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Automatic Transmission Assembly for 2020-2022 Mazda CX-30

Out of Stock
Pay-by-bank price
$ 728
or $751 paying by card
🏦 3% bank discount on your entire order — arranged at checkout

Product Notes Read before buying

Odometer 55,100 miles 🛡 120-day warranty included
✓ includes torque converter without cylinder deactivation
This is a used transmission for vehicles with the 2.5L naturally aspirated engine and 6-speed automatic transmission. This unit includes the torque converter and is designed for vehicles without cylinder deactivation.

This transmission fits All-Wheel Drive (AWD) models only. It is for vehicles with the 2.5L naturally aspirated (non-turbo) engine that does NOT have cylinder deactivation. Please confirm your vehicle's specifications before ordering.
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Vehicle Fitment Guide

This part fits the following vehicles:

Mazda 1 model(tapclick to expand)(tapclick to hide)
CX-30 2020-2022 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base SUV 2020 L4 2.5L AWD | Automatic
GS SUV 2020 - 2022 L4 2.5L AWD | Automatic
GT SUV 2020 - 2022 L4 2.5L AWD | Automatic
Preferred SUV 2020 L4 2.5L AWD | Automatic
Premium SUV 2020 L4 2.5L AWD | Automatic
Select SUV 2020 L4 2.5L AWD | Automatic
2.5 S SUV 2021 - 2022 L4 2.5L AWD | Automatic
2.5 S Carbon Edition SUV 2022 L4 2.5L AWD | Automatic
Applies to every configuration above: Hollander: MAZDA CX-30 20 (AT), 2.5L, AWD, w/o cylinder deactivation | MAZDA CX-30 21 (AT), 2.5L, AWD, naturally aspirated, w/o cylinder deactivation | MAZDA CX-30 22 (AT), 2.5L, naturally aspirated; drive_type: include AWD; engine_size: include 2.5L; aspiration: include Naturally Aspirated; engine_config: exclude Cylinder Deactivation; transmission: include Automatic [inferred]
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Know This Transmission Before You Buy

The research behind our purchase interview — recalls, bulletins and real install economics for this transmission family:

A quick look at your own vehicle makes sure the right transmission shows up:

  • Verify the 8th digit of the VIN is NOT 'M' (confirms no cylinder deactivation).
  • Physically confirm the vehicle is AWD (presence of rear differential and axle shafts).
  • Locate the barcode sticker on top of the transmission case under the airbox and verify the code reads 'ET6AX-EL'.
  • Check the transmission dipstick to confirm it is marked 'FZ'.
🔎 Where to look: Barcode sticker located on the top of the transmission case, directly beneath the engine's plastic air filter box and intake ducting.

What the install really takes — plan and budget with confidence:

6.0 to 9.0 hoursshop labor$800 - $1,600typical shop bill, on top of the partAdvanced / ExpertDIY difficulty

Special tools this job needs:

  • Engine support bar
  • Transmission jack
  • Subframe support/jack
  • Fluid line disconnect tool
  • Bi-directional scan tool (Mazda M-MDS or equivalent)
🔌 Wiring harness: Ensure harness matches non-cylinder deactivation AWD configuration. External wiring and sensors must be transferred from the original unit if damaged.

Budget for these consumables at install:

  • Mazda Genuine ATF FZ (Blue fluid) - approx. 8.0 to 9.0 quarts for full dry fill
  • New internal transmission filter
  • High-quality RTV sealant for the pan
  • Axle seals
  • Transfer case input seal
  • Torque converter seal
  • Professional-grade chemical cooler line flush

What your vehicle’s computers will need after the swap:

⚠️ Requiredprogramming / calibration⚠️ Yesdealer tool needed⚠️ YesECU/PCM re-marriage

What’s involved: TCM Configuration and Adaptive Relearn

sources differ: Arm 1 states a dealer-level bi-directional scan tool (Mazda M-MDS) is mandatory to write configuration data to the integrated TCM; Arm 2 states a manual sequence of ignition cycles and gear shifts can perform the relearn without a dealer tool. The safer position is 'yes' for dealer tool requirement to ensure proper configuration.

Pro tips for a smooth first start-up — hand them to whoever does the install:

  • Torque converter must be fully seated (three distinct clicks/drops) before bolting to the engine to prevent cracking the oil pump gear.
  • TCM configuration and adaptive relearn must be completed before test driving to avoid immediate friction plate damage.
  • The dipstick is short, black plastic, secured by a 10mm bolt, and hidden deep under the airbox. Fluid level must be checked at exactly 50°C (122°F) with the engine idling on level ground.
  • Transfer case splines must be clean, lightly greased, and perfectly aligned during mating to prevent output shaft damage.

Easy to get right once you know them:

  • Ordering a FWD transmission (ET6A-EL) for an AWD vehicle, which lacks transfer case mounting provisions.
  • Ordering a transmission from a vehicle with cylinder deactivation (EV6AX-EL) for a vehicle without it.
  • Using generic 'multi-vehicle' synthetic ATF instead of Mazda Genuine ATF FZ, leading to torque converter shudder and clutch failure.
  • Skipping the professional transmission cooler and line flush, which recirculates old metallic debris into the new unit.
  • Assuming all Mazda SkyActiv-Drive 6-speed transmissions (from Mazda 3, CX-5, etc.) are interchangeable.

Not issues with the units on this page — the manufacturer documented these for every transmission of this family, wherever you buy one. Handy for your installer:

severeTSB MC-10246127-0001 (Torque Converter Chirp & Fluid Contamination)2020-2024 (primarily models with cylinder deactivation, but relevant to the family)

🔎 Recommended at install: Replace torque converter and perform a complete system flush to prevent metallic debris from clogging valve body solenoids.

severeSolenoid & Valve Body Failures / Limp Mode2020-2022

🔎 Recommended at install: Replace pressure control solenoids or complete valve body assembly.

minorHarsh 1-2 Shift / Low-Speed Shudder / Gear Hunting2020-2022

🔎 Recommended at install: Perform TCM adaptive relearn procedure; check fluid level and quality.

Researched from factory recalls, TSBs and OEM service data (reference unit 400-11268-4830025). 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.

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120DAY
Yard Warranty

Backed By The Selling Yard

This unit ships with the selling yard's 120-day warranty. Longer plans can be requested during checkout.

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★★★★★ 4.9 1,451 verified reviews

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