2018 Mazda 3 transmission price snapshot
- Low
- $116
- Average
- $452
- High
- $1,594
Year-specific price guide
Used 2018 Mazda 3 Transmission prices
Year-specific used transmission pricing for the 2018 Mazda 3, built from real salvage yard and junkyard listings with condition grade and fitment detail.
SKWritten bySaurabh Kumar · Co-Founder & CTO
SK
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
ASReviewed byAmbika Sharma · Co-Founder & COO
Last updatedAug 2, 2026AS
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Part overview
About the 2018 Mazda 3 transmission
A used 2018 Mazda 3 transmission costs between $116 and $1,594, with a median of $401 from 166 salvage yard listings.
What the transmission does, common failure signs, and prices across all vehicles: used transmission price guide →
Also known asGearboxTransaxle
Price summary
A used 2018 Mazda 3 transmission costs $116 to $1,594, with a median asking price of $401. Based on 166 priced salvage yard listings across the US, compatible across 2015–2018 (4 model years), updated Aug 2, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$397
Grade B (good)$401
Grade C (fair)$450
USD
Condition comparison
Price by part grade
Grade AClean / low wear$200–$1,594129 listings
Grade BStandard used$187–$60021 listings
Grade CVisible wear$450–$8503 listings
Grade XUngraded$116–$72013 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $200–$1,594 | 129 | |
| Grade BStandard used | $187–$600 | 21 | |
| Grade CVisible wear | $450–$850 | 3 | |
| Grade XUngraded | $116–$720 | 13 |
Median by grade
Grade price comparison
Grade A$397
Grade B$401
Grade C$450
Ungraded$600
Median asking price by seller-reported condition grade · $116–$1,594 overall range
Replacement cost
What is the 2018 Mazda 3 transmission replacement cost?
- Used part
- $401
- 2018 Mazda 3 median asking price
- Labor
- $570–$1,800
- 6–12 hours at $95–$150/hr
- Estimated total
- $970–$2,200
- median used part + labor
Labor is a typical independent-shop range for transmission replacement, not a quote for your vehicle; it does not include transmission fluid and filter, and a torque converter check on automatics. The part price is the live median from the salvage-yard listings on this page. Full transmission replacement cost breakdown
Fitment matters
Price by trim & variant
Year-specific context
How does the 2018 Mazda 3 compare?
The 2018 guide is based on 200 observed listings, including 166 with posted prices. Its $401 median is 28% below the Mazda 3 guide's $560 median.
Among the 11 model years with current price data, 2018 ranks #4 from lowest to highest median.
Interchange data shows this part is also listed under model years 2015, 2016, 2017. Shopping across all 4 compatible years may surface better prices or condition grades.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Compare model years
What does a Mazda 3 transmission cost in other years?
2025100 listings$1,825$994 – $2,740202496 listings$1,683$700 – $2,6302023163 listings$1,533$500 – $2,9472022293 listings$663$142 – $1,9972021300 listings$584$175 – $2,0802020243 listings$510$128 – $1,7352019222 listings$580$200 – $1,8942017192 listingsCompatible$362$150 – $1,5942016200 listingsCompatible$300$130 – $1,7172015200 listingsCompatible$240$150 – $1,170
Keep browsing this vehicle
What other Mazda 3 parts are priced?
01wide ±106%
AC Compressor
$162median
$42$387
02wide ±158%
ABS Module
$138median
$34$470
03wide ±199%
Air Bag
$151median
$35$637
04wide ±181%
Alternator
$85median
$25$332
05wide ±206%
Axle Shaft
$96median
$28$424
06wide ±201%
Blower Motor
$76median
$25$331
07wide ±277%
Brake Caliper
$75median
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08wide ±97%
Rear Bumper Assembly
$455median
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09wide ±128%
Front Bumper
$259median
$60$724
10wide ±100%
Rear Bumper
$250median
$70$570
11wide ±284%
Car Radio
$112median
$25$662
12wide ±154%
Center Console
$106median
$40$366
13wide ±215%
AC Condenser
$143median
$45$660
14wide ±155%
Control Arm
$100median
$34$343
15
Differential
Price data updating
16wide ±64%
Door Assembly
$750median
$315$1,275
17wide ±107%
Drive Shaft
$225median
$76$559
18wide ±207%
Engine
$1,072median
$204$4,650
19wide ±218%
Engine Computer
$101median
$25$465
20wide ±190%
Exhaust Manifold
$325median
$65$1,300
21wide ±110%
Fender
$198median
$65$500
22wide ±169%
Fog Light
$83median
$25$305
23wide ±83%
Front Seat
$143median
$71$307
24wide ±157%
Fuel Pump
$114median
$25$383
25wide ±132%
Fuel Tank
$150median
$50$447
26wide ±235%
Grille
$184median
$29$895
27wide ±115%
Headlight Assembly
$950median
$147$2,325
28
Heater Core
Price data updating
29wide ±110%
Hood
$405median
$140$1,027
30spread ±53%
Ignition Switch
$78median
$55$137
31wide ±84%
Instrument Cluster
$110median
$65$250
32wide ±98%
Intake Manifold
$171median
$60$395
33wide ±61%
Master Cylinder
$76median
$55$147
34wide ±179%
Side Mirror
$157median
$30$593
35wide ±167%
Power Steering Pump
$124median
$30$445
36wide ±78%
Quarter Panel
$400median
$225$850
37wide ±210%
Radiator
$167median
$50$750
38wide ±131%
Rear View Mirror
$90median
$25$260
39wide ±254%
Starter
$71median
$25$385
40wide ±138%
Steering Column
$144median
$40$437
41wide ±289%
Steering Rack
$148median
$40$895
42wide ±112%
Steering Wheel
$175median
$48$440
43wide ±162%
Strut
$100median
$30$354
44wide ±190%
Sunroof
$216median
$61$880
45wide ±202%
Tail Light
$195median
$34$821
46wide ±147%
Tailgate
$500median
$130$1,600
47wide ±164%
Throttle Body
$80median
$29$292
48spread ±44%
Torque Converter
$372median
$125$450
49wide ±123%
Transfer Case
$327median
$75$881
50wide ±190%
Transmission Control Module
$100median
$25$405
51wide ±72%
Turbocharger
$393median
$200$766
52wide ±132%
Water Pump
$100median
$25$289
53wide ±225%
Wheels
$178median
$30$830
54wide ±116%
Window Regulator
$110median
$25$280
Common questions
2018 Mazda 3 transmission FAQ
How much is a used 2018 Mazda 3 transmission?
Based on 166 priced salvage-yard listings, a used 2018 Mazda 3 transmission lists between $116 and $1,594, with a median asking price of $401.
How much does it cost to replace a 2018 Mazda 3 transmission?
Using a used part, a 2018 Mazda 3 transmission replacement typically runs $970–$2,200 all-in: the median used transmission for this year lists at $401, and independent-shop labor for transmission replacement typically takes 6–12 hours at $95–$150/hr ($570–$1,800). The labor figure does not include transmission fluid and filter, and a torque converter check on automatics. Labor is a national part-level estimate, not a quote for your vehicle.
Will a 2018 Mazda 3 transmission fit another year?
Based on salvage-yard interchange data, listings for the 2018 Mazda 3 transmission also appear under model years 2015, 2016, 2017, suggesting these years share compatible fitments. Always verify the exact part number, drivetrain, trim, and your VIN before buying — interchange compatibility can vary by variant.
How much is a 2018 Mazda 3 gearbox?
A gearbox is another name for a transmission. The prices on this page cover the 2018 Mazda 3 transmission — median $401, from 166 listings.