection — intake-valve carbon is the expected wear item past 70K miles, and we borescope before listing.
Used Mazda SkyActiv-G 2.5L I4 engine
SkyActiv-G 2.5L I4
Mazda6, CX-5, CX-9 base. The volume engine across the mid-size line — later years add cylinder deactivation, which changes the calibration.
Used Mazda SkyActiv-G 2.5T Turbo I4 engine
SkyActiv-G 2.5T Turbo I4
CX-9, CX-5 Turbo, Mazda6 Turbo. The torque-rich modern turbo four — not interchangeable with the naturally aspirated 2.5L despite the shared displacement.
Used Mazda 2.3L MZR DOHC engine
2.3L MZR DOHC
Mazda3, Mazda6, Tribute, RX-8 R3. The pre-SkyActiv workhorse — the MazdaSpeed turbo variant has different internals and is not a drop-in.
Used Mazda 2.0L MZR engine
2.0L MZR
Mazda3, Mazda5, Tribute. The compact-volume four before SkyActiv — shares architecture with the Ford Duratec 20, but mounting differs.
Used Mazda 1.6L Renesis rotary engine
1.6L Renesis Rotary
RX-8 (2003–2012). The twin-rotor Wankel — apex seal and compression condition are everything, so we run a rotor-face compression test, not a piston-engine test.
Used Mazda 1.8L BP DOHC Miata engine
1.8L BP DOHC
MX-5 Miata NA and NB (1990–2005). The roadster four — short-nose versus long-nose crank is the critical split on early NA units.
Used Mazda 2.0L MZR-CD turbodiesel engine
2.0L MZR-CD Turbodiesel
Mazda6 diesel, rare in the US. Primarily European specification — EGR and DPF condition drive the cost on these.
Used Mazda 3.0L Duratec V6 engine
3.0L Duratec V6
Tribute V6, Mazda6 V6. Shared with Ford from the Mazda-Ford era — brackets and intake differ between the two applications even where the block is common.
Used Mazda 3.7L Cyclone V6 engine
3.7L Cyclone V6
CX-9 (pre-2016). The big-displacement crossover engine, also Ford-shared — the last of the pre-SkyActiv CX-9 powertrains.
Mazda engine inventory row
More Mazda Engines
Plus 1.5L SkyActiv-G, 2.2L SkyActiv-D, 13B rotary variants and MazdaSpeed turbo units — send your VIN and we will confirm availability.
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Why Buy a Used Mazda Engine from Auto Power Source

Mazda's engine line covers more ground than its size suggests — the SkyActiv-G family powering the modern Mazda3 and CX-5, the MZR fours that came before it, the Renesis rotary in the RX-8, the BP four in two generations of Miata, and Ford-shared V6s in the Tribute and pre-2016 CX-9. Our 1,032 verified Mazda engines span all of it. Every unit has been pulled from a low-mileage donor vehicle, cataloged by VIN, and held in our climate-controlled warehouse.

Each unit went through our six-step inspection — VIN-matching, ASE testing, noise and smoke verification, full visual inspection, multi-angle photography, and palletized shipping. Our ASE-certified technicians do the testing; rejected units never reach the buyer. Mazda reuses displacements across genuinely different engine codes, and pairs specific engines with specific transmissions across model years, so VIN-matching is not optional here — the same litre figure can mean a naturally aspirated unit, a turbo unit, or a MazdaSpeed unit with different internals entirely.

You pay a fraction of dealer-new pricing for identical Mazda engineering, ship free on a heavy-duty pallet anywhere in the continental U.S., and get 30 days from delivery to return for any reason — no restocking fees. The warranty printed on the listing — with extended coverage up to 3 years available — covers you if anything goes wrong after install. Across 100K+ engines and transmissions in stock, we hold a 0% fitment-related return rate.

📱 Fastest way to match: text us your VIN, get options in minutes.Text Your VIN →

Your Mazda Engine Options: Compared

Most Mazda owners face four real choices when the engine fails:

← Swipe sideways to see all columns →
Option Cost Reliability Warranty Fitment Match
Used OEM (this collection) $$$ Best Value High — tested Included VIN-matched
New OEM (dealer) $$$$$ 2-4× more High Manufacturer Exact
Aftermarket / Reman $$$$ Varies 6-12 mo May adapt
Junkyard $ Cheapest Unknown None DIY

Tested used OEM hits the sweet spot — same engineering as new, fraction of the cost.

Mazda Engine Buying Guide

5 things to verify before buying a used Mazda engine:

  1. Match the engine code, not the displacement. Mazda runs several genuinely different engines at the same litre figure — a 2.5L can be naturally aspirated SkyActiv-G or the 2.5T turbo, and a 2.3L can be the MZR or the MazdaSpeed turbo variant with different internals. The 8th VIN digit identifies the exact code.
  2. Check transmission pairing before you order. Mazda pairs specific engines with specific transmissions across model years, and mixing across a generation boundary can require additional parts — flexplate, harness, or ECU. Tell us both the engine and gearbox you are running.
  3. On the 2.5T and MazdaSpeed units, ask about turbo and oil service history. Turbo condition and documented oil intervals matter more than raw mileage on these. We inspect the turbo and check for oil contamination specifically on boosted units.
  4. On the Renesis rotary, compression is the whole story. A rotary is tested rotor-face by rotor-face, not like a piston engine, and apex seal condition determines whether the unit is worth installing. Every RX-8 engine we list has a rotary-specific compression result on file — ask for it.
  5. Confirm the match with your own VIN before you order. Your VIN settles the engine code, drivetrain and build split in one step. Text it to +1-307-441-5554 and we will confirm in writing exactly which unit fits your vehicle before you pay.

Our ASE-certified technicians verify every one of these points against your VIN before any unit ships.

📞 Need help choosing the right Mazda engine code? Talk to our team live.Call 1-877-313-8995

Frequently Asked Questions

What is the warranty on a used Mazda engine?
Every Mazda engine ships with a warranty included — the standard term follows the model year (1 month for 1990, 3 months for 1991–2000, 6 months for 2001 and newer) and is printed on each product page. Extended coverage of up to 3 years is available at checkout.
What does ASE-tested mean?
ASE-certified technicians compression-test every cylinder and run leak-down evaluation on engines; transmissions are Shift-Tested through all gears under load. Plus noise & smoke verification, visual inspection, and multi-angle photography before shipment.
How long until delivery?
Prep and ship time is 3-5 business days. Transit time is 2-3 business days after dispatch via freight carrier — typically 5-8 business days from order to delivery.
Can I see photos before I buy?
Yes. Multi-angle photos of the actual unit are sent before payment. If you do not approve the photos, you get every dollar back — no restocking fees, no return freight charges.
Do I need my VIN?
Yes — essential on Mazda. The 8th VIN digit identifies the exact engine code, and the same displacement can hide different codes across model years and trims. Text your VIN to +1-307-441-5554 and we will confirm the exact unit.
How do I find my exact Mazda engine?
Every product is titled by its engine family and code, and the listing states the donor year. Text us your VIN and we will match the exact engine code for your vehicle within minutes.
Why cheaper than dealer new?
Used OEM from low-mileage donor vehicles. Same Mazda engineering as factory new at a fraction of the cost — dealers are typically 2-4x our pricing, and many older units are no longer available new at all.
When can I reach customer service?
Call 1-877-313-8995 or text +1-307-441-5554 during the business hours shown in the site footer, or email info@autopowersource.com any time.
🏆 Earn $500 with Our Rewards Program
Every Mazda engine you buy earns rewards. 10 orders (yours or referred) = $500 cash credit. Silver, Gold, and Platinum tiers with discounts, priority support, and private inventory access.
See How Rewards Work →
100K+
Engines+Transmissions In Stock
0%
fitment-related returns
All 50
states covered, free freight
36
brands covered

Our 6-Step Inspection & Shipping Process

Every Mazda engine we ship has been through these six steps:

1. VIN-Matching
We match the donor VIN to your VIN to confirm engine code, emissions calibration, and drivetrain fit.
2. Tested & Verified
ASE-certified technicians compression-test every cylinder and run leak-down evaluation on engines — rotary units get a rotor-face compression test instead.
3. Noise & Smoke Verification
Engines are run on the test stand to verify normal mechanical sound, clean exhaust, and no abnormal smoke — catches internal wear static tests miss.
4. Visual Inspection
Every accessible component is inspected: turbos, manifolds, valve covers, accessories, sensor harnesses.
5. Photograph & Catalog
Multi-angle photos sent to you BEFORE we ship for your approval.
6. Palletize & Ship
Strapped on a heavy-duty wooden pallet, shipped via freight at no charge.

Our Photos-Before-Shipment Guarantee

Before any engine leaves our warehouse, we send you multi-angle photographs of the actual unit. 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 the warranty included with every unit. Browse all 1,032 Mazda engines below.

✉ Email Us at info@autopowersource.com
No match? Text VIN →